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CITY OF LENEXAPublic Works Department
Design Criteria and Plan Requirements
For
Street, Stormwater, and Street Lighting
Improvements
FEBRUARY 2005 REVISION
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I. PURPOSE
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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The purpose of this document is to summarize the design criteria for design, and stipulate the
minimum requirements for plans for street, stormwater, street light, and traffic signal
improvements in the City of Lenexa. The design criteria are found in their entirety in the
appropriate sections of the City Code, and are only partially addressed here. However, all
design elements must conform to the Design Criteria shown in the City Code.(M = meters) (mm = millimeters) (metric value)
II. DESIGN CRITERIASTREETS
Classification
Minimum
ROW Width
(ft)
Minimum
Street
Width (ft)1
Grade
Maximum
Minimum
(%)
Design
Speed
(MPH)2
Minimum
Curve
Radius8
Sidewalks
Sides of
Street/Width
(ft)
Arterial, 4-Lane,
Divided
1003
(30.5M)
2/28
2/(8.5M)
6/1 45
(70)
643
(184M)
2/54
Collector, 3-Lane 70
(21.33M)
40
(13.4M)
8/1 30-40
(50-65)
485
(150M)
2/5
Collector, 2-Lane 60
(18.3M)
28 (8.5M) 8/1 30-35
(50-60)
340
(123M)
2/5
Collector, 2-Lane,
Residential
50
(15.25M)
26
(7.9M)1
8/1 30-35
(50-60)
340
(123M)
2/5
Local, 2-Lane 50
(15.25M)
285
(8.5M)
10/1 25
(40)
20011
(60M)
1/4
Ind./Bus. Park 606
36 6/1 25-30(40-50)
33311
(116M)None
7
1 Street width measured from curb back to curb back. Additional width may be required to
accommodate turn lanes as necessary.
2 Design speed criteria for horizontal and vertical alignment shall reasonably comply with the guidelines
set out in the most recent edition of AASHTO's Green Book (AASHTOs A Policy on Geometric
Design of Highways and Streets).
3 Minimum median width = 16 feet.
4 A recreational path or trail with a minimum width of 8 feet (2.4M) shall be provided in lieu of 1 of the
required 5-foot (1.5M) sidewalks in those locations designated for recreational trails by the City Parks
and Recreation Department.
5 22' where approved by City Engineer, see Section 4-2-C-2(D)(13).
6 Right-of-way and paving width of 70 (21.3M) and 40 (12.2M), respectively, will be required whereheavy truck traffic is anticipated.
7 A pedestrian circulation plan may be required where heavy truck traffic is anticipated.
8 Based on a 6% maximum superelevation rate.
9 Utility easements with a minimum width of 10 (3.1M) shall be required on both sides
10 Reverse curves will not be permitted. A minimum distance between curves shall be 2 times L for
the appropriate radius and speed from AASHTOs, A Policy on Geometric Design of Highways and
Streets, titled Superelevation Runoff Lr (ft) for Horizontal Curves, and emas = 6%.
11. Superelevation will not be allowed on local or Industrial/Business Park streets.
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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CUL-DE-SAC CRITERIA
STREET
CLASSIFICATION
Max.Length
(Meters)(1)
Min.R.O.W .Width
(Meters)
MinStreetWidth
(Meters)(2)
Min.Radius
of R.O.W .AtBulb(Meters)
Min.
Radius
of Pavement
at Bulb
(Meters)
(3)
Max.
Radius
of Island
(Meters)COMMENTS
2 Lane Local
Residential Street1000
(305M)50
(15.2M)28
(8.5M)50
(15.2M)40
(12.2M)See
(4)
Maximum 50
Dwelling Units
Industrial Street/
Business Park1000
(305M)60
(18.3M)36
(11M)60
(18.3M)50
(15.2M)Island
not
Permitted
N/A
Collector 2 Lane
Street 1000(305M) 60(18.3M) 36(11M) 60(18.3M) 50(15.2M) IslandNotPermitted
N/A
Collector 3 Lane
Street1000
(305M)70
(21.3M)44
(13.4M)60
(18.3M)50
(15.2M)Island
Not
Permitted
N/A
Local 2 Lane
Rural Street1000
(305M)60
(18.3M)24
(7.3M)50
(15.2M)40
(12.2M) See(4)
Maximum 50
Dwelling Units
1. Measured from the near side of Right-of Way line of the intersecting street to the center line of cul-de-sac bulb.
2. Measured back-to-back of the curb and gutter sections except Local 2-lane Rural Streets are measured to the edge
of pavement surface.
3. Radius measured at back of curb.
4. See Residential Cul-De-Sac design alternatives FIGURE 1 for island application.
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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TEMPORARY CUL-DE-SAC CRITERIA
CUL-DE-SAC
TYPE(1)
Max./Min.Length
(Meters)
(2)
Min.R.O.W .Width
(Meters)
MinStreetWidth
(Meters)
Min.Radius
of R O.W . .
AtBulb(Meters)
Min.
Radius
of
Pavementat Bulb
(Meters)
Max.
Radius
of Island
(Meters)
COMMENTS
Standard Bulb
(ALL Street
Classifications)
1000/150
(305M/45M)See Table
AboveSee Table
AboveSee Table
AboveSee Table
AboveIsland
not
Permitted
See Drawing 1
Below
Modified
Hammerhead
(Residential
Streets Only) (3)
1000/150
(305M/45M)
See
Drawing
Below
See Table
AboveSee
Drawing
Below
See
Drawing
Below
Island
Not
Permitted
See Drawing 2
Below
Hammerhead
(Commercial/Industrial Fire
Access Lane)
1000/150
(305M/45M)
See
Drawing
Below
See Table
Above
See
Drawing
Below
See
Drawing
Below
Island
Not
Permitted
See Drawing 3
Below
(1) Pavement thickness for the temporary cul-de-sac shall be the same as for a permanent cul-de-sac.
(2) When length of street from nearest intersectionmeasured from the near curb returnexceeds 150 Ft. (45M), a temporary cul-de-sac will be required.
(3) Modified Hammerhead Cul-De-Sacs will only be allowed on Residential Streets, and only when approvedby City Engineer.
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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DRAWING 2
Not to Scale
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CITY OF LENEXA
DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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DRAWING 3
Not to Scale
MEDIAN ISLANDS ON LOCAL STREETS
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DESIGN CRITERIA & PLAN REQUIREMENTS
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(Including Commercial/Industrial Streets)
Median islands at the entrance to subdivisions, on local streets (with single lane in each
direction on the local street), shall meet the criteria stated in the following table:
Length* Width** Curb Setback
Distance***
Width of Adjacent
Lanes
Radius of
Island NoseMin. Max. Min. Max Type Min. Min. Max. Min./Max.
40 100 6 20 C 3 14 16 Width
* A mountable nose (per City Standard Details) shall be installed at both ends of the island.
Length of the mountable nose shall be included in the Min. and Max. island length.
** Width shall be measured from back of curb to back of curb.
***Setback is the distance from the back of curb to the nearest point on any object within the
medianincluding plantings other than grass.
Other dimensions and criteria may be required when, in the opinion of the Engineer, site
conditions warrant. Regardless of the criteria applied, the configuration of the street and
island shall accommodate a WB-50 design vehicle without encroachment onto the island
including the curb for the island. A Keep Right sign shall be installed on all entrance
islands at each end of the island. Installation shall be in accordance with the MUTCD.
Median configuration where there are auxiliary lanes, such as left and right turn lanes, shall
not be subject to the requirements shown in the table above, but shall be designed per
AASHTOS A Policy on Geometric Design of Highways and Streets for the individual
intersection conditions. The need for auxiliary lanes shall be determined by a traffic study, or
shall be determined by the Engineer.
STORM DRAINAGE
All stormwater drainage systems shall be designed in accordance with section 5600 of the
Standard Specifications and Design Criteria published by the Kansas City Metropolitan
Chapter of the American Public Works Association (APWA), and in accordance with The
Manual of Best Management Practices (BMPs) for Stormwater Quality, dated September
2003 and published by the Mid-America Regional Council (MARC) and the American Public
Works Association, except that in Paragraph 5601.5 of the Standard Specifications and
Design Criteria published by the Kansas City Metropolitan Chapter of the American Public
Works Association the following shall be added:
1. At the Beginning of section 5601.5, just prior to subsection A, add the followingsentence:
In the event of any conflict between this Section and the provisions of the Citys
Stream Setback Article (4-1-O), the Stream Setback Article shall govern.
2. Under section 5601.5 A.3, between the footnote for the second paragraph, and theparagraph defining Flood Problems, add the following sentence:
Notwithstanding the foregoing, it is the opinion of the City of Lenexa that any
development will degrade water quality, cause stream erosion and contribute to
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DESIGN CRITERIA & PLAN REQUIREMENTS
FOR STREET, STORMWATER, AND TRAFFIC-RELATED IMPROVEMENTS
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adverse ecological impacts. Therefore, controls shall be implemented for the 10%
and 50% storms in every instance.
General location and width of stream setback are shown on the City web site at
www.ci.lenexa.ks.us under the departments, public works, watershed section of the web site(Or at www.raintorecreation.org > ordinance/codes > Stream Setback). Actual stream setbacks
must be based on surveyed locations. Where one acre or more will be disturbed by the
construction, a National Pollutant Discharge Elimination System (NPDES) permit will be
obtained from the state.
In addition to the Section 5600 requirements, as adopted by Lenexa, All Engineered
Channels shall have a minimum slope of 3%. Vegetated Swales, when used as a BMP, may
have a slope lower than 3%. Open Channels, as defined by Section 5600, may also have
slopes below 3%, when allowed by Section 5600. Engineered Channels and Open Channels
shall be as defined by Section 5600. Vegetated Swales shall be defined per the MARC
manual on BMPs, as adopted by Lenexa.
In addition to the above criteria, underdrain shall be placed around the perimeter of any cul-
de-sac or subdivision entry island. This is not a design criteria, but rather a construction
requirement, as stated below in the plan requirements.
The City of Lenexa General Conditions, Technical Specifications, and Standard Drawings
shall control the construction, equipment, and materials of all public improvements.
Prior to beginning any construction, submittals are required for materials as listed in the
Technical Specifications.
EROSION CONTROL
All public improvements, development, and land disturbance shall be designed in accordance
with section 5100 of the Standard Specifications and Design Criteria published by the
Kansas City Metropolitan Chapter of the American Public Works Association, (hereinafter
referred to as Section 5100), with the following revisions, deletions and/or exceptions:
1. Any reference in Section 5100 to Sections 2100, 2101, 2102, 2103, 2150, or 2605shall mean a reference to the appropriate section of the City of Lenexa Technical
Specifications.
2. Any reference in Section 5100 to an ESC shall mean a reference to the City ofLenexa Standard Details.
3. Table 5102-1 in Section 5102.3: Professional Standards is hereby amended asfollows: Delete the lines in the table for the roles of Installer and Capital
Construction Inspector or Developer Inspector.
4. Section 5103.3 Verification of Design Performance is hereby deleted and a newSection 5103.3 is added to read as follows: 5103.3 Performance Criteria: No
visible sediment shall leave the site.
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5. Section 5105.1 Matrix, the Best Management Practices table on Pages 5100-40through 44 is hereby amended as follows:
a. In the lines for Sodding, Mulching and Hydro Mulch, Tackifiers, SoilBinders and Bonded Fiber Matrix, delete the references under the heading
Design Standard Section, and enter NA.b. Delete the lines designated Vegetated Buffers (Filter Strips), Vegetated
Stream Buffers, Infiltration Basin, and Infiltration Trench.
c. In the lines for Temporary Fill Diversion, Temporary Diversion Dike,and Right of Way Diversion, delete the references under the heading
Design Standard Section, and insert 5108.10, 5108.10, and 5108.10
respectively.
d. Delete the lines titled Dust Control, Solid Waste Disposal, SanitaryWaste Disposal, and Spill Prevention and Material Management.
6. Section 5106.1 Construction Sequence Schedule is hereby amended as follows:Under Design Criteria, delete the sentence Immediately after land clearing and
grading, apply surface stabilization on graded areas, channels, dikes, and all otherdisturbed areas where construction activity will not take place for 30 days. And
insert the following sentence: Immediately after land clearing and grading, apply
surface stabilization on graded areas, channels, dikes, and all other disturbed areas
where construction activity will not take place for 14 days.
7. Section 5106.6 Vegetative Buffers (Filter Strips) is hereby deleted in its entirety.8. Section 5106.7 Vegetated Stream Buffers is hereby deleted in its entirety.9. Section 5106.8 Tree Protection is hereby deleted and a new Section 5106.8 is
hereby added to read as follows: 5106.8 Tree ProtectionRefer to Section 4-1-
D-2 of the City Code for Tree Protection Criteria.
10.Sections 5107, 5107.1, 5107.2, 5107.3, 5107.4, 5107.5, and 5107.6 are herebydeleted in their entirety.
11.Section 5108.4 Sediment Fence Installation Machines is hereby deleted in itsentirety.
12.Section 5108.8 Drop or Curb Inlet Protection is hereby amended by deleting items4a through 4k under Planning Considerations, and inserting new items 4a - 4e as
follows:
a Curb/Yard Inlet Gravel Filterb Sediment Trapc Gutter Buddy Curb Inletd Beaver Dam or True Dame Other measures approved by the Engineer
13.Section 5108.10 Diversions is hereby deleted and a new Section 5108.8 is addedto read as follows: 5108.10 Diversions: Diversions shall be designed in
accordance with the portion of Section 5600 of the American Public Works
Association Kansas City Metropolitan Chapter Standards, Specifications, and
Design Criteria regarding Engineered channels, as adopted by the City, except
that no easement will be required.
14.Section 5108.14 Triangular Silt Dike is hereby deleted in its entirety.
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15.Section 5108.15 is hereby amended to deleted the subsection entitled DesignCriteria, and a new Design Criteria subsection is added to read as follows: Grass-
lined Channels shall be designed in accordance with the portion of Section 5600
of the American Public Works Association Kansas City Metropolitan Chapter
Standards, Specifications, and Design Criteria regarding open channels, asadopted by the City, except that the channel lining shall not be concrete or riprap.
16.Section 5108.16 Outlet Stabilization Structures is hereby amended to delete item4 under Design Criteria, and a new item 4 is added to read as follows: The tractive
force method shall be used to design the size of rock to be used for riprap, and the
length and width of the riprap field. The rock size, field length and field width
shall be set so as to be at the point of incipient motion during the design storm.
The outlet stabilization structure shall be designed to withstand the 10-year flood
with 0.5 feet of freeboard below the emergency spillway, and 3 feet of freeboard
below the top of dam, whichever provides greater freeboard below the top of dam.
17.Section 5108.17 Infiltration Basin is hereby deleted in its entirety.18.Section 5108.18 Infiltration Trench is hereby deleted in its entirety.
The intent of these criteria are to:
Fit the development/improvement to existing site conditions; Protect areas to be disturbed from storm water runoff; Minimize the extent and duration of exposure; Stabilize disturbed areas and minimize erosion at the outlet of all pipes and paved
channels;
Minimize sediment-laden runoff; Retain sediment on the site; Set criteria for inspection and maintenance of control measures; and Criteria shall conform to performance measures and meet or exceed outcomes, as
determined through a visual inspection of sediment transport within the site and
sediment deposition off the site.
In addition to the deletions and exceptions to Section 5100 noted above, the following shall
also apply:
1. Section 5108.19.1 shall be modified as follows: Under Design Criteria, add the following:
4. All utility crossings of a watercourse that has either a stream buffer, or a
flow that continues more than 24 hours after a rainfall, or that is designated
by the Engineer, shall be crossed by trenchless technology. Bore pits must
be excavated a minimum of 10 away from the top of bank and out of the
channel.
5. Open cut will be allowed when the conduit being installed is larger than 12
in diameter, or when deemed by the Engineer to be excessively expensive
to install by trenchless methods.
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6. Whether the utility is installed by trenchless means or by open cut, the
width of stream buffer disturbed by the construction shall not exceed 25
unless approved by the Engineer.
7. Per Stream Setback Ordinance 4-1-O-6 Section B.7, construction of any
water or wastewater lines must not disturb area closer than 25 from top ofbank unless approved by the Engineer.
Under Design Criteria, item 3., delete the existing item 3 and insert thefollowing:
3. When open cut is allowed as the method of installing the utility stream
crossing, water-diversion structures will be used at all trenching and
construction road approaches at points 50 on either side of the crossing.
2. Section 5108.19.2 shall be modified as follows: Under Planning Considerations, add the following between the first and second
paragraphs:
A temporary stream crossing shall be installed whenever construction traffic
may be crossing a designated stream buffer, a watercourse that has flow for
more than 24 hours after a rainfall, or as designated by the Engineer. A
temporary stream crossing shall not be allowed when it might cause flooding
of adjacent property or damage the riparian corridor in which such a crossing
would be constructed. Upon removal of any temporary stream crossing, the
watercourse shall be stabilized within 24 hours. The contractor shall not work
in the watercourse channel except during installation or removal of a
temporary stream crossing unless approved by the Engineer. Whenever work
is approved in the channel, the channel shall be stabilized before, during, and
after the work with Native Grasses or other plantings approved by the
Engineer.
Under Design Criteria, Number 1.a., add the following sentence:Temporary Bridge Crossings shall be installed in accordance with these
criteria, and in accordance with the Standard Details.
Under Design Criteria, Number 2.a, add the following sentence:Temporary Culvert Crossings shall be installed in accordance with these
criteria, and in accordance with the Standard Details.
3. Section 5108.16 shall be modified as follows: Delete the first paragraph and insert the following: An Outlet Stabilization Structure is a structure intended to control erosion at
the outlet of a channel or conduit. As a minimum, a rock outlet typestabilization structure shall be provided at the outlet of all channels and
conduits. Other outlet structures proposed must be approved by the Engineer.
All Outlet Stabilization Structures (Riprap field, stilling basin, or energy
dissipater) shall be designed in accordance with the Erosion Control Design
Memorandum for the City of Lenexa, dated 11 February 2005. Copies of the
Memo and supporting documents are available in the Planning and Public
Works Departments at City Hall.
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STREET LIGHTS
The street lighting system shall consist of one or more control centers, the distributionsystem, street light poles, luminaires and any other appurtenances required to provide a
complete, operable street lighting system. Components of the system shall conform to the
City of Lenexas Technical Specifications.
The street lighting design and layout shall be based on the ILLUMINANCE criteria for
continuous lighting in the latest edition of the American National Standard Practice for
Roadway Lighting, Illuminating Engineering Society (IES). The standard spacings in the
table below have been determined based on street classification.
STANDARD LUMINAIRE SPACING (1)Street Classification Location Luminaire
Light
PoleSpacing
Residential Local (28) (8.5M) Single Side 150W Shoe Box 20(6M) 200 (61M)
Residential Collector (36) (11M) Single Side 150W Shoe Box 20(6M) 150 (45M)
Industrial Local (36-40) (11-12.2M) Single Side 250W Cobrahead 30-A-6 200 (61M)
Other Street Classification (2) (2) (2) (2)
(1) LLF = 0.69
(2) as determined by a photometric analysis
Note: At locations where additional lighting may be beneficial such as around curves or at
intersections, the pole spacings should be reduced to improve the lighting levels.
Street lighting in residential areas shall consist of shoe box-style luminaires mounted to 20-
foot (6 m) round, tapered poles. The luminaires and the poles shall have an anodized dark
bronze finish, as specified in the Technical Specifications. The use of post-top luminaires
mounted to 14-foot (4.27 m) poles requires special approval by the City. Street lighting in
non-residential areas shall consist of street light poles with 30-foot (9 m) or 40-foot (12 m)
mounting heights. The use of single member luminaire arms (Type A) is preferred and
should be used whenever possible in lieu of the truss-style luminaire arms (Type B).
All street light poles shall have a minimum setback of 3 feet (0.9 m) from the back of curb to
the center of the pole. In addition, street light poles in residential areas shall be installed on
the property lines or as close to the property line as possible to avoid conflicts with
driveways and to minimize the amount of ambient street light shining into adjacent houses.
The lamps shall be High Pressure Sodium (HPS) and shall be one of the following:
a. 400-watt lamps shall be rated at 50,000 lumens with a 40,000-hour rated life,b. 250-watt lamps shall be rated at 30,000 lumens with a 40,000-hour rated life,
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c. 150-watt lamps shall be rated at 16,000 lumens with a 40,000-hour rated life.Street lights in residential areas shall be 150-watt HPS lamps while non-residential areas
shall contain 250-watt or 400-watt HPS lamps.
The distribution system shall be underground. Conduit is required in every location where
cable passes under any type of paved surface or behind storm sewer inlets. In residential
areas where future driveways and utility connections are likely to occur, conduit is required
along the entire length of the run between street light poles. Conduit is also required along
the entire run between poles in areas where rocky terrain exists. Except where it crosses the
street, distribution cable shall be behind the back of curb or outside the edge of pavement.
The distribution cable shall be sized so that the voltage drop does not exceed five percent
(5%) at any point in the system. The Engineer MUST submit voltage drop calculations to
support this requirement.
Conductors for the distribution system shall typically be No. 4 AWG but in no case largerthan No. 2 AWG. Pole and bracket cable shall be No. 12 AWG, 2-conductor stranded copper
conforming to IMSA Specification 19-1.
All street lighting circuits shall be 240 volts and shall be laid out in a way that maximizes the
use of each control center. Each lighting circuit shall be contained in a separate conduit,
except for the conduit run between the control center and the adjacent junction box. In that
case, one 3-inch (75 mm) conduit shall be installed from the control center to a Type II
junction box that is installed adjacent to the cabinet. Distribution cable for each of the
lighting circuits shall be routed through this conduit to the junction box.
Junction boxes shall be installed on each end of a pavement crossing where direct buried
cable begins and ends. Junction boxes shall also be used where splices in the distribution
cable are required or where sharp 90-degree bends in conduit are required. The installation
of junction boxes in sidewalks should be avoided while the installation of boxes in streets
and driveways is unacceptable. Type II junction boxes shall be used where more than two
conduits enter/exit the box. Type I junction boxes shall be used where one or two conduits
enter/exit the box. Junction boxes shall be installed at least 2 feet (0.6 m) from the back of
curb to the center of the box and no closer than 2 feet (0.6 m) to any street light pole.
The electrical system shall conform to the requirements of the National Electrical Code, the
National Electrical Safety Code and service standards issued by the utility which will be
supplying power to the street lighting system. The Engineer shall coordinate and verify the
location of proposed feed points with the utility company to ensure availability of service.
Control centers should be located adjacent to the sidewalk or at least 5 feet (1.5 m) from the
back of curb to the center of the control center where no sidewalk exists. When the location
of the control center has been finalized and power has been verified with the utility company,
the City will provide the Engineer with an address and an identification number for each
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proposed control center. The address and identification number shall be placed in the lower
right corner of the street lighting plan sheet above the titleblock. In addition, luminaires shall
be numbered using the identification number. For example, street lights on Circuit 1 on
Controller AB should be labeled as AB 1-1, AB 1-2, AB 1-3, etc. If twin luminaires are
mounted to the street light pole, the luminaires should be labeled as AB 1-1 and 1-2, AB 1-3and 1-4, AB 1-5 and 1-6, etc.
TRAFFIC SIGNALS
The traffic signal system shall consist of the signal controller, signal poles, signal heads,
cable, conduit, vehicle detectors and any other appurtenances required to provide a complete,
operable traffic signal system. Components of the system shall conform to the City of
Lenexas Technical Specifications.
Signal poles shall typically be located a minimum of 6 feet (1.8 m) from the back of curb to
the center of the pole. When pedestrian signal heads are used, signal poles with push buttonsshould be placed at locations that are convenient to the pedestrian. However, the City does
not require that poles be aligned with the crosswalk locations.
When designing a traffic signal whether its an existing signal or a new signal, the signal
phasing shall be discussed with the City in order to determine the number and sequence of
the phases. The City uses a standard phasing sequence which is shown below:
Phase 1 southbound left
Phase 2 northbound through
Phase 3 westbound left
Phase 4 eastbound through
Phase 5 northbound left
Phase 6 southbound through
Phase 7 eastbound left
Phase 8 westbound through
Traffic signal heads shall be placed in accordance with theManual on Uniform Traffic
Control Devices (MUTCD). In addition, the City has developed some guidelines in an effort
to standardize the placement of signal heads:
Typically, a standard three-section head (Signal Head A) should be centered overeach EXITING lane for all through lanes of traffic.
When a left-turn lane is provided without left-turn phasing, no separate signal headshould be provided for the left-turn movement.
When protected left-turn phasing is specified, the three-section head (Signal Head B)should typically be centered over the left-turn lane. Likewise, when dual left-turn
movements are specified, a separate Signal Head B indication should be centered over
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each left-turn lane. In addition, a separate LEFT TURN SIGNAL sign (R10-10) shall
accompany each Signal Head B indication.
When protected/permissive left-turn phasing is specified, a four-section head (SignalHead Dd) should be placed over the extension of the channelization line between the
left-turn lane and the adjacent through lane. Signal Head Dd shall be accompanied bya LEFT TURN YIELD ON symbolic green ball sign (R10-12).
All traffic signal and pedestrian indications shall be LED displays. In addition, backplates
shall be provided for all traffic signal heads that are mounted to the mast arm. Signal heads
that are mounted to the signal pole should not be equipped with backplates.
Opticom emergency preemption equipment shall be shown on the signal plan and shall be
designed for ALL directions of traffic at an intersection.
When vehicle detector loops are used, advance detector loops shall be placed at standard
distances. The figure below illustrates these various distances and are based on the posted
speed limit. Please note, the distances are measured from the BACK of the stop bar to the
BACK of the loop.
Standard loop dimensions for stop bar detection include 6 ft. x 50 ft. (1.8 m x 15 m) and 6 ft.
x 6 ft. (1.8 m x 1.8 m) detector loops. When a main road is programmed to be on recall, the 6
ft. x 6 ft. (1.8 m x 1.8 m) detector loop should be used on the main road approaches for stop
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bar detection. The 6 ft. x 50 ft. (1.8 m x 15 m) loops should be used in all other cases and for
all left-turn lane loops. All advance detector loops shall be 6 ft. x 6 ft. (1.8 m x 1.8 m)
detector loops. In order to determine where to place a 6 ft. x 50 ft. (1.8 m x 15 m) stop bar
detector loop, the City typically places the FRONT of the loop 15 to 20 feet (4.5 to 6.0 m)
from the nearest edge of the through lane of the intersecting road extended. For 6 ft. x 6 ft.(1.8 m x 1.8 m) stop bar detection loops, the front of the loop should be placed 59 to 64 feet
(19.8 to 21.3 m) from the nearest edge of the through lane of the intersecting road extended.
When video detection is used, the video detection system shall be manufactured by Econolite
and shall be the Autoscope Solo Pro system. Typically, the video detector should be
mounted to the luminaire arm that is attached to the traffic signal pole. When video detectors
are used for advance detection, the video detectors should be mounted to the luminaire arms
of street light poles within close proximity to the intersection. The manufacturers
representative shall be consulted to determine the proper placement of the video cameras. In
addition to the video detectors, detection zones shall also be illustrated on the signal plan.
Service boxes shall typically be provided whenever conduit changes direction and adjacent to
signal poles and controllers. Junction boxes should typically be used adjacent to detector
loop locations for the splicing of loop wire to the lead-in cable. Type I junction boxes shall
be used where one or two conduit runs enter/exit the box. Type II junction boxes shall be
used where more than two conduit runs enter/exit the box. Service and junction boxes shall
be installed at least 2 feet (0.6 m) from the back of curb to the center of the box and no closer
than 2 feet (0.6 m) to any pole. The distance between service and/or junction boxes shall not
exceed 500 feet (150 m) to facilitate the pulling of cable.
All conduit for traffic signal installations shall be either Schedule 40 polyvinyl chloride
(PVC) conduit or Schedule 40 high density polyethylene (HDPE) conduit. Rigid metallic
conduit shall NOT be used. Signal conduit that extends from signal poles to adjacent service
boxes should typically be 3-inch (75 mm) conduit while signal conduit that extends from the
signal controller to the adjacent service box shall consist of two 4-inch (100 mm) conduits.
Signal conduit that extends from service box to service box should be either 3-inch (75 mm)
or 4-inch (100 mm) conduit, depending upon the number and size of conductors. Signal
conduit for advance detector conduit runs should typically be 1.5-inch (38 mm) conduit while
conduit for signal interconnect/fiberoptic cable should typically be 2-inch (50 mm) conduit.
Please note, street lighting cable is permitted in signal conduit runs and boxes. The conduit
sizes above are typical applications. The Engineer, however, shall verify that the signal
conduit is properly sized so that no more than 40 percent of the conduit cross-sectional area
is filled.
The Engineer shall coordinate and verify the location of the proposed secondary service point
with the appropriate utility company to ensure availability of service. A conduit with a pull
string shall extend from the controller to the secondary service point.
A 2-inch (50 mm) conduit shall be used when Kansas City Power & Light is providing the
power; a 3-inch (75 mm) conduit shall be used when WestStar is providing the service.
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Controllers should typically be located adjacent to and behind the sidewalk or at least 10 feet
(3.0 m) from the back of curb to the center of the controller where no sidewalk exists. In
locations where no curb exists, the controller should typically be placed more than 10 feet
(3.0 m) from the edge of pavement to the center of the controller if possible. When thelocation of the controller has been finalized and power has been verified with the utility
company, the City will provide the Engineer with an address and an identification number for
each proposed controller. The address and identification number shall be placed in the lower
right corner of the traffic signal plan sheet above the titleblock.
The City has standardized the number of conductors required for the various types of traffic
signal equipment. Cable for vehicle signal heads should consist of 7-conductor cable while
cable for pedestrian and pushbutton detectors should consist of 5-conductor cable. Typically,
the City uses 1-7c per phase for the vehicle signal heads regardless of how many heads are on
the mast arm or the signal pole. When pedestrian heads and pushbutton detectors are used, 1-
7c cable should extend from the controller to the signal pole for the pedestrian head(s) on thepole and 1-5c should extend from the controller to the signal pole for the pushbutton
detector(s) on the pole. Detector lead-in cable should consist of 4-conductor cable while
detector loop wire should consist of single conductor PVC/nylon with tube jacket. Street
lighting distribution cable should consist of 3-1c No. 4 AWG while pole and bracket cable
shall be No. 12 AWG 2-conductor stranded copper conforming to IMSA Specification 19-1.
In addition, all street lighting cable for luminaires on signal poles should be spliced inside the
signal pole, not the service box adjacent to the pole. Fiber optic cable shall consist of a 72-
fiber cable assembly which includes 36 single-mode and 36 multimode-graded fibers.
The City has developed some typical signal timings and some guidelines that should be used
when developing timings for a proposed traffic signal. They are as follows:
Maximum Green to be determined by the City Walk 5 seconds Flashing Dont Walk distance is measured from the back of curb to the far side of
the traveled way and is then divided by 4 feet/second (1.2 m/s) to obtain the Flashing
Dont Walk time.
Minimum Green 6 seconds for through and left-turning phases. In cases wherethere are 6 ft. x 6 ft. (1.8 m x 1.8 m) detector loops at the stop bar and the approach is
on recall, 12 seconds of minimum green should be used.
Passage 1 second for through and left-turning phases Yellow should be determined using the methodology found in the latest edition ofITEsManual of Traffic Signal Design. For protected/permissive and protected left-
turn phases, use a 25 mph (40 km/h) speed limit for the calculations.
Red Clear should be determined using the methodology found in the latest editionof ITEsManual of Traffic Signal Design. For protected/permissive and protected
left-turn phases, use a 25 mph (40 km/h) speed limit for the calculations.
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In Table 1 Phase Functions, information should be entered into the following function
categories:
Vehicle Recall typically the main street through phases Permit all phases in use Pedestrian Phases all phases in use Lead Phases typically left-turn phases Start-up Green typically the main street through phases
In the Emergency Flash table, the indications for all applicable signal phases shall be RED
while the indication for pedestrian phases shall be DARK.
In the Detector Input File Layout, the detector loops for the through phases on the main street
should typically be arranged in such a way that enables the City to count traffic. This is done
by arranging the advance detector loops in the Extend and Count slots of the appropriate
detector channel and inserting the stop bar loops in the Extend or Call slots.
In Table 4 Detector Map, the City typically adds a 10-second delay for loops in exclusive
right-turn lanes that are not on recall. The City also adds a 3-second delay for loops in left-
turn lanes that could be called when a left-turning vehicle on the adjacent approach crosses
the loop. Lastly, when 6 ft. x 6 ft. (1.8 m x 1.8 m) detector loops are used for stop bar
detection, the City typically adds a 1.2-second carryover to extend the green time for these
particular loops.
In the Signal Output File Layout, the City prefers right-turn overlaps to be programmed
instead of hard-wired. This is done by connecting the yellow and green arrows in the EdSignal Head to field terminals 105, 111, 114 and/or 120.
Overhead street name signs shall be mounted to the mast arms using Astro-Brackets. There
shall be a minimum of two brackets per sign placed no more than 3 feet (1 m) apart with a
maximum of 1 foot (0.3 m) from the edge of the sign. Typically, the overhead street name
signs should be placed between the signal pole and the first vehicle signal head.
PAVEMENT MARKINGS
All proposed pavement markings shall conform to the City of Lenexas Technical
Specifications. The table below illustrates the various types of pavement marking materialthat shall be used depending upon the age and type of the surface.
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PAVEMENT MARKING GUIDELINES
Pavement TypePavement Marking Asphalt (2) Concrete Slurry Seal
WHITE lane line Thermo Epoxy Thermo
WHITE channelization line Thermo Epoxy Thermo
WHITE crosswalk lines Thermo Epoxy Thermo
WHITE stop bar Thermo Epoxy Thermo
WHITE diagonal Thermo (1) Epoxy Thermo
YELLOW solid centerline Thermo Epoxy Thermo
YELLOW broken centerline Thermo Epoxy ThermoYELLOW diagonal Thermo (1) Epoxy Thermo
ARROWSPreformed
ThermoEpoxy Thermo
ONLYPreformed
ThermoEpoxy Thermo
RR CrossingPreformed
ThermoEpoxy Thermo
1) Preformed thermoplastic may be substituted for extruded thermoplastic.2)
Binder-sealer will be required on asphalt older than two months.
Pavement markings shall be quantified according to pavement marking material type and
shall be illustrated in the pavement marking quantity tables as such.
Stop bars should typically be placed 4 feet (1.2 m) in advance of and parallel to the nearest
crosswalk line. In the absence of a marked crosswalk, the stop bar should typically be placed
at the desired stopping point, but should be placed no more than 30 feet (9 m) nor less than 4
feet (1.2 m) from the nearest edge of the intersecting traveled way. When determining the
desired stopping point, turning templates for left-turning vehicles should be shown on the
signal plan to determine where the stop bar should be placed without interfering with a left-
turning vehicle on the adjacent approach to the intersection.
With regards to parking lots, pavement markings for parking stalls shall be white in color.
All other parking lot markings shall be in conformance with the MUTCD.
Lane width dimensions shall be shown on the pavement marking plans and shall be
referenced from the lane line to the edge of pavement. As shown on the Standard Details,
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typical lane widths for a four-lane roadway should be 13 feet (4.0 m) for the lane adjacent to
the curb and 11 feet (3.4 m) for the lane adjacent to either opposing traffic or to the median if
the roadway is median-divided.
IRRIGATION SYSTEMSThe irrigation system shall consist of one or more feed points, distribution system, sprinkler
heads, control system, valves, boxes, and other appurtenances required to provide a complete,
operable system. Components of the system shall conform to the City of Lenexa Technical
Specifications.
The irrigation layout shall be so designed as to provide the manufacturers recommended
operating pressure throughout the system. Sprinkler heads shall be placed so as to provide a
5% overlap in the spray patterns. No component of the sprinkler system shall be placed
within 2 of the back of curb, except the supply line as it crosses the curb.
The designer shall coordinate the locations and components of the water line taps with theJohnson County Water District. Valve sizes for the supply line shall be the minimum size
sufficient to provide the required operating pressure. All material and work on the electrical
system shall meet the requirements of the National Electric Code, and/or the International
Building Code as adopted by the City of Lenexa, whichever is more stringent.
The City of Lenexa General Conditions, Technical Specifications, and Standard Drawings
shall control the construction, equipment, and materials of all public improvements.
Prior to beginning any construction, submittals are required for materials as listed in the
Technical Specifications.
III. PLAN REQUIREMENTS
GENERAL
All sheets submitted as part of street, stormwater, street light, and traffic signal improvement
plans shall be submitted on 22 x 36(560mm x 915mm) paper. Minimum lettering size
shall be 0.1 (2.54mm). Drawing scale for plan sheets and profile sheets shall be either 1 =
50 (1=500) or 1 = 20 (1=100) horizontally and 1 = 10 (1=100) vertically. Drawing scale
for cross-sections shall be 1 = 10 (1 = 100) horizontally and vertically. Materials and
equipment for incorporation into such projects shall conform to the City of Lenexa Technical
Specifications and Standard Details. Sheet format shall be FAS Plate 1 for plan and profile
sheets, and Plate 3 for storm sewer profile sheets and cross-section sheets. Separate sheets
may be used for plan and profile, but the grid pattern from Plate 1 shall be used for the
profile portion. The plan set shall include the following sheets as a minimum:
1. TITLE SHEET
The Title Sheet shall include the following information:
Subdivision or Project Name
Section, 1/4 Section, Township, and Range
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Vicinity Map (1"=max. 500')(1= max.300) with Location of Project
Project Benchmark
Index of Sheets
City Project Number (If Applicable)
Date of Plan PreparationUtility Owners
Contacts Name
Address
Phone Number
Signature Block for City Engineer
Licensed Engineers Seal, Signature, Address, and Phone Number
North Arrow and Bar Scale (or note if no scale)
Project Design Speed and Design ADT (ADT for arterial streets only)
2. GENERAL LAYOUT SHEET
The General Layout Sheet shall include the following information:North Arrow and Bar Scale
Site Plan, showing section lines and streets adjacent to the project with:
Streets, Street Names, (Existing & Proposed) Lot Lines, Subdivisions, Buildings within 200 (60M) of the proposed facility
(Screened to 65%)
Section corner ties to the nearest corners on both sides of the projectcenterline, and to the nearest section corner in the forward and reverse
direction of the project centerline (see attached example). In addition to tying
the project to the centerline by distance and bearing (and angle when the
section line/half section line crosses the centerline), the reference ties for the
corner itself will be shown. The project shall be tied to state plane horizontal
control points provided by the City.
*Legend of Symbols and abbreviations used in the plan set. *Summary of Quantities Table--showing quantities for bid items per the City
Technical Specifications (see Table 2, attached).
*General Notes:Note calling out use of City Specifications.
Note calling out tree protection per City Technical Specifications.
Note requiring Contractor to Reset Section Corner Monument if it is
disturbed by the construction.
Note requiring Contractor to Reset Property Pins if pins are disturbed bythe construction.
Other notes as applicable.
*This item may be on any of the first three sheets in the plan set.
TABLE 2: BID ITEMS
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NO. ITEM DESCRIPTION UNIT QUANT.
NEEDED
1 BASE REPAIR CY(CM) 1
2 CLEARING AND GRUBBING LS 1
3 COMPACTION OF EARTHWORK CY(CM) 1
4 CONTRACTOR FURNISHED BORROW CY(CM) 1
5 REMOVAL OF EXISTING STRUCTURES LS 1
6 UNCLASSIFIED EXCAVATION CY(CM) 1
7 ASPHALTIC CONCRETE, SURFACE (L-R/L-A) SY(SM) 1
8 ASPHALTIC CONCRETE, BASE (L-B) SY(SM) 1
9 BITUMINOUS SEALING SY(SM) 1
10 CRACK REPAIR MEMBRANE LF(LM) 1
11 CRACK SEALING LF(LM) 1
12 MODIFIED SLURRY SEAL SY(SM) 1
13 MILLING SY(SM) 114 PAVEMENT PATCHING SY(SM) 1
15 SLURRY SEAL SY(SM) 1
16 TEMPORARY ASPHALTIC CONC. SURFACING SY(SM) 1
17 CONCRETE BRICK PAVERS SF(SM) 1
18 CONCRETE MEDIAN NOSES EA 1
19 CURBS AND GUTTERS, TYPE LF(LM) 1
20 HANDICAPPED RAMPS EA 1
TABLE 2: BID ITEMS NO. ITEM DESCRIPTION UNIT QUANT.
NEEDED
21 INTEGRAL SIDEWALK RETAINING WALL SF(SM) 1
22 PORTLAND CEMENT CONC. OVERLAY SY(SM) 1
23 PORTLAND CEM. CONC. PVMT. (THICKNESS) SY(SM) 1
24 DRIVEWAY APRON, RESIDENTIAL SY(SM) 1
25 DRIVEWAY APRON, COMMERCIAL/INDUST. SY(SM) 1
26 CONCRETE SIDEWALK CONSTRUCTION SF(SM) 1
27 STABILIZED SHOULDERS SY(SM) 1
28 STONE MASONRY SF(SM) 1
29 TEMPORARY SURFACING T(MT) 1
30 BIOGABIONS CY(CM) 131 COIR FIBER LOGS LF(LM) 1
32 DITCH LINER SY(SM) 1
33 END SECTION (15")(400) EA. 1
34 END SECTION (18")(450) EA. 1
35 END SECTION (21")(525) EA. 1
36 END SECTION (24")(600) EA. 1
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37 END SECTION (27")(700) EA. 1
38 END SECTION (30")(750) EA. 1
39 END SECTION (36")(900) EA. 1
40 END SECTION (42")(1050) EA. 1
41 END SECTION (48")(1225) EA. 1
42 FILTER BERM LF(LM) 1
43 GABIONS CY(CM) 1
44 PRECAST CONCRETE BOX CULVERT LF(LM) 1
45 POLYACRYLIMIDES ACRE
(HA)
1
46 REINFORCED CONC. BOX CULVERT LF(LM) 1
47 STONE RIPRAP (Light/Heavy Series) (D50 Size)
(See Standard Specs.)
SY(SM) 1
48 ROLLED EROSION CONTROL PRODUCTS SY(SM) 1
49 STORM INLETS, (W x L) EA 150 MANHOLES EA 1
51 STORM SEWER, (15")(400) LF(LM) 1
52 STORM SEWER, (18")(450) LF(LM) 1
53 STORM SEWER, (21")(525) LF(LM) 1
54 STORM SEWER, (24")(600) LF(LM) 1
55 STORM SEWER, (27")(700) LF(LM) 1
TABLE 2: BID ITEMS NO. ITEM DESCRIPTION UNIT QUANT.
NEEDED
56 STORM SEWER, (30")(750) LF(LM) 1
57 STORM SEWER, (36")(900) LF(LM) 1
58 STORM SEWER, (42")(1050) LF(LM) 1
59 STORM SEWER, (48")(1225) LF(LM) 1
60 UNDERDRAINS LF(LM) 1
61 ADJUST. OF MANHOLES AND VALVES EA 1
62 SANITARY SEWERS LF(LM) 1
63 SANITARY SEWER ENCASEMENT LF(LM) 1
64 SANITARY SEWER SERVICE LINE LF(LM) 1
65 SANITARY SEWER SERVICE LINE
ADJUSTMENT
LF(LM) 1
66 WATER SERVICE LINE LF(LM) 1
67 WATER METER EA 1
68 BONDED FIBER MATRIX SY(SM) 1
69 BIOLOGICAL PLANTINGS, By Category EA 1
70 FENCING, AGRICULTURAL LF(LM) 1
71 FENCING, CHAIN LINK LF(LM) 1
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72 FENCING, DECORATIVE LF(LM) 1
73 HERBACEOUS SPECIES REMOVAL LS 1
74 IRRIGATION SYSTEMS LF
75 NATIVE SEEDING ACRE
(HA)
1
76 PRUNING EXISTING TREES EA 1
77 SEEDING ACRE
(HA)
1
78 SODDING SY(SM) 1
79 TEMPORARY EROSION CONTROL
SILT FENCE LF 1
CURB/YARD INLET GRAVEL FILTER EA 1
STRAW BALES LF 1
SMALL ROCK DITCH CHECK EA 1
SEDIMENT TRAP EA 1OTHER MEASURES SEE
PLANS
1
80 TREE RELOCATION EA 1
81 TREE WELL EA 1
TABLE 2: BID ITEMS NO. ITEM DESCRIPTION UNIT QUANT.
NEEDED
82 WOODY BRUSH REMOVAL ACRE
(HA)
1
83 TRAFFIC SIGNAL INSTALLATION LS 1
84 PAVEMENT MARKINGS 1
LINES LF(LM) 1
SYMBOLS EA 1
LETTERS EA 1
85 TRAFFIC SIGNAL INTERCONNECT LS 1
86 PERMANENT SIGNING EA 1
87 STREET LIGHTING POLES EA 1
88 STREET LIGHTING WIRE LF(LM) 1
89 STREET LIGHTING FEED POINT PEDESTAL EA 190 STREET LIGHTING JUNCTION BOX EA 1
91 STREET LIGHTING SERVICE BOX EA 1
92 STREET LIGHTING CONDUIT LF(LM) 1
93 TRAFFIC CONTROL LS 1
94 CONDUIT (Size) LF(LM) 1
95 PARK BENCH EA 1
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96 PARK GRILL EA 1
97 FROST FREE HYDRANT EA 1
98 PEDESTRIAN BRIDGE LS 1
99 PLAYGROUND EQUIPMENT EA 1
100 PLAYING SURFACE SY(SM) 1
101 RESTROOM EA 1
102 SHELTER EA 1
103 TRASH RECEPTACLE EA 1
104 BASE STABILIZATION SY(SM) 1
105 BORING LF 1
106 BOUND DRAINABLE BASE SY(SM) 1
107 CONTRACTOR FURNISHED STAKING LS 1
108 DEMOLITION (Building) LS 1
109 FIELD OFFICE EA 1
110 FLY ASH MODIFIED SUBGRADE SY(SM) 1111 FLOWABLE FILL CY(CM) 1
112 GEOCELLULAR CONFINEMENT SFF
(SMF)
1
113 GUARD FENCE LF(LM) 1
TABLE 2: BID ITEMS NO. ITEM DESCRIPTION UNIT QUANT.
NEEDED
114 MODULAR CONCRETE RETAINING WALL SF(SM) 1
115 LAND CORNER MONUMENT BOX EA 1
116 PAINTING OF METALLIC FIXTURES EA 1
117 PROJECT SIGN EA 1
118 STACKED STONE RETAINING WALL SFF
(SMF)
1
119 SURGE ROCK T(MT) 1
120 HANDRAIL LF 1
3. TYPICAL SECTION SHEET
The Typical Section Sheet shall include the following information:
Typical Cross-Section of Street(s) with the following dimensions and notes (with
dimensions for CUT on the left half of each section, and for FILL on the right halfof each section. The CUT and FILL shall be labeled below the section.):
Horizontal Dimensions for:
R/W to R/W Back to Back of Curb Lane Widths Compacted subgrade width Centerline and/or baseline to R/W
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Centerline to back of curbs on median R/W to edge of sidewalk
Vertical Dimensions (Thickness) for:
Compacted and/or treated subgrade Base (Asphalt or Concrete) Surface (Asphalt or Concrete) Sidewalk
Cross-slope for:
Pavement, base, subgrade Sidewalk Grass (Between Curb & R/W) Median
Notes describing and specifying:
Type of Base Type of Surface Type of Compaction Overbreakage Treatment Others as Needed
Superelevation Diagram and Tables (Where Applicable)
4. PLAN AND PROFILE SHEET
The Plan and Profile Sheets shall include the following information:
Plan View:
North arrow and bar scale Existing topographic features -- Trees, hedges, brush, buildings, pavement,
utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and othermanmade objects--screened to 65%. Utility locations will be shown in
accordance with ASCE Standard 38-02, Level D. Level A, B, or C may be
required if the location is critical to the design or construction.
Horizontal alignment of the proposed streets, including the following data:Stationing
Centerline
Tangent Bearings
Section Lines, 1/2 Section Lines, with labels when they appear on the
sheet
Section Corners, with labels when the corner appears on the sheet
Curve data including , R, L, T
Cul-de-sac and island radii (Proposed Facilities Only) For entry islands at subdivisions and for islands on cul-de-sacs, underdrain
shall be provided for the full perimeter of the island.
Proposed drainage structures numbered and/or labeled ** Other proposed structures Proposed edges of sidewalks
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Proposed edge of pavement and back of curb lines Station equation at all proposed intersections (including an intersection of a
proposed street with an existing street)
Construction Notes for the following items:Start/Stop station of proposed Curb & Gutter, Sidewalk, Islands, Curves,
Tapers, street light conduits and sleeves (with lengths)
Station and offset for Ctr. of Proposed M.H.,Ctr. of Jct. Box/Inlets--If
longitudinal grade is over 5%, use deflector inlet.
Proposed length and type of pipe to be installed
Adjustments for valve boxes, manhole tops, etc. to match proposed grades.
Sta./Offset/Width of Proposed (or Replacement) Drive Aprons
(Residential and/or Commercial)
Proposed light poles, control centers, service and junction boxes.
Sta. of proposed handicap ramps.
Sta. of structures to be removed.
Other notes as required.
Construction notes shall generally have the form shown below:
Property boundaries/lot numbers/owners Jurisdictional boundaries (City/ Drainage Districts) Street names, existing R/W, proposed R/W Section Lines & 1/2 Section Lines, with labels when they appear on the sheet Construction limits Easements of all types, existing & proposed (including temporary construction
easements).
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Limits of 100-year flood plain shown (if applicable) Drainage overflow routes for 100-year storm, shown with flow arrows. ** Dimensions of lanes, R/W, etc. at non-typical areas On private plans where the new street ties into a collector or a thoroughfare,
the Designer shall add a note requiring the Contractor to furnish evidence that
his insurance meets City requirements
100-year flood elevation for each lot Existing street light poles and control centers Proposed street light poles, control centers, cable, conduit, service boxes,
junction boxes and other proposed appurtenances which would be visible in
the plan view.
Existing traffic signal poles and controllers Proposed traffic signal poles, controllers, conduit, service boxes, junction
boxes and other proposed appurtenances which would be visible in the plan
view. Existing signs
** Pipes shall cross streets at an angle of as nearly 90 as possible. Crossings at angles less
than 80 will require the approval of the City Engineer.
Profile View:
Grades in % on tangents Sta/El. of PVC/PVI/PVT--At the approaches to intersections, when the
algebraic sum of the grades is equal to or greater than 4, a vertical curve will
be required. When the sum is less than 4, a vertical curve may be required.
At intersections of collector and arterial streets with other streets, a PI will notbe allowed at the edge of pavement, and a vertical curve will be required if
there is a need for a change in grade near the collector/arterial.
Utility/Storm Sewer crossings with plus station and label Curve length, K value, SSD--(minimum curve length 100 (30M) unless
approved by City Engineer).
Profile of existing ground at centerline of project. Profile of proposed ground at centerline of project. Centerline elevations at 25' (5 M) intervals Bar Scales horizontal and vertical
Reference elevations at 10 (5 M) intervals vertically. (For metric, also showintermediate lines at 1 M intervals as a screened line.)
Stationing at 100 (100 M) intervals, tic marks at 50 (25 M) intervals.** Drainage Easements should be provided for these overflow paths.
5. STORMWATER PROFILE SHEET
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The Stormwater Profile Sheets shall be required when space is not available on the
plan and profile sheets. When there is no street work entailed in the project, the storm
sewer shall be shown on a separate plan and profile sheet. The Stormwater Profile
Sheets shall include the following information:
Profile of existing ground at centerline of stormsewer line. Profile of proposed flowline of pipe or swale. Profile of proposed top of pipe. Pipe/swale grades in %, Pipe Length, Pipe Size, Pipe Type MH/Inlet location (& Sta.), type, size, Flowline in, Flowline out & top El. End treatment shown at outfall Utility/Storm Sewer crossings with plus station and label When pipe grade is 8% or greater, show reinforced concrete collars, one
per section of pipe.
When swale velocities are over 5 fps (1.5 mps), show the type of channellining (per APWA), with start/stop stations.
Pipes under streets shall not be allowed to daylight within the ClearZone of the street, as defined in the AASHTO Roadside Design Guide,
unless waived by the City Engineer. Such a waiver shall be requested in
writing. When the requirement is waived, appropriate safety measures
shall be applied.
Stationing at 100 (100 M) intervals, tic marks at 50 (25 M). Reference elevations at 10 (5M) intervals vertically. (For metric, also
show intermediate lines at 1 M intervals as a screened line.)
6. THE STREET LIGHTING SHEET
The Street Lighting Plan Sheet(s) shall include the following information: North arrow and bar scale. The scale should typically be 1=50 (1=500). Legend Existing topographic features -- trees, hedges, brush, buildings, pavement,
utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and other
man-made objects--screened to 65%
Horizontal Alignment of the proposed streets, including the following data:Stationing
Centerline
Proposed drainage structures Other proposed structures Proposed edges of sidewalk Proposed edges of pavement and back of curb lines Station equation at all proposed intersections (including an intersection of a
proposed street with an existing street)
Station/offset of all proposed light poles, control centers, service boxes andjunction boxes
Property boundaries/lot numbers/owners
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Jurisdictional boundaries (City/drainage districts) Street names Existing and proposed right-of-way Construction limits Easements of all types, existing and proposed (including temporary
construction easements)
Proposed street light poles, control centers, direct-buried cable, conduit,junction boxes and other proposed appurtenances which would be visible in
the plan view
Existing street light poles, control centers, direct-buried cable, conduit,junction boxes and other existing appurtenances which would be visible in the
plan view
Proposed traffic signal poles and controllers Existing traffic signal poles and controllers Pole designation symbol and information Proposed and/or existing street light control center address and identification
number
7. THE TRAFFIC SIGNAL PLAN SHEET
The Traffic Signal Plan Sheet(s) shall include the following information:
North arrow and bar scale. The scale should typically be 1=20 (1=200). Legend Existing topographic features -- trees, hedges, brush, buildings, pavement,
utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and other
man-made objects--screened to 65%
Horizontal Alignment of the proposed streets, including the following data:Stationing
Centerline
Proposed drainage structures Other proposed structures Proposed edges of sidewalk Proposed edges of pavement and back of curb lines Station equation at all proposed intersections (including an intersection of a
proposed street with an existing street)
Station/offset of all proposed traffic signal poles, controllers, service boxesand junction boxes
Property boundaries/lot numbers/owners Jurisdictional boundaries (City/drainage districts) Street names Existing and proposed right-of-way Construction limits Easements of all types, existing and proposed (including temporary
construction easements)
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Proposed street light poles, control centers, direct-buried cable, conduit,junction boxes and other proposed appurtenances which would be visible in
the plan view
Existing street light poles, control centers, direct-buried cable, conduit,junction boxes and other existing appurtenances which would be visible in theplan view
Proposed traffic signal poles, controllers, conduit, junction boxes, serviceboxes and other proposed appurtenances which would be visible in the plan
view
Existing traffic signal poles, controllers, conduit, junction boxes, serviceboxes and other existing appurtenances which would be visible in the plan
view
Proposed and/or existing traffic signal controller address and identificationnumber
Signal phasing and signal faces diagram
Pedestrian pushbutton diagram General Notes shall include but not be limited to:
1. Traffic signal heads shall remain covered with ORANGE bags duringconstruction until the entire installation is placed in operation. Black bags
shall not be used to cover the new signal heads during construction.
2. The new signal controller shall be delivered to the City for programming.The Traffic Superintendent (913-477-7835) shall be contacted to arrange
for delivery.
3. The locations of existing underground utilities are shown in anapproximate way only and have not been independently verified. The
Contractor shall determine the exact location of all existing utilities beforecommencing work and agrees to be fully responsible for any and all
damages which might be occasioned by the Contractors failure to exactly
locate and preserve any and all underground utilities.
4. Signal cable shall be color-coded as follows: Cable runs for northbound traffic: Color code BLUE Cable runs for southbound traffic: Color code PURPLE Cable runs for eastbound traffic: Color code YELLOW Cable runs for westbound traffic: Color code RED Cable runs for northbound left-turning traffic: Color code BLUE with
ORANGE
Cable runs for southbound left-turning traffic: Color code PURPLEwith ORANGE
Cable runs for eastbound left-turning traffic: Color code YELLOWwith ORANGE
Cable runs for westbound left-turning traffic: Color code RED withORANGE
Wiring diagram and associated signal timing and detector loop tables
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8. THE PAVEMENT MARKING AND SIGNING SHEET
The Pavement Marking and Signing Sheet(s) shall include the following information:
North arrow and bar scale. The scale should typically be 1=50 (1=500). Legend Existing topographic features -- trees, hedges, brush, buildings, pavement,
utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and other
man-made objects--screened to 65%
Horizontal Alignment of the proposed streets, including the following data:Stationing
Centerline
Proposed drainage structures Other proposed structures Proposed edges of sidewalk
Proposed edges of pavement and back of curb lines Station equation at all proposed intersections (including an intersection of a
proposed street with an existing street)
Property boundaries/lot numbers/owners Jurisdictional boundaries (City/drainage districts) Street names Existing and proposed right-of-way Construction limits Easements of all types, existing and proposed (including temporary
construction easements)
Proposed and existing street light poles Proposed and existing traffic signal poles Stationing of all proposed pavement markings Lane width dimensions Stationing and MUTCD number for all proposed signs General Notes that shall include but not be limited to:
1. All markings shall be in accordance with the latest edition of the Manualon Uniform Traffic Control Devices (MUTCD).
2. All existing markings that conflict with the proposed markings shall becompletely removed.
3. The Contractor shall maintain ALL existing signs not shown on the plansas to be removed.
9. THE TRAFFIC CONTROL PLAN SHEET
The Traffic Control Plan Sheet(s) shall include the following information:
North arrow and bar scale Legend
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Existing topographic features -- trees, hedges, brush, buildings, pavement,utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and other
man-made objects--screened to 65%
Horizontal Alignment of the proposed streets, including the following data:StationingCenterline
Proposed drainage structures Other proposed structures Proposed edges of sidewalk Proposed edges of pavement and back of curb lines Station equation at all proposed intersections (including an intersection of a
proposed street with an existing street)
Property boundaries/lot numbers/owners Jurisdictional boundaries (City/drainage districts) Street names Existing and proposed right-of-way Construction limits Easements of all types, existing and proposed (including temporary
construction easements)
Construction sequencing and overall phasing plan Work areas identified by shading and/or line patterns Construction notes describing each phase of construction Detour plan (if applicable)
10. THE EROSION CONTROL PLAN SHEET
The Erosion Control Plan Sheet(s) shall show the erosion control plan for the project.The Erosion Control Plan Sheet will include the following information:
A layout of the site with the erosion control measures shown to scale andlabeled (or shown in a legend on the same sheet).
Details of the erosion control measures proposed for use on the project.In addition to the Erosion Control Plan Sheet, the consultant shall submit a copy of
the application for an NPDES permit, and shall include the City Standard Detail for
Erosion & Sediment Control General Notes (In its entiretyno additions or
deletions).
11. THE INTERSECTION DETAIL SHEETS
The Intersection Detail Sheets shall show the intersections at 1 = 20 (1=100) or
1 = 10 (1=10) and will include the following information:
North arrow Bar scale Back of curb and face of curb lines and edge of pavement line Radius line for curb returns with length of radius labeled Storm inlets, manholes, other proposed items
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Plus station for start/stop of tapers, turn lanes, curb returns --with offsetswhere appropriate
Top of curb elevations and stations every 25 (10M) with plus station,elevations and offsets at curb returns and at midpoint of curb returns.
Horizontal alignment data (same as Plan and Profiles) Topographic data (same as Plan and Profiles) Location of sidewalks, handicap ramps, with dimensions for sidewalks Lane dimensions Construction notes (same as Plan and Profiles) Typical Sections to show curbs, sidewalks, and islands. This information
could be shown on the Typical Section Sheet rather than the Intersection
Detail Sheet.
Handicap ramps Street lighting poles, etc. (same as Plan and Profiles) Traffic signal poles, etc. (same as Plan and Profiles)
12. THE DETAIL SHEETS
Detail Sheets shall include the following information:
City Standard drawing for all City Standard items, including street lightingand traffic signal details (if required for the project)
Detail drawings for any item required for construction that is not a CityStandard
Any inlet, yard inlet, or junction box over 10 (3M) in length, 8 (2.5M) inwidth, or 12 (3.67M) in depth shall be considered non-standard and a detail
shall be shown. Any such detail shall be sealed by a structural engineer.
13. THE CROSS SECTION SHEET
(On development initiated projects, the Grading Plan Sheet may be used in lieu of
cross-sections.)
The Cross Section Sheets shall be drawn on 10x10 (5x5 metric) grid sheets (heavier
line every tenth (fifth for metric) line horizontally and vertically)--equivalent to
Federal Aid Sheet Plate 3-- and shall include the following information:
X-Section for every 50' (25M) along the centerline of the project X-Section for all entrance centerlines X-Section for other points considered critical Existing ground profile at cross-section station Proposed ground profile at cross-section station Vertical Line at centerline, labeled as centerline Elevation label at 10' (5 M) vertical intervals for 20' (5 M) each side of
existing ground. (For Metric, also show intermediate lines at 1 M intervals as
a screened line.)
Centerline labeled as 0 and all sections on a page line up vertically at thecenterline
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Horizontal label at 20' (5 M) intervals and labeled left and right fromcenterline. (For Metric, also show intermediate lines at 1 M intervals as a
screened line.)
Driveway grades on the private side of the Right-of-Way should generally bebetween 2% and 8%
Driveway grades within the Right-of-Way shall conform to the StandardDetail for Residential Driveways
Area of cut and fill at each cross section14. DRAINAGE BASIN MAP SHEET
The Drainage Basin Map Sheet shall be drawn to such a scale as to fit on one sheet
where possible, but shall not exceed 1 = 1000(1=300), and shall include the
following information:
A plan view of the project
A layout of all pipe systems with the structures numbered Boundaries of all basins (there shall be a sub-basin for each inlet) shall be
shown, and each basin and sub-basin shall be labeled
The area and runoff coefficient of each basin and sub-basin (shown within theboundary of that basin or sub-basin)
A data table in the following format:
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NOTE: Numbers shown are in English units.
DESIGN CALCULATION SHEET Project:
STORM SEWER SYSTEM
Q=FKCiA
Where F=1.008(English)
F=27.8 (Metric)
Storm Frequency: 10 Res, 25 Com, 50 Xing
Collector, 100 Xing Arterial
Pipe Type: ADS N-12 HDPE or Equal/RCP
Manning's "n" = 0.01 HD
1 2 3 4 5 5A 6 7 8 9 10 11 12 13 14 15
LINE PT. INCREM ACCUM. ACCUM I Q Q Q LENG SLOPE PIPE FULL F
NO. NO. K C AREA A AREA KxCxA KxCxA (in./hr.)
(mm/hr)
(CFS)
(CMS)
other total (FT)
(M)
(%) SIZE PIPE P
(ACRES) (ACRES) See (CFS) (CFS) (in.) VEL. FL
(Hectare) (Hectare) APWA (CMS) (CMS) (mm) (FPS)
(MPS)
(C
(M
1 403 (403)
1.1 0.8 36 30 30 29 3 0 30.36 0. 0. 0. 8.5
402 (403+402) 42.27 7.33 15 14.23
1.1 0.8 44 07 36 12 3 00.08 0. 0. 0. 8.5 3
401 (402+401) 35.05 1 15 5.26
1.1 0.8 51 06 42 72 4 00.07 0. 0. 0. 8.4 4 903 (401+903) 62.43 1 15 5.26
1.1 0.8 0.3 1.76 0.25 0.67 8.529 6 7 12
902 (903+L2) 224 0.9 18 5.64
1.1 0.8 0.74 3.45 0.61 2.06 8.298 17 0 17
901 Jct. Box (902+901) 75.43 5.2 18 13.55
1.1 0.8 0 3.45 0.00 2.06 8.267 17 5 22
900
2 905 (905)
1.1 0.8 44 36 36 29 3 0 30.44 0. 0. 0. 8.5
904 (904+903) 162 1 15 5.26
1.1 0.8 95 42 78 49 7 0 70.51 0. 0. 0. 8.3
903 67 1.58 18 7.47
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15. GRADING PLAN SHEET
(Required when cross-sections are not used. When the City funds the design of the
improvements, cross-sections will be required, and the Grading Plan Sheet is not
required.)
The Grading Plan Sheet shall be drawn at a scale of 1 = max 100 (1=10) [1=20(1=100), 1=50 (1=300), or 1=100 (1=10) are acceptable], with match lines for
multiple sheets when necessary, and shall include the following information:
Existing Topographic Features -- Trees, hedges, brush, buildings, pavement,utilities, fences, curbs, drives, sidewalks, inlets, manholes, valves, and other
manmade objects--shown in 1/2 tone
The current physical features (both natural and manmade) of the property andadjacent land within 50 (15M) include contours at vertical intervals of not
more than 5 (1M) where the slope is greater than 10% and not more than 2
(0.5M) where the slope is less than 10%. Elevations shall be marked on such
contours based on the existing datum plane established by the U.S. Coast and
Geodetic Survey. Include dates of topography and permanent and temporary
benchmark locations and elevations. (Information noted in this paragraph
shall be screened 50%.)
Proposed contours shown at the same contour interval as the existingcontours
Lot and subdivision lines with lots and blocks numbered per the plat of thesubject subdivision
Street centerline alignment with edge of pavement lines, edge of sidewalklines, and back of curb lines
North arrow and bar scale
Street names, R/W lines, easements--existing and proposed--(show centerlineand limits of the easements)
Plan sheets do not necessarily need to be in the same order as presented above, but must
contain all of the sheets listed unless otherwise stated in the sheet description.
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