DEVELOPMENT AGREEMENT FOR THE'

DOWNTOWN REDMOND LINK EXTENSION PROJECT CITY OF REDMOND, WASHINGTON

GA 0191-18

Contract .9177

This DEVELOPMENT AGREEMENT ("Agreement") is entered into by and between the CITY OF REDMOND, a Washington optional municipal code city ("City") and the CENTRAL PUGET SOUND REGIONAL TRANSIT AUTHORITY, a regional transit authority organized under the laws of the State of Washington ("Sound Transit").

RECITALS

A. The City is a non-charter optional municipal code city incorporated under the laws of the State of Washington, with authority to enact laws and enter into agreements to promote the health, safety, and welfare of its citizens and for other lawful purposes.

B. Sound Transit is a regional transit authority created pursuant to chapters 81.104 and 81.112 RCW with all powers necessary to implement a high-capacity transit system within its boundaries in King, Pierce, and Snohomish counties.

C. The City is responsible for administering land-use laws and development regulations that will apply to Sound Transit projects located within the City jurisdiction. The City is also responsible for ruat:_1aging streets and municipal u,tilities within its jurisdiction and for providing municipal services such as public safety.

D. The Sound Transit Regional Transit Long-Range Plan identifies the Downtown Redmond Link Extension Project (''Project") within the City's jurisdiction and was funded as part of the2016 voter"'approved regional transit system plan, Sound Transit 3 Plan ("ST3'').

E. The Project will add two new light rail stations beyond the Redmond Technology Station (curteiltly called Overlake Transit Center) with one station and 1,400 parking stalls at Southeast Redmond and the other in Downtown Redmond as shown on the attached Exhibit A.

F. This Agreement is authorized by RCW 36.70B.170 through .210. In addition, the City has adopted regulations governing developmeQ.t agreements, as set forth in Redmond Zoning Code (RZC) 21. 76.070(L). Those regulations allow a property owner to apply to the City to enter into a development agreement to address project development standards including design standards, mitigation measures, project phasing, review procedures, vesting, and other appropriate development requirements.

G. The Growth Management Act (RCW 36.70A) requires that the City plan for and encourage regional high-capacity transit facilities such as East Link (RCW 36.70A.020) and

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accommodate within the City such essential public facilities (RCW 36. 70A.200). The City has addressed this requirement by classifying light rail as a permitted use throughout the City pursuant to Ordinance 2584 dated April 5, 2011. The Parties agree that the requirements of RCW 36. 70A.200 regarding the siting of essential public facilities are applicable to the Project. Sound Transit, as the regional transit authority sponsoring the Project, has the primary authority to make siting and location decisions for the Project; however, the City may impose reasonable permit and mitigation conditions . • H. On September 27, 2018, the Sound Transit Board selected the aligrtment and station locations for construction of the expansion of the East Linlc Project from Overlake Transit Center to downtown Redmond as set forth in Sound Transit Resolution R2018-12, incorporated by reference herein.

l. Sound Transit is intending to deliver the Project as a design-build procurement ("Design­Build") and has been coordinating with the City in preparation for Project design and construction. In recognition of the multiple development permits and separate review processes, and the continuing potential for conflict, overlap, and duplication between such processes, the City and Sound Transit desire to consolidate permit and environmental review processes for the benefit of both parties and the public pursuant to the development agreement authority provided in RCW 36.70B.170 et seq. and RZC 21.76.070(L). In addition, the City recognizes the public benefits which will accrue to the City and cornmupity from development of the property for the Project.

J. Sound Transit has adopted real property acquisition and relocation procedures and guidelines that comply with the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970 (PL 91-646, 84 Stat. 1894), as amended by the Uniform Relocation Act Amendments of 1987 (PL 100-17, 101 Stat. 246-256), and as implemented by the United States Department of Transportation (49 CFR 24) (hereinafter, the "Federal Regulations"), all of which establish a urtiforrn policy for the expedient and consistent treatment of owners subjected to land-acquisition practices and provide for the fair and equitable treatment of persons displaced as a result of public works programs or projects of a loc.i.l public body. Pursuant to these policies and its statutory authority, Sound Transit has acq1Jired or will acquire SlJCh real property interests as are necessary to construct, mairttairt and operate the Project.

K. Sound Transit has ownership or control of the real property described in Exhibit B, attached hereto (the "Property"}.

L. Pursuant to RCW 36.70B.200 and RZC 21.76.060(P), the City held a properly-noticed public hearing, and the City Council finds that the proposed Project is consistent with the development agreement decision criteria contained in RZC 2L76.070(L), and that any deviations from development standards facilitate the design, construction, or operation of high-capacity transit facilities in Redmond. The City Council has authorized the Mayor to enter into this Agreement. .

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NOW, THEREFORE, for @din consideration of the mutual promises, benefits, and obligations set forth herein, the City and Sound Trans.it agree as follows regarding the Sound Transit Downtown Redmond Link Light Rail Project.

1. DEFINITIONS

1.1 Agreement. "Agreement" means this Development Agreement approved by appropriate action of the City and Sound Transit. ·

l .Z Administrative Modification. "Administrative Modificati~n'' shall mean the process described in Redmond Zoning Code (RZC) 21. 76.090, with deviations as described in this agreement.

1.3 Alteration of.Geologic J-!:az~d Area~. "Alteration of Geologic Hazard Areas" shall mean the process described in Redmond Zoning Code (RZC) 21.76.070, with deviations as described in this agreement

1.4 Approved Building Permit Plans. "Approved Building Permit Plans" meap,s prints showing in detail the proposed construction and specifications of the Project and further described in the building permits approved by the City.

1.5 Betterment. "Betterment" means any improvement to City infrastructure that has been requested or agreed to by the Parties that is not required to execute the construction of Sound Transit's Project. Sound Transit work on any City infrastructure that is part of Sound Transit's basic scope of work shall not cot:;1stitute Betterment

1.6 City. "City" means the City of Redmond or any successor or assignee following an assignment that is permitted under this Agreement.

1. 7 Design/Build Contractor. "Design/Build Contractor" means the entity or entities that will contract with Sound Transit to complete the design of the Project, to obtain all remaining permits for the Project, and to construct the Project, all based upon a: design/build procurement method.

1.8 Design Review Board. "Design Review Board" shall have the meaning described in chapter 4.23 of the Redmond Municipal Code.

1.9 Downtown Redmond Station. "Downtown Redmond Station" means the elevated · Light Rail Transit Facility located along the Redmond Central Conhector Trail and straddling 166th A venue NE.

1.10 Letters of Concurrence. "Letters of Concurrence" ("LOC") includes those letters signed by the local official who has the authority to approve specific and limited aspects of the Project.

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1.11 Light Rail Transit Facility. "Light Rail Transit Facility" means a structure, rail track, equipment, ma:ihtenance base, or other improvement of a Light Rail Transit System, including but not limited to ventilatio11 structures, traction power substations, Light Rail Transit stations and related passenger amenities, bus layover and inter-modal passenger transfer facilities, park-and-ride lots, and transit station access facilities.

1.12 Light Rail Transit System. "Light Rail Transit System" means a public rail transit line that operates at, above, or below grade level and that provides high-capacity regional transit service owned and operated by a regional transit authority authorized under chapter 81.112 RCW. A Light Rail Transit System may be designed to share a street right-of-way although it may also use a separate right­of-way.

1.13 Marymoor Village. That area of the City of Redmond generally bordered by SR 520 on the north, Marymoor Park on the west and south, and the East Lake Sammamish Trail on the east.

1.14 NFPA. National Fire Prevention Association: a global, non-profit organization that promotes safety standards, education, training, and advocacy on fire a.nd electrical-related hazards.

1.15 Project Administration Agreement._''Project Administration Agreement" means that agreement executed between the Parties on January 22, 2019.

1.16 Parties. "Parties" means the City of Redmond and the Central Puget Sound Regional Transit Authority.

1.17 Project. The ''Project" as used herein means the light rail system as described in the attached Exhibit C and as approved by the City pursuant to the approvals described in this Agreement.

1.18 Request for Proposals. ''Request for Proposals" or ''RFP" means the Sound Transit Downtown Redmond Link Extension Request for Proposals No. RTA/CN 0148-18.

1.19 Site Plan Entitlement. ''Site Plan Entitlement" shall mean the process described in Redmond Zoning Code (RZC) 21.76.070, with deviations as described in this agreement.

1.20 Sound Transit. "Sound Transit" means the Central Puget Sound Regional Transit Authority or any successor or assignee following an assignment that is petinitted under this Agreement.

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1.21 Southeast Redmond Parking Structure. "Southeast Redmond Parking Structure" means the 1,400-staH parking structure located adjacent to the Southeast Redmond Station.

1.22 Southeast Redmond Station. "Southeast Redmond Statjon" mec:1,ns the at~grade Light Rail Transit Facility located along SR 520 to the west of SR 202/Redmond Way.

1.23 Technical Committee. "Technical Committee" shall have the meaning described in Redmond Municipal Code 4.50.

1.24 Third Party. "Third Party" means any person other than the City or an employee of the City and arty person other than Sound Transit or an employee of Sound Transit.

2. TERM. This Agreeroent shall be effective c:1,s of the date the last Party sighs (the "Effective Date") and, unless sooner terminated pu,rs11,mt to the terms hereof, shall remain in effect until December 31, 2026. The City and So11nd Transit may agree to extend the term of this Agreement by mutual agreement of the City Council and Sound Transit Board.

3. COOPERATION AND GOOD-FAITH EFFORTS

3.1 The Parties executed a Project Administration Agreement on January 22, 2019 that addresses cooperation and good-faith efforts.

3.2 The Parties acknowledge that this Agreement contemplates the execution and delivery of a number of future documents, instruments, and permits, the final form and contents of which are not presently determined. The Parties agree to provide the necessary resources and to work in good faith to develop the final form and contents ofsµc_b documents, instruments and permits, and to execute and deliver the sa._me promptly.

3.3 The City may apply for grants available to local agencies to supplement Sound Transit funds for street, sidewalk, or other improvements contemplated by this Agreement. Upon request, Sound Transit will provide letters of support for grant applications made by the City.

3.4 Sound Transit will exercise its reasonable best efforts to minimize impacts of construction activities on current and future business operations and pending development opportunities in the Project area including, but not limited to, best efforts to minimize duration of both (a) any temporary closures of Redmond businesses, and (b) any temporary construction easements impacting business operations.

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3.5 , The Parties ~clrn.owleqge that the scope of work for the Project is identified at the time of issuance of the Reqµest for Proposals ("RFP") for Sound Transit Design Build contract. Because the Project is using the Design Build project delivery method, changes to the scope or adding scope after RFP is discouraged and may have higher costs and impacts. The Parties agree that the scope of the various mitigations, public benefit elements, and Betterments agreed herein will be included in the RFP for the Design Build Contract. If the City requests any change to Project scope after RFP, Sound Transit will determine whether to modify the Design Build Contract to incorporate such requested changes. In making the detetmirtatiort, Sound Transit will consider any potential impacts to the overall project and to the design builder, including but not limited to, impacts to efficiencies, cost, schedule, and long-term operations and maintenance. If agreed, the scope, payment and other terms of such requested change would be II1eJTiorialized in an agreement signed by both Parties before arty such change is incorporated into the Project scope.

4. DEVELOPMENT ST ANDARJJS

4.1 Except as provided in this Agreement, the Project shall be governed by and vested to the City's development regulations or standards as such exist on the Effective bate of this Agreement, or as regulations and standards may be determined inapplicable because of the non-preclusive requirements for essential public facilities provided in RCW 36.70A.200. As provided in RCW 36.7013.170(4), the City shall reserve its authority to adopt new or different regulations to the extent required by a serious threat to public health and safety, after notice and an opportunity to be heard has been provided to Sound Transit, and such regulations shall apply to the Project. As used in this Agreement, "development regulations" shall be deemed to include regulations, policies, procedures and guidelines addressing zoning, environmental review (including SEP A procedures and substantive SEPA policies), building and site desigp., utilities, stormwater, transportation concurrency and other laws, ordinances, policies, and administrative regulations and guidelines of the City governing land development.

4.1.1 The following are exempt from vesting under this Agreement:

a) Pl~n review fees, inspection fees, and connection charges;

b) Stormwater and utility connection fees and monthly service charges;

c) Amendments to building, plumbing, fire and other construction codes; and

d) City enactments that are adopted pursua_nt to State or federal mandates that preempt the City's ~uthority to vest regulations.

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4.2 The City regulations ot standards contained in the RMC shall prevail unless superseded by the terms of this Agreement. To the extent this Agreement does not establish or define development regulations or standarcls covering a certain subject, element or condition, the Project shall be governed by the City development standards and regulations in effect as of the Effective Date oftbis Agreement.

4J NFPA 130 "Standard for Fixed Guideway Transit and Passenger Rail Systems" shall be used for determining occupant loads and exiting requirements at stations in lieu of the provision related to buildings defined in the IBC Section 1004, consistent with letter from City Building Official dated July 19, 2018.

4.4 The Project is a perm_itted use of all affected property and will be generally consistent with current City developrnent standMdS and regulations. Certain deviations from development standards are allowed consistent with RZC 21.76.070(L)(4). The City hereby allows deviations as follows-:

···-··

RZC Citatio_o 'T<mi(;: .. . Ai>oroved Deviation 21.10.040.C Setbacks in AilderSon Park ·zone Setbacks shall be ·as shown in

ExhibitD . ..

21. 10.040.b.9 Parking ratio in Anderson Park· Profect's program will zone provide 6 parking stalls for

light rail operations and maintern1n~e

21,13.070,C.9 Parking ratio in MDDl zone Project's program wilf . provide up to 1,400 parking stalls for transit users and 6 parking stalls for light tail operations and main,t~p.aQ.ce

Table 21.13.120A Minim_um residential component Project is not required to for developments i_n MOO 1 zone; include a residential Minimum floor area ratio (FAR) component and has IJ.O

in MMD 1; Minimum residential minimum floor area. usable space in MDD 1 zone

Table 21. I3:010A . Maximum height fa MOD 1 zone The maximum height for the and Table Project parking structure 21.13.220A shall not exceed the height

shown in Exhibit D. No features in the RZC 21.13 .220, MDD Incentive Program, are required to be provided in order to build to the maximum height.

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RZC Citation Topic Approved Deviation 21.13.140A Upper-story setbacks i_n MDDI l!i lieu of upper story

zone setbacks (see prescriptive language in Exhibit D), and tbe design sta11dards checklist for the garage in the Project Administration Agreement will be used to assess aesthetic intent and

. . ... .. requirements . 21.72.030 Tree Removal Pertnit Exemptions Light Rail Transit Facility

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infrastructure along SR 520 from NE 40th St. to West Lake Sammamish Parkway shall be treated the same as a public street in ail easement or right-of-way for purposes of tree removal pennit exemptions. Consistent with this section, tree replacement requirements still apply and will be required consistent with the Tree Mitigation Plan shown in Exhibit E .

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Procedural Modifications. In addition to the construction deviations identified in Section 4.4, the following procedural modifications shall apply to the Project consistent With RZC 21.76.070(L)(4):

(a)

(b)

(c)

RCZ 2 l.76.070.E Applicability.of.Alteration.of Geologic Hazard Areas Permit. Light rail infrastructure is a permiss1ble us·e with{n ·a Landslide Hazard Area. Sound Transit or its designee may apply for, and the City may issue, an Alteration of Geologic Hazard Area permit as if the infrastructure was a qualifying street or utility.

RCZ.21.76.0.7:0.YApplicability of Site Plan Entitlement J"SPE"). SPE review excludes the elements of light rail that are most similar to linear transportation facilities. Therefore, SPE approval is not required for light rail construction between station areas, or for the linear transportation facility elements at each station as described in the Permitting Framework ofthe DRLI; Project Administration Agreement

RCZ.21.76.090.D Applicability of Administrative Modifications. Modifications to previously approved site plan entitlements that only involve cha11ges to vegetation or llludscaping shall not require an

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administrative modification. Instead, the Design/Build Contractor will implement the Tree Mitigation Pla:p. shown in E:xhibit E.

(d) RZC 21.52.030.G Right-of..:Way Dedication. The City may accept right­of-way that is encumbered if the City in its sole determination finds that the easement or other right will not interfere with the City's long-term operation of the right-of-way for transportation, utility, or other customary right"of-way purposes.

5. SEWER CONNECTION CHARGE AT SOUTHEAST REDMOND STATION, SOUTIIEAST R,EDMOND PARKING STRUCTURE, AND ASSOCIATED LAND USE RESTRICTIONS

5 .1 Pursuant to City Council Resolution 1507, the City Cou.ncil has imposed additional sewer connection charges to support investment in the public sewer system serving the parcels that will be occupied by portions of the Project. In geiletal, the additional connection charges are based on sewer demand assuming development of parcels to their maximum development potential under zoning regulations in effect at the tirne this Agreement is executed. In light of the reduced sewer demand from the light rail station and associated parking structure to be loc~ted on parcel 22, as that parcel is depicted in Resolution 1507 ("Parcel 22"), compared to the amou,nt of demand that would be expected from a developrnent rnaximiiing its potential under zoning regulations in place at the time this Agreernent is executed, the City based its additional sewer connection charge for Parcel 22 on the sewer demand expected from the light tail station and associated parking structure use. The amount of the sewer connection charge fot Parcel 22 is reflected in Resolution 1507, including any interest or fee escalation stated in the resolution. The additional sewer connection charge must be paid at the same time as the general connection charge, which is when the parcel applies fot a side sewer connection.

5.2 Prior to the City's issuance of a building petrnit for the Southeast Redmond Station ancl/or Southe~_st Redmond Parking Structure, Sound Transit agrees to record a deed restriction limiting development of Parcel 22 to light rail station, associated parking structure, and appurtenant light rail system uses, in a form to be rnutually agreed upon by the Parties. The City may withhold issuance of the bu,ilding perrnit until such time as the restriction is agreed upon and recorded. If, at some point in the future, Sound Transit or its successors ot assigns desires to develop Parcel 22 in a manner that creates sewer dem~nd in excess of that associated with the light rail station and parking structure, the City shall determine whether sufficient sewer capacity exists to accommodate such additional dernand. In determining whether sufficient capacity exists, the City shall assume that all other parcels that are subject to the additional sewer connection charge imposed by Resolution 1507 will be fully built out, and sufficient capacity for Sound Transit's additional development will be deemed to exist only if capacity exists beyond that necessary to serve full buildout of the

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other parcels. If the City determjnes that such capacity exists or can be provided with the construction of sewer system improvements that are consistent with the City's Sewer Plan, the restriction shall be amended as mutually agreed by the Parties to allow the additional development. Provided, however, that to the extent sufficient sewer capacity does not exist to accommodate the additional demand, Sound Transit or its successors or assigns shall construct any improvements to the City sewer system that are necessary to accommodate such additional demand. Sound Transit shall also pay an additional connection fee based on the increased demand from such development, as determined by the City for comparable development under Resolution 1507, and such additional connection fee shall be paid regardless of whether sufficient capacity is deemed to exist or whether it must be provided with the construction of sewer system improvements by Sound Transit.

6. PROJECT PUBLIC BENEFITS

6.1 The City and Sound Transit have collaborated closely on Project scope details and desire to memorialize agreement on Project scope elements. Certain Project scope elements are of particular interest to or benefit the City and the Redmond community. Those are described below as the Project's public benefits to comply with RZC 21.76.070(L)(3)(e).

(a) 1,400~~tall Parking St!"llctu_re. Sound Tran.Sit will construct a 1,400-stall parking structure adjacent to the SE Redmond station, designed consistent with RFP documents. This structure provides direct access to the station platform, includes ground-floor bus facilities to elimi.nate on-street bus facilities, minimizes commuter traffic circulating in Marymoor Village given its location near Redmond Way, and allows for potential future transit-oriented development elsewhere near the station.

(b) SE Redmond Construction Staging. Sound Transit will acquire property rights to two parcels immediately south of the west end ofthe SE Redmond station for construction staging or other Project activities. Sound Transit will acquire property rights to two parcels immediately south of the west end of the SE Redmond station, which will be cleared of existing uses for construction staging or other Project activities. Sound Transit will lease or pu.rchase the sites at its sole discretion.

( c) 173rd Ave. NE. Sound Transit will construct an interim section of 173rd

Ave. NE, connecting NE 70th St. to NE 67th Ct., consistent with RFP documents and LOC 15.

(d) NE 70th St. Subject to City Council approval of vacating the existing NE 7ot.h St. right-of-way, Sound Transit will realign and construct NE 70th St. consistent with LOC 15. Sound Transit will transfer property rights to the City as described in LOC 22. ·

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( e) NE 70th St.JSR 202 Intersection. Sound Transit and the City will share the responsibility for improvements at the NE 70th St./SR 202 intersection, consistent with RFP documents and LOC 17.

(t) Downtown Redmond Bus-Rail Integration. Sound Transit will construct concrete bus pads built for active bays and layover spaces on Cleveland St. artd NE 76th St. irt Downtown Redmond, consistent with RFP documents, to facilitate bus-rail integration at the Downtown Redmond Station.

(g) Non~Motorized AccessJmprovements. Som;id Transit will construct non­motorized access improvements with the goal ofincrel:l.sing transit ridership and improving convenience and comfort of access. These improvements, as shown in the RFP documents, include: ADA ramps at NE 40th St. to access the Redmond Technology Station; pedestrian and bicycle facilities on NE 70th St. and 173rd Ave NE in Southeast Redmond; a traffic signal with crosswalks at 176th Ave. NE and NE 70th St., which is where the East Lake Sammamish Trail North Extension crosses NE 70th St.; pedestrian facilities along the north side of NE 76th St, near the Downtown Redmond Station; improvements to existing sidewalks on the south side of Cleveland St. neat the Downtown Redmond Station; l:I. mid-block crossing of Cleveland St. near the Downtown Redmond Station; and three rectangular rapid flashing beacons: crossing NE 76th St. at 168th Ave. NE, crossing Cleveland St. west of 166th Ave. NE, and crossing NE 70th St. at the SE Redmond Station entrance. Additionl:1.1 non-motorized l:l.ccess improvements are anticipated to include: a pedestrian-bicycle tunnel connecting the Redmond Technology Station to the north side of NE 40th St., if Sound Transit and Microsoft are able to reach an agreement on funding and construction and the extension of the East Lake Sammamish Trail to the Redmond Central Connector, pending a bettenilent agreement between Sound Transit and King County.

(h) Downtown Redmond Tail Tracks. Sound Transit will construct an architectural "ending" to the tail tracks west of the Downtown Redmond Station, together with buildings under the end of the tail tracks for use by City or Sound Transit staff, consistent with RFP documents.

(i) Redmond Central Connector. Sound Transit will reconstruct the Redmond Central Connector between 164th Ave NE and t_he Bear Creek Trail to implement the Redmond Central Connector Master Plan, consistent with LOCll.

(j) Wetland Mitigation/Fee In Lieu. Sound Transit and the City agree that Sound Transit will propose the purchase of mitigation credits from the Keller Farm Mitigation Bank (''the Bank") to mitigate all permanent

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wetland and wetland buffer impacts within the City of Recimond, This is consistent with Sound Transit's wetland mitigation analysis contained in its shoreline substantial development permit application to the City. The Bank is anticipated to be certified in the summer of 2019, which would meet the timefraine required by Sound Transit to meet environmental permitting requirements. If the Bank is not certified by September 2019, Sound Transit wi_ll need to find lln alternate method to mitigate those impacts. In the event that the Blll)k is not certified by September 2019, the City agrees to allow Sound Transit to mitjgate permanent wetland and wetland buffer impacts through the purcliase of credits from King County's In-Lieu Fee Program for sites within Redmond city limits.

6.2 In addition the public benefits identified above, Sound Transit will contribute funds to the City to facilitate the following public benefits.

(a) East Lake Sammamish Parkway-SR 202 Intersection. Sound Transit will contribute $803,375 to the City's planned intersection improvement project, subject to the City's completion of arty necessary environmental review (i.e. SEPA) and on a payment schedule shown in Exhibit F. The City will be responsible for completing environmental review, permitting, design, construction, operation and maintenance oft_he improvements and for any and all costs of the project in excess of $803,375. The City intends to construct this improvement such that it is open to the public wh~n the Southeast Redmond Station begins operation, which is currently anticipated to be December 2024

(b) Erratic Art. Sound Transit will pay the City $576,300 for the City to relocate the Erratic art currently located at the comer of 166th Ave NE and Clevelllnd St;, consistent with LOC 11. Sound Transit's contribution is subject to the City's completion of lilly necessary environmental review (i.e. SEPA) and will be paid according to the payment schedule shown in Exhibit F. The City will be responsible for permitting, design, construction, operation and maintenance of the improvements and for any and all costs of the project in excess of $576,300.

(c) The City shall submit invoices and supporting progress reports consistent with the payment plan documented in Exhibit F for aU eligible costs documented in this section. The invoices must include a cover memo including description of the progress made on the public benefits.

i. The City sb<1ll submit its invoices with the requited documentation via email or mail to Accou.ntsPayable@Sou:ndTtansitotg, ot Sound Tr~nsit, Accounts Payable, 401 S. Jackson St., Seattle, WA 98104-2826. Invoices will be paid within thirty da:ys of Sound Transit's receipt of the invoice and acceptable documentation.

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ii. If Sound Transit determines that an invoice lacks sufficient documentation to support payment, Sound Transit will notify the City of its determination and request that the City provide additional documentation. Sound Transit may withhold payment of the invoice until supporting documentation is provided; however, such approval will ilot be lilireasonably withheld.

7. CITY OF REDMOND BETTERMENTS

· 7; 1 The City has identified Betterments that the City believes are desirable to design and construct concurrently witb the Project. The Parties have agreed on a preliminary scope of work and a cost estimate of for each of the Betterments described herein, however, notwithstanding any estimate, the City agrees to pay Sound Transit for all costs it incurs related to these Betterments subject to execution of a Construction Services Agreement as described in Section 7.2. Sound Transit agrees to design and construct the Betterments identified below on behalf of the City:

(a)

(b)

(c)

(d)

(e)

515.t St. Pressure Reduction Valve. See LOC 16. The Parties agree that the City's estimated cost for the referenced scope of work will be $550,000.

~E 76th St.~SR 202 Intersection. See LOC 18. The Parties agree that the City's estimated cost for the referenced scope of work will be $980,000.

NE 70th St.JSR 202 Intersection. See LOC 17. The Parties agree that the City's estimated cost for the referenced scope of work will be $5,070,000.

Redmond Central Connector ("RCC'l See LOC 11. The Parties agree that the City's estimated cost for the referenced scope of work will be $3,080,000.

Ea:st Lake Sammamish Trail North Extension. The City will contribute $40,000 to Sound Transit towatd this Bettetmefit, consistent with the City's commitment in the Transportation Alternatives Program grant application. this contribution is fixed and not subject to future negotiation in the Construction Services Agreement.

1. The City wi.11 deliver it_~ contribution to the East Lake Sammamish Trail North Extension in a single installmeut to Sound Transit no more than thirty (30) days after the execution of this Agreement.

7 .2 Construction Services Agreement. The Parties intend to ~nter into a separate agreement(s) to govern completion ofthe Betterments described in this Section 7. If there is any conflict between this Agreement and any future separate agreement(s) between the Parties regarding the Betterments described in this

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Section 7, then that future separate agreement shall control and govern over this Agreement as to the matters addressed in that future agreement.

8. POTENTIAL TRANSIT-ORIENTED DEVELOPMENT ("TOD")

8.1 Sound Transit has acquired or will acquire such real property interests as are necessary to construct, maintain and operate the Project. After the Project is completed, Sound Transit may have surplus property that could be used to support the tra_nsit investment by creating TOD. The ST3 Plan established TOD as a programmatic component of implementing Sound Transit's mission to plan, build and operate regional mass transit. The ST3 Plan and Sound Transit's enabling statute also direct the agency to implement a regional equitable TOD strategy for diverse, vibrant, mixed-use and mixed-income communities adjacent to Sound Transit stations and in disposition of surplus property. Sound Transit and the City will work together to define a process for exploring and defining outcomes on any future surplus property. · ·

9. APPLiCABILITY OF AGREEMENT

9.1 The Agreement initially applies to the Property described in Exhibit B.

9.2 As Sound Tr~nsit acqtJires additional property rights to construct the Project, as generally shown in Exhibit l, the Designated Representatives may, by mutual agreement, an:iend Exhibit B to incorpor~te add.itional real property, making such property subject to the Agreement. At such times that Exhibit Bis amended, a Memorandum of this Agreement shall be recorded against such property added to Exhibit B.

10. LETTERS OF CONCURRENCE ("LOC")

10.1 The Parties have executed a series of LOCs memorializing certain aspects of the Project, as identified in Exhibit G and ate incorporated herein by reference. The Designated Representatives shall have the authority, by mutual agreement, to amend Exhibit G to add, revise, or revoke any LOC issued after the execution of this Agreement. If there is any conflict between this Agreement and any LOC between the Parties, then this Agreement shall control and govern over the LOC.

11. LIABILITY, INDEMNIFICATION

11. l Sound Transit hereby agrees to indemnify, defend, and hold the City harmless from any and all claims, demands, suits, actions, damages, recoveries, judgments, costs, or expenses, including, without limitation, reasonable attorney fees, paid by the City and arising or growing out of or in connection with or resulting from, either directly or indirectly, the construction, maintenance, operation, repair, removal, occupancy, and use of the Project by Sound transit, unless such claims arise from the sole or partial negligence, actions or inaction of the City, its

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employees, servants, agents, contractors, subcontractors, or persons using the Project with peTII1ission of the City.

11.2 The City shall give Sound Transit prompt notice of any claims directly affecting Sound Transit about which it is aware. Sound Transit shall promptly assume responsibility for the claim or undertake the defense of any litigation on behalf of the City. The City shall cooperate fully with Sound Transit in the defense of any claim. The City shall not settle any claim directly affecting Sound Transit without the prior written consent of Sound Transit, which consent shall not be unreasonably withheld.

11.3 Sound Transit expressly assumes potential liability for actions brought by Sound Transit's employees c,tnd agents against the City and, solely for the purpose of this indemnification, expressly waives any immunity u,nder the Industrial Insurance Law, Title 51 RCW. Sound Transit acknowledges that this waiver was entered into pursuant to the provisions of RCW 4.24.1 I 5 and was the subject of mutual negotiation.

12. INSURANCE

12.1 Sound Transit shall, at its sole expense, obtain and maintain during the entire term of this Agreement ail appropriate program of commercial insurance, self-insurance, or any combination thereof in amounts and types sufficient to satisfy its liabilities. When commercial insurance is utilized, Sound Transit shall name the City as an Additional Insured in accordance With insurer underwriting practices, and Sound Transit insurance policies shall be primary and non­contributory to any coverage maintained by the City. Sound Transit waives all rights of subrogation against the City for claims by third-parties arising under this Agreement, other than for damages, claims or liabilities arising from negligent acts or omissions of the City and its officers, employees, and agents. The limits of Sound Transit's selected coverage program in no way diminish Sound Transit's obligations to the City as set forth in this Agreement. Sound Transit shall maintain this coverage program throughout the term of this Agreement, and for six (6) years after its termination, t.o protect the City against claims that may arise as a result of the construction, operation, or maintenance of the Project. When commercial insurance is used, coverage shall include: (i) comprehensive general liability insurance; (ii) property damage liability insurance, including coverage for explosion, collapse, and instability; (iii) workers' compensation insurance, to the extent required by law; (iv) employer's liability insurance; and (v) comprehensive auto liability coverage, including owned, hired, and non-owned vehicles.

12.2 When commercial insurance is used, Sound Transit shall carry su,ch commercial insurance with responsible insurers, or self-insure or participate in an insurance pool or pools, at levels of coverage or with reserves adequate, in the reasonable judgment of Sound Transit, to protect Sound Transit and the City against loss, and as are ordinarily carried by municipal or privately-owned entities engaged in the operation of facilities comparable to the Project.

15

12.3 Sound Transit shall file with the City's Risk Mru:1ager a formal letter of self., insured status, or when commercial insurance is used, Certificates of In.surance reflecting evidence of the required insurance and naming the City as an additional insured where appropriate. The coverage maintained by Sound Transit under this Agreement shall not be canceled until at least thirty (30) days' prior written notice has been given to the City.

12.4 If Sound Transit fails to maintain the appropriate program of commercial insurance, self-insurance or any combination thereof in amounts and types sufficient to satisfy its liabilities, the City may order Sound Transit to stop operating the Project until the appropriate insurance coverage program is obtained.

13. LIENS

13.1 The Project Facilities are not subject to a claim of Hen. In the event that arty City property becomes subject to any claiII1s for mechanics', artisans' or inaterialmen's liens, or other encumbrances chargeable to or through Sound Transit that Sound Transit does not contest in good faith, Sound Transit shall promptly; ~d in any event within thirty (30) days, cause such lien claim or encumbrance to be discharged or released of record, by payment, posting of bond, court deposit or other ineans, without cost to the City, and shall indemnify the City against all costs and expenses, including attorney foes, incurred in discharging and releasing such claim of lien or encumbrance. If any such claim or encumbrance is not so dischllfgecl ancl release<\, the City may pay or secure the release or discharge thereof at t_he expense of Sound Transit after first giving Sound Transit five (5) business days' advance notice of its intention to do so. The City shall use its reasonable best efforts to keep Sound Transif s fa,cilities free of all liens that may adversely affect the Project.

13.2 Nothing herein shall preclude Sound Transit's or the City's cop.test of 4 claim for lien or other encumbrance chargeable to or through Sound Transit or the City, or of a contract or action upon which the same arose.

13.3 Nothing in this Agreement shall be deemed to give, and the City hereby expressly waives, any claim of ownership in and to any part or the whole of the Project except as may be otherwise provided herein.

14. DISPUTE RESOLUTION

14.1 Any disputes or questions of interpretation of this Agreement that may arise between Sound Transit and the City shall be governed under the Dispute Resolution provisions in this Section. The Parties agree that cooperation and cornmunication clfe essential to resolving issues efficiently. The Parties agree to exercise their best efforts to resolve any disputes that may arise through this dispute resolution process, rather than in the media or through other external means.

16

14.2 The Parties agree to use their best efforts to prevent and resolve potential sources of conflict at the lowest level.

14 .3 The Parties agree to use their best efforts to resolve disputes arising out of or related to this Agreement using good faith negotiations by engaging in the following dispute escalation process should any such disputes arise:

14.3.1 Level One - Sound Transit's Project Director or equivalent and the City Engineer shall meet to discuss and attempt to resolve the dispute in a timely manner. If they caililot resolve the dispute within fourteen (14) calendar days after referral of that dispute to Level One, either Party may refer the dispute to Level Two.

14.3.2 Level Two- Sound Transit's Executive Director of Design, Engineering, and Construction Management and the City's Public Works Dfrectot shall meet to discuss and attempt to resolve the dispute in a timely manner. If they cannot resolve the dispute within fourteen (14) calendar day~ after referral of that dispute to Level Two, either Party may refer the dispute to Level Three.

14.3.3 Level Three - Sound Transit's Chief Executive Officer or Designee and the Mayor or Designee shall meet to discuss and attempt to resolve the

· dispute in a timely manner.

14.4 Except as otherwise specified in this Agreement, irt the event a dispute is not resolved at Level Three within fourteen (14) calendar days after referral of that dispute to Level Three, the Parties are free to file suit or "-gree to alternative dispute resolution methods such as mediation. At all times prior to resoh,1tion of the dispute, the Parties shall continue to perform and make any required payments under this Agreement in the same manner and under the same terms as existed prior to the dispute.

15. DEFAULT

15.1 No Party shall be in default under this Agreement unless it has failed to perfonn under this Agreement for a period of thirty (30) calendar days after written notice of default from the other Party. Each notice of default shall specify the nature of the alleged default and the manner in which the default may be cured satisfactorily. If the natµre of the &Ueged default is such that it cannot reasonably be cured within the thirty (30) day period, then commencement of the elite within such time period and the diligent prosecution to completion of the cure shall be deemed a cure. Any Party not in default under this Agreement shall have all rights and remedies provided by law including, without limitations, damages, specific performance or writs to compel performance or require action consistent with this Agreement.

17

16. REMEDIES;,ENFORCEMENT

16.1 The Parties reserve the right to exercise any and all of the following remedies, singly or in combination, in the event the other violates any provision of this Agreement:

14.1.1 Commencing an action at law for monetary damages;

14.1.2 Commencing an action for equitable or other relief~ and

14.1.3 Seeking specific performance of any provision that reasonably lends itself to such remedy.

16.2 In determining which remedy or remedies for violation are appropriate, a court may take into consideration the nature and extent of the violation, the remedy needed to prevent such violations in the future, whether the breaching party has a history of previous violations of the same or similar kind, and such other considerations as are appropriate under the circumstances. Remedies are cumulative in that the exercise of one shall not foreclose the exercise of others.

16.3 Neither Party shall be relieved of any of its obligations to promptly cornply with any provision of this Agreement by reason of any failure by the other Party to enforce prompt compliance, and such failure to enforce shall not constitute a waiver of rights or acquiescence in the other party's conduct.

17. ASSIGNABILITY; BENEFICIARY

17 .1 This Agreernent shall be binding upon and inure to the benefit of the Parties hereto and their respective successors and assigns. No assignment hereof or sublease shall be valid for any purpose without the prior written consent of the other Party, and any attempt by one Party to assign or license the right~ or obligations hereunder without prior written consent will give the other Party the right, at its written election, immediately to terminate this Agreement or take any other lesser action with respect thereto. The above requirement for consent shail not apply to (i) any disposition of an or substantially an of the assets of a party, (ii) any governmental entity merger, consolidation, or reorga11izc1tion, whether voluntary or involuntary, (Iii) a sublease or assignment of this Agreement, in whole or in part, to a governmental entity, or (iv) a sale, lease, or other conveyance subject to those requirements .set forth in this Agreement.

17.2 Neither this Agreement nor any term or provision hereof, or any inclusion by reference, shall be construed as being for the benefit of any party not a signatory hereto.

18

18. DESIGNATED REPRESENTATIVES

18.1 To promote effective intergovernmental cooperation and efficiencies, the Parties each shall designate a representative ( each a "Designated Representative") who shall be responsible for coordinating communication between the Parties and shall c:1ct as the point of contact for each Party. The Designated Representative will be responsible for the performance of the objectives of this Agreement.

18.2 Each Designated Representative is also responsible for coordinating the input and work of its agency, consultants, and staff as it relates to the objectives of this Agreement. The Parties reserve the right to cha,11ge Designated Representatives by written notice to the other Party during the term of this Agreement. Each Party's Designated Representative is set forth in Exhibit H.

19. NOTICE

19 .1 Unless otherwise provided herein, all notices and communications concerning this Agreement shall be irt Writing and addressed to the Designated Representative. Either Party may at any time designate by written notice a different address or person to which such notice or communication shall be given, and such notice shall take effect seven (7) days after when it is given.

19 .2 Unless otherwise provided herein, all notices sha,U be (i) delivered in person, (ii) deposited with the U.S. postal service, postage prepaid, certified; return receipt requested, (iii) delivered by a nationally recognized overnight or same-day courier service that obtains receipts, or (iv) delivered electronically to the other Party's Designated Representative.

20. GENERAL PROVISIONS

20:1 All citations and references to the Revised Code of Washington, the Redmond Zoning Code, and the Redmond Municipc:11 Code in this Agreement shall refer to thos.e provisions in force as of the date of this Agreement, unless express referertte is made to future amendments.

20.2 This Agreemellt or a recordable notice hereof will be recorded in the real property records of King County pursuant to the requirements ofRCW 36.70B.190. Sound transit shall pay all transfer taxes, documentary stalllps, recording costs or fees, ot any Similar expenses in connection with the recordings or filing of any peflllits that may be granted hereunder.

20.3 Any aII1end_II1ent to this Agreement shall require approval by the City Council and tbe SoUlld Transit Board of Directors, unless administrative approval is specificlllly authorized by this Agreement.

19

20.4 The Parties specifically agree that money damages is not an aclequate remedy for breach of this Agreement and the Parties are entitled to compel specific performance of all terms of this Agreement by the Party in default.

20.5 Time is of the esse11.ce in every provision of this Agreement. Unless otherwise set forth in this Agreement, the reference to "days" shall mean calendar days. If any time for action occurs on a weekend or legal holiday, then the thne period shall be extended automatically to the next business day.

20.6 This Agreement is made and entered into for the sole protection and benefit of the parties hereto and their successors and assigns. No other person shall have a_ny right of action based upon any provision of this Agreement.

20.7 No joint venture or partnership is formed as a result of this Agreement. No employees; agents or subcontractors of one party shall be deemed, or represent themselves to be, employees of any other party.

20.8 Section headings are intended as information only, and shall not be construed with the substance of the section they caption.

20.9 In the event of a dispute concerning this Agreement, the substantially prevailing Party shall be entitled to receive its reasonable attorneys' fees and costs at trial, at any alternative dispute resolution, or on appeal.

20.10 In the event that any section, sentence, clause or phrase of this Agreement is deterrI)ined to be invalid or unconstitutional by arty court of competent jurisdiction, the remaining sect_ions, sentences, clauses, and phrases shall remain viable and in full force and effect.

20.11 This Agreement may be signed in counterparts and when fully executed shall be effective as the original document.

20.12 The Parties have participated and have had an equal opportunity to participate in the drafting of this Agreement. No ambiguity shall be construed against any Party based upon a claim that such Party drafted the ambiguous language.

20.13 This Agreement constitutes the final and complete expression of the Parties with respect to the subject matter hereof.

20.14 The design and construction of the Project is subject to a financial assistance contract between Sound Transit and the United States Department of Transportation, and the Federal Transit Adlllinistration ("FTA"). Both parties recognize that the FT A may request a change to this Agreement to comply with its funding requirements. ·

20

IN WITNESS WHEREOF, each of the Parties have executed this Agreement by its authorized representative as of the later date written below:

CENTRAL PUGET SOUND REGIONAL TUE CITY OF REDMOND TRANSIT AUTHORITY (SOUND

TRANSIT) '~-----· By: ~~

Peter M. Rogoff, Chief Executive Officer

Date: --~---~_-Z...:_\_,,__--"'-'-~___._ __

Authorizecl by Motion No. M ~ 011- (_ 1

APPROVED AS TO FORM:

Exhibit List:

Exhibit A-Project Map

Authorized by City Council Resolution on .JU\'\e. \ ~ , 2019 ·

Exhibit B- Legal Description of Real Property Subject to Agreement Exhibit C - ST3 Project Template for Downtown Redmond Link Extension Exhibit D - Development Standard Deviations Exhibit E - Tree Mitigation Plan Exhibit F - Payment Plan for Eligible Costs Exhibit G - Letters of Concurrence Exhibit H - Designated Representatives Exhibit I - General Description of Property Subject to Agreement

21

EXIDBIT A

PROJECT DESCRIPTION

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OLD REDMOND RD/ I ~ ,I . I : ~- i ;

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. ~- i I I Do~tbwn RedmOl'I(},, Unk i-r ExtenJion.

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City Limits

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EXHIBIT A

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SEREDMOND STATION =

MARYMOOR PARK

Figure 2-1 Vicinity Map & Project Alignment Downtown Redmond Link Extension

EXHIBITB

LEGAL DESCRIPTION OF REAL PROPERTY SUBJECT TO .AGIU;EMENT

DOWNTOWN EASEMENT DESCRIPTION

A strip of land of varying widths situated in a portion of the North Half of the Northeast qllarter, Section 11, and a portion of the West half and the Southeast quarter of the Northeast quarter,

Section 12, Township 45 North, Range 5 East, W.M., King County, Washington, said strip being

all that portion of the BNSF Railway Company's {formerly Northern Pacific Railway Company)

Woodinville to Kennydale, Washi_ngton Branch Line, as described by deed recorded unc:ler

Recording No. 20091218001537, records of said County, said strip described as follows:

BEGINNING at the intersection of the Southerly right of Way margin of Secondary State

Highway No. 2-D {NE: Redmond Drive) with the originally located centerline of said Railway, and the beginning of a strip of land 125 feet in width, being 75 feet northerly of and 50 feet southerly of the following described centerline, said State Highway margin being the westerly limits of said strip sidelines; thence Easterly along said centerline to ~ point opposite the most Northerly comer of Lot 4, Block 1, PLAT of WEST REDMOND ADDITION, as recorded in Volume 58 of Plats, pages 12 and 13, records_ of said County, and the beginning of a strip of land 100 feet in

width, being 75 feet northerly of and 25 feet southerly of said centerline; thence continuing Easterly along said centerline to the southerly extension of the Westerly line (?f THE CLEVELAND CONDOMINIUMS, as recorded in Volume 226 of Condos, pages 43 through 53,

records of said County and the be9inning of a strip of land 85 feet in width, being 60 feet northerly of and 25 feet southerly of said centerline; thence continuing Easterly along said centerline to the southerly extension of the Westerly right of way margin of Brown Street, as

dedicated by the PLAT of SIKES SECOND ADDITION, as recorded in Volume 14 of Plats, page 4, records of said County, and the beginning of a strip of land 100 feet in width, being 75 feet northerly of and 25 feet southerly of said centerline; thence continuing Easterly along said

centerline to the southerly extension of the Westerly Une ofthat certain parcel of land deeded by the Burlington Northern Railroad co·rnpany to Redmond CP 11, as described by instrument filed

LJnder Recording No. 9606051122, records of said County and the beginning of a strip of land

50 feet in width, being 25 feet northerly of and 25 feet southerly of said centerline; thence continuing Easterly along said centerline to the southerly extension of the Easterly line of that certain parcel of land deeded by the Burlington Northern Railroa.d C~mpany to Lowell and Stena J. De Young, as described by instrument filed under Recording No. 9702040665, records of said County, and the beginning of a strip of land 100 feet ih width, being 75 feet northerly of and 25 feet southerly of said centerline; thence continuing Easterly along said centerline to the East line of the Southwest quarter of the Northwest quarter of said Section 12 and the beginning of a strip of land 75 feet in width, being 50 feet northerly of and 25 feet southerly of said centerline, said East line being the easterly limits of said 100 foot wide strip sidelines and the westerly limits of said 75: foot wide strip sidelines; thence continuing easterly along said centerline to the

southerly extension of the Easterly line of that certain parcel of land dedicated by Redmond

Center Development LLC to the City of Redmond, as described by instrument recorded under

Recording No. 20010509000002, records of said County, said southerly extension inten.ded to

intersect the northeasterly corner arid the southeasterly comer of the public road deeded to the Page 1 of2

City of Redmond by instrument recorded under Recording No. 9811040718, records of said County, and the beginning of a strip of land 100 feet in width, being 50 feet northerly of and 50 feet southerly of said centerline; thence continuing Easterly along said centerline to the East ltne

of the Southeast quarter ofthe Northwest quarter of said Section 12, and to City of Redmond City Limits line as described by said City Ordinance No. 230, said East lin~ being the terminus of said centerline and the easterly limits of said strip sidelines. TOGETHER WITH a strip of land of varying widths lying within public street rights of way, the Northerly line of said strip being the Southerly right of way margin of said BNSF Railway, the Southerly line of said strip d~ScritJed as follows:

BEGINNING at the intersection of the East I.ine of said West Redmond Addition with a Une situated 25.00 feet southerly and normal with the Southerly right of way margin of said Railway, said East line being the westerly limits of said strip; thence Easterly parallel with said Southerly margin to the westerly edge of back of curb of Leary Way,southbound,.as const_ructed; thence Northerly along said westerly edge to a point situated 18.25 feet southerly and normal with said Southerly margin; thence 6.asterly parallel with said Southerly margin to a point opposite and 18.25 feet northerly of the Northeast comer of Parcel 12, REDMOND TOWN CENl"ER, a Binding Site Plan, as recorded ·under Recording No. 9604090269, records of said Gounty; thence Easterly to an intersection of the southerly extension of the West line of P:arcel 2, City of Redmond Boundary Line Adjustment File No. L080129, as recorded under Recording No; 20080807900001, records of said County, with a line situated 22.00 feet southerly and normal with said Southerly margin; thence Easterly parallel with said Southerly margin to the easterly terminus of the public road deeded to the City of Redmond by instrument recorded under Recording No. 9811040713, records of said County, and the terminus of said line, said easter1y road terminus being on said Southerly margin and the easterly limits of said strip. TOGETHER WITH:

The North 25.00 feet of Lots 6 and 8, Block 1, PLAT of WEST REDMOND ADDITION, as recorded in Volume 58 of Plats, pages 12 and 13, reqords of said County.

WHPacific, Inc. 12100 NE 195th Street Suite 300 Bothell, WA 98011 425-951-4800

Project No. 209.037564 Page 2of2

EXHIBITC

ST3 PROJECT TEMPLATE FOR DOWNTOWN REDMOND LINK EXTENSION

SOUND TRANSIT 3

Redmond Technology Center Station to SE Redmond to Downtown Redmond Light Rair fEast Link)

-- --------------------------------------~---·······--·-··-

Subarea Et:!st King Primary Mode ~ight Rail Facility Type Corridor Length 3.? rnil~s . -

Pate L,ast Mocf ifi~d Jµly 21, _2016 . ---

SHORT PROJECT DESCRIPTION

This project would extend East Link to Downtown Redmond, as described in ST Board Resolution R2013-09 and the FTA and FHWA Record of Decision. The project would include stations at Southeast Redmond and Downtown Redmond.

Note: The elements included in this representative project will be refined during future phases of project development and are subject to change.

REGIONAL blGHT RAIL SPINE Ooe_s this project help complete the light rail spine?

CAPITAL COST Cost in Millions- of 2014 $

RIDE-RSHIP -

PROJECT AREA AND REPRESENTATiVE ALIGNMENT

\

Downtown Redmond

KEY .ATTRIBUTES

$949-$1,016

I 2040 daily p,;jec/ riders 7,000 - 9,000

I PROJECT 0

El.E=ME~-N-Ts-

l !

i

I I 1· :·:---:.: : . ·: . ~:---:.::- ... I NOT INCLUDED

) ISSUES & RISKS

I Sound Transit 3 Template Page 1 of6

• Approximately 3.7 miles of light rail with a mixture of cut-and-cover, retained-cut, at-grade, and elevated profiles

• One elevated station: SE Redmond • One at-grade station: Downtown Redmond • Stations accommodate 4-car trains • Peak headways: 6 minu_tes • Parking garage at the Southeast Redmond station with approximately 1,400 stalls • Downtown Redmond terminal station with tail tracks (with double crossover) up to 850 feet long to the

west of the station for train layover and turnback operations • Non-motorized access facilities (bicycle/pedestrian), transit-oriented development (TOD)/planning due

diligence, bus/rail integration facilities, and sustainability measures (see separate document titled "Common Project Elements")

• Parking not included at Downtown Redmond station • Operations.and maintenance facility not included. Note that 10 vehicles wffl be accommodated at the Link

Operations and Maintenance Satellite Facility (OMSF) (per the OMSF FEIS), and the remaining 4 vehicles will be accommoda_ted at another ST maintenance facility (a separate ST3 project)

• Light rail vehicles not included • See separate document titled "Common Project Elements," "Light Rail Operations and Maintenance

Facilities," and "Light Rail Vehicles"

• Risk associated with construction adjacent to SR 520 • Crossing over SR 520 from SE Redmond to Downtown Redmond will need additional analysis • Coordination with City of Redmond for guideway and station along Redmond Central Connector

T SOUNDTRANSIT Release date: July 21, 2016

SOUND TRANSIT 3

Redmond Technology Center Station to SE Redcmond to Downtown Redmond Light Rail fEast Link)

I---- -- -- ---- --- ----- - ----- ---- -- - ---- -~~ --·- - -·· - -- --•-- - ·- - --

KE.Y AlTRIBUlES

I- ISSUES & RISKS .

i

Sound Transit 3 Template Page 2 of6

Relocation of'stormwater trunk line under segments of the Redmond Central Connector • The multi-use function of the Downtown Redmond segment of the Eastside Rail Corridor will require

substantial coordination and must be consistent with Redmond and Sound Transit's Light Rail Easement Agreement (Redmond's Spur Rail Corridor, Downtown City Segment) (2012), and the Redmond Central Connector MasterPlan (2011) and Infrastructure Alignment Plan Process (2010)

o Five existing or proposed.at-grade crossings along Redmond Central Connector; at-grade profiles included in this project could result in rnore potential conflicts With other modes; this could affect speed and reliability ·

• Accommodating light rail tail tracks 'in mixed-use residential/commercial area and in a constrained area o Recent widening of SR 520 may require modification of the project design that could alter potential effect$

to Marymoor Park • Flood-prone areas along Sammamish River and Bear Creek that may experience effects of climate

change • L)g_h_tr~iU~ a_p~r~it!~d use io the City of Redmond

T SOUNDTRANSIT Release date: July 21, 2016

SOUND TRANSIT 3

Redmond Technology Center Station to SE Redmond to Downtown Redmond Light Rail (East Li"llk)

State and federal project-level environmental reviews have been completed for this project. The cost estimate is based on the alignment and station areas subsequently selected by the Sound Transit Board. Specific project elements assumed here for cost estimating and evaluation purposes (e.g. profile, station sites, riuniber of parking stalls, etc.) are subject to change since final decisions on specific project elements will be determined through additional environmental review, if necessary, and final engineering and design efforts. Additional opportunities for public pc!rticipation will be provided at that time.

Long Description: This project would complete East Link to Downtown Redmond, as described in ST Board Resolution R2013-09 and the FTA and FHWA Record of Decision, and as identified in the Regional Transit Long-Range Plan as completing the light rail spine to Downtown Redmond. This project would extend light rail froin the Redmond Technology Center Station (formerly called the Overlake Transit Center Station) to Downtown Redmond. The route would follow SR 520 to an elevated Southeast Redmond Station southeast of the SR 520/SR 202 intersection. The route would then turn west, cross over the SR 520/SR 202 interchange and eriter the former BNSF Railway corridor (now knowri as the Redmond Central Connector). The alignment would transition to at-grade and continue to the Downtown Red,mond station west of Leary Way.

Assumptions: • Accommodation of the Redmond Central Connector trail per the Redmond/Sound Transit light rail easement (2012) • Accommodates future extension of 168th Avenue NE at-grade across tracks; this would require reconstruction of 168th Avenue NE on the

south side of the tracks to raise its profile • No parking facilities at th~ Downtown Redmond station • For non-motorized station access allowances, the Southeast Redmond station·is categorized as a suburban station and the Downtown

Redmond station is characterized as an urban station • For bus/rail integration, facilities have been assumed at Downtown Redmond station

Environmental: Environmental compliance pursuant to the State Environmental Policy Act (SEPA) for East Link was completed with the East Link Project Final Environmental Impact Statement (EIS) issued on July 15, 2011, and the East link Extension 2013 S~PA Addendum issued on March 26, 2013. The Federal Transit Administration (FTA) and Federal Highway Administration issued a Record of Decision (ROD) for the project on November 16, 2011 and November 17, 2011, respectively, completing the National Environmental Policy Act process. The East Link segment from the Redmond Technology Center Station to Downtown Redmond was covered in the Final EIS and FTA ROD.

Sound Transit will complete additional project-level state and federal environmental reviews as necessary; provide mitigation for significant impacts; obtain and meet the conditions of all required permits and approvals; and strive to exceed compliance and continually improve its environmental performance.

Utilities: Utility relocation as needed to complete the project, including fiber optics, sewer, water, overhead electric/communications, etc.

Right-of-Way and Property Acquisition: o The right-of-way required for the guideway is mostly within the SR 520 and Eastside Rail Corridor rights-of-way, but property acquisitions

are possible for some adjacent parcels • Property acquisition required for stations and parking . • If Marymoor Park is affected as a result of design modifications, property acquisition may be required to mitigate those effects • Property acquisition for bus/rail integration facility

Potential Permits/Approvals Needed: • Anticipated permits and approvals are identified in the East Link Project Final Environmental Impact Statement Executive Summary (pp. iv­

v, July 4011) o City of Redmond Site Plan Entitlement Permit

Project Dependencies: o East Link completion to the Redmond Technology Center Station • Completion of the OMSF • Purchase of additional light rail vehicles is required to operate service on this corridor

Sound Transit 3 template Page 3 of 6 T SOUNDTRANSIT

Release date: July 21, 2016

-···--·-··~~-·----------------

SOUND TRANSIT 3

Redmond Technology Center Station to SE Redmond to Downtown Redmond Llght Rall (East Link)

Potential Project Partners: • WSDOT • City of Redmond • King County

Sound TransiJ 3 Template Page.4 of 6

• PTA • Transit partners serving project: King County Metro

T SOUNDTRANSIT Release date: July 21, 2016

SQt.JNO TRANSIT 3

Redmond Technology Center Station to SE Redmond to Downtown Redmond Light Raif (East link)

Cost: State and federal project-level environmental reviews have been completed for this project. The cost estimate is based on the alignment and station areas subsequently selected by the Sound Transit Board. Specific project elements assumed here for cost estimating and evaluation purposes (e.g. profile, station sites, number of parking stalls, etc.) are subject to change since final decisions on s~ecific project elements wiH be determined through additional environmental review, if necessary, and final engineering and design efforts. Additional opportunities for public participation will be provided at that time.

In Millions of 2014$

I ITEM --_-----~-L~- __ i ~Q~TVVJTHRESERVE Aciencv Administ[atior,

-- - --$50.39 $53.92 -- --

Preliminary Engineering & Environmental $29.82 $31.91 Review Final DesiQn & Specifications $59.11

--$63.25

--Property AcQuisition_ $82.78 $88.58 Construction - $602.92 $645.13 Construction Manaciement $53.20 $56.92 Third Parties . -- $12.02 $12.86 Vehicles - - $0-.00· $0.00 ContinQencv - - $59.11 $63.25 Total --- $949.36 $1,015.81

-

Design Basis: Conceptual

The costs expressed above include allowances for TOD planning and due diligence, Sustainability, Bus/rail integration facilities, and Non-Motorized Access. These allowances, as well as the costs forParking Access included above, are reflected in the following table. Property acquisition costs are not included in the table below, but are included within the total project cost above. For cost allowances that are not applicable for this project, "NIA" is indicated. ·

ITEM ________ -__ -_-__ ----~~ -iOD olannina and due diliaence Susfainabilitv

..

Parkinq access _Non-motorizedJbicv_clelpedestrfari) -access B_us/[ail inteoration Jacilities

Soun9 Transit 3 Template Page 5 of 6

-- --

$0.47 $0.50 $5.64 $6.04

$73.11 $78.22 $13.18 $14.10 $2.75 $2.94

T SOUNDTRANSIT Release date: July 21, 2016

SOUN!) TRANSIT 3

Redmond Technology Center Station to SE Redmond to Dowt1town Redmond Light Rail (East Link)

Evaluation Measures: ------ - - -- -- 1 ---- ---- - - -

MEASURE t MEASUREMENT/RATING I NOTES ------ - ----'--------- -~-- - --

Regional Light Rail Spine Yes I : ., : ! I~ Does project help complete regional light rail spine?

• i -

infit~J Ridership 7,000 ~ 9,000 2040 daily project riders

® Capital Cost $949-$1,016 Cost in Millions of 2014 $

.W' Annual O&M Cost $9 Cost in Millions of 2014 $

--- --

(9 Travel Time - 7 min In-vehicle travel time along the project (segment)

~ Reliability High Percentage of alignment/route in exclusive right-of-w_ay

E

~++9 System Integration Medium Qualitative assessment of issues and effects related to connections to existing lo.cal bus service and potential future integration opportunities

Ease of Non-motorized Access Medium-Low Qualitative assessment of issues and effects related to non-motorized

~1f modes

Percent of Non-motorized Mode of Access 25-80% Percent of daily boardings

--- -

1 Connections to PSRC-designated Regional Centers 2 centers

!~m!~~ Number of PSRC-designated regional growth and manufacturing/industrial centers serve_d

-- ---·--- -----·

Land Use and Development/TOD Potential Quantitative/qualitative assessment of adopted Plans & Policies and Medium-High ioning compatible with transit-supportive development within 0. 5 mile

© of potential stations

.... Qualitative as.sessment of real estate market support for development ~+@ Medium-High

within 1 mile of potential corridor ·-

Density of activity units (population and employment for 2014 and Pop/acre= 2014: 6; 2040: 7 2040) within 0. 5 mile of potential station areas Emp/acre = 2014:13; 2040 18

Pop+ Emp/acre = 2014: 18; 2040: 26

Socioeconomic Benefits

~ Existing minority I low-income populations within 0.5 mile of potential 46% Minority; 9% Low-Income station areas

2014 and 2040 population within 0.5 mile of potential s.tation areas Pop: 2014: 5,300; 2040: 6,900

2014 and 2040 jobs withiri 0.5 mile of potential station areas Emp: 2014: 12,100; 2040: 17,400 ·- --· ..

For add1t1onal mfonnat1on on evaluation measures, see http://soundtrans1t3.org/document-library

Sound Transit 3Template Page 6 of 6 T SOUNDTRANSIT

- ·-

Low to mediu·m current activity; Medium number of potential future bus tram,it connections in Downtown Redmond and Southeast Redmond

Lciw to medium intersection density providing non-motorized access with SR 520 and wetlands as barriers

Redmond-Overlake, Redmond Downtown

' Strong support in local and regional plans; approx. 50% land is compatibly zoned

Strong market support

Release date: July 21, 2016

EX:HIBITD

DEVELOPMENT STANDARD DEVIATIONS

T

CLEVELAND ST

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--- ---------- -------------- ----__ 7---,...::::.--- --- ---,

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PROPERTYUNE 7 - -- - -E=P:MENT

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CODE REVIEW - SETBACKS 1" = 20'-0"

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w EDGE OF PAVEMENT

NE16THST

DOWNTOWN'REDMOND . CODE REVIEW- SETBACKS

1" = 20'-0"

PROPERlYUNE~- - -- - - -- - - -- - - --

DOWNTOWN REDMOND LINK.EXTENSION 02/29'19

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T SouNDTRANSIT HE w I TT

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PEDESTRIAN CANOPY AND ELEVATOR OVERRUNS ARE NOT.INCLUDED IN fMXIMUM

- SE REDMOND GARAGE HEIGHiJ"

1" = 2·0·-0"

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DOWNTOWN REDMOND l!.INK EXTENSION 0212t/19

Upper Story Setback in MDDI Zone

In lieu of uppet story setbacks at the SE Redmond Gar'c!ge the following elements are proposed to meet

the intent of the design requirement-

1. Light well along NE 70th Street to break up the mass, bulk and scale ofthe building and allow

light into the structure.

2. A pedestrian stale glass canopy for the length of the building along the sidewalk along NE 70th

street. 3. Articulation ofthe vertical transportation elements such as elevators and stairs, which are off

set from the rliairi building; will act as lit ''beacons'' at the neighborhood entrances along NE 70th

Street. 4. Emphasis on a 2-story glass entry lobby on the west side of the garage breaks down the scale of

the building and adds visual interest. 5. Glaz_ing at the surface level allows pedestrian visual connection to the. inside of the b1Jilding,

defines a "base", and enhances the overall pedestrian experience along NE 70th Street.

EXHIBITE

TREE MITIGATION PLAN

DOWNTOWN REDMOND LINK EXTENSION

R200

VOLUMI: 3-01, 01.05.12

City of Redmond Tree, Mitigation Plan

City of Redmond Tree Mitigation Plan

1. Introduction

A Plan Purpose

Sound Transit's Downtown Redmond Link Extension (DRLE) project will remove an est_imated 533-750 significant trees and 13-24 landmark trees within the City of Redmond permitting jurisdiction (not including shoreline a.nd critical areas) to construct and safely operate light rail between the Redmond Technology and Downtown Redmond stations. The purpose of this Conceptual Tree Mitigation Plan is to identify acceptable tree mitigation and reforestation strategies for trees removed by the project that are not located in shoreline or critical areas. Critical area and shoreline planting mitigation will be included as part of the required mitigation plans or shoreline permits.

B. Code Basis for Mitigation and Reforestation Requirements

The purpose and intent statements of RZC 21. 72, Tree Protection, apply to this project. The City Council has, through the Development Agreement for this project, authorized deviations from certain development standards related to tree protection, removal and replacement. Those are descri.bed in the Development Agreement. In summary:

• For all trees on parcels in Marymoor Village, the provisions of RZC 21.72.080.H, Supplemental Standards for the Marymoor Design District, apply.

o For all other trees within City of Redmond permitting jurisdiction (except shoreline and critical areas), the 35 percent retention requirement does not apply, and the project will be treated like a public street for permitting purposes under RZC 21.72.030, Exemptions.

C. Plan Summary

Sound Transit shall provide a conceptual tree mitigation proposal to the City to show compliance with tree protection and tree replacement requirements. The concept proposal shall be submitted with the 30% Construction Document package and shall show estimates of the numbers of trees removed, number of trees planted within the project area, and number of trees planted in off-site areas. This concept proposal shall form the basis for establishing the mitigation project wide to demonstrate overall compliance with the tree preservation requirements such that subsequent permit packages can proceed to approval independently.

The project will be permitted through a series of permit packages. each clearing and grading permit, or other permit allowing tree removal, will be required to show and account for tree removals. The accumulation of these permits will establish the total tree removal count. Each Site Plan Entitlement, Civil Site Construction Permit, or other permit showing planting, will establish the mitigation that will occu_r within the permit area. The accumulation of these permits will establish total on-site tree mitigation.

Required mitigation that cannot be accQmniodat~d on site will be completed at off-site mitigation areas. The City has provided a list of preferred locations that may be available for tree replanting in Section 4.8. Plans for these areas will be developed that show the planting quantities needed to meet the total project planting requirements, based on the final tree removal count. If required mitigation cannot be accommodated at proposed or other off-site locations, the City may consider a fee-in-lieu replacement fee consistent with RZC 21.72.080.E. On- ot off-site

mitigation is strongly preferred to use of the fee-in-lieu prowam.

The exact number of impacted trees is not known becaus.e project design is not complete, but is expected to be within the range documented in this plan. If the number of impacted trees exceeds the maximum considered in this plan, Sound Transitwm be required to propose additional mitigation strcitegies and/or locations for review and approval by the City.

2. Tree Removal Impact

A. Descr:-iption of Impact

Based upon the Preliminary Engineering plans, the project has identified an estimated range of significant and langmc1rk t_rees removed. See Appendix A for estimated tree removal and replacement calculations in the City of Redmond permitting jurisdiction. The Contractor wm determine the actual number of trees planned to be removed during finc1I design and is required to track actual field rem9vc1ls of sjgnificant and landmark trees and update replacement quantities as construction progresses.

As tree planting requirements in the Marymoor Design District are based upon a lot area determination that depends on final design plans (see Section 3.B), an estimate of t_hetrees required is provided in this plan.

B. Minimizing Impacts during Construction Tree protection within the City of Reci.mond jurisdiction shall be in accordance With RZC 21.72.070 Tree Protection Measures, and Sound Transit Specification 015639, Temporary Tree and Plant Protection. The more stringent of the two reqlJirements will apply. Proposed red1.,1ction$ in tree retention after construction permit~ are issued require amendments to the construction permit in the form of a written approval from the City, together with mitigation for the additional impacts in accordance with this plan.

Trees to be removed and trees to remain shall be identified on clearing and grading or other site clearing permit applications. A tree protection plan meeting the requirements ofRZC 21.72.070 and Sound Transit specification 015639 shall_ be included as required by the project permit checklists as included in the DRLE Project Permitting Framework.

3. Mitigation Requirements RZC 21.72,080 requires that replacement trees be primarfly native species to restore and enhance the site as nearly as practicable to its predevelopment character. The condition of replacement trees shall meet or exceed current AmericanHort.org or equivalent organization's standards for nursery stock. Replacement tree $pecies shall be chosen fo meet the Site's environmental conditions. ·

The Contractor may propose smaller trees and shrub understory i_n order to replace the habitat being removed, consistent with RZC 21.72.080.c.z. The use of smaller tree and shrub sizes shall incur a higher replacement ratio in order to more equitably replace the tree resource removed. Any replacement of removed trees with smaller-sized vegetation th.an is required by Code must be approved by the City as part of c1 site-appropriate mitigation strategy.

DRLE Conceptual Tree Mitigation Plan Page 2 of 5

A. Tree Replacement Ratios (not including the llilarymoor Design District}

ProiectArea Plaotin~ Ratio.s ,, Off-site Planting Ratios Tree Removed Replacement ratio Replacement Replacement Replacement Replacement

When using a 2-1/2" ratio using a ratio when ratio when ratio when cal. deciduous tree short stature using a 1 gaJ. llsing a 1. ~2. using a 1 gal. or 6' h.t. evergreen . tree. (RCC shrub gal, tree shrub tree. (RCC Tree free Type C) (allowed in Type A or B, and RCC corridor other site plan only, Plant frees} . - ~ . _MiK 1 and2}

1 Significant Tree 1 2 28 3- 28 1 Landmark Tree 3 n/a n/a 6 56

- ,-

Off-site restoration areas shall have trees planted no closer than 1 O' O.C. spacing and shrubs at a maximum of 4' O.C. spacing. Shrubs may be planted in-between trees, as appropriate. Spacing of plants in Final Designs shall be determined by mature size of species.

B. Marymoor Design District Tree replacement in the Marymoor Design District is based upon the creation of tree canopy in that neighborhood, not a ratio based upon number of trees removed. As the intent of \h_is Code requirement is to establish a long term tree resource, the site plans at the SE Redmond Station, parking garage and other site improvements that are developed in Final Design should provide locations to plant as many trees within the site as feasible.

Any lot canopy coverage percentage that cannot be accommodated within the Marymoor Design District shall be included in the overall project tree replacement mitigation plans, with a replacement ratio of 3:1.

4. Planting Installation A. Timing of Replacement Planting _ Installation of mitigation plantings shall be completed prior to issuance of final DRLE construction inspection sign-off or certificate of occupancy, whichever comes last.

Planting activity should ,be planned to occur during the wet season to enhance plant success.

B. Site Preparation and Planting Techniques at Offsite Mitigation Locations

Most sites will require some site preparation prior to plc1nting. The following steps are required: 1. Obtain appropriate permits to conduct site preparation and mitigation/reforestation

work. This may include critical areas and SEPA review. 2. Remove and dispose of non-native invasive veget~tion. Note: It is not necessary to

remove a/I minor grasses and weed growth. It is the invasive plants that are the focus fot removal.

3. Soil amendment and wood mulch shall be provided for the planted areas to reduce weed growth.and increase plant viability.

DRLE Conceptual Tree Mitigatjon Plan Page 3 of 5

The City may, at its discretion, not require all the steps listed above, or may modify the requirements to require a lower level of input, if appropriate for the site.

C. Maintenance and Bonding of Mitigation Planting RZC 21.76.090 requires performance and warranty assurances for tree protection, tree replacement, and landscaping. All on- and off-site planting areas Within the City of Redmond jurisdiction are subject to a warranty and plant establishment period of two years from Final Acceptance in accordance with the Project Requirements.

D. Communications Sound Transit will work With the City to develop a public communications strategy fot tree impacts, mitigation, and reforestation. ·

Sound Transit will require the contractor to provid~ an annua_l report of tree removal and reforestation activity.

E. Proposed Mitigation Sites The City has identified the following off-site, City-owned property that may be available for planting. These sites are visible to the community, accessible to vehicles, or have nearby access, and have litnited site preparation needs. The mitigation sites proposed in this plan provide a level of certainty to the City and Redmond community as to the locations and plJblic benefits of the tree mitigation plan.

Off'-site planting shall occur in one to three locations, with no site less than 0.5 acres in size, in order to make a positive visual impact. Some sites may require the installation of irrigation systems.

p ot~ntial Off-Site_Mitiaation Options Owned by City of Redmond Name General Location Size of Parcel

(ac) Costello Property South of Perrigo Park

.. -- 2~3 -

Arthur Johnfion P.ark _SQuth pf !J.iJipr, }IHI .Road_ >1 SE Redmond Park Southeast Redmond neighborhood

--0.5

S~ Redmond_ TcaJ! - - ___ Southeast.Redmond neiahborhood 0.5 Viewpoint Open Space ldylwood neighborhood >1 Conrad Olsen Park Be_ar Creek neiahborhood <'l

' DRLE Conceptual Tree Mitigation Plan Page 4 of 5

Potential Off-Site Mitigation Options Map

DRLE Conceptual Tree Mitigation Plan

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Page 5 of 5

Appendix A - City of 'Redmond Estimated Tree Removals and Replacement Mitigation

DRLE Preliminary Engineering - City of Redmond Estimated Tree Removals and Replacement Mitigation

r I, Estimated

I Significant Tree Removals

COR General Jurisdiction

Replacement Tree Totals U}

Estimated Tree Removals within City' /Excluding Non-Significant Tree

Tree RePlacemerits Landmark Ti'ee

Tree·ReJ)la·cements ;Potenticil Significant 'Tree Removals 4"-

6" (g} of Redmond (CCR} General 1 Significant Trees,

Removals 6"-30" (i:} for Significant-Trees

Removals (e} for Landmark Trees

Jurisdiction (a} Dead/Dying, (d} (f)

City of Redmond • General Jurisdiction•

low Estimate (kl

High Estimate·(!)

City of Redmond - Marymoor Subarea ..

low Estimate (kl

High Estimate,(!)

City of Redmond - Critical Areas .. •

Low Estimate (kl

High Estimate,(!) ___/

Total (2)

Low Estimate (kl

High Estimate;(!)

: Hazardous Trees, & Low High

lni!asive Species) Replacement Replacement

(b} Estimate (Ii I Estimate (i) I

641 507 484 484 13 39 I 1~:11 5231

:~1 922 743 711 711 24 72 783

27. 26 26 26 0 0 I ~11 ::1 !~I 40 39 39 39 0 0

276 · 170' 160 160 4 12 I :11 1721 2331

291 · 181 169 169 6 18 187 251

944. 703 670 670 17 51 I ~:~I I 721:1 8681 1253: 963' 919 919 30 90 1009 1203:

calculation Notes: (a) Tree removals are based,on current Project lrt~pact Area provided by Parametrix,:tree inventory provlded'by Urban Forestry Serylces, August 22, 2018, and COR Shoreline·Jurlsdiction Tree

·Preservation·Ptans by Parametrlx. Calculation includes trees,owned by the COR and on privateiproperties within the COR jurisdiction.

(b} Trees with a DBH of less than 6 inch are consldered·Non-Signlficant per COR RZC 21. 78.,Dead; dying, or hazardous,trees are excluded.from tree replacement calculation per COR RZC

21. 72.08D.B.

,{c}'Significanttrees are defined byCOR RZC 21.78 as trees with a:DBH of 6 inches or.greater.

(d} Significant trees require 1:1 replacement per CORRZC 21. 12:oso.B.

(e} Landmark trees are defined as trees with DBH of 30 inches or greater per COR RZC 21.72.080.B.

(f) Landmark trees require 3:1 replacement per COR RZC 21.78.080.B:

(g} Trees with 4-6 inch DBH require COR review to determine appropriate classification.

(h) Tree Replacements for Significant and Landmark Trees, assuming no replacement for trees of 4-6 inch OBH removed (d+f).

(i} Tree Replacements for Significant and Landmark Trees, assuming 1:1,replacement for all-trees of 4-6 inch DBH removed (d+f+g}.

U) Repl~cement Trees to be 2-1/2 inch cal!per minimum for deciduous trees, 6 foot height minimum for evergreen trees per COR RZC 21.72.080.C.

(k) Total tree removal$ within track alignment, 15' vegetative clear zone, and hazard trees.

(I) Total potential tree·removals within track alignment, 15' vegetative clear zone, hazard trees, and all contruction access and construction laydown easement areas .

General Notes: 1. All calculations for tree mitigation based on current City of Redmond Municipal Code. Mitigation·requirements may change over time and any final tree mitigation plans will lleed to comply with

current jurlsdlctlonal req~irements.

2. Due to overlap in data categories quantities may not total evenly.

•aty of Redmond General Jurisdiction includes all properties within the City of Redmond city limits, excluding trees withhthe.Marymoor Subarea and those within critical areas. Trees removed in

the COR General Jurisdiction based on report provided by Parametrlx, October 25, 2018. · .. Marymoor Subarea as definled•by COR In the Comprehenslve·Plan. Trees removed in Marymoor Si.Jbarearbased on·report provided by Parametrix, October 25,.2018.

•••Critical areas include: wetlands and associated buffers, streams-and associated buffers, landslide·areas, floodways; flood.plains, open space easements, and native growth·protection areas.

Trees removed-in critical areas based on report provided by Parametrlx, October.25,•2018.

EXIDBITF

PAYMENT PLAN FOR ELIGIBLE COSTS

EXHIBITF

PAYMENT PLAN FOR ELIGIBLE COSTS

INVOICING FOR ERRATIC RELOCATION AND EAST LAKE SAMMAMISH PARKWAY- REDMOND WAY RECHANNELIZATION

I

A. East Lake Sammamish Parkway-Redmond Way Intersection (Section 6.2(a)):

1. Payment 1: 20% ($160,675) upon completion of any required environmental

review (SEPA)

2. Payment 2: 35% ($281,180) at construction contract award (only if

environmental ·review (SEPA) is complete)

3. Payment 3: 35% ($281,180} at 50% completion of the construction contract

(only if environmental review (SEPA) is complete)

4. Payment 4: 10% ($80,340) at acceptance by the City

B. Erratic Art Relocation (Section 6.2(b)):

1. Payment 1: 40% ($230,520} within 30 days of execution of this Agreement or

when any required environmentc1I review (SEPA) for the Erratic Relocation is·

complete, whichever is later

2. Payment 2: 50% ($288,150) at execution of the·construction contract

3. Payment 3: 10% ($57,630) at acceptance by the City

EXHIBIT G

LETTERS OF CONCURRENCE

January 19, 2018

Maxine Whattam Interim Public Works 'Director City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 0lDRLE: NK:70 th St RightofWay.adiacenUo Station

Purpose

)

The purpose of this letter is to see!{ <:oncurrence frorn the City of Redmond on the required right-of-way needed for the redesigned NE 70th Street. Concurrence on the required ROW is needed to determine Sound Transit acquisition to construct its light rail project in Marymoor Village.

The redesign of NE 70th Street as shown in Figure 1 assumes an application for and approval of a street vacation request for that portion of the existing NE 70th Street ROW to be integrated with Sound Ttansit's project. The vacation will allow fotthe construction of the project and result in the relocation of NE 70th Street within newly-dedicated ROW to the south of its current location. The design requires partial acquisition of three parcels described as RL 161, RL 162! and RL 163, as shown in Figure 1. These parcels ate defined per King County Tax Assessor's data under Definitions.

CHAIR

Dave Somers Snohomish County E.xeculive

VICE CHAIRS

John Marchione Redmond Mayor

BOARD MEMBERS

Nancy Backus Auhurn Mayor

David Ba_ker Kenmore Ma_imr

Claudia Balducci King County Councilmemher

Dow Constantine King County Executive

Bruce Dammeier Pierce County Executive

Jenny Durkan Seattle Mayor

Dave Earling Edmonds Mayor

Rob Johnson Seal/le Councilmemher

Kent Keel University Place Mayor

Joe McDermott King County Council Chair

Roger Millar Washmgton State Secretary

of'Transportalion

Mary Moss Lakewood Councilmemher

i Paul Roberts Ei·ere/1 Councilmember

Dave Upthegrove King County Councilmember

Peter von Reichbauer King County Coum.:ilmember

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Maxine Whattam January 19, 2018 Page 2

The lett.er of concurrence relates only to the southern portion of the proposed NE 70th Street ROW, determ.ined by the centerline of roadway, on parcels RL 161, RL 162, and RL 163.

FIGURE 1: Plan of RL 161, RL162 .-nd RL163 . - - ·-,~,--·- - --r··· Y/7· -· ·-

SOUND TRANSIT FACIUTY

,-w·11°11 ·rnr:JJT r r··· -,. ·· · __ ~-1 STATION PLAZA/SIDEWALK = OWNERSHIP ANO MAINTENANCE I AGREEMENT TSO .

I SEE FIGURE 2 FOR CROSS SECTION

SEE FIGURE 3 FOR CROSS SECTION

I I I RL 163 I I I

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RL 161

I 447'

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-I I . I ir--,....,.--7/ I I RL 164 ' I I

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- ~ - - - -'---t---''-' ---.----

NE 70th Street is defined as a Type 1 street in Redmond Zoning Code Appendix 8A, Marymoor Subarea Street Requirements. The typical cross section and ROW width for a Type 1 street is shown in Appendix 8A of the City of Redmond Zoning Code and is the basis for the ROW that wUI be acquired for NE 70th Street as part of the light rail project.

Central Puget Sound Regional Transit Authority • Union Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www.soundtransit.org

Maxine Whattam January 19,201.8 Page 3

The proposed street cross sections, adjacent to parcels RL 161, RL 162, and RL 163, are attached as Figl!.re 2 and Figl!.re 3. These cross sections are fot reference only in order to inform ROW c1.cquisition. The City and Sound Transit will detet:mine the specific street section to be built as part of the DRLE project and document that decision separately. The figures illustrate the City of Redmond's full build out of the street, and Sound Transit's DRLE build out In both cases, Sound Transit will build the complete street section north of the centerline and an interim section south of the centerline, as shown in Figures 2 & 3. The full build out will be the future responsibility of the City or adjacent property owners.

Figure 2 is shown at the parcel adjacent to the Sound Transit parking garage. In this section, the DRLE project will acquire 32 feet of ROW south of the future centerline of NE 70th Stre~t. Figure 3 is shown at the parcel adjacent to the Sound Transit station plaza. In this section, the DRLE project will acquire 32 feet of ROW south of the future centerline of NE 70th Street.

A future transaction will transfer the ownership to the City of Redmond. J

Definitions Parcels identified for partial acquisition for the NE 70th relocated street include the following:

Sound King Co. Parcel Transit Parcel No. Area R/WN9, ----

- .RL 161 12.25059183 108,752 RL 162 122505TRCT 67,276 RL 163 1225059260 20,622

Central Puget Sound Regional Transit Authority • Union Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) ·398-5000 • FAX: (206) 398-5499 www.soundtransit.org

Maxine Whattam January 19, 2018 Page4

References Figure 2 - NE 70th Street Cross Sections at Garage Figure 3 -- NE 70th Street Cross Sections at Station Plaza

Should you have any questions, please don't hesitate to contact me at(206) 903-7486. Please sign below and tet:utn one of the enclosed originals - please keep the add1tional copy for your records.

Sincerely,

DeWitt Jensen Corridor De.sign Manager,-DRLE

I /23/f g

Concurrence:

---~-~--' j J').g,/J<r Maxi.ne Whattam Date Interim Public Works Director City of Redmond

Enclosure (s): . cc: Leonard McGhee (Project Manager, ST)

Tony Raben (Project Dlrector, ST) ST Doc·umC:nt Coiltr.ol

Central Pugel Sound Regional Transit Authority• Union St,:ition 401 S Jackson St.. S"attle, WA 98104-2826 • Reception: (206) 398-5000 • FAX (206) 398-5499 www.soundtransit.org

PARKING GARAGE

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OVERHEAD POWER AND ILLUMINATION

fl_

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------------------------------------

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DOWNTOWN'REDMOND LINK EXTENSION NE 70TH STREET CROSS SECTIONS AT GARAGE FIGURE 2 -

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~ NOSCAPIN,

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DOWNTOWN REDMOND LINK EXTENSION NE 70TH STREET CROSS SECTIONS AT STATION PLAZA FIGURE3

17' SOUNDTRANS8T

April 16, 2018

Maxine Whattam Parks and Recreation Director City of Redmond POBox97010 Redmond, WA 98073-9710

Downtown Redmond Link Extension, Letter of Concurrence LOC 02 DRLE: Section 4(t) Impacts

DearMs. Whattam:

The East Link Final Environmental Impact Statement (FEIS), published in 2011, evaluated the extension of light rail from Seattle to Downtown Redmond. The Sound Transit Board selected the alignment in 2011, but funding al)owed the· design and construction only through the Overlake Transit Center (now _the Redmond Technology Center). With funding now available to complete East Linl<: to downtown Redmond, the Federal Transit Administration (Ff A) and Sol.ind Transit are updating the review of potential enviromnental impacts for the Downtown Redmond Link Extension, which will _ extend light rail from Redmond Technology Center to downtown Redmond. This review includes updating analysis to reflect changed conditions since 2011 as well as design refinements that reflect continued coordination with the City of Redmond, King County, and the Washington Department of Transportation.

As part of the update, Sound Transit and PTA are evaluating the potential for changes in impacts on public parks and recreational facilities and preparing a Section 4(f) Evaluation that describes the impacts of the project on Section 4(f) properties. Section 4(f) property means publicly owned land of a public park, recreation area, or wildlife and waterfowl refuge of national, State, or local significance, or land of an historic site of national, State, or local significance (23 CFR 774.17).

As part of the review of potential environmental impacts of the proposed design refinements, Sound Transit identified three resources that were not previously addressed under Section 4(f) as part of the East Link FEIS: property at 154thAvenue NE, Bridle Crest Trail, and Bear Creek Park. Potential impacts of the proposed design refinements to Bear Creek Trail and these additional resources are summarized below.

Although the FEIS evaluat~d Section 4(f) impacts to the Redmond Central Connector, as a railbanked corridor, the Redmond Central Connector is exempt from, Section 4(f) (23 CFR 774.11 (h)). The facility remains an important recreation resource, however, and Sound Transit will provide the mitigation identified in the FEIS, which consists of rerouting or realigning trail, relocating displaced features within the Central Connector right-of-way in consultation with the City of Redmond, financial compensation for temporary use of land, maintaining access or providing detours during construction, and restoring temporarily disturbed areas.

Sound Transit appreciates the coordination with city staff. The purpose of this letter is to confirm previous discussions and fonnal_ly document our request for the City's concurrence on the exemption of the impacts to the additional three resources from Section 4(t).

CHAIR

Dave Somers S110/wmish C01111(r £wcutire

VICECHAiRS

John Marchione Redmond Mayor

BOARD MEMBERS

Nancy Backus Au/iumA!ayor

Claudia Balducci Ki1ig Co,111(1• Cmmcilmembtcr

Dow Constantine Ki11g Cou11(r Executirc

Bruce Oammeier Ph~rce C oun(r £w:cutl\'c

Jenny Durkan Seaule Ma_1vr

Dave Earling Edmonds ,\laror

Rob Johnson Seatth· Co1111cilmember

Kent Keel U11irersi(1· Place Mayor

Joe McDermott King Co1111ty C01111cil Chair

Roger Millar IJ'ashi11gto11 Stllle Sccrcwry

ofTra11sportatio11

Mary Moss Lakewood Coi111ci/i11emher

Paul Roberts E,·er.ett Councilmcmbcr

Dave Upthegrove King Cowr(v Councifmember'

Peter von Reichbauer King Coump Cou11ci/m,:mber

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Page2 of3

Section 4(f)

The U.S. Department ofTransportation Act of 1966 requires a Section 4(f) Evaluation. Under the Act, FfA cannot approve a transportation project that requires the use a Section 4(f) resource unless there is no feasible and prudent avoidance alternative or the use of the property, including any measure(s) to minimize harm will not adversely affect the fea~es, attributes, or activities qualifying the property for protection under Section 4(f) (de minimis impact).

In addition, temporary occupancies ofland that are so minimal as to not constitute a use are exempt from Section 4(f) approval. In order to qualify as a temporary occupancy, the following conditions must be satisfied (774.13(d)): • Duration must be temporary, i.e., less than the time needed for construction of the project, and there should be

no change in the ownership of the land; • Scope of the work must be minor, i.e., both the nature and magnitude of the changes to the

Section 4(f) property are minimal; • There are no anticipated permanent adverse physical impacts, nor will there be interference with the protected

activities, features, or attributes of the property, on either a temporary or permanent basis; • The land being used must be fully restored;

Bear Creek Trail

As part of the East LinkFEIS Section4(f) evaluation, Sound Transit and FfA consulted with the City of Redmond, which concurred w1th the determination that impacts to Bear Creek Trail with the included measures to minimize harm were de minimis in its March 9, 2011 letter (attached). The proposed design refinements would reduce impacts to this trail, by slightly decreasing the area of trail shaded by the aerial structure and by lowering the trail only one to three feet rather than the 20 feet required by the previously adopted project. During construction, Sound Transit would maintain access or provide detours. SoundTransit would reconnect the trail under the guideway and restore vegetation consistent with clear zone requirements for the light rail guideway. Therefore, pursuant to 23 CFR § 77 4 .9, the proposed design refinements do not result in 1) a substantial increase in the amount of Section 4( f) property used, 2) a substantial increase in the adverse impacts to Section 4(£) property, or 3) a substantial reduction in the measures to minimize harm as compared to the analysis in the FEIS Section 4(£) analysis, and a new Section 4(f) approval is not required. ·

Property at 1541h Avenue NE

The FEIS did not identify this property as a park, and it was not evaluated in the parks and recreation impact analysis or under Section 4(f). The City's Parks Arts Recreation Culture Conservation Plan indicates this property, currently undeveloped, would be developed in the future as a Neighborhood Park; Based on our consultation with city staff, we understand the City does not have programmed funding for development of this property. This property is currently not used for recreation and has no facilities or identification signage. The 1.27 acre triangle · shaped parcel is along the east side of SR 520, separated from SR 520 by a J'.lOise wall. The proposed design refinements would require approximately .1 acres of the western side of the property for the guideway and relocated sound wall (see enclosed map). In addition, there would be an underground easement of approximately .15 acres for a noise wall footing and guideway tiebacks. Temporary construction impacts would use approximately .25 acres of this property, which would be restored after construction with grass or low vegetation consistent with clear zone requirements for the light rail guideway and in consultation with the City of Redmond,

We believe this park is not a park, recreation area, or wildlife and waterfowl tefiige ofnational, State, or local significance under the Act, and Section 4(f) does not apply. Mitigation requirements for conversion of the property under Forward Thrust, including providing comparable replacement park property, do apply consistent with the City of Redmond's agreement with King County. Sound Transit will work with the C1ty of Redmond to identify appropriate replacement property, and So1Jnd Tr;µisit will transfer the property for use as replacement park property. In addition, temporarily disturbed areas will be revegetated after construction in coordination with the City of Redmond and consistent with guideway clear zone requirements. We request the City's concurrence on this determination.

Page3 of3

Bridle Crest Trail

The FEIS identified temporary construction impacts to this trail due to potential closure or detour. The light rail alignment for the adopted project and the proposed design refinements would cross under the trail at NE 60th Street, where the trail crosses SR 520. There would be no permanent project facilities on the trail property. Proposed mitjgation in the FEIS and for the proposed design refinements includes temporary detours a.µd protective barriers during construction where appropriate. We request the City of Redmond's concurrence that the project's impacts would result in a temporary occupancy consistent with 23 CFR 774.13(d) as outlined above.

Bear Creek Park The project would not require permanent acquisition of property from Bear Creek Park. However, construction activities along NE 761h Street may encroach approximately 15 to 20 feet into the southern boundary of the park requiring a temporary easement of approximately 0 .1 acre. The affected portion of the parcel is in the shoulder area of NE 76lli Street and consists of mown grass managed sim_ilar to highway right-of-way. This area of the park is outside of the fence, does not contain sensitive areas or trees, and is not in active use. Therefore, no users would be affected. Areas temporarily disturbed will be restored after construction consistent with the existing conditions. We request the City of Redmond's concurrence that the project's impacts would result in a temporary occupancy consistent with§ 774.13(d) as outlined above,

Concurrence Request We ask that you provide your signature on this letter to confirm the City agrees:

• the park property at 154th Avenue NE is not a significant park for purposes of Section 4(f), and • the project meets temporary occupancy conditions for the Bridle Crest Trail and Bear Creek

Park.

We request your response within 30 days as we strive to complete our environmental update and move this important project forward. As the project is further refined during final design, Sound Transit will coordinate with the City of Redmond's Parks and Recreation Department to review and fmalize the City of Redmond design and construction activities. Please contact me at (206)398-5301 or Lauren.Swift@soundtransit.org if you have any questions or comments.

b4 Senior Environmental Planner

Attachments: City of Redmond Letter, March 9, 2011 Property impact map

•½k'.J Cityof!Redmon·d WA.S!11NGTON

March 9, 2011

U.S. Department of Transportation R.F. Krochalis Federal Transit Administration 915 Second Avenue Federal Building, Suite 3142 Seattle, WA. 98174-1022

Re: East Unk LJght Rail S.ecti.on 4(f) D.e Minimis Determination Significance of Park Facility and Final Agreement

Dear Mr. Krochalis:

JW ,,,. {,( (5e,anotc( !£,1tlo9 .:-:to

Please find enclosed the original of the Concurrence ·ot Significanoe of the City of Redmond Park Facility and Final Agreement signed by Craig Larsen.

Please let me know if I may be of further assistance to you.

Sincerely, /

#~-1~ Sharon Sato Administrative Office Cgordinator Parks Administration and Planning City of Redmond Parks and Recreation 425-55~2311

Enclose~: Eas~ Lir)k _Light Rail Section 4(f) De Minimis Determination signed original . .. . .

City Hcill • 15670 NE 85th Street• PO Box 97010 • Redmond, WA• 9807309710

U.S. Department of Transportation Federal Transit Ac:lmlnistration

March 3, 2011

Craig Larsen, Director City of Redmond Parks and Recreation P.O. Box 97010 Redmond, WA 98073

REGIONX Alaska, Idaho, Oregon, Washington

915 Second Avenue · Federal Bldg. Suite 3142 Seattle, WA 98174-1002 206-220-7954 206-220-7959 (fax)

RECEIVED·

MAH 07 2011 c,.,..,,o,..

'r r R-o PAR.Ks pi~. fViONo

<..Jif\JNJNG

Re: East Link Light Rail Section 4(f) De Minimis Determination

Dear Mr. Larsen:

As part of the East Link Light Rail Project Final Environmental Impact Statement (EIS) documentation process, the Federal Transit Administration (FTA), as the lead federal agency, is finalizing the Section 4(£) evaluation ofthe potential impacts of the project on · _public parks a_nd recreational foc:ilities.

The Section 4(£) evaluation is a requirement of the U.S. Department of Transportation Act of 1966. Under the Act, FT A cannot approve a transportation project (such as East Link) that requires the use of any publicly owned land from a significant public park, recreation area, or wildlife and waterfowl refuge, or any lanq from a significant historic site, unless a determination is made that:·

• There is po feasible and prudent alternative to using the property; and

• the project includes all possible planning to minimize harm to the property resulting from the use; or

• The use will have no more than a de ntinimus impact on the resource. A de·minimus impact means a project will have no adverse effect to the activities, features, and attributes of the resource after consideration of any impact avoidance, minimization, and mitigation or enhancement measures.

If the federal lead agency determines that a transportation use of Section 4(£) property, restilts in a de minimus impact on that property, an evaluation of prudent and feasible avoidance alternatives is not required and the Section 4(£) process is complete.

Federal guidance encourages early coordination with officials with jurisdiction over the Section 4(£) resource to ascertain the position of the officials to obtain their views. The City signed a letter in September 2008 indicating its preliminary views on a proposed de

minimis determination for certain city park facilities potentially affected by the project and is included the East Link 2008 Draft EIS. Federal regulations stip~late that "officials with -jurisdiction" over the Section 4(£) resource must concur in writ_ing with a de minimu_s findjng (23 CFR 774.5 (2)). The regulations also require that an opportunity for public review and comment concerning the effects of the project on the Section 4(£) resource be provided prior to such written concurrence. As per 23 CFR 774.5, the public comment requirement has been met with the distribution of the East Link Draft EIS (2008) and Supplemental Draft EIS (2010) for review and comment by the public, agencies, and groups.

With the comment period on these documents completed, and based on the city's 2008 letter, Fr A intends to make a de minimis findjng on the listed resources that are owned by the City of Redmond and we are requesting the city's final concurrence on this finding. Your letter of concurrence will be included in the Final EIS for East Link. Following the City's written concurren~e, FT A will make a final Section 4(£) determination, which will also be included in the Final EIS.

The table below lists Luke McRedmond Park, Bear Creek Trail, and the Redmond Central Connector as City of Redmond park facilities that the East Link Light Rail Project would affect. Alternative El would only affect Luke McRedinond Park and all Segment E alternatives would affect the Bear Creek Trail and the Redmond Central Connector. Given the potential project affects and the proposed potential mitigation, FT A believes that a de minimis impact finding can be ma:de for Luke McRedmond, Bear Creek Trail and the Redmond Central Connector. A de minimis determination means that after incorporation of mitigation measures, the East Link project will not adversely affect the activities, features, and attributes of the significant park facilities.

City of Redmond Park Facility and Summary of Section 4(f) Use

Name of Resou_rce ·

Luke McRedmond (E1)

Significance Determination

Significant

Impact on Resource

Permanent use of up to 0.1 acre under elevated structure.

Temporary use of land during construction

Potential Mitigation

( One or more of the following measures would be implemented:

Financial compensation for permanent aerial easement, or improvement~ to the park as agreed to with the City.

Replacement of trees removed per City tree ordinance.

Financial compensation for the lease of la_nd duri_ng construction, as agreed to with the City.

Maintain access to {he park

4(f) Findings

after Mitigation

de minimus

City of Redmond Park Facility and Summary of Section 4(f) Use

Name of Resource

Bear Creek Trail (Preferred Alte.rnative E2 and alternatives 61, E4)

Significance Determination

Significant

Redmond Significant Central Connector (Trail/Park Corridor) (Preferred Alternative E2, and alternatives E1, E4)

Impact on Resource

Permanent tunneling of trai.l for up to 30 feet (E2).

Permanent shading from elevated structures (E1, E4)

Te,t,porary loss of use of trail during construction

Possible reduction of planned trai.l width, removaJ of planned park amenities and associated vegetation (E2, E1, E4)

Temporary loss of use of planned trail and parl< facilities during construction

Potenti.al Mitigation

during construction.

Restore temporarily disturbed area to existing condition$.

4(f) Findings

after Mitigation

The following measures would de minimus be implemented for the impacts described:

Rerouting of trail, restoration of . vegetation, arid replacement of trees (E2);

Financial compensation for permanent aerial easement, or improvements to the trail as agreed with the City (E1, E:4).

Financial compensation for the lease of land during construction, as agreed with the City.

Mal ntain access or provide detours for trail during construction.

Restore temporarily disturbed area to existing conditions.

The following measures would be implemented for the impacts described:

Possible rerouting oftrail, replacement of affected park amenities, and associated vegetation as agreed to with the City.

Financial compensation for the /ease of land during construction as agreed to with the City.

Maintain access or provide detours ;or trail during construction.

Restore temporarily distui'bed area to existing conditions.

deminimus

ln addition, the impact to the Redmond Central Connector is assumed de niinimus, because Sound Transit will be contributing toward the purchase of the Woodinville Subdivision (former BNSF Rail Corridor) to obtain.real property and easements for the right to operate a light rail on the remc1.inder of the corridor from the Port of Seattle and

the City of Redmond to operate light rail. This contribution toward the purchase of the cortidot, and subsequent easements, will guarantee Sound Transit access to the downtown Redmond segment of the former BNSF corridor without having to replace the land at the time of project implementation as part of 4(£) requite:tnents.

We ask that you provide your signature on this letter, or in its place your own letter, to confirm you_r concurrence on the significance of the City of Redmond park facility and final agreement with the Section 4(£) de minimus determination, and the potential mitigation. We are requesting a response within 30--days of the date of this letter.

As the project is further refined during final design, Sound Transit will coordinc3.te with the City of Redmond's Parks apd Recreation Department to review and finalize the City of Redmond design and construction activities. To follow up on this letter, Elma Borbe, Sound Transit Environmental Planner will contact you to provide any information you may neecl ancl also to,offet a meeting to review this letter. If you have any questions, please call either John Witmer, Community Planner at (206) 220-7964 or Elma Borbe, Environmental Planner at (206) 398-5445,

Sincerely,

R. F. Krochalis Federal Tra:rtsit Adni.irtistration

nd Signature for Concurrence

Cc: John Witmer, FT A James Irish, Sound Transit Elma Borbe, Sound Transit

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September 17; 2018

Martin Pastucba Public Works Director City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Coilcurrenc,:e LOC 03 DRLE: Roadway_and Trait Closures

Purpose

The purpose of this letter is to seek concurrence from the City of Redmo'nd on the long-term construction closures for streets. a_nd trails along the project length. Concurrence on the long~term construction closures is needed to provide Sound Transit with working and staging area to construct its light rail project in the Downtown Redmond area. This concurrence letter provides limitations on long-term construction closures. Intermittent shorter street and traH closures will be considered by the City during construction.

Acceptable long-term construction closures are shown in the following table, subject to Redmond City Council approval per RMC 10.24.047.

Central Puget Sound Regional transit Authority• Union Station· 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206)398-5000 • FAX: (206) 398~5499 www :soundtrarislt.cfrg

CHAIR

Dave Somers S1wlwmish Cmmty £tecu1i1·e

VICE CHAIRS

Ron Lucas S1eiit.1coo111 fl.Jayo,

John Marchione R_edmcmd 'Mayor

BOARD MEMBERS

Nancy Bacl<us A11/,un, Mayor

David Baker Ke11111i1re Ma.wn·

Claudia Balducci King Coumy Cmm_cilmemher

Dow Constantine King Cmmty Execlllii'e

Bruce Dammeier Pierce Cc11111ty Erecutive

Jenny Durkan Seal/le M,r:,·;,r

Dave Earling Ei/111011ds Mayar

Rob Johnson Seattle Cmmci/11w111ber

Kent Keel Unii-ersity Place Ma.v,11·

Joe McDermott Khlg Cmmty Cmmci/ Chair

Roger Millar Washi11gto11 Swte Secrewry

of Tnms1mm1iici11

Paul Roberts Ei•erett Coimdl Presitle11tl

Mayiir Pm Tem

, Dave Upthegrove Kin,~ C011111y C01i11ci/111e111her

Peter von Relchbauer Kii1g Cml111y C1Jitllt~ilme.n1lier

Victoria Woodards Ti11.:oma Mayor

CH_IEF EXECUTIVE OFFICER

Peter M. Rogoff

/

Street or Trail Affected Days and Maximum Other Limitations Portion I-lours Duration

NE 76th St betWeen l(i411i Westbound All 24 months Must maintain two-way and 170th Aves NE travel lane traffic. May repurpose

and center parking lane as travel turn lane lane to accomplish this;

166th Ave NE between All MondayS 24 months Closures prohibited Cleveland St and NE 76th ,St amto end of November early

I Friday 3 January ( see Project PM Ilequiteillents for

st;ihcl~rd holiday moratorfum .

Bear Creek Trail between All All 3 months Bear Creek Pkw.y and Redmond Wav Redmond Central Connector All All 32 months between 164th Ave NE and the Be·ar Creek Trail NE 40th Street SR520 All July and Maintain non°

e_astbound August · motorized access ramps to 2021 through construction 156th Ave zone. at all times. NE

NE.51 st Street S~S20 NA NA Long term closure not eastbound allowed. Construction ramps to shall not overlap 156th Ave closures at40th and NE 6Qth.

NE 60th Street 154th Ave All July and Maintain non-NE to IS.6th August motorized access Ave NE (yearTBD through construction

by zone at c:1_11 tj111es .. contractor excluding 2021)

Vehicular and non-motorized detour routes will be provided for all long-term street and trail closures. Motorized vehicles are expected to re-route along local streets while long-term closures are in place. The Bear Creek Trail detour will allow pedestrians and non-motorized vehicles to follow along the sidewaik on the east side of 170th Ave NE as well as the sidewalk on the south side of SR 202/Redmond Way. The Redmond Central Connector Trail detour will allow pedestrians and non-motorized vehicles to foflow along the sidewalk on the south side of NE 76th St, use the travel lanes of NE 76th St, or to divert from the Dow_n_town section of the Redmond Central Connector onto the Bear Creek Trail. Other detour routes may be approved by the City.

References Figure 1 - COR Study session street closure-slides

Should you have any questions, please don't hesitate to contact me at (206) 903-7486. Please sign below and return one of the enclosed originals - please keep the additional copy for your records. --

Central Puget Sound Regional Transit Authority• Union _Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398°5000 • FAX: (206) 398-5499 www .soundtransit.org

Sincerely,

DeWitt Jensen Corridor Design Manager, DR.LE

Concurrence:

-~~~_lti ____ . ....,...·· ___ __,I C)c\- Z. -ZO LB

Martin Pastucha, Public Works Director City of Redmond

Enclosure (s): ct: Leonard McGhee (Project Manager, ST)

Tony Raben (Project Director, ST) ST Do.cument Contrnl

Date

Central Puget Soµnd Regional TransitAuthority • Uni<?n Statjon 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398,5499 www .soundtransit:org,

9/17/2018

Rationale

• Safety

4t Mobj_lity for people, goods

• Resident, ousine$$ irnpc.1cts

• Schedule

1

Recommendation: Downtown • Modify Nl:'. 76th St, maintaining two travel lanes

• Close 166t_h Ave Nlz:to set girders, construct station

-Weekdays only

~ Expected c:ll).rglion_: 14~24 months

-Street open during holiday season

9/17/2018

*• SOUNDTRANSIT

April 9th , 2019

Kristi Wilson Interim Directqr of Public Works City of Redmond 15670 NE 8Sh Street Redmond, WA, 98073

-Downtown Redmond Link Extension, Letter of Concurrence .LOC 04 DRLE Utilities at SE Redmond & NE 60th St

Purpose

The purpose of this letter is to seek concurrence from the City of Redmond on utility work that the project will include in NE 70th St in Marytnoor Village, and and near NE 6Qt~ St in Overlake.

Water and Sewer Main Replacements in NE 70th St

The project will relocate/replace both the 12" water maln and 8" sewer main in NE 70th Street. The mains will both be replaced in kind at the same size as their existing conditions. The beginning of the water main relocation limit is at the existing intersection of NE 70th St. and 176th Ave NE, then continuing west/southwest along the new re-aligned NJ;: 70th St. past the future SE Redmond Station. New fire hydrant assemblies will be installed to replace the existing fire. hydrants which will be impc1cted by the re-alignment of NE 70th Street. Sound Transit will be installing a 12-inch water line that extends from NE 70th St to just west of the baseball fields c1long the guideway wall of

· Marymoor Park for King County as part of a betterment ~greement. A new 8-inch sewer main Will be installed in the re-aligned NE 70th Street beginning at the existing intersection of 176th Avenue NE then running west located in the center of the east bound travel lane. This relocated sewer main will roughly end in front of the existing Marymoor Car and Boat Storage building (RL 161); the City of Redmond wili identify the final location and invert elevation of the westernmost sewer manhole in NE 70th St. The new sewer main Will connectto the existing sewer mclnhole in the NE 70~h St. and 176th Ave. NE intersection which will maintain jts existing invert elevations.

Central Puget Sound Regional Transit Authority • Union Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 WNW.:soundtransit.org

CHAIR

John Mal'.l;hione Red111011d Mayor

VICE CHAIRS

Kent Keel U11frersity Place Mayor

Paul Roberts Ei:erert C,,,m,:ilmembi?r

BOARD MEMBERS

Nancy Bac~us A11/mr11 Mayor

David.Baker Ke11111are Mayor

Claudia Balducci Ki11g Coumy Co1111ci/ Vice Cl11Jir

Dow Constantine· King Cm,;/}' £rec11fi;,e

Bruce Damineler Pierce Co1111ty £rec111ive

Jenny Durkan Seattle M11yor

Dave Earling Ed1110111/., Mayi,r

Joe McDermott Ki11g County Cowicilmemher

Roger Millar WC1.rhi11gtm1.State Secretary

of1im1sportatim1

~imRoscoe Fife Maytif

Dave Somers · S110/w111i.,/1 County £re,.-111ii-e

Dave Upthegrove King Cmmry Co1111ci/111emher

I Peter von Reichbauer

King Co11111y Co1111i:ilmeml;er

Victoria Woodards Tacoma Mayor

CHIEF EXECUTIVE OFFICE_R

Peter M, Rogoff

Wastewater i>ump Station 13 Replacement

The City of Redmond will be replacing pump station 13 and the force rnain to the discharge point at the King County sewer line in the ELST corridor. The interface with DRLE will be the replacement of the sewet forcemain starting from intersection of NE 70th and 176th down NE 70th connecting into the existing King County sewer line (approximately 325ft). The work in NE70th St is expected to be completed in July 2020.

New 173rij Ave NE Utilties

Sound transit will install a new water main that will wrap onto the new 173rd Ave NE lo.cated at the west .end of NE 70 th St and continue south in the new roc1d until it connects to the existing 12~inch · water main in NE 67th Ct. A new 8"inch sewer main will be installed underneath the new 173 rd Ave NE centered in the northbound travel lane and capped near the NE 67th Ct intersection for a future connection to the existing sewer system. The City of Redmond will identify the fined loca.tion and invert elevation of the northernmost sewer manhole in the new roadway but an anticipated location is the beginning of the curve onto re-aligned NE 70th Street. New sewer manholes will be installed as reqµJrec:l to meet City of Redmond standards. Sound Transit may apply for a Utility Reimbursement Agreem~nt(s).under RMC 13.12 to recover costs associated with these utilities.

Reconnected Water and Sewer Service Lines in Marymoor Village

The project will te~connect existing side sewers and water mains/services that.ire currently serving properties With buildings that will remain after project is complete.

Franchise Utility Work in Marymoor Village ·

In addition to the City of Redmond utjlity work on NE 7Qtl) St., there will also be' Private Franchise utility relocations done to accomodate project impacts. The existing 2" intermediate pressure gas main will be replaced in the arec1 by PSE t_hrough coordination with the design-build t:c>htractor. Last, the existing overhead power and telec9m systems will also be relocated onto new poles installed ih the landscape area on the south side of the new NE 70th St. roadway. The Hmits for gas will be in the realigned NE 70th St and overhead relocations will extend from 176th Ave NE to the west end of NE 70th • Ail services wiH also be re-established to existing buildings as needed when work is complete.

Utility Work in Overtake near NE 60th St.

In the NE 60th St. area, the project will relocate the existing 8" water main that runs along the ~xisting WSDOT ROW between NE 59th Way and NE 60th St. The existing main begins near the corner of NE 59th Way and 154tl1Ave. NE, then continues north along the back side of 2 properties for 210 feet before turning west to cross SR 520. The main will be relo.cated approximately 35 feet east ofits existinglocation and will be placed in a new easement to be acquired by Sound Transit. The main will turn northwest and cross underneath the project alignment at ct. diagQnal orientation instead of perpendicular to minimize impacts to the property at this location befor;e it connects back to the existing 8" water main just east from the edge of SR 520. The replacement mc1in will 811 c1nd will also be placed inside a casing sized pythe design-builder that meets City of R~dmond standards, where it is located underneath the project t.racks. The casing will extend a minimum of 10 feet

Central Puget Sound Regional Transit Authority• Union.Station 401 S._Jackson St., Seattle, WA 98104-2826 •Receptiori:.(206) 398-5000 • FAX: (206) 398°5499 www.soundtransit.org

outside the tracks walls, and Sound Transit right-of-way. The water main relocation will have a 10' clear access zone around all bends/connections points for maintenance purposes and an existing fire hydrant in the area will also be replaced as part of this work Sound Transit will secure a 20-foot­wide easement from private property and will assist the City with any modifications needed for the WSDOT franchise agreement

Finally, Sound Transit has agreed to install a 20'; steel casing underneath t_he new structure being built for the Link extension at the NE 60th St. crossing. This new casing shall align with the bridge girders so that future extension of the line is feasible. The instaJlation of t_his new casing will make the. DRLE project structure compatible with future City of Redmond water system upgrade plans to install a new 12" watermain across SR.520 ~t NE 60th Street

Should you have any questions, please don't hesitate to contact me at (206) 398-5171. Please sign below and return one of the enclosed originals - please keep the additional copy for your records.

:;ly, B-Ton~n Executive Projec;t Direotor, DRLE

Concurrence: -,

-~F----'-.____-_______ W..,.a--_ - _________ d'a-)_______ ___,/. _ 1l ('7, lj Date

Kristi Wilson, Interim Director of Public Works City of Redmond

Enclosure (s): cc: Becca Aue (Project Manager, ST)

ST Document Control

Central Puget sound Regional Transit Authority• Union Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www .souncttrai:isit.org

T SouNDTRANsrr

May 16, 2018

Martin Pastucha Public Works Director City of Redmond 15670 NE 85th Street Redmond. WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 05 DRLE: Replaced Infiltration Ponds within Redmond Wellhead Protediori Area

Purpose

The purpose of this letter is to seek concurrence from the City of Redmond on the required replacement stormwater infiltrat_icm pond design standards within the Redmond Wellhead Protection Zones 2 ancl 3 in order to replace existing Washington State Department of Transportation (WSDOT) storm water facilities in the vicinity of the SR 520 and SR 202 interchange. The new porid(s) to be built as part of the project will be owned and maintained byWSDOT.

The WSDOT Highway Runoff Manual (HRM) Section 2-4.1.3 refers designers to local ordinances for details on weUheaq prote~tion areas. Wellhead Protection Zone Performance Stand~rds for the City of Redmond are established in the Redmond Zoning Code (RMC Title 21) section 21.64.050.

The redesign of the eastbound SR 520 off-ramps to SR 202 requires the removal arid replacement of a stormwater infiltration pond. The pond currently infiltrates storrnwater runoff from SR 202 and a portion of the SR 520 eastbo.und off-ramp. The proposed location of the replacement ponds are within Zone 2 and 3 of the Redmond Wellhead Protection Area. The proposed ponds will infiltrate storinwater runoff from the same section of SR 202 and will infiltrate stormwater runoff from the replaced SR 520 off-rc;1111p. See attached memo for additional explanation and details Qf the project area and, the proposed project

To provide adequate protection to the City of Redmond potable water wells, the stormwater infiitrated in the replaced infiltration ponds must receive sufficientwater quality treatment prior to infiltration; The design standarct

C.~ntral Pugel Sound Regional Transit Authority • Union Station 401 S. Jackson SI., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www.soundtransit.org · ·

CHAIR

Dave.Somers S110/wmish Cou111y Exec1itive

VICE CHAIRS

Ron Lucas Steilacoom M,wor

John Marchione . R_edmm,d Maynr

BOARD MEMBERS

Nancy·Backus Auburn Mayor

David Baker Kenmore Mayor

Claudia Balducci King County Cmmdlmember

Dow Constantine King Co1111ty Exec1_1(il'e

Bruce Dammeier Pierce Cmi11ty Execlllive

Jenny Ourkan Seattle Mayor

Dave Earling Edmonds Ma_i•or

Rob Johnson Seattle Cm111ci/mc1iiber

Kent Keel U11iversity Place Mayor

Joe McDermott King County Cound/.Chair

Roger Millar H'u.,·hingtm.1 Sta11.~ Secretqry

Q(Tronsportatio11

Paul Roberts Evere/1. Council Preside111/

Mayor Pro Tem

Dave Upthegrove Ki_ng County Cmuicilm~m.her

Peter von Reichbauer King Cimmy Cm111d/n1e11ih<1r

Victoria Wo~dards T<icoma Mayor

CHIEF ~l;CUTIVE OFFICER

Peter M. Rogoff

\

Martin Pastucha May 16, 2018 Page 2

would normally not allow infiltta:tioh at this location, but since this is modification to an existing pond, and there are no non~infiltration alternative available at this site, the City Will accept a design that requires all stormwater entering the proposed ponds to receive basic, enhanced and oil control treatment as defined Within the City of Redmond Stormwater Technical Notebook. In addition to stormwater treatment facilities, a WSDOT owned and stocked spill control kit suitable for deployment into the infiltration ponds Jn the event of a large sp0l on SR520 or SR202 Will also be provided in the vicinity of the ponds.

The proposed method oftreatment is the application of an engineered filter media liner on the pond_s' surfaces. Prior to approval and co~struct_ion of the stormwater m~nagement sys_t~ro in t~~ location, a stormwater management plan, mcludmg any necessary modelmg and analys1s,anct'tetmg requirements of both the City of Redmond and WSDOT must be submitted for approval. Approval ml!st be gra:otecl by the City of Redmond, WSDOT, and Sound Transit.

Shoyld yoµ h~ve any questions, please don't. hesitate to contact me at. (206) 903-74.86. Please sign below and return one of the enclosed originals - please keep the additio,ial copy for your records..

Sincerely,

[kWJ/c~ DeWitt Jensen Corridor Design Manager, DRLE

Concurrence:

Martin Pastucha, Public Works Director City of Redmond

Attachments: WSDOT SR 202 Infiltration Pond Relocation

Enclos11re (s): c¢: L~oi:ial'!i McQhee (Project f\ianager, ST)

Tony Raben (Project Director, ST) ST Document Control

Central Pugel Sound Regional Transit Authority• Union Station 401 S. Jackson St., Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www.soundtransit.org ,

Parametrix ENGINEERING. PLANNING .. ENVIRONMENTAL SCIENCES

J .;,; :1§P,/:;2fMB/i.@#~•1M$~Q!/!, °'t!'fll :Ji"!i,; ~'fv.;:,;:..; ,,.11 •!2£~ ...,:'

DATE:

TO:

FROM:

RE:

719 7Nf) AVENUE, SU'TE 200 I SE.-'IT'."LE, WA. 98104

DOWNTOWN REDMOND LINK EXTENSION MEMORANDUM

March 22, 201.8

Steve Hitch, City of Redmond Le Nguyen, WSDOT

Janelle Hitch, PE

\ WSDOT SR 202 Infiltration Pond Relocation

PROJECT NUMBER: 554-3164-060

PROJECT NAME: Dbwntown Redmond Unk Extension

This memo has been prepar~d t9 add.ress the wsbbf SR202 Infiltration Pond Relocation. The existing infiltration pond will be replaced with the relocated SR 520 eastbound off-ramp. The ramp is being relocated to accommodate the Sound Transit Downtown Redmond Link Extension (DRLE).

The DRLE projett propqsal includes replacement of the infiltration pond with infiltration ponds on each side of the new ramp. The comQined area of the pon_ds equal the existing pond area plus added surface area sufficient for infiltration of stormwater runoff from new and replaced roadway surfaces ofthe replaced SR520 ramp. The proposed ponds lie within a Wellhead Protection Area. To aid the desc;ription Figures 1 and 2 are attached showing the proposed pond location and contributing impervious surface and existing pond location and contributing impervious surface, respectively.

Due to the location and the quality of thestormwater from the roadway, sufficient water quality treatment is required prior to. allowing infiltration bf th.e stormwater wtthin the ponds. All stormlivater entering the proposed ponds must receive basic, enhanced and oil control treatment prior to infiltration. The proposed method of treatment for the ponds is the use of an engineered filter media liner such as the Filterra Bioscape. Prior to approval of the stormwater management system in this location, a stormwater management plan including any necessary modeling and analysis and mee~ing reqwir~ments of both Washington State Department cif Transportation and the City of Redmond must be submitted for approval. Approval must be granted by WSOOT, City of R~dmonc!, and Sound Trans.it.

Approval of the design wiU be based on the performance criteria required to meet basic, enhanced and oi! control treatment specified in the most current WSOOT and City of Redmond stormwater mar.agement manuals.

- At-Grade - Station Platform

--- Elevated • • • • Retained Fill • • • Retainec:i Cl.it

D Infiltration Pond

' -~~ Treatment Wetland

hQ·'. __ :=;-PT,---•'·-•

Treatment Wetland

(Acres)

I Proposed 7.68

c:=::::J~:,J

SR 202 Infiltration Pond 0 (Acres)

11.15 'i

~l ~:

~

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'y?~ ~J~ :·,:r i ';

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Contributing Impervious Surface '- ·· - Infiltration Pond ·

D Contributing Impervious Surface Treatment Wetland·

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• · 300 o, .. -, ;,"'" .,t"!t!S.\'7i

,.;._,._,.;'r,1. ~ .-5:-;,,, :! !!t;\~_., ~-= .. ~ nl Rf;tfii:,mw ,,_;,,g C:.:tJt•fy, /'-WtimS:t1,.

Figure 1 SR 202.f SR 520 Proposed Treatment Downtown Redmond Link Extension

-~---------------------------------------------,--------------------

- At-Grade

- - - Elevated • • • • Retained. Fill • • • Retained Cut

--7 /'

/ '/,;

- Station Platform D Infiltration Pond Treatment Wetland

~c·_" ---e.!..'_,,. .. .,r~,,.,-~ ,_ Q.,,l;•• ~ ~ ~j

[Existing

I'·~---, ... /·.,·~, . r , --tf.'•r-,~

},~.,,,,~ !

,;:, : ; ,,_' . , ····,:,, ,._'

Treatm·ent'Wetland SR 202 Infiltration Pond [

(Acres) (Acres) !

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·J~. 1~y~ ~.:; ~=-i-~-·~~J=-~~ 1 -- -,

1 Contributing Impervious Surface

·•-·· Infiltration Pond

D Contributing Impervious Surface Treatment Wetland

.... ! ~--,ioo. • .. ,300, ·n

= :.,~.---'fr.,]J;._ ,v,, l'i;;rn,~,.-.•·- Sm•t('~· •'!.:,,tf.:. Ciiy .,{ Hr:,r!m;.vtf "\i••t: .:.,,:~11. ~·.•11:•~ ... ,:~ ·

Figure2 SR 2021

/ SR 520 Existing Treatment Downtown RedmondLink Extension

*• SOUNDTRANSIT

November l4ih, 2018

Jas011 Lynch, Building Official Department of Plannfrig & Communify Develqpffi¢nt

Todd Short, Fire Marshall <;:ity of Redmond PO Box 97010-9710 Redmond, Washington 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 07: Southeast Redmond Station and Downtown Redmond Station Exiting

Dear Mr. Lynch and Mr. Short:

Based upon our recent discussions regarding the use ofNFPA 130 "Standard for Fixed Guideway Transit and Passenger Rail Systems" for platform occupancy and exiting at the Southeast Redmond and Downtown Redmond Stations, Sound Transit respectfully requests review and concurrence with the following exitiilg strategy.

All requiremeflts outlined in NFPA 130 will apply and not be limited to Section 5.3.2 Occupant Load and 5.3.3 Capacity and Location of Means of Egress,

Any adjacent buildings, such as the proposed parking structure at Southeast Redmond.and Downtown Station supporting structures will not be considered as part of the .station platform a:nd wiH comply with. the current edition of adopted building codes at the time of permit applici!tion.

Your review and concurrence with this exiting strategy is appreciated. Should you hi:!,ve any questions, please qon't hesitate to contact me ;i,t (206) 903-7486. Please sign below and return one of the enclosed originals - please keep the additional copy for your records.

Central Puget Sound Regiona) Transit AuthQrity • Union Station 401 S. Jackson St.. Seattle. WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www .soundtransit.org

CHAIR

Dave Somers Siwh;mii~h C1111111y £recurive

VICE CHAIRS

John Marchione Reti111n11J Mayor'

Marilyn Strickland Tammt1Mayor

BOARD MEMBERS

Nancy Backus Auhum Mayor

Claudia Balducci Ki118 Cmmty Cormcilmemher

Fred Butler f.,.wqu,iI, Mayor

Dow Constantine King C111mty £n·r:111fre

Bruce Dammeier Pierce c;11111ty £rernii1·e

Dave Earling Etfmmul., Mt1_1'm·

Rob Johnson Se,mle Cmm(:ilme111ber

Kent Keel U11frerl·ity Place A.,ayor Pro Tem

Jpe McDermott Kin.~ Cn1111ty.C111111cil Ciiair

Roger Millar Washi11gttJ11 Swte Secrerary

,,f Ji'ii11.11irii1111i1ii1

Mary Moss· Lakeiroi>tf Co1111cilmei11ber

Ed Murray Seattle Ma_1•0,•.

Paul Roberts Everet/ Cmuzdfou.m,her

Dave Upthegrove Kiiig Cou11t_v·Cowid/J11ember

Peter vo11 Reiclibauer Kin,: C11tt1I!Y .. Cou11d/mem!J,.:r

CHIEF !:XE~UTIVE OFFICER

Peter M. Rogoff

Ja:~ori Lynch, Todd Short . Letter of Con.currcnc.e. Downtown Redmond Link Extension, Loe #07, Station Exiting November 14, 2018 Page 2 of2

Sincerely,

£) ... ,wiit~ DeWitt Jensen Corridor D~sign Manager, Downtown Redmond Link Extension

~~~~' //,_L______-',·. 1/~~1/$ ~ ~ Lyne , uilding Date -~ Short, F'il'.e Marshall

Attachments: I. Prelillll)a.ry ~g Analysis 2. NFP A 130 Exiting Diagram and calculations for s·E Redmond Station 3. _NFPA 130 Exiting Diagram and calculations for Downtown S1a:tion platform level

cc: Leonard McGhee (Project Manager, ST) Tony Raben (Project Director, ST) Liz Beigle-Bryant (SQA. ST) ST Docu_merit Control

Central Puget Sound Regional Transit Authority • Union Station 401 S. Jackson St.. Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www.soundtransitorg ·

I !f/;1.,/fr Date

Attachment 1- DRLE- Prelimhu1ry Exiting~nalysis

Southeast Redmond Station

Southeast Redmond Station, a center, at-grade platform light rail transit station, is composed of one canopy providing weather protection to waiting patrons at the platform. _

The following exiting strategy is proposed for concurrence:

• The station platform contains the only occupant load of the station.

• Two means of egress off the platfotrn (c;:11~t and west) are provided.

• -Egress to the west from station platform will be along the platform waiting area to a point of safety between the tracks as defined by NFPA 130 Section 3.3.40 ..

• Egress to the east from station platform will be along the platform waiting area and across the track to a point of safety on the public plaza as defined by NFPA 130 Section 3.3.40.

An exiting diagram is included as Attachment 2.

NFP A 130 Exiting Analysis

L The design of the station complies with NPFA 130 timed egress analysis in evacuating all patrons from the station platform in 4 minutes or less and evacuating all patrons to an area of safety in 6 minutes or_less. The NFPA 130 egress analysis for SE Redmond station is included as Att~chment

2. Should a fully load train enter the station with 800 persons, the east and west egress paths having a combined capacity of 250 persons per minute and can easily accommodate the trai_n and a_Iiy entraining passengers within the 4 and 6-rilinute perfortnance period.

Other Fire/ Life Safety Features

A ni.imber of fire/life safety fe11tures provide enhanced protection of employees and station patrons.

1. Platform canopies are open structures and constructed such that they are directly open to the atmosphere. Smoke and heii.t will disperse directly into the atmosphere. The station meets the definition of"Open Station" in NFPA 130, Section 3.3.55.2.

2. The platform canopies will be of Type II-B non-coII1bustible construction in accordance with NFPA 130 Section 5.2.2 Construction Type.

3. The station is at-grade where passengers may egress during a fire incident to the sides as wen as using the station exits.

4. Platform furniture and accessories including benches, windscreens, kiosks etc. are entirely non­combustible. Trash and recycling receptacles will be located outside of the platforms.

Downtown Redmond Station

Downtown Redmond Station, a center, elevated pl_atform light rail transit station, is composed of an elevated platform and vertical transportation components.

The following exiting strategy is proposed for concurrence,

• Three means of egress ( east, center and west) are provided off the platform.

Page 1 of2

• Egress from station platform will be along the ph1tfonh waiting area and down public stairs and emergency egress stairs to a point of safety on the public plaza as defined by NFP A 130 Section 3.3.40.

• The east and central entrances and east egress stair exit to a point of safety on the public plaza as defined by NFPA 130 Section 3.3.40.

M exiting diagram is included as Attachment 3. ,

NFPA 130 Exiting Analysis

1. The design ofthe station complies with NPF A 130 timed egress analysis in evacuating all patton,s from the station platform in 4 tniIJ.utes or less aIJ.d evact1ating all patrons to an area of safety in 6 minutes or less. The NFPA 130 egress analysis for Downtown Redmond station is included as Attachment 3.

2. Should a fully loaded train enter the station with 800 persons, the east, central and west egress paths having a combined capacity of 596 persons per minute, can easily accommodate the train and any entraining passengers within the 4 and 6-minute-performance period. · ·

3. This station will be fully sprinklered and will have a fire alarm system.

Other Fire I Life Safety Features

A number of fire/life safety features provide enhanced protection of employees and station patrons.

1. Platform canopies are open structures a:nd constructed sucb that they ate directly open to the atmosphere. Smoke and heat will disperse directly into the atmosphere. The station meets the definition of''Open Station" in NFPA 130, Section 3.3.55.2.

2. The platform canopies will be of Type 11-B non-combustible construction in accordance with NFPA 130 Section 5.2.2 Construction Type.

3. Platform furniture and accessories including bencbes, windscreens, kiosks etc. are entirely non­combustible. Trash and recycling receptacles to be located outside of the platforms.

Page 2 of2

~

= TO A POINT OF SAFETY (per NFPA 130 5.3.3.2 = ~ 1,935 MIN < 6 MIN)- ,

/

128'-6"

CANOPY COVERAGE

30% CANOPY COVERAGE · ABOVE (2280 SF GROSS)

PLATFORM EXIT

-PLATFORM EVACUATION TIME (per NFPA 130 5,3.3.1 = 0. 705 MIN < 4 MIN)

a

_POINT OF SAFETY . . . SLOPE [)N~-~-(SHADEDAREAS) 132 PATRONS (1/2 OCCUPANCY c:::::=::J . r==1 660

SF -------~- EXITING WEST EXITING EAST ====== c TRA~K CROSSING L 48!' EGR·E-SS GATE Jr , . -~ _ TO~ POINT OF SAFE!" \ I _J SLOPE DN ____ / 1 (per NFPA 1.30 5.3.3.2 ----1--Ll=-'-· -'-----

0 - 2,694MIN<6MIN) =

PLATFORM EXIT -NE 70TH ST - -----

POINT OF SAFETY AREA CALCULATION: ~ 1/ . .__ = ===== BASED ON IBC SECTION 1028.5 SAFE DISPERSAL AREA REQUIREMENT OF 5 SF PER OCCUPANT "'- / NOliE:

264 OCCUPANTS X 1/2 X 5 SF = 660 SF FOR POINT OF SAF,/;, ~ EXIT PATH TO_ EAST WAS CHO_ SEN AS THE MORE ENCUMBERED·ROl!.ITE SINCE IT INCLUDES THE LONGEST PATH TO A POINT OF SAFETY

I

ATTACHMENT 2 SOUTHEAST REDMOND NFPA 130 EXITING DIAGRAM

HEWfTT SE REDMOND CODE REVIEW - EXITING

DOWNTOWN REDMOND LINK EXTENSION 05/09/11

f' = 40'-0"

ATTACHMENT 2

EMERGENCY EXITING CALCULATIONS Center Platform-template A (Headways 6 Minutes)

!SE Redmond Station NFPA 130 !2017 Edition

Type: Center Platform . System: Downtown Redmond LJn.k Extemiion

OCCUPANT LOAD CALCULATION

PEAK ONE-HOUR LINE LOADS

LINE LOADS (Train Load):

BOARDING LOADS (Entraining Load):

tLIGHTING LOADS (Not.U~ fo~-load ~culations):

WBOUND EBOUND

WB.OUND EBOUND

··wsoUND EBOUND

PEAK 15 MINUTE LOADS = [PEAK HR. LOAD X Surge Factor/ 4) PEAK LINE LOADS (Train Load) adjusted for surge factor of: . ! 1:25 · I

WBOUND EBOUND

PEAK BOARDING LOADS (Entrai.ning) adjusted, surge factor of:! 1.50 I . WBOUND

EBOl.iND

ALIGHTING LOADS adjusted for surge factor of:I1.50 I ALIGHTING LOADS: WBOUNt;>

(Alighting loads not induded fcir occupant load calculations:

TE.MPLATE A If HEA.DWAY :S 6 MINUTES TEMPLATE.B. IF HEADWAY> 6 MINUTES PEAK HEADWAYS in minutes:

PLATFORMS WHERE TRAINS ARRIVE FROM ONE DIRECTION

EBOUND

WBOUND EBOUND

CALCULATED TRAIN LOAD= [PEAK 15 MIN. LINK LOAD /(15 MINUTE.$/HEADWAY) x 2]

PLATFORMS WHERE TRAINS ARRIVE FROM TWO DiRECTIONS

TOTAL

TOTAL

TOJAL

TOTAL.

TOTAL

TOTAL

CALCULATED TRAfN LOAD= (PEAK 15 MIN. LINK LOAD /(15 MINUTES/HEADWAY)) x 2 + PEAK 15 MIN. LINK LOAD /(15 MINUTES/HEADWAY)

Preliminary Line (Train) Load Calculations: WBOUND. EBOUND

Adjusted for maximum train capacity of:,._!8_00 __ ~ _ _.!WBOUND EBOUND

CALCULATED TRAIN LOAD TOTALS

ENTRAINING LOAD (Peak) = (PEAK 15 MIN. LOAD/15 MINUTES) x 12 MINUTE DEFAULT ENTRAINING LOAD (Non-Peak)= PEAK 15 MIN. LOAD/(15 MiNUTESMEADWAY)

WBOUND EBOUND

PEAK BOARDING (ENTRAINING) LOAD

TOTAL occu·PANT LOAD= [CALCULATED TRAIN LOAD+ PEAK ENTRAINING LOAD] Use greater of AM or PM Totals for Calculated Train Load

TOTAL OCCUPANT LOAD FOR CA~CULATIONS

TOTAL

TOTAL

TOTAL

A.M. 1252 168 1420

0 137 137

DA TE: i--__,;;5;;.../1;..;4.;.;;/2;;.;;0..;..18"'1 DESIGN YEAR:.__ __ ..;;2;;.;;0.;;..35:.i

P.M. 168

1,252 1420

I ·137 ··1 0 137

707 - I .. 0 -

0 707_

A.M.

391 53

.444

0 52 52

266 O_

26.6

4.00 4.00

A.M. 209 14

209 .14.

223

A.M. 0 42 42

A.M. 264

I 707 .7.07 .

P.M.

53 391 444 ..

52 0 52

0 266. 266

4.00 4.00

PEAK DfRECTION. OFF-PEAK DIRECTION

264

P.11/1. 14

209

14 209 223

P.M. 42 0

.!12.

P.11,1. 264

EI\IIERGENCY EX_ITING CALCULATIONS Continued Center Platform-Template A (Headways 6 Minutes)

!SE Redmond Station NFPA 130 !2017 Edition

Type: Center Platform System: Downtown Redmond Link Extension

EMERGENCY EXIT CAPACITY (Exit Platform in less than 4 minutes) (EXIT LANES AND CAPACITY PROVIDED)

ELEMENT NUMBER X INCHES

PLATFORMS, CORRIDORS AND RAMPS. clear widtn of oath on olatform I I · 2 I 72!

Doors and .Gates Gate to tracl<wav I 361 STAIRS AND ESCALATORS Public Stair - - I I 0 I 721 Exit Stairs I I 0 I 661 Es.calator .I I o I 401

NOTES:

X pim

2.08

2.08

1.41 1.41 1.4.1

1. In calculating escalator capacity, cine escalator per level shall be considered as being out 6fservice.

EMERGENCY EXIT CAPACITY- -(EVACUATE PLATFORM IN 4 MINUTES OR LESS)

Fp = (pl.atfo.rm exit!! flow time) = Plal:form occupancy I.o.ad / Pl~tform exit capacity

I DA TE: i--___,;5;;../1""4""'/2;;.;;0..;..18;;.i

DESIGN YEAR:.__ __ ..;;2;;.;;0.;;.35;.i

CAPACITY CALCULATIONS

= CAPACITY

= 300

= 75

= 0 = 0

-- 0 Platform Exit Capacity 375

(Fractional values are rounded

TEST1

264 / 375 = 0.705 Minutes PAS.S

EMERGENCY EXmNG CALCULATIONS Continued Center Platform-Template A (Headway.s 6 Minutes)

!SE Redmond Station Type: Center Platform NFPA 130 !2017 Eoition -

PATE: 5/14/2018 System: Downtown Redmond Link Extension DESIGN YEAR:1-----,2"""0""'35et

EMERGENCY EXIT CAPACITY (Exit Station to Point of Safety in less than 6 minutes) East TEST 2A (EVACUATE THE TOTAL occyPANT LOAD FROM THE MOST REMOTE POINT ON PLATFORM TO A POINT OF SAFETY IN 6 MINUTES OR LESS)

Wal:king Time for longest exit route: T= Tp + T1 + T2 + T3 ... - - Use 124 FPM for platform, corridors 11.nd ra_mp travel speeds

Tp (Walking time on platform) T1 (End of platf<irm to ramp) T2 (ramp) T3 (End of ramp to crossing) T4 at rade track crossin

rossmg to point o sa ety

Use 48 FPM for stairs and escalator travel speeds, use vertical distance Use 200 FPM f(!r concourse an~ other a.reas with lesser pedestrian density

FPM .124

. _ }24 124 124 124 200

Minutes = 1.532 = 0.210

0.242 0.081

= 0.210 = 0.420

2.694

Waiting time at platform exits: Wp = Fp - Tp

Total Exit Time= T+Wp to Point of Safety

Total.Exit Time to Point of.Safe

Fp = Platform exits flow time Tp = Walking time on platform

w = Platform exits flow time 0.705

T = walking time for longest exit route Wp = Waiting time at platform exits

Walking time for longest exit route = 2.694 +

Walking time on platform 1.532 =

Maximum wait time 0.000 Minutes

Waiting time at platform exits Total exit time o.oi>o = 2.694 Minutes

EVACUATION TIME LESS THAN 6 MINUTES- PASS

~

! I

CLEVELAND ST

~T

~-'

T SouNDTRANsir H E W I TT

t~~!?~N~!~!!~ME~TM ~£~~ ------

.... ~ ~

L~ -,.

-:t.

~ ~ -z.. ~

PLATFORM EXIT

5-----\ ,)·:~::---_ ~ ----~ \ r:c-~ ''---\', .

~~ . -·--.:C.~~'

\ "' ----\ ~- ~> \ · .11~-

\ \ \ - ~0'-4" . <::::.:2::?: t=--=--•-' ::0::---,, I 11 CANOPYCOVERAGE~lf=I::--=:::

ASSUMED ~, ~ -REMOTEST POINT -. I I '

soPATRONs..: (1/2 OCCUPANCY)

EXIJING EAST

PLATFORM EVACUATION TIME (per NFPA 130 5.3.3.1 = 0.298 MiN < 4 MIN)

EXITING EAST

NE 76TH ST

87% CANOPY COVERAGE ABOVE (10,735 SF GROSS)

EGRESS STAIR

PUBLIC STAIR

PLA liFORM EXIT

DOWNTOWN REDMOND I I

CODE REVIEW- PLATFORM EXITING- PLATFORM LEVEL ; 1" = 20'-0" :

DOWNTOWN REDMOND LINK EXTENSION ...,.,,.

:~

" ~

i:

T

CLEVELAND ST

PATH OF EGRESS

TO A:POINT OF SAFETY (per NFPA 130 5.3,3.2'= 2.345,MIN < 6 MIN)

SouNDTRANsir HE,W I TT ~!~!!~~~!~!~~ .. ,~TM ;ornm ------

,0, -11----~--

RCCTRAIL

---- •· .... ,,,,,,:i::i"l"~ii,G,111111,···Ern %1¥ut..a ii I

NE 76TH ST POINT OF SAFETY

POINT OF SAFETY

'C

,a

DOWNTOWN REDMOND CODE REVIEW- PLATFORM EXITING - SURFACE LEVEL

1" = 20'-0"

DOWNTOWN REDMOND LINK EXTENSION .....,,,

EMERGENCY EXITING CALCULATIONS Cent~r Platform-template A (He_adways 6 Minutes)

foowritcf~ri Reainona Station NFPA 130 I2017-Eaition · ·

Type: Center Platform System: Downtown Redmond Link

OCCUPANT LOAD CALCULATION

PEAK ONE-HOUR LINE LOADS

LINE LOADS (Train Load):

BOARDING LOADS (Entraining Load):.

. ,ALIGHTING LOADS (Not Used for loaa ca;culations):

WBOUND EBOUNQ

WBOUND EBOUND

WBOUND EBOUND

PEAK 15 MINUTE LOADS= [PEAK HR LOAD X Surge Factor/ 4) PEAK LINE LOAOS (Train Load) adjusted for surge factor of: ! 1.25 I

WBOUND EBOUND

PEAK BOARDING LOADS (Entraining) adjusted, surge factor of:! 1.50 ! ·waoUND EBOUNO

ALIGHTING LOA!)S adjusted forsurge fac:tbrof:I1:50 I ALIGHTING LOAD.S: WBOUND

Alighting loads not included for occupant load calculations:

TEMPLATE A IF HEADWAYS 6 MINUTES TEMPLATE B IF HEADWAY> 6 Mli--iUTES PEAK HEADWAYS. in.minutes:

PLATFORMS WHERE TRAINS ARRIVE FROM ONE DIRECTION

EBOUND

WBOUND EBOUND

CALCULATED TRAIN LOAD= [PEAK 15 MIN. LINK LOAD /(15 MINUTES/H!;ADIJI.IAY) x 2]

PLATFORMS WHERE TRAINS ARRIVE FROM TWO DIRECTIONS

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

TOTAL

CALCULATED TRAIN LOAD= (PEAK 15'MIN. LINK LOAD /(15 MINUTES/HEADWAY)) x 2 + PEAK 15 MIN. LINK LOAD /(15 MINUTES/HEADWAY)

Prel_iminar:y Line (Train) Load C_alc.ulations: WBOUND EBOUND

Adjusted for maximum train capacity of:!800 !WBOUNO -----~EBOUND

CALCULATED TRAIN LOAD TOTALS

ENTRAINING LOAD (Peak)= (PEAK 15 MIN. LOAD/15 MINUTES).x 12 MINUTE DEFAULT ENTRAINING LOAD (Non>Peak) = PEAK 15 MI_N_. LOAD/(15 MINUTES/HEADWAY)

WBOUND EBOUND

PEAK BOARDING (ENTRAINING) LOAD

TOTAL OCCUPANT LOAD= [CALCULATED TRAIN LOAD+ PEAK ENTRAINING LOAD] Use greater of AM or PM Totals for Calculated Train Load

TOTAL OCCUPANT LOAD FOR CALCULATIONS

TOTAL

TOTAL.

TOTAL

DATE: 7/19/2018

DESIGN YEAR~_~::::::.2:0:35~

A.M. 416

0 416

0 167 167

0 573 573

A.M.

130 0

130

0 63 63.

0 215 21.5.

4.00 4.00

A.M. 69 0

69 0

69.

A.M. 0

·so .. 50

A.M. 120

P.M. ·o 416

4.1.6.

167 0

167

I 573 I 0

573

P.M.

0 130 130

63 0

63

215 0

215

4.00 4.00

PEAK DIRECTION OFF-PEAK DIRECTION

120

P.M. 0

69

0 69 69

P.M. 50 0 50

P.M. 120

EMERGENCY EXITING CALCULATIONS Center Platfomi-Template A {Headways 6 Minutes)

I Downtown Redmond Station Type: Center_Platform

Continued

System: Downtown Redmond Link

EMERGENCY EXIT CAPACITY (Eidt Platform in less than 4 min lites) (EXIT LANES AND CAPACITY PROVIDED)

ELEI\/IENT NUMBER

PLATFORMS CORRIDORS AND RAMPS Ramps I 0 Other -·- 0

STAIRS.AND ESCALATORS Public Stair - Platfom, to East Entrv Exit 1 Public Stair - Platfom, to West Erittv Exit T Earess Stair-Platfom, to EastGrade Exit. 1 ES<:a.la\or

- .. Q

--·

NOTES:

NFPA 130 !2017 Edition

X INCHES X pim

I ~I 2.08 2.08

72 1.41 72 1.41 66 1.41 40 1.41

1. In calculating escalator capacity, one escalator per level shall be considered as being out of service. 2 .. Up escalators are not assumed to be reversable for this exercise.

EMERGENCY EXIT CAPACITY (EVACUATE PLATFORM IN 4 MINUTES OR LESS)

Fp = (platfom, exits flow time) = Platfom, occupancy load I Platfom, exit capacity

C>ATE: 7/19/2018 DESIGN YEAR:1---~'"'2c..;0""'3~5

CAPACITY CALCULATION~

= CAPACITY

= 0 = 0

= 102 = 102 = 93

0 Platform Exit Capacity 297

(Fractional values are rounded]

. TEST"1

120 / 297 = 0.403 Minutes PASS

EMERGENCY EXITING CALCULATIONS Continued Center Pla~C>rm-TempJate A (Headways 6 Minutes)

I Downtown Redmond·statiori Type: Center Platform System: Downtown Redmond l.i.n.k

NF.PA 130 !2017 Eaition I PATE.: l----'7..;../1;..;;9.;,;;/2'=0.,,.,18:t

DESIGN YEAR:.__ __ ...;;2;..;;.0.;;..35""

EMERGENCY EXIT CAPACITY (Exit Stati<>.il to Poiijfof Safety in les·s than 6 minutes) East TEST 2A (EVACUATE THE TOTAL OCCUPANT LOAD FROM TH.E MOST REMOTEPOINT ON PLATFO.RM TO A POINT OF SAFETY IN 6 MINUTES OR LESS)

Walking Time for longest exit route: T= Tp + T1 + T2 + T3 .... Use 124 FPM for platform, corridors and ramp travel speeds Use 48 FPM for stairs and escalator travel speeds, use vertical distance Use 200 FPM for concourse and ot.h~r ar~as with lesser pedestrian density

FPM 124 48 2()0

= Minutes

1.532 0.646 0.167 2.345

Waiting time at platform exits: Wp = Fp - Tp

Total Exit Time= T+Wp to Point of Safety

Total Exit Time to Point of Safe

Fp = Platform exits flow time Tp = Walking time on platform

w = Platform exits flow time 0.403

T=-walking time for lo.ngest exit route Wp = Waiting time at platform exits

walking time for longest exit route = 2.345. +

walking time on platform 1.532 =

Maximum wait time 0.000 Minutes

Waiting time at platform exits Total exit time 0.000 = 2.345 Min.utes

EVACUATION TIMELESS THAN 6 MINUTES,-_ PASS

*• SOUNDTRANSIT

July 10, 2018

Martin Pastuchua Directors of Public Works City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Re~ond Link.Extension, Letter of Concurrence LOC 8 DRLE: NE 7011' Street and 176th A:venue NE Intersection Control

Purpose

The purpose of this letter is to seek concurrenceJtom the City of Redmond on .the proposed intersection control for NE 70th Street and 176th Avenue NE. The City of Redmond identified a double-lane roundabout in its Marymoor Subarea Plan, but upon additional analysis; it was shown that a double-la:ne roundabout operates near capacity under both the2035 Baseline and 2035 Marymoor Subarea growth scenarios With the light rail project Build trips. In adclition, the East Lake Sammamish Trail crosses NE 70th Street The future extension of the trail, to be built as part of the DRLE project, introduces a high volume regional trail crossing at the intersection. The high trail volumes would restrict the free flowing right turn movements through the roundabout. King County also expressed safety concerns witb the trail crossing a double­lane roundabout. Based on the information and input, the proposed intersection control for NE 70th Street and 176th Avenue NE·i_s a traffic signal. The analysis to Support this conclusion can be found in the att~Ghed . · Downtown Redmond Link Extension Project Roundabout Analysis Memo.

References Downtown Redmond Link Extension Project Roundabout Analysis Memo

Central Puget Sound Regional Transit Authority• Union Station 401 S. Jackson St., Seattle, WA 98104°2826 • Reception: (206) 398,5000 • FAX: (206) 398-5499 www,soundtransitorg ·

CHAIR

Dave Somers S110/umiiJ'1 Co11111y Erernth'e

VICE CHAI_RS

Ron Lucas Steilacoom Mayor

John Marchione R~1i1111111,I May111·

BOARD MEMBERS

Nancy Backus Auburn Mayor

David Baker Ke_1111lort! A·fuym:

Claudia Balducci Ki11g County Cmmdlmember

DCl'l'.I Con_stantine Ki11g Cmmty £wwti1·e

Bruce Dammeier Pierce County £rec11ti1•e

Jenny Durkan Sea/tie Mayor

Dave Earling £dmii111/.r Mayor

Rob Johnson Sean/e Cmmcilmember

Kent Keel Univen;ity _P"we.A•lt1_wn:

Joe McDermott Ki11g Count)· Co1111ci/ Chair

Roger.r.1illar ~Vi.l.\·hilig"ron Stale Secretarj•

ofTl,111s1iortt11i1i11

Paul Roberts f:l'erert C:01111ci/ Pre.,idewl

Ma_i•or Pro Te1i1

Dave Upthegrove King .Cmmry Cmmdlmemher

Peter von Reichbauer Kll1'g Cowily ·cou11dl,11emher

Victoria Woodards Tcu-;11~1~1 M~1,~.;~;. -

CHIEF EXECUTIVE OFFICER

Peter M .. Fiogc;iff

Should you have any questions, please don't hesitate to contact me at (206) 903-7486. Please sign below and return one of the enclosed originals - please keep the additional copy for your records.

Sincerely,

?J_e,Wk~ DeWitt Jensen Corridor Design Manager, DRLE

Concurrence:

________ Vwf>_· _9_. ,_~ __ ___,! ,/1e/1s Date

Martin Pastucha Director of Public Works City of Redmond

Enclosure (s): cc: Leonard McGhee (Project Manager, ST)

Tony Raben (Project Director. ST) ST Document Control

Central Puget Sound RegionalTransit Authority• Union Station 401 s. Jackson St., Sec1ttle; WA 98104-2826 • Reception: (206) 398-5000 • FAX: (:?06) ~91:!<5499 www .soundtrarisit.org

Downtown Redmond Link Extension Project Roundabout ·Analysis

Prepared for

T SOUNDTRANSIT . .Central Puget Sound Regional Transit Authority 401 S. Jackson Street Seattle, WA 98104

Prepared by

Parametrix 71.9 2nd Avenue, Suite 200 Sei!ttle, WA~.8104 T. 206:394.3700 F. 1.855.542.63~3 www.parametrix.com

February 2018 I Downtown Redmond Link Extension

RoundoboutAnalys~ Soiln·d Transit

INTRODUCTION The City of Redmond has recently adopted the Mar_ymoor SLibarea Plan. This plan identifies a vision. fotthe neighborhood (Mary·moor Village) si.Jrroundihgthe SE Redmond Station, which i_ncludes a transition from light industrial uses to a mix of residential; employment, education, and commercial u~e~. A~ part of the plar:i, the street grid Wquid be revise·c1 ahcl.new development woLJlc(be hou~ed in mixed-use and residential buildings.

These modifications wete deveioped in anticipation of construction of the SE Redmqnd Stati9n; whic;h is part of the proposed Downtown Redmond Link Extension Project. The expectation is that the subarea would serve_.a _substantial number qf r¢gicinal commuters .asweli as l()cal trayelersiThe land use changes planned for the Marymoor.Subarea would be accompanied by associated increases-in automobile, bttycle, pedesti"ii:!h, and·transit activity: The~e increaseswt>ul~ affect the operation of the transportatlon network, including severaJ intersedibnswithin or neadhe subarea.

The roa~way nehvcirkancl several ,ntersections'.ih so_utheast Re_clmont:I w9uld be. mqciified ft)r the:. P'roject Baseline with Marymoor Subarea Plan, These changes would provide more ofa g'rid network ln

the stibatea, which Wo_uh:I better accommodate aflticipated trafficv6h.urjes and fadl_itate rnultirnodal access. The Marymoor Subarea Plan includes a. roundabout for intersection control forintersection #3S{NE•70th Street and.17fith Av:enue NE);

PURPOSE OF MEMORANDUM ·r6e·purpose ofthis n,emora,ndun:,Js to analy~e thE! feasibili'y pfthe proposed roundabo1Jt controlat inters.ection #35 under several growth scenarios. The growth rates fcirthese scehariofar:edistUssed in n,oi"E! cl~taiJ in.the Dowr1,towil Req,:nond Lin,kt~t,~r,sion SEP.A Addendum Appendix A--Transportation Technical Report. The scenarios analyzed in thi_s memoranctuin inclµded the io11 (Existing) conditions. anci 2()35 No Builcl and _Build design year-c;onclitie>nsJor the Biiseffne and Marym9or Subarea growth ' . ... .. . . .. . .. .. . . . . . ..

rates. The Build .cohditions r'eflectthe Proposed Design Refinements fq'rthe Oowntciwri Redm·ond Link E~tension iis detailed in the to1i East I.Ink P·roject.Final Environmental 'impact Statement.

Intersection #35 Traffic Operations Under each of the growth rate scenarios, intersection #35was an~lyzed as a four-leg int:ersection und¢i"Build conditions fcirthe 2035 aaseline and 2035 Mary111qor' Sllbarea scenariC>s. The f<>urth IE!g of this intersection provides access to/from the parking garage for the SE Redmond Station. Under the Proposed Design Sefinementswith. Mary moor s_ubatea Pl;fn, the cWvewav to the ramps accessing the parking garage atthe SE Redmond Station would serve asthe southbound leg of intersection #35. In ordei'to retain the Ma·rymoor Subarea Plan; s ·proposed co'nnectio·n between Redmond Way and NE 70th Street, an additional intersection would be installed along NE 70th' Street between Redmond Way and 176th Avenue NE. Under all othE!tsc.eriarios (existing condition~ arid No Buiid Alternatives), intersection #35 functions as a three-leg intersection with no access to/from the north. The. roundabout operations analysis wa~ conducted usingthe.sofu.vare program SIDRA (6.1). SIDRA is an analytical traffic-evaluation software application that uses lane~by-lane and vehicle path models to provide estimatE!s of q:1padty. This rounclabout ·analysis w:as consi~eilt with WSOOT's SIQRA Policy and Settings1• · ·

1 http://ww111twsciot.wa.gov/ i:lesigr/ traffic/ analysis/

Februai)'.2018 j'DowntoWriRedmcind Link Extension 1

Roundabout Analysis Sound Transit

A common method of measuring traffic operations is level of service (LOS), a scale ranging from A to F, to designate thel(?S depending onthe delay ~()nditi<>hs <!t the intersection. LOS A represents the best conditions with minimal delay and LOSF represents the worst conditions with severe congestion. LOS ratings are based 011 the ratio of actuc1I traffic volun,es t<> traffi_~ t_o_ntrol ci_elai()f the ihter~ect1oi'I or roadway.Table 1 lists the intersection LOS delay thresholds for signalized and roundabout intersections. At signalized )mersections, LOS •~ cc1lcuf;1ted Qa?ed on th,e d~i~y i:>f ~Ii VEthi_cJes ent~ring the.iht¢rs¢dion. Actordihg to WSDOT's SIDRAPcilicy and Settings, LOS for roundabout intersections is calculated using the same thre_sholds as signalized intersections,

Tabl_e. t L,eyel of Service Ti,re$h,old!>

Levei of Service

A

Average Control Delay per Vehicle (seconds)

SignaJl2:ed_ lnt1:1r:sections (seconds/vehicle)

_ Roun~~_boLits __ (seconds/vehicle)_

S10 =.-,--~------,·,---- ----. ,_..,._. ---------.. ··--·····~--------~-.....:...-----'-E3 > 10ahd s-20

> 20 .. ~hd$35 > 20 ai,d$3p --------'-~----,-- • ---·- ••-A .... --••• --'-'-'-'-------_.;__

0 ~--~--"~'-"~""'"""'' =, .. ,.,_,_,,__,,.,._,,,<,,>,,="--" __ ,.. .. _. ---

E > 55 and_s ao > 55 and.s ao F >.80 > ab

..

Note: The·Los·cnteria are based on control delay, which includes Initial deceleration delay,.queue·move-up time.-stop·ped delay; and final i:le~leraiion delay.. •· · · · · · · · ·

Source: Trans~ortaticin Rasearcli Bcian:l [:ilghway (iiipacity Manual; ~000

the LOS criteda for fOl.ll'l~abouts c3r~ supplernemed_byusing the volume~to-c;;ipa¢ity ratio (v/c). The v/c rati_o evaluates the c:oiigestion ofan intersection, approach, or movement based onthe observed volume compared to the ca pacify qffhe i_ri!erieq:iqh, agproa_ch, or movement.As sh91Nn in Table 2, LOS Fis assigned to individual lanes iri roundabouts regardless ofthe control delay ifthe v/c ratio exceetjs to. For ove_rall interseq:ion an~ approaches a_t roundabolJts;"LQS is measured solely !'!ga.instth~ control delay thresholds.

Table 2. Level of Service Thresho_lds for Roundabouts

Control Delay at Roundabouts (seconds/vehige)

~ 10 ----------"-·-----· > 10ands2b

> 20 ahd S35

> 35 ands 55

> 55 ands 80

- >80

LOS by· Volume0to~capacity Ratio

B F C

E F

F

F F

······~·-·····~••···-· ·-····-···~---····~ .......... -·-······-···--·-----F

Note: For approaches and overa_ll intersectior1 asses·sme11t, LOS _is defi_ned s9l!'IY by co11troi d.el~y.

source: Transportation Research Board Hi~hway Capacity Manual, 201 o

2 Fe~i,ll_ary 201t I powntov.:nR!,\d(llO!ld t:ink 1:x;ensi.on

Analysis Findings An qperc1tional i,tnaiy?is was con.ductedJo.r the.following ~cenprios:

Rouridaboi.it Analysis · Soi,:ria Transit

• 2017 Existing-2017 traffic volumes, existing lane geometry, single-lane roundabout, no

SQL!thboundJ~g.

• 2035 No BqllcJ Bqse/ine-20'3.5 No Build BasE!Hhe traffi~ v9lu1T1es, exi?1:irig Jane geometry, single.:Ia11e roundabout, no southbound leg.

• 2Q3p Bf.Jifd, £3i:fs.elinE?-~0~$ Builc;I ijaselji1I:! trc1ffk vqJurnes, single-Jiirie a.nd do\,lble0Iane rou.ndabouts, with the parking.garage access as the southbound leg;

• 203.s No B!!ild Mdtyrrioor Subi:i.re.a~2035 No BL!ild Marymoo{ subarea gfo\Nth trafficvolurnes, single.,lanl:!.ancj double.:lane rc:iundabouts/with the new

0

connect:fon bet~een 176th Street NE and

SR 202/~edrnond way a$ the southbo1,1ficf le.ti,

• 203~ Bui!c{Matyrnoor sdbt:1.rE?d-2035 13t:Jild fi/larytnqof .Sub~r.l:!,a, gre>\Nt.h Jraffi¢ yoiµmes, single~Jane and double-lane roundabouts, with the parking garage access as the southbound leg,

ljei.y connection between '.!,76!1,Street NE and SR.2d2/Re.ctrnonc;I \NaysJ,i~l:!d.i!iPPJoxiiilate,ly 200 feet east.

wsoot/s SiPRA policy .ihdicatesth;irthe. Measure.of Effe~tlvefless (MQ~) for rouri~a~qlits is not P-tir:h1!ffly 10S but instead a mix of MOEs. TheMOEs for ro1indabouts in.order. of importance.are v/c ratios, percent

stqppgc;I, Q\JeUE!S, aric:I t.he.11 LQ~. 1:hl:!refote, table .3 SUITllTl~.r.izes the v /c r.atie>sfor a.fl a_lteriiativ¢.s .fqt pvet~II. intersection and by approach.

WSDC:rn SJDRA Pi;>lify setti.11gs:st:;itE!sthat v/t r~tjos .afa>ye 0.85 a.re toricerrii11g:and r¢quii-e acl8itiqnal detailed analysis. Similarly; the 2010 Highway Capacity Manual does not define a standard for v/c ratios, but intern:atio.n~i ari·d c;f91T1estit e)(p¢ri.ente· s.uggests th~t vk@ti.qs in th.e/ange i:>f 0,85tq b.9 represent an . approximate threshold for satisfacfory operation.

As $hi:>wn .ln Table~' ~ased tJn the v/C ratii:>, a.si11gIe.:IanE? roundabout. ~;;in su,ffidentJYh~Mle tr;Jff,!c oper.ations under 2017 Existing conditions. The roundabout v/c ratio increases as itexperiences growth in

volurne under 2.0~5 coriditions, Fi:>r the 2035 No J3uild Bas.elir,e scenario, ;;i single:lane t9unc;la~o1,1twi11 provide enough capacityto .handle the additional volume. But when Build trips are added, a single0lane

roundabout Will no longer be ac;lequate to ~an die the increase in vol\,lm'e, This is due t9 vel,i~tJl:ar iti.c:reases on the westbound approach in the A.M peak hour and northbound approach in the PM peak hour. However, a double-iane rouncla~outc:onfigur.atiori unqer thl:! Ba.selinl:! growth scenario with Bui.Id trips operates below a v/c ratio of 1.0~ but is approaching capacity during the PM peak hour because the v/c ratio is 0.92.

The area around the S(Redmonc;I Statiqn ls proJectecl to ~xperience more growth under the 2Cl35 Maryrrioor Subarea conditions. For the 2035 No B.uild Marymoor Subarea scenario, the single-lane roundabout does not provide enough capacity for sufficient flow through thls roundabout. This i.s. primarily <;i\J~ to the southboµnd approach in theAM peak hour and the northbound approach in the PM peak hour. However, a double-lane roundabout does have the capadty to handle these operations.

February201s I oawiltowiiRednicirid Link Extension 3

R,iundaboilt Analysis Soundtrat]s!,t

T!i.bl~ 3. ~i$Ulig and Design Year 2035 Traffic. Operations-vie ratio

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Note: Black"highlight ii\dica_tes approach does ·not exist while grey highlight indicates an unacceptable .v/c ratio, as specified i_n WSDOJ design manual ..

4 ·February iiiis'J Downtown Redmond Link Extension

RounddlJdut Analysis sourid Transit-

The roundabout configuration is changed between the No Build and Build scenarios as the north leg of the roundabout becomes the access to/from the parking garage, cmd the con11ection betwe~n Redmond Way c1nd I\IE70th Street is shifted approximately 200 feet east of the roundabout intersection. A singles lane ro'i.indabci.ut under th~ Marymoor Su_bareais over c:apild.ty and WQ\Jl.d nqt s.uffic:iently han.dle the total growth forecast for the intersection. This is due to t_he westbound approach in the AM peak hou·r ancl squthbound (park-ancl-ride) approach in thE! PM peak t(ou.t Adciu.bi.e-lane r9undabout is forecast~d to operate wifh ·<! better v/c- ratio, but even then the westbound approach in the AM peak hour is approaching capacity arid may resuit iri long queiJE!s anc:I i:!dditiqnal delays.

A dotJ_ble-lane roundabout operates near capacity under both the 2035 Baseline and 2035 Marymooi' Subar:ea «rowth scenariohvith the Build trips, In additiqn,. c!lthough the ¢.ity ofRedrno11d 'ic:te11tified a c:lo4ble-lc1r1e roqric:fa_bout in its Marvmoor Sub area plan, the City recognizesthatthere are right~ot~way and pedestrian· comfoittradE!-offs with building :a q91,1bl¢-lahe ro4ndabout: ·

Therefore, the proposed intersection control fodntersecticin #35 should be a traffic sign<!I with turn lan'es as heeded. Oetailed operatioh'al analysis .of the propqs¢d trc1ffit: ~ignal fs dqcum,ent~d i11 the 09."-Vn.t<>wn Reclfri9nd kit)k E>Ctension SEPA Addendum, Appendix A---.transportation Technical Report-.

Fe~riJarf2Qf8 I 0o,wii(6wii ~edniond Uh~ Ext~lision ·,s

•• SOUNDTRANSIT

July 16, 2018

Todd Short Fire Marshal City of Redmond I 5670 NE 85th Stre~t Redmond, WA, 9$073

Downtown Redmond Link Extension, Letter of Concurrence LOC 9 DRLE: Microsoft Building 50 Parking Garage Fire Access

Purpose

· The purpose of this letter is to seek concurrence frorri the City of Redmond on the revised fire access to the Microsoft Building 50 Parking Garage, Ct1rrently, existing fire access extends around the garage on the east, south, and west sides. The current City of Redmond Municpal Code states, according to Chapter 15.06.013, Section 503.1.1.1 that "the fire apparatus roadway shall extend within 50 feet of at least 25 percent of the perimeter ofthe building." The existing fire apparatus

• roadway extends w1thin 50 feet of approximately 84 percent of the perimeter of the parking garage. See Exhibit 1 a,tta,cbed.

The Downtown Reqmond Link Extension project will construct light rail in a retained cut that passes along the southwest corner ofthe parking garage, cutting off fire access to the west side of the parking garage. In order to restore parkiIJ.g and fire access to the west side of the building, a new access point will be constructed. With the new access point, the revised fire apparatus roadway extends within 50 feet of approximately 66 percent ofthe parking garage. Modeled fire flow of 3,500 gpm meets City requirements for the garage and Microsoft Building SO. See Exhibit 2 attachec:l.

Central Puget Sourid Regional Transit Auttiority • Union.Station 401 S. Jackson St., Seattle, WA 98104-282.6 • Receptipn: (206) 398-5000 • FAX: (206) 398,5499 www.souRdtransit.org

CHAIR

Dave Somers S1u,h,1mi,'fih Cmm(\' Exer:11/iw•

VICE CHAIRS

Ron Lucas Steila,·011111 Mayor

John Marchione Red11u111t! .Ma_w11·

BOARD MEMBERS

Nancy Blicku.s A11b1/m Ma.1·11r

David Baker Ke11n1<JJ"l! !Yla_ror

Claudia Balducci Kin,i: Cqm.lly C,mndl~ut•mher

Dow Constl!lntine King Cm1111.1· Exei.:mire

Bruce Dammeier Pierce County Execmivc

Jenny Durkan Se,111/e Mayor

Dave Earnn·g E,/1111,11d, Ma_,·m·

Rob Johnson Se11itle Co1111ci/111e111her

Kent Keel ll11il'er.,·i1y Place Ma_w11·

Jo,e McDermott Ki11g <;11i111ty Cm111d/ Chair

Rc,ger Mil_lar Wasl,iu~ttl/l S1t.1ti! Secreturr

,~{Truii.\"[Jt1rtati,i1~ ·

Paul Roberts

kla_w1r Pnl Tein

Dave Upthegrove Ki1111 Cmmt_v Co1111d/111e111ha

Peter-vein Reichbauer King Cmmty C,nmdli~zember

Victoria Wi:>odards Tttc11111a Nlayor

CHIEF EXECUTIVE OFFICER

Peter M. Rogo,t

Tocid Short JulyJ6, 2018 Page 2

Should you have any questions, please don't hesitate to contact me at (206) 903-7486. Please sign below and return one of the enclos.ed originals - please keep the a:dditiomil copy for your records.

Sincerely,

DeWitt Jensen Corridor Design Manager, DRLE

Concurrence:

Todd Short, Fire Marshal City of Redmond

Attachments:

1 1/! o/z_oti Date

Exhibit I - Microsoft Bliiiding 50 Parking Garage Existing Fire Access Exhibit 2 - Microsoft Building 50 Parking Gara.gc Revised Fire Access

Enclosure (s): cc: Leonard McGhee (Project Manager, ST)

Tony Raben (Project Director, ST) St Documeni Control

Centrai Puget Sound Regional Transit Authority• Union Station 401 S. Jackson St, Seattle, WA 98104-2826 • Reception: (206) 398-5000 • FAX: (206) 398-5499 www.soundtransit.org

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T DOWNTOWN REDMOND LINK EXTENSION

·0 JO 15' 0 30 60

~ I SCAI.E IN FEET

SouNDTluWstr EXHIBIT 1 - MICROSOFT BUILDING 50 PARKING GARAGE EXISTING FIRE ACCESS

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T DOWNTOVVN:REDMOND LINK EXTENSION

-0 30 15 D JO

~ SCAI.E IN FEET

j

,05116/2018 SouNDliwlsJr EXHIBIT 2 -·MICROSOFT BUILDING 50' PARKiNG GARAGE'REVISED FIRE ACCESS

T SouMDTRANSIT

. )u.ncJ l ,2QT.8'

l\.fa11in Pa·s11.icha Poblit \V~;k~ Director C:ity ofR.~thm,nd 1sr,10 NE ss111 :sfrccr·. Redmqnq~ WA, 9~otf

Downtoll'n Redrnond Link.Extension. Letter·'of Concurrence .LOC I u l>RLI;::· Storm~·al~~.l>iscit~rg~.f~ the NE401ir Street Trunkline,

·Th~ pJ1rpqsc'<>fttlisletterifto s~¢k con.cufrcncefromthe City ofRcd,rionct:fo ·discharg~ storinwatei- runoff from the Downtown Redmond Link Extension D~(LE guidqw~y.t<ftb~ CJ~Y.o.t Be4mon~·s storif!t:vatertN•1klh1ein NE 4Qt11

Streeb

•m·e NE 401hStrcct frunklfrie ht\S beeri modeled to show that there is capacity to accept limi,tecl s~ormwclter. runoiT frQm the l)RLE ·gui.dewciy; The Ql,P~,elihg w~.s c,tjmpleted l,ly'Otak a:s:p.1rtof tb~ NE 40th Sti'eef.~tormwater Trunkline Extension Phase f Hydrologic'& Hydra"ulic Report, The .t,o'ilttibuting gµideway _are~ is id~ntffieq in t.hc:fin'al Qt~~ RepQrtcon:tp1¢ted Tor Redn1ona and shown in the attached Figure i. .

the conveyance system from th'e guideway to the trunkl1ne at the in~crscction of NE40,th Street and 1.Sli.th Avenu~.,NE mUstb¢ evalµc:1t~cl ~rid si?ed to m~i'rfage the.so year flow. The evaluati9n, completed:by the besign-Build Contrac;tor·sh~ll_. be prov,icl~d to th~ City e>f ~e<:i~oi1d for rev.ieW·and, .toncurrerit¢"privr· fo :co,risfruc:tipii;

,~h9µl<;I.. yo\1.h.:av.~ 4il)'question~~ j:>le~.sc don1 h¢sita.t~ t9 cQ1itacJ 111c.:ai (206}901-,7486: Please s'ign frelo,v·and rctufn one o(the enclosed ortgimils ~ please keep :th~ a4dit1on~I cQp)' (or yg1,11: records.: ·

CHAIR

. Dav,c Somers· .~~u~~o~r(.\·/1. ~~m(y.• l~,-'!Cu.11.~•.1f

Vice CHAt~.S

John Marcfdone lleiJm,,il.i/ Mil', rl/' ' ., ~-

Marilyn Strlckl11rid 7~u"tmUJ ,11a,rm~

BOARD fltEMBERS

Nancy Backus Air.I~,;.~ Mayol'

c·1a,udia Balduc:cl Ki_,~.i:t l.'(nmt:, l_iJµ,1t1,:lfmi:;f!1;,~~1:

Froq Butlei ls<Miqua!J ftfily1.w

Dow· Co115tonllnc:t · Kill~ <"rl.mtv /i:.i:.~:,llii'i!

Bruce l)ammelsr· P£c1'(,'t• (\}uf;l~l1 i:.\t?t'/1/ih"

0 Jenny Dui"kan

.',:°ei_..r°r~•' r~·lu1 (Jr

Dave Earling A\.imLliij,\. ~1(;0,i1'

Rob·.1011nson· ii'l';tltlt! .(.'.,]J!·ft1:J,IJ~!IIJ/1rrr

Kant Keel (Jjiit·r-r.~iw,J•tc~l-; Jtsi:~\p~: Pn.• Te.1t1

joe McDermott .J;.Ji1g,C.'~w;t),:b,ur,ril C/1111)·

Roger Millar IJ'1,1ifu'11gl•!.n State .',h:r;)iary

,f TYan~{Jt.~'li.Uion

. MaryMoss . . J .. .j.At'",·,,.,~J r;··mtii.,'ilr"Ji.Y1lrik"'r

Paul Ro!Mil'tll £1rr(~11 .:( 'l11.mcift1ic!:mhi:r

. Dave·Upthegi:ovc · ifirii, For4ru:,, emofi.:1lm~11rbc-:'.

P'eter voi, Rerchbauer Krr:g "~_lmiiJy (. 1-~.,,td,~~Jt!~Jji.1:t.~:1:

t:HreF EXECUTl\rE,OffiCER - . ,., .... - -:·'

Sli1cctcly;

De Witt Jensen Gprti<ipr·Ocsign ~fariager; ,P>~Lf,_. - -- -

Attachnwm§:' L Fig1,1ri: t

: -·I,· :,>

Concurrence:

Miirtiri Pa~ttit:ha; Pu blip Works Direct.or - . - .. -· .

qty of.,~edrnql'ld

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I .

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1. :. I Ciµidev_,iay r=:1 Proposed G!Jide~iiv Ar~a t~ Tn:inkli~e

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···--···········-·--·----···-·····--"-···-··· ... --.--------------

Flgure.1 . . Propos·e:c:I.Gliidew~y fo .Contnbute to NE•40th·St Trunkline bowntawn ,Redmond Uni(Extension

*• SOUNDTRANSIT

March 6th, 2019

Kristi Wilson Interim Director of Public Works City of Redmond l 5670 NE 85th Street Redmoncl, WA, 98073

Downtown Redmond Link Extension, Lett;er of Concurrence LOC 011 DRLE: Redmond Central Connector Trail and Stormwater Trunk Line from 164th Avenue to Bear Creek Trail, and Erratic Relocation

Purpose The purpose of this letter is to seek concurrence from the City of Redmond on the Redmond Central Connector (RCC) Trail alignment and stormwater relocation from 164th Avenue NE to the existingBear Creek Trail, relocation of the Erratic, and cost sharing for RCC corridor improvements.

Redmond Central Connector The City of Redmond has providedSound Transit a 30% trail alignment for the relocated trail alignment from 164th Avenue NE to the Bear Creek Trail (attached). The revised alignment has been incorporated into the civil sheets , of the RFP Conceptual Design Drawings. Atparcel no. 1225059019, it is assumed that the RCC corridor is 100' wide. If RCC right of way adjancent to this parcel is reduced, the City of Redmond and Sound Transit will reevaluate the trail alignment and property acquisition at that time.

City of Redmond also provided guidance to the Contractor for required finishing, bands, mixing zones, and other treatements per the RCC Design Guidance ( attached). . The Contractor shall use the following pavement depths west of 170th Ave NE to accommodate stormwater trunkline maintenance needs: - -

Pavement Type Material Asohalt 4.5'' HMA over 4" crushed rock Concrete 6" unreinforced concrete over 4" crusheci rock

Modifications to the 30% trail alignment may be suggested by the final design team based on changes to other disciplines such as; column locations, curb line adjustments, ot station design. Changes to the trail alignment must be approved by the City of Remond.

CHAIR

John Marchione Redmond Alayor

VICE CHAIRS

Ron Lucas Steilacoom Mayor

Paul Roberts Everel/ Council Pt-eside111i

Mc,yor Pro Tem

BOARD MEMBERS

Nancy Backus Auburn A/c,yor

David Baker Kenmore Mayor

Claudia Balducci King Comiry Counciimember

Dow Constantine Ki11g County £xec111fre

Bruce Dammeler Pierce'CoimO' £recu1il'e

Jen_ny Durkan Seal/le Mayor

Dave Earling Edmonds Mayor

Rob Johnson Seal/le Councilmember

Kent Keel U11frersily Place J\layor

Joe McDermott King County Council C/zair

Roger MIiiar IJTashillg1tm State Secretan1

o/Trompar1a1io11 ·

Dave Somers S11ohami,rh Co11111y E.~ecuiive

Dave Upthegrove Killg Coullly C01111cilmember

Peter von Reichbauer King County Co1111cilmember

Victoria Woodards Tacoma Mayor

CHIEF EXECUTIVE ,OFFICER

Peter M. Rogoff

Kristi Wilson Match 6th. 20i9 . .. . . . -- .. , --

Page 2

Stonnwater Trun~ Une The existing City of Redmond storrnwater trunk line will be. relocated due to station/ column impacts from164 th Avenue NE to the east end of the Downto\iVn RedillondStation, as well a$ where in conflict with the traction power substation,nearl70th Avenue NE. The cen~er of pipe of the reloc.ated storrnwater ttunkJine will be located at a minimum 10' from the edge of guidway shaft or sta,tion. building. Manhoies must be located within 10; from the edge ofthe Redmond Centra.l Connector trail, <ihd where possible wHI'not be located within the trail.

The City's sta.ndard is no increase jn HGL .. As part of PE, the City reVIewed the reference design (see attachment) am:! found it to be an acceptc1.ble d1:?sign.solt1tio11With a small increase 1n HGL. The de.sign builder will have to apply fora deviation ihhe standard ca.nnot be rnet in 'final design.

Similar to the RCC trail alignment at parcel.no. l42SOS9QJ9,the stormwater trunkaligru:nentmay be tecortstdered hy·Sound Transit and City of Redmond ~holilQ right"oJ-way n()tt,e avajiaplei ·

Erratic Relocation The. City .owns a.rt art plete:called the<Erra.tic;Iocated near the southwest corner ofl66th Ave NEa11ci Cleveland St The a.rt must be relocated beca.use its tuttertdocation conflicts with the dmceptual design~ for the Powntown Redmond station area.,'the City and Sound Trii'nsit agree thatthe Erratic wJII be r:¢locgted to Gilrnan.Lllnding consistent with the attached. c:onceptua1 drawiil'gs. The City agrees tQ cond,uct tlie site pn:!pc1r:atior1 a11d reloc;c1tion work uni;ler separate tontrac:tts) so thatthe ~rratic is removeci from its existing lm;~tion by Mar,ch 31, 2020. . ,

Funding of,RCC·Corridorimprovements Slibjectto CityCounciLand Sound Transit Board approval; City and SouridTransit.staJfl:l.ave agreecl to share in the funding ofRCC ctittidot improvements as follows:

• Sound, Transit will pay the Cityto relocate the Erratic and complete site preparation at Gilman Landing (finish design, perrhjtting, construction) in the amount of $576,300.

• Sound Transit will take full funding responsibility for RCCelements west of 166th

• Sound Transitwill tal<e full funding responsibility for signal improvements at Cleaveland/166th

• Sound Transit wiH take full funding responsibility for RCC c:orridor landscaping, and will be allowed to co~nt this as part of the tree mitigation plan · ·

• The City andSouiid Transit will evenly split funding responsibility for all other RCC eleme.nts east of 166th, including but not limited to:

o The trailitse.lf, including appropriate pavement depths to support storinwater · maintenance requirements

.o Brc1ids/ties/benches o Lc1nd.ings (apart from land.scaping) o Conc':luit · · ··

b Ligh.tirig o Any additional right-of.,way costs at tI:ie SE corner of:I,66t}J J\.ye NE c1nci Cleveland St o Storm watermanagement facilities specifically required for the RC:G trail (Qioswales,

raingardens, etc.)

Kristi Wilson March 6th, 20 I 9 Page 3

Should you have any questions, please don't hesitate to contact me at (206) 398-5171. Please sign below arid return one of the enclosed originals - please keep the additional copy for your records;

Sincerely,

-µ Tony Rab n , Executive Project Director, DRLE

Concurrence:

Kristi Wilson, Interim Director of Public Works

City of Redmond

Attachments:

RCC Design Guidance drawings Gilman Landing Conceptual drawings PE StonJiwater Trunkluw design

Enclosure (s): cc: Leonard McGhee (Project Manager, sn

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REDMOND ST LANDSCAPE DETAILS

AuQust 2018

PROJECT NO.

xxxxxx SHEET: OF:

08 14 ORAWING NO.

LD-00

5

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REDMOND ST LANDSCAPE DETAILS

Auqust 2018

PROJECT NO. xxxxxx

SHEET: OF:

09 14 DRAWING NO.

LD-01

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REDMOND ST LANDSCAPE DETAILS

Auoust 201'8

PROJECT NO. xxxxxx

SHEET: OF:

10 14 DRAWING NO.

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REDMOND S1 LANDSCAPE DETAILS

Auqust 2018

PROJECT NO.

xxxxxx SHEO: OF:

11 14 DRAWING NO.

LD-03

~ ' .

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REDMOND SIT" LANDSCAPE DETAILS

AuQust 2018

PROJECT NO. xxxxxx

, SHEET: OF,

12 1,4 DRAWING NO.

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BENCH AND LIGHTING NOTES

1 SUB~T SHOP DRAWINGS FOR BENCH AND LIGHTING DETAILS PRIOR TO MOCK UP. MOCK-I.JP OF ONE BENCH FOR APPROVAL PRICR TO eot.fl.ETE INSTALLATION. SHOP DRAWINGS SHAU. St-KJW FINAL LAYOUT OF AU. BENCH APPUCATIONS, LIGHTING APPLICATIONS, AND BENCH ·WRAP" APPUCATIONS WITH DIMENSlct-lS, ~TERIAI..S, HARDWAAE, AND WOOD EM) SEAi.ANT

2. SUBMIT MATERtAL APPROVAL FOR WITH SHOP DRAWINGS FOR 2.1. IPE WOOD ELEMENTS ANO FSC CERTIFICATION 2 2 LIGHT FIXTURE 2 3 ELECTRICAL BOXES ABC.NE GRADE 2 4 Ali' FASTENERS AND HARDWARE (LIGHTING ANO WOOD) 2.5 All. B.ECTRICAI.. EQUIPMENT. TRANSFORMER, ETC.

3. END GRAIN AND BOARD CUPPING Pl.ACB.ENT SHALL BE DONE TO REOU:::E VISUAL IMPACT OF WIVIPING (FACE DOWN)

4 ALL HARDWARE TOBESTAINLESSSTEEL/SOUAAE DRIVEOA TAMPER PROOF

,5. ALL IPE SCREW/ FASTENING TO BE PRE-DRILl.EO AND COUNTERSUNK FLUSH.

6 SEAL ANO WAA ENO OF GRAIN OF IPE WITH NATURAL WAA PER ..w.lUFACTURERS RECOM'-1:NOATIONS WITHIN 4 HOURS.OF cur ANO EXPOSURE Of ENO GRAIN

7. ALL WOOD SURFACES SHAU BE SANDfDSMOOTHTOFIEMOVE ROUGH SURFACES, a.EAR OF SPLINTERS, CRACKS, OR DEFORMATIONS IN WOOD.

8 All WOOD NOT DIMENSIONED ON PLAN ARE NOMINAL IN SIZE REQUEST CI..ARjFICATION lF NEEDED

9 All IPE HARDV\ICK)() SHALL BE FSC CERTIFIED WITH PROPER CHAIN-Of-HANDIJNG SUBMITTAL PROVIDED

10 STANDARDPROJECTSKATESTOPSSHALLBE USED, NO SPECIAL Sl<ATEST~FORTHEWCK)() BENOI, lNSTAl.l. PER DETAIL LOCATION DETERMINED BY I..Al',IDSCAPE ARCHITECT PfR SPEOACATIONS

REDMOND ST LANDSCAPE DE1J"AILS

PROJECT NO. xxxxxx

j

AuQust 20,18

SHEET, OF:

13 14 DRAWING NO.

LD-05

REMQVEut{TREATEOBUFlt..AP FflOUTOP11JOFROOT8AJ..i. REMOVE TREATED BURLAP OR WIRE BASKETS COMPLETaY.

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21 DO NOTHEAVLY PRUNE THE TREE ATPI..ANTliG. PRLINE Ot&.Y lf'ONAPPRO\/N.. OF Etl~EERlANOSCAPEARCHITECT, CF!OSSOVEA LIMBS, CQ-OOMlfW,IT l£AOERS. ANO BflOl(,fN OR OEAO BRMIOES SOME IN1ERlOfl 'IWlGS-.NOLATERAI. BRANCHES MAY !£ PRUNB>; tiCM'EVER, 00 NOT REUOVE THE TEJtleW. 8L.OSOF BRAHCHES TKA.T 8CTEt<I lO THE EDGE Of THECSOWN

3. REl'ER TO SPECFICATl()f,I a-02FOR RJRTI-IER H'OAlitAOONON AU. El.EMENTSNOTFWY OESCRIBEOINOEfAIL.lSOVE

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AuQust 201i8

PROJECT NO.

·xxxxxx SHEET: OF:

14 14 ORAWtNG NO.

LD-06

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1iProperty Information !LO.O COVERSHEET

u.o SITE PLAN

TaxParcel Number 112505-9146 L2.0 GRADING:PLAN

Legal Description

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Contacts l:Name

Guy Michaelsen

Matt Martenson

Dave Tuchek

Laurie-Pfarr

1PCL 1 REDMOND BLA L3.1 DETAILS #L080129REC #20080807900001 SD:BLA L3.2 DETAILS

·BEiNG LOTS 1 THAU 4 L4.0 PLANTING PLAN !BLOCK 1 TOWN OF :

'REDMOND ADD TGW POR·BN' L5.5 IRRIGATION PLAN ~ _!!l

,FORMERLY NP RR R/W OVER STORMWATER ·E 1/2 OF N_E 1/4 OF NE 1/4 ·C1.0 POLLUTION STA 11-25-05 PREVENTION PLAN

Rcile Organization Phone iEmail -,Landscape Berger

(206) 325-6877 guym@bergerpartnership.com Architect ,Partnership

!Landscape Architect [Berger

(206) 325-6877 mattm@bergerparnership.com Project :Partnership Manager

Park Operations Manager/ City of (425) 556-2318 -dtuchek@redmond.gov Owner Redmond Construction -Contact

:ci1al LPD (206) 725-1211 :info@lpdengineering.com

iEngineer Engineering

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*• SOUNDTRANSIT

November 8th, 2018

Todd Short, Fire Marshal Redmond Fire Department, Fire Prevention Division City of Redmond 15670 NE 85th Street Redmond, WA, 98073

DowntQwn Redmond Link Extension, Letter of Concurrence LOC 012 DRLE: Emergency Fire Deparment Access Points

Sound Transit requests concurrence for the following location.s dedicated to emergency responder access to the Link Light Rail guideway. Such access will meet or exceed the requirements of the 2017 Edition ofNFPA 130, Standard for Fixed Guideway Transit and Passenger Rail Systems.

Code Requirement - NFPA 130 Section 6.4.1.6: Access to the elevated trainway shall be from stations or by

mobile ladder equipment from roadways adjacent to the trackway.

Section 6.4.1.7: If no adjc:icent or crossing roadways exist for the elevated trainway, access roads at a maximum of 2,500-foot intervals shall be required,

Section 6.4.1.8: Where the configuration of an open-cut trainway prevents or impedes access for firefighting, provisions shall be made to permit fire fighter access to that section of trainway at intervals not exceeding 2,500 feet

Purpose

The purpose of this letter is to seek concurrence from City of Redmond Fire I

Department for the access locations to be used by Fire Deparment vehicles during emergencies along the DRLE corridor as shown in the attached Emergency Access drawings.

Sound Transit proposes two classes of emergency responder access points. Primary emergency access points onto the guideway will include removable guardrail chains, operable gates or sliding acoustic panels, an Emergency Telephone (ETEL), warning signage and standardized "FD ACCESS" signage. Secondary access points are identified to assist emergency responders with additional access points that may require groundset ladders, aerial ladders ot cutting through security fencing for trainway access. NFPA 130 access

CHAIR

Dave Somers Snohomish Cmmty Exec11tii-e

VICE CHAIRS

John Marchione Redmond Mayor

Marilyn Strickland · Tamma Mayor

BOARD MEMBERS

Nancy Backus A11h11111Mayor

Claudia Balducci Kill11 Comi(v Cmmcilmemher

Fred Butler l.m1q11ah Mayor

Dow Constantine Ki1111 Co1111~• £remtfre

Bruce Dammeier Pierce Cmm~• £recmfre

Jenny Durkan Seattle Mayor

Dave Earling &lm,md., Mayo.,

Rob Johnson Seattle Cmmcilmemher -

Kent Keel U11il'ersity Place Ma.w,r PmTem

Joe McDermott Ki1111 Coimty Cmmcil Chair

Roger Mi.liar iVo.,·hing1011 State Secrelt1ry

o/Tra11:,pohaii,m

Mary Moss Lakewood Cm111ci/111e111her

Paul Roberts E,·erett Counc·ilmember

Dave Upthegrove Ki11g C111111ty Cm111ci/111e111ber

Peter von Relchbauer King County Cound/111e111ber

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

*• SOUNDTRANSIT requirements are satisfied with the location and spacing of primary access points.

The attached Emergency Access drawings also indicates the extent of fire protection standpipes, locations of fire department conne.ctions and new or existing hydrants alongthe alignment through the Redmond Fire Department jurisdiction.

Fire Department access to all emergency access points is defined in Table 1. Final locations of emergency access points shall be coordinated With fire department connections (FDC) for the fire standpipe.

Table 1: Primary Access Points

!No. Aproxirnate Location Station Access Type

1. NE 45th Street 5007+93 At grade

2. NE 51st Street 5023+18 Stairs

3. NE 60th Street 5045+20 At grade

4. NE 65th Street 5062+50 Stairs

5. West Lake Sammamish Parkway 5077+70 Elevated Track Gate

6. Marymoor Park (From SR520) 5099+80 At grade

7. SR520 8. SR202 interchange• 5131+90 At grade 8. 170th Ave NE 5147+71 Elevated Track Gate

*Daisy chain locking systern will be provided at the access gate under SR520

Depending on the actual grade separation .of guideway and access point grades, Table z provides the requirements for the final access point location details, based on actual field conditions. The final design of all access points is subjectto Redmond Fire Department review and approv~I.

'

Table 2: Access Point Options

Access Type Grade Difference Access Details

At Grade +/-5 feet Provide concrete steps between grades to a level equal with the top of finished trackway grade or top of ballast, provide 44-inch-wide gate in fence or door in noise wall, provide Knox box, provide access point sign.

Stair Guideway over 5 feet below Provide concrete stairs, provide concrete landing space at bottom of grade or over 5 feet above stairs large enough to c!llow fire fighters to be off the stairs before gra_de and c1t a station of entering the guideway, provide chain across bounclary between bottom special trackwork landing and trainway, provide 44-inch-wide gate in fence or door in noise

wan, provide Knox box, provide access point sign.

Elevated track Guideway over 5 feet above Provide chain gate in elevated guideway safety railing, provide acce_ss gate adjacent j;jrade point sign.

Page 2 of 4

*• SOUNDTRANSIT

Should you h~ve any questions, please don't hesitate to contact me at (206) 903-7486. Please sign below and return one of the enclosed originals - please' keep the additional copy for your records.

Sincerely,

f).R. W.dl: ~ DeWitt Jensen Corridor Design Manager, DRLE

Attachments: I. Drawings showing Emergency Access Points

Concurrence:

-~ //

1 u/19/;f j. •

Todd Short, Fire Marshc!I City of Redmond

cc: Leonard McGhee (Project Manager, ST) Tony Raben (Project Director, ST) ST Document Conttot'

Date

Jimmy Lassiter (ST DECM ) Marina Vallejo (ST DECM ) Liz Beigle Bryant (ST SQA)

Page 3 of 4

*• SOUNDTRANSIT

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Page 4 of4

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00 r-t--;I I Parametrlx FIRE ACCESS LOCATIONS ~~ -··-••- EXISTINGWSDOTRIGHT-Of-WAY - ACCESSPOINT SCALEINFEET fWG .. m,..-.-,.,_._...,l<G.f'h';lt()I0.1t:NTlJ.soa,cn SouND'DIANsn' ~·~ ({ EXISTING FIRE HYDRANT ~....,....,....,...,. i,,L-____________________ ....._ _______ ....._ _______ ...._ ___ ___._ _________________________ __. SHEET30F 3

*• SOUNDTRANSIT

January 14~h. 2019

Kristi Wilson Interim Director of Public Works City of Redmond 15670 :NE 85 th Street RedmoDcl, WA; 98073

Downtown Redmond Link Ii:~~nsi()n, Lettt?r of Concurrence LOC 14 DRLE: Stormwater CFC Charge

Purpose

The purpose of this letter is to seek concurrence from the City of Redmond of Sound Transit's estimate of the maximum amount the Downtown Redmond Link Extensio_n project will be charged for the Stormwater Capital Facilitie.s Charges (CFC). Sound Transit has made the following assumptions to calculate these fees:

• Stormwater CFC fees effective 7/11/2018 (Attachment 1) are used in this calculation. It is assumed that these fees will not be increased before the fees are p,ticl for this project. (There is no guarantee that the City will not increase the fees before t_hey are paid, but if fees are scheduled to be increased, notice will be provided, and fees may be paid early.)

o. The areas that may be assessed fees for the Citywide CFC and Downtown CFC ate shown on Attachment 2.

a The guideway area between NE 40th Street and the SE Redinorid station area is not st1bject to the Citywide CFC.

a Hard smfaces within the contiguous area of the SE Redqiogd station area, including the guide-Way, are subject to the Citywide CFC.

o The guideway area between the SE Redmond station area and Bear Creek is not subject to the Citywide CFC.

o The guideway area within the Downtown railroad corrid,or (west of Bear Creek) is not subject to the Citywide CFC, but is su_bject to the Downtown CFC.

• Pervious areas are not st1bject to the Citywide CFC or the Downtown CFC.

• The Redmond Cent_nd Connector (RCC) trail paid fees at the time of its original constmction, and fees for those surfaces are not required to be paid a second time. Some of the RCC trail areas are infiltrated and received a credit for their fees when they were paid. For the purpose of this calculation, it is ass1.u:ned that the RCC trail will be reconstructed with an equivlllen.t l:lmount ofhard surface and infiltration.

CHAIR

John Marchione RediwmJ MLl_\'flr

VICE CHAIRS

Roh Lucas Stt.'illlt.·,1,1111/.,l,t_\•r,1'.

Paul Roberts En•r,•tl Cmmcil Pre.,idt<11/I

Mawir Pm frrn

BOARD MEMBERS

Nancy Backus lwlmni Mt1yor

David Baker Kenmun: 1\ftiyor

Claudia Balducci Ki11:~ Cbuia)i C,wm·i/11u:111hrr

Dow Constantine Ki,.,g C,,w1ty Erecuti1·e.·

Bruce Dammeier Pierce C111111trEr1•cmil'e

Jenny Durkan Sealf!t• :\llayor

i>ave Earling Edmonds Altlyor

Rob Johnson · Se.tiltlt! Cmnu:ilmt•mhel

Kent Keel l!11ifrr.vit)' Place /1/avor

Joe McDermott· Ki11g .C,i11111y C111i11t'i/ Chair

Roger Millar \\ia.,·hi,JMh>II State Secn·1c1r,•

,ltrail/ip,in(1(ion ·

Dave Somers Sn,,Jwmish C,nill,Y Eret·mive

Dave Upthegrove Ki1tg C,11111ty C,,,i11ci/u1e111bei·

Peter vein Reichbauer King c,~to~ty Cmmcilint!niher

Victoria Woodards Tacm11~1 i\l,y;tr

CHIEF.EXECUTIVE OFFICER

Peter M, Rogoff

o Although the Downtown CFC includes optional credits for areas that are infiltrated, this calculation has assumed ho infiltration. The design: build contractor may choose to include infiltration in their final design to t_ake advantage of the optional credits.

Table 1 below shows the maximu_m estimated amount that the design. bt1Uderwill need to pay in Stormwater Capital Facilities Charge fees forthe project.

Table 1: Stormwater CFC Fee

Total Pervious RCC.

New/Replaced Downtown Trail Impervious Citywide

Contiguous Area Area

Impervious Units CFC($)

Subbasin Area (SF) (SF)

(SF) Arei':i (SF) CFC($)

Fee($)

SE 285,985 90,305 N/A 195,680. 97;8 1,342 N/A 131;247;60

Redmond

Downtown 291,155 95,730 48,495 146,930 73_.4 N/A 438,858.60

Redmond 5,979.00

Total CFC Fee $570,106.20

Fees may be higher than this estimate if: • the amount of hatd surface for the project is higher than assumed in this calculation; or • if th·e amount of infiltration actually provided for the RCC traii is lower than assumed; or • if there is a City code change that increases the fees before the fees ate paid.

Should you have any questions, please don't hesitate to contact me at (206) 398-5171. Please sign below and return one of the enclosed originals-' please keep the additional copy fot your records.

::;ily, ~ To~ Executive Projec~ Director, DRLE

Attachments: L Stotmwater CFC Areas Exhibits 2. COR Stormwater Capitial Facilities Charge

~ I 1ft7ft9 A Date

f, ,r Kristi Wilson, Interim Director of Public Works City of Redmond

Enclosure.(s): cc: l.,eonard M.cGhec (Prcij(ict Milriagcr, ST)

ST Document Control

• For questions please cont~ct l)evelopment Engineering at 425-556-2876 or DevelopmentEngineering@redmond.gov. o Stormwater CFCs are due at the time of permit is~ua.t:tce for permits that allow creation of 200 SF or more. of new or replaced

impervious surfaces (civil approval, building permit, short plat approval, plat approval, etc.). Stormwater CFCs may be paid early if the applicant prefers.

• Stor111water CFCs only need fo ~e paid once, however most parcels have not redeveloped since the fees were created so have not paid the Stormwater CFC. For parcels that have paid Stormwater CFCs b.efore, arta.Iysis is required to deterinine what impervious areas were j>aid for pr~viously, aod if additional fees will be owed for the current project based upon that information.

• Citywide Stormwater CFCs apply to the porti<>ns of p11blic and private projects that are located on parcels. o Overtake and Downtown subbasin CFCs are in addition to Citywide Stormwater CFCs and apply to the portions of public and private

projects in both parcels and rights-of0 w~y that are located within the respective subbasins that are shown in the Stormwater Technical Notebook, and generally shown below.

How to calculate fees: Step l: Determine the amount of new or replaced impervious area, in square feet. Step 2: Divide the impervious area by 2000 square feet, to get "impervious units". Step 3: Truncate the number of impervious units to the nearest tenth. (Truncated 85.59 = 85,5) Step 4: Petermine if any of the impervious units are designed to be fully infiltrated. The drainage report for the project must

document that the area was designed for full infiltration. Those are "fully infiltrated impervious units;\ Step 5: Citywide fee= (impervious units) * (Citywide CFC)

Overlake fee= [ (total impervious units) - (0.8 * fully infiltrated impervious units) ] • (Overlake CFC) Downtown fee= [ (total impervious units)- (0.8 • fully infiltrated impervious units)) * (Downtown CFC)

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Citywide CFC $958.00 $1,342.00

·Downtown $5,435.00 $5,979.00

subbasin CFC

Ovedake subbasin $8,539.()0 $10,929.00

CFC

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Ordinance No. 2921 R,HC 13:20 S bba\in l !

Attachment I Downto\vn Redmond Link Extension

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ATTACHMENT 2 STORMWATER CAPITAL FACILITIES CHARGE (CFC) DOWNTOWN·REDMOND (SHEET 3 OF 3) DOWNTOWN REDMOND LINK EXTENSION

*a7' SOUNDTRANSIT

Martin Pastucha Director of Public Works City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC iS DRLE: NE 70th Street & 173rdAvenue NE Cross Sectfons, 173rd Avenue NE Horizontal Curve Design Speed, and Street Vacation/Property Acquisition

Purpose

The purpose of this lettet is to seek concurrence from the City of Redmond on: 1. The proposed cross sections for NE 70th Street and 173rd A venue NE 2. The proposed ciesign speed for the horizontal curve from NE 70th Street

to I 73rd Avenue NE 3. The scope of work for a traffic island at the intersection of NE 67th St.

and 173rd Ave. NE. 4. The amount of right-of-way required for the above street improvements

Roadway Cross Section.$

There are four different proposed cross sections for NE 70th Street and one proposed cross section for 173rd A venue NE, as the sections for each differ at certain points along the roadway. The details of the width of the roadway, sidewaiks, buffers, bicycle facilities, and biofiltration swales were determined in coordination with the City of Redmond. See Attachment 1 for these proposed cross sections. the City provisionally concurs with Cross Section 1 for the north side of NE 70th St. If additional ROW must be acquired due to Redmond Way-NE 70th St. intersection design, then the City a_nd Sound Transit will revisit the cross section with the goal of meeting Type 1 Street standards in Redmond Zoning Code Appendix 8A.

Horizontal Curv~tqre an_d Oesign Speed

Sou_nd Transit will be constructing NE 70th Street and 173rd A venue NE, near the proposed Southeast R~dmonci Station. A horizontal curve will be present in the roadway, where these two new roadways connect. Consistent witll the Technical Committee decision on July 18, 2018 date, the design speed for th.is horiZoM.al curve shall be 25 mph, With a 200-foot radius to meet the requirements ofRZC Appendix 2 - Construction Specification and Design Standards for Streets and Access, Table 4. At tbis location, it is desirable to use a slower design speed with a smaller horizontal curve to reduce the adjacent property impacts and maximize

)

CHAIR

Dave Somers S11,,/io111iih C,iwity Ereciitii'e

VICECHAJRS

Ron Lucas Steilacoom Mayor

John Marchione Retlm,md Ma.w,r

BOARD MEMBERS

Nancy Backus A11bl1r11 Mi1yiir

David Baker Ke1f111ore. Ma.,•,,r

Claudia !3aldµcci Ki1ig·C1mii1:v Coitm:ili11emher

Dow Con9ti!ntine K_i11 I! Co11111y E.rec:111 ire

Bruce D_ammeier Pierc:e Co-1111ty £recuti,·t~

Jenny Durkan Seal/le Mayor

Dav1:1 Earling &/1110111/., Mayor

Rob Johnson SeUltle Ci!lt11iH111emhd

Kent Keel U11il'ersi1v· Place May,,r

Joe McDermott Kii1g Co11111_v Cmmdl Chair

Roger MilJar \VaJhingwn Stale Secretctry

r,fTnm.\7,,,rtt1tio11'

Paul Roberts El'ere/1 Co1111cil Presiile111/

Ma_1·or Pm Tem

Dave Upthegrove Ki11g Coiwty C,m1it·il1(Jim1l~t.fr

Peter van Reichbauer Kinn C1111111y Cm111dhi1e111ber

Victoria Woodards Tac,ima Mayor

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Martin Pastucha November 13, 2018 Page 2

(

the remaining amount of property for alternative potential uses. In addition, tile Sou_theast Redmond station drop-off is near the horizontal curve. A reduced horizontal curve will slow usc:rs .~ they approach this high pedestdart volume area. The City will use adopted engineering standards to determine the appropriate posted speed for the horizontal cllrve.

Right-of-Way Required

Due to the station footprint, NE 70th Street Will be realigned, and part of the existing street right-of-way will be vacated. In addition, the project will acquire new right-of-way with partial street improvem~nts to NE 70th St. and construction of part of a new road, l 73rd A venue NE. See cross sections in Attachme11t 1 for extent of street improvements. With the construction of NE 70th Street and l 73rd A venue NE, there will be: p<lrtial permanent acquisition of adjacent properties.

Table l below shows prope1ty impacts resulting from the new ai:icl realigned streets. See Attachment 2 for a graphic of these areas.

Table 1-lmpact Areas to Parcels along NE 7(Y'• Street and 173rd Avenue NE

Sound.Transft Parcel No. Proposed Cr9ss Section(s) Impact Area R/WNo. (Tax.Account No.) SQ .. Ft. -

RL175 1225059041 NE 70th Street Ctos.s Section 2 297

RL172 3066100020 NE 70th Street Cross Section-2 3,358

RLI7I 1225059265 NE 7Qlh St.reel Cross Section 2 15,395

RLI70 - ··-

1225059229 NE 70th Street Cross Section 2 3,052

RLI69 1225059194 NE 70th Street Cross Section 3 113 .. -

RLl66 1225059102 NE 70th Street Cross Section 3 1,963

RLi60' 1225059187 NE 70th Street Cross Section 4 8,767

RLl57 5195500140 l 73rd Avenue NE Cross Section l 30

RLl56 1225059042 173rd Avenue NE Cross Section I 7,127

RLJ55 5195500170 173rd Avenue NE Cross Section I 10,049

RL 173 and RL i 74 are excluaed because the design of the Redmond Way-NE 70th St. intersection has not settled and may change the required ROW amount. ~

173rd Ave NE and NE 67th St Intersection

Sound Transit will cpnsu-uct a tntGk"'mouhtable temporary traffic circle at the intersection of l 73rd A venue NE and NE 67th St with raised pavement markers and asphalt. The mountable curb will use WSDOT Standard Plan F-10.62 unless otherwise approved by the City. Sound Transit will also be responsible for taisng any manholes, castings, monuments or other infrastructure that the traffic circle goes over, and for providing any associated warning or regulatory signage ori the approaches to the traffic.circle. The scope excludes· improvements tp pavement and drainage except for repairs to a:ny damage caused by Sound Transit during construction.

Martin Pastucha November 13, 2018 Page 3

Should you have any questions, please don't hesitaJe to c;onta,tt me at (206) 903-7486. Please sign below and return one of the enclosed originals - plea;~e ~eep the additional copy fotyoot records.

Sincerely,

DeWitt Jensen CorrigoJ Design Manager, DRLE

Concurrence:

Martin Pastucha, Director of Public Works City of Redmond

Attachments: I. Southeast Redmond Street Cross Sections 2. Impact Areas to Parcels along N_E 70th St & I 73rd Ave NE

Enclosure (s): cc: Leonard McGhce (Project.Manager, ST)

Tony Raben (Project Director, ST) ST Docu'menl Control

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6- ATTACHMENT 1, - SOUTiiEAST REDMOND STREET CROSS SECTIONS (SHEET.1 OF 2)

~ I SamdMlllrr DOWNTOWN REDMOND LlNK EXTENSION I

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PLAZA AND STREET FOR ADA PURPOSES

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-VARIATIONS TO THE CONFIGURATION OF ELEMENTS ON THE NORTH SIDE Of THE ROADWAY MAY CHANGE IN FINAL DESIGN WITH APPROVAL FROM THE CITY OF REDMOND

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Ilg. ATTACHMENT 1

NOTE: FRANCHISE AND DRY UTIUTIES ARE TO BE LOCATED INSIDE STREET RIGHT OF WAY •

- SOUTHEAST REDMOND·STREET CROSS SECTIONS (SHEET 2 OF 2) • 5icumJlwmr DOWNTOWN REDMOND LINK EXTENSION ~ ..... ____________________________________________________________________________________ ..

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10/04/18

FEE ACQUISrJ;ION AREA

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·-=-• ATTACHMENT 2

5ouND1lwlSII' IMPACT AREAS TO PARCELS ALONG NE 70TH ST & 173RD AVE NE (SHEET 2 OF2) DOWNil'OWN, REDMOND,LINK'EXTENSION

*• SOUNDTRANSIT

February'27th, 2019

Kristi WHs91.1 Interim Director of Public Works City ofRed.mond 15670 NE 85th Street Redrriofid, WA, 98073

D9wntow1_1 l{e(Jn)o;rtd Link Extension, Letter of Concurrence LOC 16 DRLE: NE 51st Street Utility Betterments & CFD Project No. 2 Interface

P111;po,5e

The purpose of this letter is to seek concurrence frtim the City of Redmond for the NE 51 st Street utility betterments and tile interface between the Downtown Red_rriond Link Extension project and the City Qf Redmond's CFO Project No. 2 - NE 51 st Street Improvements project. ·

NE 51st Street Utility Betterments

The Downtown Redmond Link Extension project will add an additional 175 feet of 12" watetniain along With required appurtenances (tees, valves, etc.) to support the installation of a new 8" PRV station and vault for the City of Redmond. The new W' PRV stat.ion will replace the existing PRV station located along the northern side of NE 51st St., approxim.ately 210 feet east of the NE 51st St./SR 520 on/off-tamp intersection .. This work will also include the installation of a new fire hydrant and lateral to help in. set up and testing of the new 8" PRV station. The c:cmtractor shall install the PRV vault top elevation to match the grade of the sidewalk_ and install a. gravi_ty drai.n to the swale north of the PRV. Last, the DRLE Contractor wiH remove the existing PRV station, and vault, then dispose of them as directed by the City of Redmond; this work will also include filiing the existing 8" watet main with CDP for abandonment by City of Reel.mood sta.ndatd.s. The qOantities for this betterment work are listed below,

o 175' 12'' main • 110' 8" main for PRV • 25' 6" m.tin fat FH • 1 8" PRV and vault per standard details 708, 709A; 709B; 710A, and

710B GI l FH • 2 8" Gate Valves GI 2 12" Gate Valves • 1 6" Gate Valve o 2 cy yds CDF fQr 8" pipe ~ba,nclonment • R.emovaJ a,nd &;pose of existing 8'' PRV

CHAIR John Marchione

Re,l111011d Mayor

v,c·E CHAIRS

Kent Keel U11ireni1y Place Mt1_mr

Paul R.oberts Evt!rell Cu1111dlmemher

BOARD MEMBERS

Nancy 13acku.s Auh11m ~fayor

David Baker Kenmore !,layor

Claudi_a Balducci King Cowl/_\' C01111ci/ \lir:e Chair

Dow Constantirie King Cotm/_\' £rec111il-e

Bruce Dammeier Picr.-e CowllY Eiecutil'e

Jenny Durkan Se4111/e Mllw>r

Dave Earling Etlmands ittt.wir

Rob Johnson Se,111/e Cmm1.:i/me111he1;

Joe McDermott King Coumy Cm1.11d/111e111ber

RogerMiilar Wmhi11gto11 State Secreltlrv

ofTrttmpona1io11 ·

Kim Roscoe ,· Fife M11yor

Dave Somers S1whoi11ish Cmmty Etecutive

Dave Upthegrove Kini( Ciu1111y Cm111d/111e111ber

Peter von Reichbauer King County Cmmci/member

victoria Woodards ·Tacoma Mt1y11r

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Kristi Wilson February 27th, 2019 Page2

CFO Proje.ct No. 2- NE 51st Street Improvements

The City of Redmond is in the design phase of the CFD Project No. 2 "'- NE 51 st Street Improvements project which improves the roadway, sidewalks, cutb radii, curb ramps, traffic signal, illumination~ utilities; and drainage along NE 5 l st St.reet at anc:J near the intetsec.ticm of NE 51 SI Street and the SR 520 on/off-ramps. The Design-Builder will complete llie work shown in the Downtown Redmond Link Extension drawings with concurrence from. the City of Redmond. See Attachment 1 for the description of work to be done by S.olind transit and the City of Red01ond. The City of Redmond is responsible for completion of their street improvement project up to the_ interchange ramp terminals. The City of Redrp.ond expects to go to construction in summer 2019, wtth an anticipflted c:ompletion of fall 2020.

To facilitate completion of the portion of the City's project at the interface with Sound Tnmsit's project prior to Sound Transit's work beginning at the interface, the City agrees to the following:

• Wotk in good faith to advertise their project for bid QY April 2019. o. Include provisions in their 51 st St construction contract, such as milestones, liquidated clamages, or

other constraints, that will facilitate substantial completion of work at the interface by July 202Q. • Each month following NTP of the City's CFO Project No. 2, the City will assess the likeliness of

substantially completing the work at the Sotind Transit interface by July 2020 and take corrective action, if necessary, tQ .ensure the milestone is met.

• In the e_yent the City's project work at the interface is not completed by July 2020 or when Sound Transit's contractor desires to begin wotk, whic;hever is later, the City will work with ST to identify options to minimize cost or other i1_11pacts to Soqnd J'ransit\s project.

The re.construction of the interchange ramp terminal intersection will be completed by Sound Transit using the design concept provided by the City;s 90% design submittal of 51 st.Should you have any questions, please qon't hesftate to contact me at (206) 398-5171. Please sign below a_nd tet!]rn one of the enclosed origi@ls - plea;se keep the aqditional copy for your records. ·

Sincerely,

~/2 Executive Project Director, DRLE

Attachments: l. NE SI st Street Improvements

Concurrence: ·

~ W l \~ , S\\\\j D.ate

Kristi Wilson, Interim Director of Public W9rk.s City of Redmond

Enclqsure (s): cc: STDocumeilt Controi

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LEGEND WORK DONE: BY CITY OF'REDMOND

WORK DONEtBY SOUND TRANSIT

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WORK DONE BY SOUND TRANSIT, PAID FOR•BY CITY OF REDMOND

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T ATTACHMENT 1 NE 51ST ST IMPROVEMENTS

SollMJlirANslr DOWNTOWN'REDMOND LINK EXTENSION

*,7 SOUNDTRANSIT

February 5th, 2019

Kristi Wilson Interim Director of Public Works City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 17 DRLE: NE 70th Street & Redmond Way (SR 202) Betterment and Right of Way {ROW) Acquisition & Schedule

Purpose

The City of Redmond· requests that Sound Transit construct, as a betterment; an additional northbound left tum lane at the intersection of Redmond Way and NE 70th Street. The purpose of this letter is to seek concurrence from the City of Redmond on the funding responsibility, civil improvements, and right-of-way (ROW) acquisition associated with this betterment

Redmond Way Roadway Improvements

The scope of the City betterment at Redmond Way and NE 70th St. is: o Design and constrnction of an additional northbound left tum lane at the

intersection of SR 202 and NE 70th Street. • Widening of SR 202 to the northeast to accommodate the additional left

tum lane • Realignment of through lanes along Redmond Way east and west of NE

70th Street required because of the additional left turn lane. • Modifications to the existing medians within Redmond Way required ·

because of the additional left turn lane o Stormwater and drainage modifications required to accommodate the

additional left tutn lane ( on-site or rnodificaitions to an existing pond, to be determined by Sound Transit's design-build contractor)

• Signal and lighting modifications required because of the additional left tum h1ne

• Any additional work required solely to complete the betterment

Construction of the additional right turn lane from SB Redmond Way to WB NE 70th St., and any additional work required solely to complete the right turn lane, is excluded from the scope of the betterment. The City of Redmond. agrees to pay for improvements related to the betterment. See Attachment 2 for the proposed civil improvements related to the addition of the northbound left turn lane.

CHAIR

John Marchione Rt'd1mmd Mt'}'"

VICE CHAIRS

Ron Lucas S1dlt1c1•0111 Ma_l'/11'

Paul Roberts Evat!tl Coii11d/ Presideml

Mayor Pm Tew

BOARD MEMBERS

Nancy Backus Auhun, A1ay,,r

David Baker Kenmore. 1\-layor

Claudia Balducci King Co11111v Coundlmeml><<r

Dow Constantine Kiug C111111ry Erecmiw

Bruce Dammeier P;erce County E.rl'cutive

Jenny Durkan Seattlt· Mayor

Dave Earling Edmmu/s M,_1_,·or

Rob Johnson Seattle Co1111cilme111!1t•r

Kent Keel llufrer:.it_\· P/ac:e ll·layor

Joe McDermott King Cowrry Co,mcil Ch,1ir

RogerM"illar \Va.,hinxt,111 State Se<Tet,11,•

ofTiYmspor1.a1ion ·

Dave Somers S,whomisli Co11111y £.recuiive

· Dave Upthegrove King Coulllt (1m11ci/111e111/,a

Peter von Reichbauer k'il1g C,mnty C~>~1i1cilmem1,t•r

Victoria Woodards 7i..1c,i111a Ma.\·,,,-

CHIEF EXECUTIVE OFFICER

, Peter M. Rogoff

Kfisti Wilson Febmary 5th

, 2019 Page 2

Roadway Cross Sections I

There are two different proposed cross sections for SR 202 in the vicinity of NE 70th Street. The details of the width of the roadway, sidewalks, planters, and bicycle facilities were determined in coordination with the City of Redmond. See Attachment 1 for these proposed cross sections. These sections are subject to final WSDOT channelization plan approval, to be completed by the Contractor.

Right of Way (ROW) Acquisition

The addition of the no1thbound left turn lane will have impacts on adjacent properties along the north side of SR 202.

Sound Transit agrees to produce the parcel maps and legal descriptions to support the right-of.,.way acquisitions. The City of Redmond will complete the necessary appraisals and acquire and purchase the property rights, both permanent and temporary. The targeted date for possession and use of the property is December 31, 2020, assuming receipt by the City of complete and accurate parcel maps and legal descriptions by April 1. 2019. Any delays past December 31, 2020 may incur additional costs due to change orders from the Contractor for which the City of Redmond will be responsible. If the City of Redmon.ct i_s unable to provide possession and use by January 31, 2022, then Sound Transit will not constmct the project.

Should you have any questions, please don't hesitate to contact me at (206) 398,.5171. Please sign below and return one of the enclosed originals - please keep the additional: copy for your records.

Sincerely,

TonyRaben Executive Project Director; DRLE

Concurrence:

Date Kristi Wilson, Interm Director of Public Works City of Redmond

Attachments: I. SR 2()2 Cross Sections 2. SR 202 Roadway lmprovertietits

Enclosure (s): cc: Leonard McGhee (Project Manager, ST)

ST Document Control

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01/28/19

LEGEND

---- EXISTING ROADWAY ___ _. NEW ROADWAY

11' THRU LANE

11' THRU LANE

VAR!ES RAISED PLANTER

2'SHOULDER

11'TtiRU LANE \. Ii \ 11'. LEFT TURN LANE

·2.5' 8,5'

SR 202 TYPICAL SECJION NORTH OF NE 70TH SffiEET NTS

--

Ii 11'THRULANE 11' LEFT TURN LANE 11' LEFT TURN LANE

SR 202 TYelCAL SECTI_QN SOUTH OF NE 70TH STREET NTS

11'THRULANE 11'T1-IRULANE

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ATTACHMENT 1 SR 202 CROSS SECTIONS DOWN,OWN REDMOND LINK EXTENSION

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LEGEND

KXXX)j SOUND TRANSIT WORK V / / / J CITY OF REDMOND NEW CHANNELIZATION WORK T ATTACHMENT 2 SR 202 ROADWAY IMPROVEMEN'TS

01/28/19 f.-.-.-.-.-.-.-.-.-.-.,-.-.-,.-.-.-.-,.-.j Cl:rY OF REDMOND CIVIi: WORK Sou,aiDwmr DOWNTOWN REDMOND LINK EXTENSION

T SOUNDTRANSIT

February 5th, 2019

Kristi Wilson Interim Director of Public Works City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 18 DRLE: Redmond Way & NE 76th Street Roadwav Improvements

Purpose

The purpose of this letter is to seek concurrence from the City of Redmond for the Redmond Way and NE 76tti Street roadway improvements and funding responsibilities for betterments, included in the Downtown Redmond Link Extensi_on scope of work. The portions ofroadway that ate being agreed upon are: 1) Redmond Way from the driveway of Creekside Crossing to the intersection of Redmond Way and NE 76th Street/SR520 WB On-Ramp, and 2) NE 76th Street from the intersection of Redmond Way to the Fred Meyer/Target traffic signal.

Sound Transit Scope Sound Transit Will be adjusting the grade of the Redmond Way-NE 76th St/SR 520 WB On-Ramp intersection as part of light rail project to accommodate the light rail undercrossing. Thi$ scope of wotk includes paving, striping, adjustment of utilities to grade, retaining walls, signai work, and any additional Wotk associated with completing the grade adjustment. See Attachment 1 which defines the scope of work limits in blue.

City of Redmond Scope The City of Redn10nd requests that Sound Transit construct, as a betterment, an additional eastbound left tum lane from Redmond Way to NE 76th Street. This scope includes:

• De~ign apd construction ofadditional eastbound left tum lane and northbound receivinglthru lane on NE 76th St from Redmond Way to the traffic signal servicing Fred Meyer and Target

• Curb, gutter, pavement and lane restriping on NE 76th St. from Redmond Way to the Fred Meyer/Targei traffic signal, a total distance of about l, 100 feet, that would not be required but for the betterment

• The removal of sidewalk on the existing SR 202 bridge over Bear Creek to provide enough space for the eastbound left turn lane

CHAIR

Dave Somers Snoho111ish Co1111ty Executive

VICE CHA.IRS

Ron Lucas Steilacoom Mayor

John Marchione Redmond Mayor

BOARD MEMBERS

Nancy Backus Aubum Mayor

David Baker Kenmore Mayor

Claudia Balducci King Cotmty Co1111ci/111e111ber

Dow Constantine Kii1g Cmm(v E.Tecutil'e

Bruce Dammeler Pierce Co11111y E.Tecmfre

Jenny Durkan Seattle Mayor

Dave Earling Edmonds Mayor

Ro~Johnson Seartle Cow1cilmember

Kent Keel Unfrersil)' Place Mayor

Joe McDerm~tt Ki11g Cau111y Co1111ci/ Chair

Roger Millar Washi11gton State Secretary

ofTransporta1io11 ·

Paul Roberts Ei•ere/1 Council Presiden/i

Mayor Pro Tem

Dave Upthegrove King Co11111y Co1111cilmember

Peter von Relchbauer King Coumy Counci/memher

Victoria Woodards Tacoma Mayor

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Kristi Wilson February ?1

\ 2019 Page2

e Revised curb taper on Redmond Way given removal of sidewalk • Construction of new curb and sidewalk on the south side of Redmond Way near Creekside

Crossing · • New channelization from the existing SR 202 bridge to the driveway of Creekside Crossing • Any additional work required solely to complete the. betterment

See Attachment 1 for improvements associated with the City of Redmond betterment described above.

Should you have any questions, please don't hesitate to contact me at (206) 398-5171. Please sign below and return one of the e11closed originals - please keep the additional copy for your records.

Sincerely, ~

r.~ Executive Project Director, DRLE

Attachments: 1. SR 202 & NE 76th Street Roadway Improvements

Concurrence:

-~a....:....,ok~, ---=-h---'--'-l\5-1"---' _____,I b( l 1 l l=1 i · · Date

Kristi Wilson, Interrn Director of Public Works City of Redmond

Enclosure (s): cc: Leonard McGhee (Project Manager, Sl)

ST Document Control

01/28/19

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KXXX)4 SOUNDTRANSITWORK v 7 7 Z l CITY OF REDMOND NEW CHANNELIZATION WORK (BETTERMENT)

T ATTACHMENT 1 SR 202 & NE 76TH STREET ROADWAY IMPROVEMENTS DOWNTOWN REDMOND LINK EXTENSION j--...................... 3 CITY OFREDMONO·CIVIL .WORK SouMlllwlsrr

(BETTERMENT)

*• SOUNDTRANSIT,

Octol;>er 17th, 2018

Martin Pastucha · Director of Public Works City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Lin~ Extensfon, Letter of Concurrence LOC 21 DRLE: SE Redmond Sewer Connection Charge

Purpose

The purpose of this letter is to seek concurrence from the City of Redmond that the additional S'ewer connection charge for the station and garage sites in SE Redmond will be based on the expected sewage flows from the station and garage. City st~ff ha~ calculated the additional sewer connection charge to be $50,083;82. Thi~ amount, and its escalation by 2.45% ~nmJaHy beginning January 1, 2020 for ten years, is subject to City Council approval.

In exchange, Sound Transit agrees to limit development on the station and garage sites to uses that generate the same orless sewage than the station and garage are expected to generate, i.e., no net increase in .sewage flow would be permitted. Sound Transit agrees to record a covenant or similar instrument oil the subject parcels to prevent sewage flow in excess of what the station and garage are expected to generate. Sound Transitwill record the covenant <>r similar instrument prior to building permit issu~mce for the garage.

The general sewer connection Charge still applies, and depends on the size of the water rneter(s) at the site. · ·

Should you have any questions, please don't hesitate to contact me at (206) 903-7486. Please sign below and return one of the enclosed originals - please• keep the .additional copy for yout records.

CHAIR

Dave Somers • Siwlum,i,t/r Cmmr_,· £rerntil-e

VICE CHAIRS

John Marchione Rt'dmmul May1ir

Marjlyn Strickland T.1dm1<1-Mayor

BOARD MEMBERS

Nancy Bi:ickus · ·A11l111m Mayor

Claudi_a Baldu_c_ci King Co11111y C01111dlme111ber

Fred Butler l.m1q11a/r M<1yor

Dow Constantine Ki11g: Co1111t:1· Exerntiw

Bruce Dammeier Pierce Co1111ry £rec111il-e

Jenny- Ourkan Searrlt' M,1.mr

Daire Earling Edmmul,, Muyor

Rob Johnson Seaitle Cm111cil111ember

Kent Keel U11il'ersiry Plat:t' Mt1yor Pro Tem

Joe McDermott Ki11g C1111my Ct11t1!cil C/rair

Roger Miilar \Vashi11gto11 State Secn~wn·

,dTi·a11s1wrtatio11 · ·

Ma·ryMoss l..L1ke1r1md Cm111ci/111e111her

Paul Roberts t:,,erett Cmmdhiiember

Dave Upthegrove King Cormty Cmmcilmemher

Peter von Relchbauer Ki1111 Cmmry C111111cilmember

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

Sincerely, ·

ft)..,_,IN~ DeWitt Jensen Cottidot D¢sign Manager, DRLE.

Conc:Oitence,

-~-: --·-----=--· -~---_-_-_------___ ___,! Ocl- le::\. '2.0l~

Dc1te Martin Pc1~tycha, Director 9f Public Works City of Redmond

Enclosure (s): cc: Leon.ard McGhee (Pr.oject Manager, ST)

Tony Raben (Project Director, ST) ST Document Control

*• SOUNDTRANSIT

J anuafy 8th; 2019

Kristi Wits.on Interim Director of Public Works City of Redmond 15670 NE 851

~ Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurr~nce LOC 22.DRLE: NE70th Street Dedication

Purpose

The purpose of this letter is to memorialize the timing of the transition from the existing NE 70th Street to the new alignment of NE 70th S~reet., iQduding:

1. The replacement of existing utilities and associated property rights in tbe current aligtu:nent with new lltilities and associated property rights in the new ~lignment;

2. The replacement of existing public a.¢cess and associated property rights in the current alignment with oew publii; access and associated property

· rights in the new alignment; and ' · 3. Meeting wsoot needs for the Sttrplus and vacation of the cul-de .. sac· at

the westerly te.rminus of existing NE 70th Street. -

Granting and Extinguishing Temporary Property Rights

Sound Transit will acquire property fot the relocated NE 70th Street and a new street, 173rd A venue NE. Sound transit will compensate the City of Redmond (City) for the street vacation of the existing NE 70th Street roadway, by providing the new street right of way, to be purchased by Sound Transit and transferred to the City at the end of cmnsttuction. This approach is subject to Redmond City Council .approval.

As part of the street vacation process, tlle City wiB issue a letter to WSDOT, in the sample form attached hereto, to acknowledge that the c;ul-de-sac at the westerly terminus of existing NE 70th Street is no longer neeqed for street pt1rposes, and that the City agrees with the decision.for WSDOT to sell t4e cul­de-sac to Sourid transit.

Simultaneous with the City's vacation of existing NE 70th Street, Sound Transit will grant: · ·

• Temporary right~ to each ex.istjng utility for eac;h existing utility to continue to operate in the existing NE 70th. Street alignment. These temporary rights will expire individually as their new replacement utility

CHAIR

John Marchione Redmo11d Ma~·ar

VICE CHAIRS

RO:n Lucas S11dlt1l'O(IIJI Mayor

Paul Robert~ Ei·eren Cmmdl Pre.<.idmrl

May"r Pi-u Tem

BOARD MEMBERS

Nancy Backus Auhitr11 Mayor

Dai,tidBaker Ke,um;re Mayor

Claudia Baldiic¢i Ki11g Cmmry C01111dlme111her

Dow Constantine King Cnumy E.rec,!1.fre

Bruce Dammeier Pierce Cmmty Exec:111/ve

Jenny Durkan Se,m/e iWayor

Dave Earling &l111tm,h Ma.for

Rob Johnson Se,111/e.C0111i,·i/111eiiiher

Kent Keel U1iin:rsi1y Place Mayor

Joe McDennott Kin,t: C,~w,~, Cou~u.,:i/ Chair

Roger Milh1r 1Vashi11i:.to11 S1£11e Secre111n

(~{TrtlflS/1ttrtatio11

Dave Somers Sn,,!unnish Couilty Exel:1itit·e

Daile Upthegrove King .Cmmr_v Cimnci/m_ein/,el'

Peter ilon Reichbauer Kiiig C,m,~t.'' Cl,rmciimemi;e,,.

.Victoria Woodards Tt1co11111 Mqrnr

CHIEF EXECUTIVE OFFICER

Peter M. Rogoff

improvements become functional in the new NE 70th Street alignment, together with new temporary property rights for utility operations.

• Temporary rights of public access so that the existing NE 70th1 Street alignment can confinu~ to be used for property access. These temporary rights will expire when new access and access rights are cre.atedin the :new NE 70th Street alignment.· ·

Temporary utility and public access rights in the new NE 70th Stree_t alignment will be written to expire at the moment Sound Transit deeds the new NE 701h Street to the City as s_treet dght of way. See table below for utilities in NE 70th Street that Will need temporary easements.

R . dt eqmre emporarv UtTt E l 1:y t asemen s Old.NE 70th St AUgnfllent New NE 70th St Alignment

CoR Water 12,..i11 Wc!,te_rl~1.~n 12-in Water Main . ' '

CoRSewer 8-'i11 Sewer Mafo 8-in Sewer Main PS.E G<!S 4-in Gas Main New Gas. Main F'rontier Telecom bvhd Telecom Line (on PSE poles) New Ovhd Line (on PSEpoles) Comcast Teiecom Both Ovhcl Telecom Line (on PSE poles) New Ovhd Line (on PSE poles)

and undergrotmd re,lqc~_tiOn

For PSE power on overhead (Ovhd) poles that are currently located within a private easeII1ent, Sound Transit will grant PSE a permanent easement for the power poles when they are located in areas planne.d as the new NE 70th St. Sound Transit will write the permanent easement to expire at such time that PSE's · facilities are tmdergtoi.mded by future development projects; the city will then grant PSE an underground easemem.

Sound Transitwill extinguish any old services (water, side sewer, power, gas and telecom) that are on properties acquired in full, and will restore services to properties acquired in part.

Should you have any questioQs, please don't hesitate to. contact me at (206) 398-517 l. Please sign below and return one of the enclosed originals- please ).ceep the additional copy for yourrecords.

Sincerely,

Concurrence:

-~~: _W_ib ____ ___,, \\,c\ t9. Kristi Wilson, Interim Dir~ctor of Date

Public Works City of Redmond

Enclosure (s ): cc: Leon;,i._rd McGhee (Project Man:ager, st)

ST Document Control

DATE

Betsy Chase

Washington State Department of Transportation Real EstateServkes

15700 t>ayto_n Averwe Nqri:'1 PO Box:330~JO, NBa2~118 ; Seaft!e, WA 9813~-~71Q

RE: Downtown Redmcmd Lihk Exte11~io11 (DRL~) Rl165 ~ Clll-d¢,-s.ac .:it wes( enc:I of Nt1dth

StrE!et Vaca~jon <:onfirmatie>!l

p~ar tyls .. Chase,

Kristi Wilson

kwilson@redmond.gov

-- *• SOUNDTRANSIT

Febuary 13th, 2019

Todd Short, Fi.re Marshal Reclmond Fire Department, Fire Prevention Division City of Redmond 15670 NE 85th Street Redmond, WA, 98073

Downtown Redmond Link Extension, Letter of Concurrence LOC 23 DRLE: SE Redmond Parking Garage Access

Purpose Sound Transit seeks concurrence from the City of Redmond Fire Department for the access at parking garage at the SE Redmond Station.

The conceptual design in the RFP shows that the guideway cuts-off fire fighter access to the northwest corner of the SE Redmond parking garage from NE 70th

St., and the new elevated off ramp from EB SR 520 will prevent easy access for the fire department from the SR 520 (north) side. Therefore, Sound Transit will provide the following:

• An emergency vehicle turnaround on the north side of the tracks accessible to the Redmond Fire Department through the hi rail access by Knox box, and designed to accommodate fire vehicle parking and operations

• A standpipe at the corner of the parking garage at the ground level, closest to and accessible from the emergency vehicle turnaround.

Should you have any questions, please don't hesita_te to contact me at (206) 398-5 l 71. Please sign below and return one of the enclosed 9riginals - please keep fhe additional copy fot your records. ·

Sincerely,. /J ~

Executive Project Director, DRLE

Concurrence:

;;iff~rcr .,..Todd Short, Fire Marshal

City of Redmond

Enclosure (s), cc: Leonard McGhee (Project Manager. ST)

ST Document Controi

I z/2-0/11 Date

CHAIR

John Marchione Red111011d Mayor

VICE CHAIRS

Ron Lucas , Steilacoom Mlfyor

Paul Roberts Ei•erett C01111cil Presideml

MayorPmTem

BOARD MEMBERS

Nancy Backus A11b11m Mayt>~

David Baker Ke11111ore Mtiyor

Claudia Balducci Ki11g Co1111ty Cmmcilmember

Dow Constantine King Coumy Erecutive

Bruce Dammeler Pierce Coumy £rec11til'e

Jenny Durkan Seti/lie Mayor

Dave Earling Etlmmuls Mayor

Rob Johnson Seat/le Cot111d/111ember

Kent Ke~I U1til'ersiry Place Mayor

Joe McDermott Ki11g Cow(/_\' Co1111dl Cl,air

Roger Millar Waslii11gto11 Swte Secretctrv

ofTramponc11io11 ·

Dave Somers S11ohomisl, Co1111(\' Ererntive

Dave Upthegrove Ki11g C111111ty Cm111cilmember

Peter von Reichbauer King Comtty Co1111ci/111e111bt!r

Victoria Woodards Tacoma Mayor

CHIEF EXECUTIVE OFRCER

Peter M. Rogoff

EXHIBITH

DESIGNATED REPRESENTATIVES

DESIGNATED REP~SENTATIVES

SOUND TRANSIT:

TonyRaben Project Director 401 South Jackson Street Seattle, Washington 98104 Phone: 206-398-5.171 Email: tony.raben@soundtransit.org

CITY OF REDMOND:

Don Cairns Transportation Planning and Engineering Manager PO Box 97010 Redmond, WA 98073-9710 Telephone: 425-556-2834 Email: dcaims@redmond.gov

EXH_IBIT I

GENERAL DESCRIPTION OF PROPERTY SUBJECT TO AGREEMENT

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DEVELOPMENT AGREEMENT MAP

MARYMOOR PARK

KINGCQ!-iNTY

CITY OF REDMOND I

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Filename: RLE-Legal8x11.dwg

Date: 03/2112019

SOUND TRANSIT CITY. OF REDMOND

DEVELOPMENT AGREEMENT MAP

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Drawing N.o:

40F5

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SOUND TRANSIT CiTY OF REDMOND

Drawing No:

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Sheet No: Rev:

DEVELOPMENT AGREEMENT MAP

The Project Administrator.should. complete.the top section of this form, once Department Head/Designee signature has been obtained, attach the specified number of agreement originals to this (orm (have the contractor/supplier sig·n a" original copies before routing) an~ forv,:ard the dOC1.Jrnents to the C_ity Clerk for internal city routing. The City Clerk wi_l_l route the a·greement to the Risk Manager for·approval of insurance and idemnification requirements, to the City Attorney for approval as to legal form and to the Mayor for signature. The City Clerk will then attest/authenticate the·Mayo~s signature and will forward this form and remaining agreement(s) to Project Administrator.

Project Title: DP. L-£ J).e,v d-v pm e,rrl- A@(-€ -'L,tr] U'\-+ Type of Service: 111--/--e,r-locv---/ ajr~e-v~ t,,,:> / Se,u .. ,nd Tr,0-Y'-.s vf

Supplier/Contractor Name: S=-"o ___ l,,l.,l,'f_..._d ........ _1v_v_· tu-'\ __ s_·v1-_________________________ _ Contract/AgreementAmount, Original: -$l-/O 1 000 Amended Amount:

Council Approval Date: (_p Jr i (I q I

lot,.,/ 0-t,ui--~ .fw,,, Project Administrator: Jeff Cl,,,\A;\,c.l,, I I Anticipated Agreement Start Date: _ 1' / t /11_

MailStop: Lf Sf L Phone: .K 'JLf Cf k-

Estimated Completion Date: l?-/~t f 1-:0 Z-(o

Does·this contract contain the purchase of technology related items/services?

If Yes, route to: I.S. Manager (3SFN)

I.S. Signature:

Will federal funds be used to pay for all or part of contract?

If Yes, check for debarment at www.sam.gov (print result_i;;_ and keep a c~py in_project file)

Department Head/ Designee Signature:

Comments:

Account Numbers/ Distribution

NIGP/CQ.ljl!TIQ~ity Cqd~:

ROUTING PROCESS: ( _ Z:::: copies)

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0city Clerk

(fbrrouting and tracking)

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Date:

• YES "g!NO

Date::

'D Date 211°/tq

Risk Manager (Signature or initials) 2'· bate

~e 71,tz/ ,, City Attorney (Signature or initials)

(Note: If contract exceeds Mayor's authorized signing limits, route to City Clerk

Mayor (Signature or initials)

City Clerk (Signature or initials)

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, council approval)

Date I

Date

NOTE: The agreement becomes fully executable once the Mayor has signed it. The Project Administrator may then forward one set of originals to the Contractor/Consultant and work may begin. The City's original will b.e retained by the City Clerk. Once all signatures have been obtained, forward a copy of this.form to Accounts Payable, 'th payment instructions.