HomeMy WebLinkAbout2016-12-19-J04 Standard Specs Addendum 1 AGENDA ITEM:
CITY OF WAUKEE, IOWA
CITY COUNCIL MEETING COMMUNICATION
MEETING DATE: December 19, 2016
AGENDA ITEM: Consideration of approval of a resolution approving Amendment No. 1 to the
Waukee Standard Specifications for Public Improvements
FORMAT: Resolution
SYNOPSIS INCLUDING PRO & CON: The Kettlestone Design Standards require all collector
streets within the Kettlestone Development to install Kim Altitude Street
Lights. The addendum specifies the design standards, cabinet and controller
specifications, and pole and luminaires types for the Kim Altitude lights.
FISCAL IMPACT INCLUDING COST/BENEFIT ANALYSIS:
COMMISSION/BOARD/COMMITTEE COMMENT:
STAFF REVIEW AND COMMENT:
RECOMMENDATION: Approve the resolution.
ATTACHMENTS: I. Proposed Resolution
II. Waukee Standard Specifications, Addendum No. 1
PREPARED BY: Beth Richardson
REVIEWED BY: John Gibson
PUBLIC NOTICE INFORMATION –
NAME OF PUBLICATION:
DATE OF PUBLICATION:
THE CITY OF WAUKEE, IOWA
RESOLUTION 16-
APPROVING ADDENDUM NO. 1 TO STANDARD SPECIFICATIONS FOR PUBLIC
IMPROVEMENTS, WAUKEE, IOWA, [KETTLESTONE STREET LIGHTS]
IN THE NAME AND BY THE AUTHORITY OF THE CITY OF WAUKEE, IOWA
WHEREAS, the City of Waukee, Dallas County, State of Iowa, is a duly organized Municipal
Organization; AND,
WHEREAS, the Waukee City Council has determined that certain minimum standards of
construction for public improvements are needed and desirable to ensure quality control; AND,
WHEREAS, on August 15, 2016, the Waukee City Council approved and adopted the 2016 City
of Waukee Standard Specifications for Public Improvements (Resolution #16-367); AND,
WHEREAS, City Engineer Veenstra & Kimm, Inc., has provided Addendum No. 1 to the
Standard Specifications in order to specify the design standards, cabinet and controller
specifications, and pole and luminaire types required along all specified collector streets within
the area described within the Kettlestone Design Standards.
NOW THEREFORE, BE IT RESOLVED THAT:
1. Addendum No. 1 of the document entitled Standard Specifications for Public
Improvements, Waukee, Iowa, is hereby adopted.
2. These Standard Specifications shall be followed and used by the City in considering,
permitting, inspecting, and otherwise dealing with the construction of public
improvements within the City.
3. These Standard Specifications may, from time to time, be amended, changed, or altered
by action of the City Council.
4. These Standard Specifications shall be used for all projects submitted after the date of
adoption of this resolution.
Passed by the City Council of the City of Waukee, Iowa, and approved the 19th day of
December, 2016.
____________________________
William F. Peard, Mayor
Attest:
___________________________________
Rebecca D. Schuett, City Clerk
ROLL CALL VOTE AYE NAY ABSENT ABSTAIN
Anna Bergman
Brian Harrison
Shelly Hughes
Larry R. Lyon
Rick Peterson
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PART 11 – KETTLESTONE STREET LIGHTS
INDEX
1. GENERAL 4.
CABINET AND CONTROLLER
2. DESIGN STANDARDS 5. POLES AND LUMINAIRES
3. UNDERGROUND PRODUCTS
1. GENERAL
1.1 This part of the specifications includes details for street lighting installed
within the Kettlestone corridor shown in Exhibit No. 2 following PART 11 –
KETTLESTONE STREET LIGHTS.
2. DESIGN STANDARDS
2.1 All lighting within the Kettlestone corridor shown in Exhibit No. 2 following
PART 11 – KETTLESTONE STREET LIGHTS shall conform to the standards in the
Kettlestone Design Guidelines and the specifications in this section.
2.2 All lighting on private property including lighting for buildings, parking lots and
private streets shall conform to the City of Waukee Site Plan Ordinance.
2.3 All lighting on public streets shall conform to the design standards contained in
the SUDAS Design Manual and the following standards:
2.4 Poles:
2.4.1 All new street light poles and appurtenances installed within the clear
zone of any public street right-of-way shall be of a design to break-away
when hit by a vehicle. The break-away design shall conform to the
definitions of the U.S. Department of Transportation.
2.4.2 Street light poles shall be placed near all intersections, outside the sight
triangle, for proper lumination of the intersection.
2.4.3 Locate poles in a straight line 3-feet to 6-feet behind the back of curb.
Install poles plumb.
2.5 Fixtures:
2.5.1 All fixtures shall be full cut-off (no sag lenz).
2.5.2 All fixtures shall be supported by MidAmerican Energy unless otherwise
approved by the City as a part of a development agreement related to
special development characteristics of a subdivision.
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2.5.3 Mounting height shall be 30 feet.
2.6 Provide photometric plan identifying all pole locations and project lighting levels
with foot-candle measurements at 10’ increments.
2.7 In cases where a homeowners association is created for a particular subdivision
and includes the responsibility of on-going maintenance of street light poles and
fixtures, a street lighting design utilizing unique poles and fixtures may be
approved at the discretion of the City.
2.8 Street light design shall incorporate existing City infrastructure.
2.9 Street light pole spacing shall be as follows:
2.9.1 25’ Back to Back with Luminaires 4-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 180 0.37 1.85 0.37
Alt2P35-96L4K 175 0.57 1.54 0.39
Alt2P70-60L4K 186 0.60 1.94 0.38
Alt2P70-96L4K 202 0.90 2.81 0.40
Alt3P35-60L4K 153 0.40 1.74 0.32
Alt3P35-96L4K 184 0.58 1.76 0.39
Alt3P70-60L4K 193 0.54 2.45 0.38
Alt3P70-96L4K 194 0.96 3.00 0.39
2.9.2 25’ Back to Back with Luminaires 6-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 180 0.37 1.85 0.40
Alt2P35-96L4K 161 0.63 1.58 0.38
Alt2P70-60L4K 180 0.63 1.91 0.39
Alt2P70-96L4K 224 0.81 3.86 0.49
Alt3P35-60L4K 158 0.40 1.60 0.37
Alt3P35-96L4K 169 0.65 1.63 0.39
Alt3P70-60L4K 177 0.60 2.07 0.38
Alt3P70-96L4K 194 1.01 3.16 0.40
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2.9.3 29’ Back to Back with Luminaires 4-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 180 0.37 1.85 0.40
Alt2P35-96L4K 173 0.58 1.53 0.39
Alt2P70-60L4K 226 0.49 4.08 0.50
Alt2P70-96L4K 233 0.76 4.75 0.50
Alt3P35-60L4K 158 0.40 1.74 0.35
Alt3P35-96L4K 169 0.65 1.76 0.39
Alt3P70-60L4K 174 0.60 1.76 0.39
Alt3P70-96L4K 196 1.00 3.23 0.39
2.9.4 29’ Back to Back with Luminaires 6-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 180 0.37 1.85 0.40
Alt2P35-96L4K 159 0.62 1.59 0.40
Alt2P70-60L4K 226 0.49 4.08 0.53
Alt2P70-96L4K 160 1.11 1.68 0.38
Alt3P35-60L4K 180 0.36 2.40 0.39
Alt3P35-96L4K 165 0.69 1.64 0.40
Alt3P70-60L4K 180 0.60 2.22 0.39
Alt3P70-96L4K 185 1.09 2.95 0.40
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2.9.5 31’ Back to Back with Luminaires 4-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 108 0.62 1.94 0.28
Alt2P35-96L4K 165 0.60 1.54 0.40
Alt2P70-60L4K 165 0.66 1.74 0.39
Alt2P70-96L4K 173 1.02 1.65 0.40
Alt3P35-60L4K 105 0.60 1.82 0.29
Alt3P35-96L4K 165 0.68 1.79 0.39
Alt3P70-60L4K 180 0.59 2.19 0.38
Alt3P70-96L4K 189 1.05 2.84 0.40
2.9.6 31’ Back to Back with Luminaires 6-ft Offset
Fixture Max
Spacing
(ft)
Average
Illuminance
(fc)
(min=0.4)
Uniformity
Ratio
E ave /E min
(min=6.0)
Veiling
Luminance
Ratio L max /L avg
(min=0.4)
Alt2P35-60L4K 108 0.61 1.91 0.29
Alt2P35-96L4K 150 0.65 1.67 0.40
Alt2P70-60L4K 150 0.72 1.80 0.38
Alt2P70-96L4K 157 1.12 1.70 0.40
Alt3P35-60L4K 108 0.60 1.88 0.29
Alt3P35-96L4K 150 0.77 1.67 0.38
Alt3P70-60L4K 150 0.72 1.67 0.38
Alt3P70-96L4K 187 1.09 2.87 0.40
3. UNDERGROUND PRODUCTS
3.1 Handholes:
3.1.1 General:
3.1.1.1 Cable Hooks: Provide four galvanized steel cable hooks with
a minimum diameter of 3/8 inch and a minimum length of
5 inches.
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3.1.1.2 Granular Base: Comply with the following gradations;
however, the Engineer may authorize a change in gradation,
subject to materials available locally at the time of
construction.
Sieve Percent Passing
2” 100
1 1/2” 80 to 90
1” 15 to 20
3/4” 0 to 0.5
3.1.1.3 Cover: Include “LIGHTING”, as shown on the plans, as a
message on the cover.
3.1.2 Precast Concrete Handhole:
3.1.2.1 Pipe: Comply with ASTM C 76. Minimum Class III, Wall B
(Iowa DOT Class 2000D). Four, 8 inch knockouts (conduit
entrance points) equally spaced around the handhole.
3.1.2.2 Casting: Gray cast iron and certified according to
requirements of AASHTO M 306 for a 16,000 pound
proof-load (HS-20).
3.1.3 Composite Handhole and Cover: Precast polymer concrete handholes
shall be stackable with a minimum depth of 24 inches and an “open”
bottom, unless otherwise specified in the plans. Composed of mortar
consisting of sand, gravel, and polyester resin reinforced by a woven
glass fiber mat or of resin mortar and fiberglass, shall meet or exceed all
appropriate ANSI/SCTE 77 tests and requirements. Ensure the cover
satisfies loading requirements of ANSI Tier 15. Provide a skid resistant
surface on the cover. Provide two 3/8-16 UNC stainless steel hex head
bolts with washers.
3.2 Conduit:
3.2.1 General:
3.2.1.1 Furnish weatherproof fittings of identical or compatible
material to the conduit. Use standard factory elbows,
couplings, and other fittings.
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3.2.1.2 Use a manufactured conduit sealing compound that is
readily workable material at temperatures as low as
30°F and will not melt or run at temperatures as high as
300°F.
3.2.2 Steel Conduit and Fittings:
3.2.2.1 Comply with ANSI C80.1, latest revision.
3.2.2.2 Use weatherproof expansion fittings with galvanized,
malleable iron, fixed and expansion heads jointed by
rigid steel conduit sleeves. As an option, the fixed
head may be integral with the sleeve, forming a one
piece body of galvanized malleable iron.
3.2.2.3 Provide steel bushings.
3.2.3 Plastic Conduit and Fittings:
3.2.3.1 PVC:
3.2.3.1.1 PVC Schedule 80 plastic conduit and fittings
complying with NEMA TC-2 (pipe), NEMA TC-3
(fittings), and UL 651 for Schedule 80 heavy wall
type.
3.2.3.1.2 Solvent welded, socket type fittings, except
where otherwise specified in the contract
documents.
3.2.3.1.3 Threaded adaptors for jointing plastic conduit to
rigid metal ducts.
3.2.3.1.4 Provide bell end fittings or bushings.
3.2.3.2 HDPE:
3.2.3.2.1 UL Listed, comply with ASTM F 2160 (conduit)
and ASTM D 3350 (HDPE material), SDR 13.5.
3.2.3.2.2 Use red colored conduit or color as specified in
the plans.
3.2.3.2.3 Continuous reel or straight pieces to minimize
splicing.
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3.2.3.2.4 For dissimilar conduit connections, provide an
adhesive compatible with both materials.
3.3 Wiring and Cable: Provide wire that is plainly marked on the outside of the
sheath with the manufacturer's name and identification of the type of the cable.
3.3.1 General:
3.3.1.1 Shall be rated 600 volts minimum.
3.3.2 Power Cable: Comply with Article 4185.12 of the Standard
Specifications.
3.3.3 Tracer Wire: Comply with #12 AWG, single conductor, stranded
copper, Type thermoplastic high-heat nylon-coated (THHN), with UL
approval, and an orange colored jacket.
3.4 Footings:
3.4.1 Concrete Footing:
3.4.1.1 Use Class C structural concrete complying with Section 2403
of the Standard Specifications.
3.4.1.2 Reinforcing steel shall be the type and size as shown on the
plans and shall conform to the requirements of Section 2404
of the Standard Specifications.
3.4.1.3 Use uncoated reinforcing steel complying with Section 4151
of the Standard Specifications.
3.4.2 Power Installed Foundation:
3.4.2.1 All material made of steel or iron, hot dipped galvanized
complying with ASTM A 123 or ASTM A 153.
3.4.2.2 Shaft complying with ASTM A 53 Schedule 40, Grade B, or
ASTM A 501 or ASTM A 252 Grade 2.
3.4.2.3 Base Plate complying with ASTM A 36.
3.4.2.4 Helix complying with ASTM A 29.
3.4.2.5 Pilot complying with ASTM 575.
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3.5 Bonding and Grounding:
3.5.1 Provide Type L-1 connector at each pole footing base as shown in Slip
Base detail in Iowa Department of Transportation Standard Road Plan
LI-142 – Electrical Installation (Bases).
3.5.2 Ground Rods: Provide 5/8 inch by 10 foot copper clad, steel ground
rod at each pole and controller footing.
3.5.3 Bonding Jumper or Connecting Wire: Provide #6 AWG bare conductor,
copper wire.
4. CABINET AND CONTROLLER
4.1 Lighting Control Cabinet, and Auxiliary Equipment: Comply with the latest
edition of NEMA TS1 or TS2 standards.
4.1.1 Control Cabinet:
4.1.1.1 Unpainted aluminum cabinet according to NEMA standards.
4.1.1.2 Aluminum cabinet riser with same dimensions as cabinet,
18 inch height and matching finish on the lighting cabinet, as
specified in the contract documents.
4.1.1.3 Maintenance panel on inside of the main door containing the
following test switch.
4.1.1.4 Heavy-duty clear plastic envelope attached to inside wall of
cabinet or cabinet door, for cabinet wiring diagrams,
12 inches by 18 inches minimum.
4.1.1.5 GFI electrical outlet and lamps in accessible location near
the front of the cabinet. GFI outlet fused separately from
main AC circuit breaker. Two LED cabinet lamps connected
and fused with GFI outlet.
4.1.1.6 Power protection devices including AC power circuit
breakers, and lightning and surge protectors.
4.1.1.6.1 Main AC line breaker, two pole, nonadjustable,
100A, UL listed.
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4.1.1.6.2 Four branch circuit breakers, 2-pole rated for
30A.
4.1.1.6.3 Lightning arrestor/surge protectors capable of
withstanding repeated (minimum of 25)
30,000 ampere surges.
4.1.1.6.4 100A meter socket as specified by local utility.
4.1.1.7 Neatly train wiring throughout the cabinet. Bundle and
attach wiring to interior panels using nonconductive clamps
or tie-wraps.
5. POLES AND LUMINAIRES
5.1 Luminaires
5.1.1 Kim Lighting Altitude Luminaires:
5.1.1.1 Type III light distribution as specified on plans.
5.1.1.2 LED drive current 700mA.
5.1.1.3 240VAC.
5.1.1.4 4000k color temperature.
5.1.1.5 Custom color RAL7043.
5.1.1.6 Photocell receptacle.
5.1.1.7 Warranty 10 years for complete product.
5.1.2 Mounting Hardware:
5.1.2.1 Horizontal slipfitter mounting hardware for 2 inch arm.
5.2 Poles and Mast Arms:
5.2.1 General:
5.2.1.1 Mast arm length and vertical pole height as specified in the
contract documents.
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5.2.1.2 Provide non-shrink grout (complying with Materials I.M.
491.13) or a rodent guard (complying with Materials I.M.
443.01) for placement between the pole base and the
foundation.
5.2.1.3 Custom color RAL7043.
5.2.2 Pole Design:
5.2.2.1 Designed to support the loading necessary for all lighting
equipment. Capable of withstanding winds up to 80 MPH
with a 1.3 gust factor without failure.
5.2.2.2 Continuous tapered, 8” round, aluminum poles with slip
base mounting. Fabricated from 6063-T6 aluminum alloy.
5.2.2.3 Provide a handhole and cover in the pole shaft for cable
access. Secure the cover to the base with simple tools.
Hardware to be corrosion resistant.
5.2.2.4 Provide a 12 foot luminaire mounting arm and 34 inch
banner arm on each pole.
5.2.3 Hardware:
5.2.3.1 Equipped with all necessary hardware and anchor bolts to
provide for a complete installation without additional parts.
5.2.3.2 Anchor bolts complying with ASTM F 1554 Grade 105, hot
dip galvanized and threaded a minimum of 6 inches at one
end and have a 4 inch long, 90 degree bend at the other
end.
5.2.3.3 Washers complying with ASTM F 436.
5.2.3.4 Heavy hex nuts complying with ASTM A 563.
5.2.3.5 All hardware made of steel, hot dipped galvanized
complying with ASTM F 2329, or ASTM B 695, Class 50,
Type I, or electrodeposited coated of the same coating
thickness and designed for this purpose.
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5.2.4 wiScape Control:
5.2.4.1 Hubbell Automation wiScape External Fixture Module
(WIR-RME-L) installed at each luminaire using the photocell
receptacle.
EXHIBIT NO. 2