addendum no - waco-texas.com 2018... · austin, texas 78759 phone: (512) 38-3 4212 fax: (512)...

Purchasing Services Post Office Box 2570

Waco, Texas 76702-2570 Phone: 254-750-8062

Fax: 254-750-8063 [email protected]

CITY OF WACO www.waco-texas.com

Date: 02/23/2018 RFB No: 2018-003, 2018-004 & 2018-005 Commodity: Waco Metropolitan Area Regional Sewerage System

(WMARSS) – Transfer Lift Station Project: Packages 1, 2 & 3 Purchasing Agent: Mr. Jody Copp

Closing Time: Thursday, March 29, 2018 Opening Time: Thursday, March 29, 2018

RFB Opening Location: Operations Center, Purchasing Services Office, 1415 N. 4th St., Waco, TX 76707 ______________________________________________________

Addendum No: 6

The above-mentioned RFB invitation has been changed in the following manner. Sign and return addendum to the Purchasing Office by the closing time and date with your RFB response. Returning this page signed by your authorized agent will serve to acknowledge this change. All other requirements of the invitation remain unchanged. If you have any questions, please call or stop by the Purchasing Office at the above address.

1. See Attachment 1. Please note that TIMES do not change, only theDATES!

Firm:_____________________________________________________________________________________

Address___________________________________________________________________________________

Signature of Person Authorized to Sign Bid:______________________________________________________________________

Signor's Name and Title (print or type):_____________________________________________________________________________

E-mail Address:____________________________________________________________________________

Date:____________________Telephone:___________________________Fax:_________________________

RFB 2018-003, 2018-004 & 2018-005 Transfer Lift Station Project: Packages 1, 2 & 3 Addendum 6

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mailto:[email protected]

Waco Metropolitan Area Regional Sewerage System

Transfer Lift Station and Force Main Project

Packages 1-3

160-10710-005 00906-1 Addendum No. 6

SECTION 00906

ADDENDUM NO. 6

LOCKWOOD, ANDREWS & NEWNAM, INC.

8911 N. Capital of Texas Highway, Building 2, Suite 2300

Austin, Texas 78759

Phone: (512) 338-4212

Fax: (512) 338-4942

TO: Prospective Bidders

This Addendum forms a part of the Contract Documents and modifies the original Bidding Documents.

Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may

subject Bidder to disqualification.

MISCELLANEOUS

1. Bid schedule revised as detailed below. Events and dates not listed below are unchanged.

a. Contractors notified of Prequalification Status (Pass/Fail) by: 3/2/18

b. Review of Prequalification Status Determination: 3/5/18 – 3/9/18

c. Deadline for bid questions: 3/22/18

d. Bids due: 3/29/18

e. Bids opened: 3/29/18

f. Evaluation of bids: 3/30/18 – 4/4/18

2. As-built information has been made available for reference by download on the City of Waco Current

Advertised Bid Opportunities website (http://www.waco-texas.com/bids.asp):

a. As-built Transfer Lift Station (existing) plans

b. As-built LaSalle Lift Station plans

PLANS

3. Revise plan sets as follows:

a. Package 1:

i. Replace sheet C109 with revised C109 provided in Attachment 2.

ii. Replace sheet C116 with revised C116 provided in Attachment 2.

iii. Replace sheet C202 with revised C202 provided in Attachment 2.

iv. Add sheet C206 provided in Attachment 2.

v. Replace sheet C512 with revised C512 provided in Attachment 2.

b. Package 2:

i. Add to General Notes on E-104:

“7. REFER TO C206 IN PACKAGE 1 PLANS FOR DETAIL OF ELECTRICAL

SERVICE ALIGNMENT.”

ii. Add to General Notes on E-602:

“5. REFER TO C206 IN PACKAGE 1 PLANS FOR DETAIL OF ELECTRICAL

SERVICE ALIGNMENT.”

c. Package 3: N/A

ATTACHMENT 1


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http://www.waco-texas.com/bids.asp



Packages 1-3

160-10710-005 00906-2 Addendum No. 6

SPECIFICATIONS

4. Revise specifications as follows (revisions in bold)

a. All packages:

i. Appendix A.2.A.2.c: : Information submitted with prequalification packages associated

with this requirement will be evaluated based on the revised criteria detailed below:

“List two (2) dewatering projects for the Project Manager, Project

Superintendent and Project Engineer which included continuous dewatering to a

depth greater than 20 feet below groundwater surface elevations for a

construction area of at least 1 acre. Specifically provide the following information:

• Name of project and location

• Name, contact, address, telephone number, and email of the owner

• Name of construction manager

• Project cost and description demonstrating similar size to this project.”

b. Package 1:

i. Amend Project Manual with U.S. Army Corps of Engineers letter of authorization for

Nationwide Permit 12 regarding proposed Brazos River crossing (Attachment 3).

ii. Supplementary Conditions:

1. SC 4.02.A:

a. Amend with the following text:

“Brierley Associates Corporation Geotechnical Baseline Report

WMARSS Transfer Lift Station and Force Main Project – Phase

1 Waco, TX dated December 2016”

2. Amend with SC 13.07.A:

a. “If within two years one year after the date of Substantial

Completion…” (refer to Article 13.07.A of the General Conditions

for continuation)

iii. IV – Requested services; A.1:

“The City of Waco has issued this solicitation … and preparatory work for tie-in to

existing 54-inch sewer including bypass pumping using a combination of open cut

and tunneling methods.”

iv. Disregard duplicate Section 02260 (IFB Project Manual p.368-372).

v. Section 02400.4.01.A

Payment for launching and receiving shafts will be made at the unit price bid per unit

measurements specified in bid form. each, complete in place and including

specified equipment and maintenance services, as one of the following bid items:

B Pay Item No. 02400-LS: Launching Shaft, complete in place Per Each.

Pay Item No. 02400-RS: Receiving Shaft, complete in place Per Each.

c. Package 2:

i. Supplementary Conditions:

1. SC 4.02.A:

a. Amend with the following text:

“Forrest and Cotton, Inc. & W.F. Soules and Associates, Inc. La

Salle Street Lift Station Construction Plans Sheets 13-26 of 37

dated October 1969”


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Packages 1-3

160-10710-005 00906-3 Addendum No. 6

b. Amend with the following text:

“Shimek, Jacobs & Finklea Construction Plans for Transfer Lift

Station dated December 1981”

ii. Appendix A.1.B.2.q: Information submitted with prequalification packages associated

with this requirement will be evaluated based on the revised criteria detailed below:

“…submersible pumps equal to or greater than 200 300 horsepower (HP)…”

iii. Section 11395.2.01.B:

Manufacturer: One of the following, modified as necessary to meet the Specification

requirements:

1. Daniel Mechanical.

2. Bioair.

3. ECS Environmental Solutions.

3 4. Or equal.

iv. Disregard duplicate Section 15139 presented on IFB Project Manual p.752-758. Refer to

p.745-1075 for relevant content.

d. Package 3:

i. Supplementary Conditions:

1. Amend with SC 13.07.A:

a. “A. If within two years one year after the date of Substantial

Completion…” (refer to Article 13.07.A of the General Conditions

for continuation)

ATTACHMENTS

1. Responses to bid-related questions received since Bid Advertisement.

2. Revised/amended Package 1 plan set sheets

3. U.S. Army Corps of Engineer letter of authorization (Package 1)

END OF SECTION

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Lockwood, Andrews & Newnam, Inc.

Texas Registered Engineering Firm F-2614

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DANIEL E. DOW

2/23/2018


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Attachment 1: Responses to bid-related questions received since Bid Advertisement.


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TRANSFER LIFT STATION AND FORCE MAIN PROJECT

ADDENDUM 06

ATTACHMENT 1: RESPONSE TO PREQUALIFICATION-RELATED QUESTIONS

ID QUESTION PACKAGE RESPONSE

9

On sheet E-102, are the 3 combination starters, the two for feed

the Odor Control and one for feeding the Crane, combination

starters or actually non fused disconnects.

2 Provide a combination switch starter as specified in 16410.

10

Referencing sheet C-109, is the LaSalle LS electrical demo cost

included in Package 2. If so, will the owner be taking possession

of the apparatus or will the EC be responsible for the removal

2

Contractor is responsible for disposal of all

electrical/mechanical elements of existing LaSalle Lift

Station. Refer to C109 for extent of civil/structural

demolition and abandonment. Include all costs associated

with demolition and abandonment of LaSalle Lift Station in

Package 2 - Bid Item #20.

11In reference to the Bid sheets, is the total amount of bid

supposed to equal the sum of total materials and total L&E?1,2,3 Yes.

12

Where does the city expect specifications for seismic and wind

design criteria (01612 and 01614) to be relevant to the scope of

this project?

1,2Sections 01612 and 01614 are relevant to Section 11395 in

Package 2 and are not relevant to Package 1.

13 Are the GDR and GBR considered as Contract Documents? 1,2,3Yes - all documents included in Project Manual comprise the

Contract Documents.

14

Can you clarify on how Package 1 specification 02400 states

measurement and payment for tunnels shafts by EA, but pay

items for tunnels shafts is LS?

1

Bid item payment as stated in Bid Form supersedes

prescription thereof in technical specifications. Refer to

Addendum body for text revision.

15Can you get more detailed sections on the Existing WMARRS Lift

Station?2

As-builts of existing LaSalle Lift Station and Transfer Lift

Station are made available for download.

17Can Flowcrete be used for the 66” Tunnel instead of Casing

starting at Sta 69+38 ending 74+56? 1

No. A minimum 84-inch diameter steel casing pipe will be

required to facilitate placement of the 66-inch diameter

reinforced polymer mortar (FRPM) carrier pipe within

TxDOT right-of-way for the tunnel crossing under Hwy 77.

18

Are fiberglass tee base manholes allowed for the “composite

manholes” on package 2 – lift station? FRP tee base manholes

are allowed in the gravity siphon.

2No. Fiberglass tee base manholes are not allowed on

Package 2 – Lift Station.

160-10710-005 PAGE 1 OF 3 2/23/2018


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ADDENDUM 06



19

Sheet C.305 (package 2) and C.501 (package 1) have a detail for

Tee-Base Fiberglass Manholes that has a callout for “ASTM

03743” that should read “ASTM D3262”, can this be corrected?

2

No change made to plans at this time. Reference to ASTM

D3262 is correct. Disregard reference to ASTM 03743 as

shown.

20The surge pressure is listed as 150 psi. Is this an appropriate

value for the anticipated surge pressure?3 Minimum design pressure for all force main piping is 150 psi.

21

We have noticed several instances on the package 3 force main

where air release valves are not at a high point in the pipeline.

Should the ARV’s be moved to ensure effectiveness?

3No change made at this time. Base bid on design as

proposed.

26Please confirm if CPUSA will be including the two (2) alarm

beacons in their scope. If not, a detail is preferred.2 Yes this is in CPUSA's scope.

27

Please confirm if CPUSA will be including the

remote/start/stop/lock-out for the LS pumps in their scope. If

not, a detail is preferred.

2 Yes this is in CPUSA's scope.

34Request for approval for Kinger Gate Valves and Kinger Check

Valves.2 Not approved.

35Wastewater Valves Section 15139 This section appears twice in

the spec book with differences.2

Disregard duplicate Section 15139 (IFB Project Manual p.752-

758). Refer to Addendum body for additional detail.

37Respectfully request AWWA C200 spiral welded steel pipe be

added as an option to bid on all diameters. 2 Not approved.

38We respectfully request Tnemec Perma-Glaze Series 435 100%

solids epoxy be acceptable as a lining material for steel pipe. 2 Not approved.

39

We respectfully request that Golden Harvest be named as an

approved equal for the stop logs in specification section 11290

for the WMARSS Transfer Lift Station P2 – Lift Station project.

2 Not approved.

40

What is the installation method of 5,650 lf of 66-inch sewer line

and 2,400 lf of 36-inch and 42-inch siphons being installed in the

project?

1 Refer to plans for detail.

160-10710-005 PAGE 2 OF 3 2/23/2018


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ADDENDUM 06



41

Section 15139 is included in the bidding documents twice.These

valve sections are not the same, please advise which pages are

the correct ones for this project.

2 Refer to response to question 35.

43Drawings D-102, D-304, and D-506 currently show stop logs, but

each drawing does not state how tall each log should be. Please

clarify the height and number of logs required for the 48” pipe.

2 Refer to Section 11290 in the Package 2 Project Manual.

44Also, can the bottom of the frames be “squared off” instead of the

curved design shown on D-506?2 No.

45Do the logs only extend upward enough to cover 48” diameter

pipe?2 Yes.

46

Section 11289. Paragraph 2.2.A call for wall thimbles “per gate

schedule…”. However, there is no gate schedule. Drawing M.102

seems to indicate that gates are either embedded or surface

mounted, not wall thimble mounted. Please clarify type of

mounting.

3

Clarification: Specification Section 11289 – Paragraph 2.2.A

Wall Thimble: There are no wall thimbles nor is there a gate

schedule for the gates at the headworks tie-in structure.

Gate installation requirements are as shown on Sheet

M.102.

160-10710-005 PAGE 3 OF 3 2/23/2018


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Attachment 2: Revised/amended Package 1 plan set sheets


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Existing Ground

352354356358360362364366368370372374376378380382384386388390392394396

350352354356358360362364366368370372374376378380382384386388390392394396

39+00 39+50 40+00

379.98

359.66

381.16

359.67

40+50

382.62

359.69

383.12

359.70

41+00

383.24

359.71

382.64

359.73

41+50

382.17

359.74

381.69

359.75

42+00

381.63

359.77

381.64

359.78

42+50

381.62

359.80

381.56

359.81

43+00

381.68

359.82

223.31 LF of 66" FRP SN72 San. Swr. @ 0.055%28.46 LF of 66"

FRP SN72 San.

Swr. @ 0.055%

73.08 LF of 66" FRP SN72 San. Swr. @ 0.055%

Manhole 7

Sta. 42+26.92'

Proposed Vented Manhole

See Detail A, Sht C.501 and

Detail B, Sht C.504

Rim Elev = 381.65'

66" FL Elev = 359.78' (W & SE)

6" FL Elev = 374.44' (SW)

Sta. 39+75.15'

Tie-in to Prop. Siphon Inlet Structure

66" FL Elev = 359.64' (N & S)

Refer to Sheet C.108 & D.101

Bore Hole - 5

Invert FL = 359.64'

Manhole 6

Sta. 41+98.46'

Proposed Drop Manhole

See Detail B, Sht C.501

Rim Elev = 381.60'

66" FL Elev = 359.77' (NW & S)

12" FL Elev = 375.00' (E)

Prop. 6" PVC Vent Pipe,

See Note 3

Invert FL 373.26'

Sta. 39+75.15'

Tie-In to Prop. Siphon Inlet Structure

66" FL Elev = 359.64' (N & S)

N 10543764.28

E 3305839.57

Refer to Sheet C.108 and D.101

Prop. 50'

Temporary Easement

Prop. 50'

Permanent Easement

25'

Manhole 6

Sta. 41+98.46'



Rim Elev = 381.60'

66" FL Elev = 359.77' (NW & S)

12" FL Elev = 375.00' (E)

N 10543977.81

E 3305904.93

Bore Hole - 5

Sta. 41+98.46'

Off. 37.0' (Rt.)

N 10543968.38

E 335940.75

See Note 2

See Note 1

3

8

5

3

8

1

381

3

8

1

3

8

1

3

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2

3

8

2

3

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387

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388

389

390

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3

9

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3

8

4

See Note 2

Prop. 66" FRP

SN72 Sanitary Sewer

Prop. 100'

Temporary Easement

Prop. 6" PVC Vent Pipe,

See Note 3

10'

Manhole 7

Sta. 42+26.92'

Proposed Vented Manhole

See Detail A, Sht C.501 and

Detail B, Sht C.504

Rim Elev = 381.65'

66" FL Elev = 359.78' (W & SE)

6" FL Elev = 374.44' (SW)

N 10544003.28

E 3305892.23

Prop. 50' Permanent

Access Easement

10'

136.5

°

1

3

4

.

3

°

Sta. 41+98.46'

Off. 15.0' (Lt.)

Prop. Vent Pipe

N 10543976.76

E 3305888.93

FL Elev = 374.36'

Δ = 45° (Rt.)

Sta. 42+26.92'

Off. 15.0' (Lt.)

N 10543990.93

E 3305881.63

FL Elev = 374.44'

Δ = 45° (Rt.)

Sta. 39+75.15'

Off. 3.8' (Lt.)

Prop. Vent Pipe

N 10543766.37

E 3305832.76

FL Elev = 373.26'

Sta. 39+80.15'

Off. 3.8' (Lt.)

Prop. Vent Pipe

N 10543771.15

E 3305834.22

FL Elev = 373.34'

Δ = 45° (Rt.)

Sta. 38+88.03'

Off. 15.0' (Lt.)

Prop. Vent Pipe

N 10543780.99

E 3305828.99

FL Elev = 373.29'

Δ = 45° (Lt.)

See Note 4

Prop. 1.850 Acre Water/Sewer

and Electric Easement

0 4020

1"=20'SCALE:

VERT. 1"=5'

HORIZ.

N

Draw

Design

Manager

Check

DATE

REVISIONS

DESCRIPTIONNO.

FILE LOG

STAMP

WMARSS Transfer Lift

Station

Waco, Texas

© LEO A DALY Company 2014

KEY PLAN

File:C

:\pw

working\cpy\pw

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Project No.

Date:

AG

160-10710-002

MARCH 2017

215 Mary Street

Suite 305

Waco, TX 76701

Tel 254-753-9585

www.lan-inc.com

8911 Capital of Texas Highway North,

Suite 2200, Austin, Texas 78759

200 West Highway 6,

Suite 620

Waco, Texas 76712

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CP & Y, Inc.


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C.109

Plan and Profile View

Sta. 39+75.15 - Sta. 43+00

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1. STA 40+95 TO STA 41+65 UNCLASSIFIED MATERIAL. DISPOSE OF OFF

SITE IN ACCORDANCE WITH LOCAL REGULATIONS.

2. USE CAUTION WORKING IN VICINITY OF OVERHEAD POWER LINES. NO

EQUIPMENT IS ALLOWED WITHIN 25' OF ELECTRICAL STRUCTURE.

3. VENT PIPING TO BE INSTALLED AT A 0.5% DOWN SLOPE TOWARD THE

SIPHON BOX. DEPTH BELOW EXISTING GRADE IS APPROXIMATE.

4. CONTRACTOR SHALL INSTALL 10' OF 12" STUB-OUT WITH PLUG FOR

FUTURE CONNECTION OF 12" SEWER.

5. VENT PIPING SHALL BE SDR26 PVC PER ASTM D3034.

BORE HOLE LEGEND

SILTY SAND

LEAN CLAY

FAT CLAY

STATIC WATER LEVEL READING (SHORT-TERM)

STATIC WATER LEVEL READING (LONG-TERM)

CAUTION

OHE

JANUARY 2018

1 01/08/2018ADDENDUM 1

1

1/8/2018


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Manhole 16

Sta. 69+13.45'

Proposed Manhole

See Detail A, Sht C.501

Rim Elev = 388.00'

66" FL Elev = 361.26' (W & SE)

N 10544865.94

E 3303376.51

Manhole 15

Sta. 68+22.21'



Rim Elev = 388.55'

66" FL Elev = 361.21' (NW & E)

12" FL Elev = 376.92' (N)

8" FL Elev = 376.50' (S)

N 10544793.10

E 3303431.46

Prop. 100'

Temporary

Easement

Prop. 50'

Permanent

Easement

25'

1

2

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B-2 & CPT-2

Sta. 68+84.33'

Off. 67.1' (Lt.)

N 10544802.27

E 3303340.47

Prop. Tunneled 66"

FRP Sanitary Sewer

in 84" Casing

3

8

5

3

9

0

3

8

6

3

8

7

3

8

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3

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388

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2

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Approx Tunnel

Shaft Location,

See Note 3

See Note 2,

4, and 5

1

3

7

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4

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1

3

7

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Prop. 66" FRP SN72

Sanitary Sewer

1

2

2

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6

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Exist. 30' San.

Swr. Easement

1

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Manhole 15-A

Sta. 68+96.38'

Offset 21.0' (Rt.)

Proposed 4' Dia. Standard Manhole

See Detail S-6, S-7A, and S-8 on Sht. C.505

Rim Elev = 388.26'

12" FL Elev = 377.32' (NE)

12" FL Elev = 377.06' (S)

N 10544864.96

E 3303403.56

Prop. 12" PVC SDR26

Sanitary Sewer

Start Bypass Pumping

FL Elev = 377.34±

End Bypass

Pumping

See Note 6

356358360362364366368370372374376378380382384386388390392

354356358360362364366368370372374376378380382384386388390392

67+00

38

7.4

5

36

1.1

4

38

7.6

4

36

1.1

6

67+50

38

7.8

4

36

1.1

7

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8.0

5

36

1.1

9

68+00

38

8.2

9

36

1.2

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38

8.5

6

36

1.2

1

68+50

38

8.8

6

36

1.2

3

38

8.6

8

36

1.2

4

69+00

38

8.2

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36

1.2

5

38

7.8

8

36

1.2

7

69+50

38

8.2

3

36

1.2

8

39

1.3

0

36

1.3

0

70+00

39

0.9

7

36

1.3

1

61.75 LF of 66" FRP SN72

San. Swr. @ 0.055%

122.21 LF of 66" FRP SN72 San. Swr. @ 0.055%

Manhole 16

Sta. 69+13.45'

Proposed Manhole

See Detail A, Sht C.501

Rim Elev = 388.00'

66" FL Elev = 361.26' (W & SE)

Manhole 15

Sta. 68+22.21'

Proposed Drop Manhole See Detail B, Sht C.501

Rim Elev = 388.55'

66" FL Elev = 361.21' (NW & E)

12" FL Elev = 376.92' (N)

8" FL Elev = 376.50 (S)

Existing Ground

44 LF of 66" Tunnel in 84" Casing

24.90 LF of 66" FRP SN72

San. Swr. @ 0.055%

Bore Hole - 2

Sta. 69+38

Begin Tunnel

61.65 LF of 66" FRP San. Swr. @ 0.055%

Invert FL = 361.28

Sta. 68+87.30

Exist. 12" San. Swr.

FL Elev = 377.32'±

N

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Station

Waco, Texas


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Project No.

Date:

AG

160-10710-002

MARCH 2017

215 Mary Street

Suite 305

Waco, TX 76701

Tel 254-753-9585

www.lan-inc.com



200 West Highway 6,

Suite 620

Waco, Texas 76712

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CP & Y, Inc.


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1. TUNNELED SECTION PIPE STIFFNESS CLASS TO BE SELECTED BASED

ON TUNNEL LOADING PER SPECIFICATION SECTION 02450.

2. REMOVE AND PLUG ABANDONED 15" SANITARY SEWER AS REQUIRED

TO INSTALL PROPOSED 60" SANITARY SEWER AND MANHOLE (NSPI)

3. ACTUAL TUNNEL SHAFT SIZE AND CONFIGURATION TO BE DETERMINED

BY CONTRACTOR AND APPROVED BY OWNER.

4. PLUG AND ABANDON 12" SANITARY SEWER DOWNSTREAM OF

PROPOSED 4' DIA. MANHOLE.

5. INSTALL PRECAST CONCRETE MANHOLE OVER EXISTING 12" SANITARY

SEWER. CONSTRUCT MANHOLE IN ACCORDANCE WITH CITY OF WACO

STANDARD SPECIFICATIONS FOR CONSTRUCTION SECTION 4.8.

INSTALL DELINEATOR POST PER CITY OF WACO STANDARD DETAIL G-9

(SHEET C.506).

6. CONTRACTOR SHALL INSTALL 10' OF 8" STUB OUT WITH PLUG FOR

FUTURE CONNECTION OF 8" SEWER.

LEAN CLAY

CLAYEY SAND

FAT CLAY

SILTY CLAYEY SAND

SILTY SAND

SAND

BORE HOLE LEGEND

FIRST WATER LEVEL READING (DURING DRILLING)

STATIC WATER LEVEL READING (SHORT-TERM)

STATIC WATER LEVEL READING (LONG-TERM)

0 4020

1"=20'SCALE:

VERT. 1"=5'

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CAUTION

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JANUARY 2018

ADDENDUM 1 01/08/20181

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LIFT STATION -

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REFER TO C206 FOR INLET

SIPHON BOX WATER SERVICE

ALIGNMENT.

3' SIDEWALK

12" MOW STRIP

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YARD HYDRANT PER

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INSTALL BACKFLOW

PREVENTER PER CITY

OF WACO STANDARD

DETAIL W-18.

ELECTRIC SERVICE TO INLET

SIPHON BOX BY PACKAGE 2

CONTRACTOR (160-10710-003).

LOCATION OF TERMINATION

SHOWN IS APPROXIMATE.

COORDINATE WITH PACKAGE 2

CONTRACTOR AS NECESSARY.

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Station - Package I

Waco, Texas




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200 West Highway 6,

Suite 620

Waco, Texas 76712

215 Mary Ave., Suite 305

Waco, TX 76701

Tel 254-753-9585

www.lan-inc.com

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I

Project No.

Date:

160-10710-002

January 2016

JSC

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LEE B. HAMM

106029

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INVERTED SIPHON INLET

SITE PLAN

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N: 10544000.94

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N: 10544284.02

E: 3306103.33

N: 10544293.12

E: 3306084.33

N: 10544339.46

E: 3306105.13

N: 10544565.51

E: 3305606.02

N: 10544817.62

E: 3305151.50

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E: 3305085.99

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Waco, Texas




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200 West Highway 6,

Suite 620

Waco, Texas 76712


Waco, TX 76701

Tel 254-753-9585

www.lan-inc.com

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I

Project No.

Date:

160-10710-002

January 2016

JSC

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106029

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12060

1"=60'

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INVERTED SIPHON INLET

UTILIY SERVICE PLAN

1/26/18

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DETAIL OF WATER SERVICE

TERMINATION AT INLET

SIPHON BOX.

ELECTRICAL SERVICE BY

OTHERS. REFER TO

PACKAGE 2 PLANS

(160-10710-003).

INSTALL RESTRAINED 4" POTABLE

WATER LINE PER CITY OF WACO

STANDARD DETAILS AND

SPECIFICATIONS. REFER TO

STANDARD DETAIL G-8 FOR

EMBEDMENT AND

SPECIFICATIONS 4.7&4.9 FOR

PIPING MATERIALS.

PROVIDE SERVICE

CONNECTION PER CITY

OF WACO STANDARD

DETAIL W-14A

EX. WATER METER (APPROXIMATE LOCATION)

EX. WATER VALVE (APPROXIMATE LOCATION)

EX. FIRE HYDRANT (APPROXIMATE LOCATION)

PROPOSED INLET SIPHON

BOX ACCESS ROAD AND

EASEMENT. REFER TO

SHEETS C.127-129


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Waco, Texas




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200 West Highway 6,

Suite 620

Waco, Texas 76712


Waco, TX 76701

Tel 254-753-9585

www.lan-inc.com

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Project No.

Date:

160-10710-002

January 2016

JSC

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SCALE: N.T.S.

2

CONCRETE ENCASEMENT DETAIL

2' TYP OUTSIDE DIA. 3.5' TYP OUTSIDE DIA.OUTSIDE DIA.

2' T

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EXCAVATION OR

SHALE WALL

BOTTOM OF

EXCAVATION OR

SHALE

SAFETY FENCING &

SCALE: N.T.S.

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14"-20" DIAMETER

FIELD ROCK

3'-4' DIAMETER ROCK

6-8 OZ GEOTEXTILE

FABRIC

TOE TRENCH

SCALE: N.T.S.

4

ROCK RIP RAP DETAIL

1/26/18

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ADDENDUM 1 1/26/18

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Attachment 3: U.S. Army Corps of Engineer letter of authorization (Package 1)


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DEPARTMENT OF THE ARMYFORT WORTH DISTRICT, CORPS OF ENGINEERS

P. 0. BOX 17300FORT WORTH, TEXAS 76102~0300

February 5, 2018

Regulatory Division

SUBJECT: Project Number SWF-2016-00086, Transfer Lift Station & Force Main

Mr. Charles LeistCity of WacoP.O. Box 2570Waco, Texas 76702

Dear Mr. Leist:

This letter is in regard to information received November 16, 2017, and subsequentsubmittals received December 21, 2017, January 4, 2018, and January 15, 2018, concerning aproposal by the City of Waco to construct a transfer lift station and force main in the city ofWaco, McLennan County, Texas. This project has been assigned Project Number SWF-2016-00086. Please include this number in all future correspondence concerning this project.

Under Section 404 of the Clean Water Act the U.S. Army Corps of Engineers (USACE)regulates the discharge of dredged and fill material into waters of the United States, includingwetlands. USACE responsibility under Section 10 of the Rivers and Harbors Act of 1899 is toregulate any work in, or affecting, navigable waters of the United States. Based on thedescription of the proposed work, and other information available to us, we have determined thisproject will involve activities subject to the requirements of Section 404 and Section 10.

We have reviewed this project under the pre-construction notification procedures ofNationwide Permit General Condition 32 (Federal Register, Vol. 82, No. 4, Friday, January 9,2017). We have determined the discharge of dredged or fill materials into waters of the UnitedStates associated with this project appears to qualify for Nationwide Permit 12 for Utility LineActivities. To use this permit, the permittee must ensure the work is in compliance with thespecifications and conditions listed on the enclosures and the special conditions listed below.Additionally, all activities must comply with the water quality certification conditions of the TexasCommission on Environmental Quality (TCEQ) located at http://www.swf.usace.army.mil/Portals/47/Users/053/21/821/NWP%20201 7%20Texas%20401 cert.pdf.

The special conditions are as follows:

1. The permittee shall use a phased cofferdam system for the crossing of the Brazos Riveras depicted on the “Inverted Siphon Plan & Profile Sheet I of 2” received via electronicmail January 15, 2018, prepared by Lockwood, Andrews & Newman, Inc. The phasedcofferdam system shall be used to maintain low flows of the Brazos River.


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2. The permittee understands and agrees that, if future operations by the United Statesrequire the removal, relocation, or other alteration, of the structure or work hereinauthorized, or if, in the opinion of the Secretary of the Army or his authorizedrepresentative, said structure or work shall cause unreasonable obstruction to the freenavigation of the navigable waters, the permittee will be required, upon due notice fromthe Corps of Engineers, to remove, relocate, or alter the structural work or obstructionscaused thereby, without expense to the United States. No claim shall be made againstthe United States on account of any such removal or alteration.

Failure to comply with these specifications and conditions invalidates the authorization and mayresult in a violation.

Our verification for the construction of this activity under this nationwide permit is valid untilMarch 18, 2022, unless prior to that date the nationwide permit is suspended, revoked, ormodified such that the activity would no longer comply with the terms and conditions of thenationwide permit on a regional or national basis. The USACE will issue a public noticeannouncing the changes when they occur. Furthermore, activities that have commenced, or areunder contract to commence, in reliance on a nationwide permit will remain authorized providedthe activity is completed within 12 months of the date of the nationwide permit’s expiration,modification, or revocation, unless discretionary authority has been exercised on a case-by-case basis to modify, suspend, or revoke the authorization in accordance with 33 CFR 330.4(e)and 33 CFR 330.5(c) or (d).

The USACE based this decision on a preliminary jurisdictional determination (PJD) that thereare waters of the United States on the project site. A PJD is not appealable. At any time youhave the right to request and obtain an Approved Jurisdictional Determination (AJD), which canbe appealed. If it is your intent to request an AJD, do not begin work until one is obtained.

Our review of this project also addressed its effects on threatened and endangered species.Based on the information provided, we have determined this project will not affect any specieslisted as threatened or endangered by the U.S. Fish and Wildlife Service within our permit area.However, please note you are responsible for meeting the requirements of General Condition18 on endangered species.

The permittee must sign and submit to us the enclosed certification that the work, includingany proposed mitigation, was completed in compliance with the nationwide permit. Thepermittee should submit the certification within 30 days of the completion of work.

This permit should not be considered as an approval of the design features of any activityauthorized or an implication that such construction is considered adequate for the purposeintended. It does not authorize any damage to private property, invasion of property rights, orany infringement of federal, state, or local laws or regulations.

Thank you for your interest in our nation’s water resources. If you have any questionsconcerning our regulatory program, please refer to our website at


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http://www.swf.usace.army.mil/Missions/Regulatory or contact Mr. Eric Dephouse at theaddress above or telephone (817) 886-1820.

Please help the regulatory program improve its service by completing the survey on thefollowing website: http://corpsmapu. usace. army. mil/cm_apexff?p=regulatory_survey

Sincerely,

ORIGINAL SIGNEDStephen L BrooksChief, Regulatory Division

Enclosures

Copy Furnished (Without Enclosures):

i-Ms. Bonnie DoggettBlanton & Associates, Inc.5 Lakeway Centre Court, Suite 200Austin, Texas 78734


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