Effective with the December 2018 Letting 489 2019 Standard Spec ifications Section 658 Traffic Signals
658.1 Description
1.This section describes providing traffic signal faces, pedestr ian signal faces, programmable traffic signal faces, push buttons, and signal mounting hardware.
658.2 Materials
1.Submit a complete list of traffic signal compone nts and hardwa re provided under the contract.
2.Furnish materials from the department's QPL as follows: - Traffic signal faces including si gnal housing, backplates and LED modules. - Pedestrian signal faces includ ing signal housing and LED modules. - Pedestrian push buttons. - Signal mounting hardware.
3.For traffic signal faces: furnis h signal housings, visors, LED modules, backplates, and cut away or tunnel type visors as the plans show.
4.For pedestrian signal faces: furnish signal housings, LED modu les, and visors. For 16-inch heads, furnish a z-crate visor.
5.For Pedestrian push buttons: furnish a standard R 10-3b or R 1 0-3e series sign. In clude directional arrows on the sign as the plans show.
6.For programmable traffic signal faces: furnish electronically programmable traffic signal faces, visor, and backplate with LED illuminat ion sources conforming to the f ollowing: - Fully programmable with a portable electronic device. - Programmable for both horizonta l and vertical viewing angles. - Programmable light intensity.
7.For signal mounting hardware: furnish weather tight mounting h ardware. Protect mounting hardware from the elements before installa tion. Use corrosion resistant poly bracket shims.
658.3 Construction
1.Cover traffic signal faces and pedestrian signal faces with a hood or turn away from view by the traveling public until the sig nal is accepted for use and activ ated.
2.For pedestrian signal faces: a llow for side-fire connection wi thout conflict between the mounting bracket and the door hinge.
3.For Pedestrian push buttons: pro vide a 3/4-inch diameter push button mounting hole for wiring purposes in standards or poles . De-burr the holes after sawing and before installing the wire. Use IMSA 50-2 loop lead-in cable to wire the push button to the con ductors in the base. Band R 10-3b or R 10-3e series sign directly above each push button.
4.For signal mounting hardware: seal voids using silicon or rubberized caulking or similar material as the engineer approves. Mount traffi c and pedestrian signal faces so that they are immovable.
658.4 Measurement
1.The department will measure the EACH bid items under this sect ion as each individual unit acceptably completed.
2.The department will measure the Signal Mounting Hardware bid i tems as a single lump sum unit for each intersection acceptably completed.
658.5 Payment
1.The department will pay for measured quantities at the contrac t unit price under the following bid items: ITEM NUMBER DESCRIPTION UNIT 658.0100 - 0199 Traffic Signal Face (sections) (size) EACH 658.0400 - 0499 Pedestrian Signal Face (inch) EACH 658.0500 Pedestrian Push Buttons EACH 658.1100 - 1199 Programmable Tra ffic Signal Face (sections) (si ze) EACH 658.5069 Signal Mounting Hardware (location) LS
2.Payment for the Signal Face bid items and Pedestrian Push Butt ons is full compensation for providing a complete and functioning assembly.
3.Payment for the Signal Mounting Hardware bid items is full compensation for providing mounting hardware, including spacers. Effective with the December 2018 Letting 490 2019 Standard Spec ifications (4) The department will pay for wiri ng from the signal face termin al strip to the underground feeder cables at the top of the concrete base separately under the appropriat e Cable Traffic Signal bid item as specified in 655.5 . Effective with the December 2018 Letting 491 2019 Standard Spec ifications Section 659 Lighting
659.1 Description
1.This section describes providi ng highway, walkway, and other outdoor lighting.
659.2 Materials
1.Furnish lighting components from the department's QPL.
659.3 Construction
659.3.1 General
1.Keep the luminaires in their sh ipping cartons and protect against contamination until use. Wear clean gloves when installing luminaire s. Provide circuit identificati on plaques and luminaire sequence decals suitable for outdoor constructi on on the support poles as the plans show.
659.3.2 Wiring and Fusing
1.Use 12 AWG, stranded copper, XLP insulated, single conductor, USE rated, 600 volt AC wire from pole hand holes to luminaires, unless sized other wise on the pl ans.
2.For fusing in transformer bases, hand-holes, or junction boxes , install fuse holder assemblies from a department-approved manufacturer. Use in-line 600 volt AC break away fuse holder assemblies with waterproof insulating boots and mi dget 13/32-inch by 1 1/2-inch time delay fuses. Fuse as follows: - Use 600 or 500 volt AC rated fuses for 480/240 volt systems. - Use 250 volt AC rated fuse s for 240/120 volt systems. - If luminaires are double-fused in 240 volt AC 2-wire systems, or 480 volt AC 3-phase delta systems, use two-pole fuse holders.
3.Individually fuse the luminaires at 5 amp unless the plans show otherwise. Locate fusing at the pole hand-hole. Fuse walkway lighting units at 5 amp, in the hand-hole of the pole. Fuse underdeck lighting at 5 amp per luminaire, located as the plans show.
4.For underdeck lighting, provide a separate equipment grounding conductor, equal in size to the ungrounded conductors, in all runs.
5.For hand-hole or junction box splices and fuse assemblies, pro vide a neatly trained loop of each conductor to facilitate removing each splice and each fuse asse mbly from the hand-hole or the junction box for servicing. Ground each hand-hole or junction b ox as the plans show.
6.Connect the equipment grounding c onductor to the grounding lug in each metal lighting pole. If transformer bases are required , make the grounding connection t o the transformer base.
7.Make lighting conductor splices in breakaway bases or hand hol es electrically secure using UL or NRTL approved insulated multi-tap terminal block type connector s.
659.3.3 Luminaires
1.Provide luminaires together with the hardware and fittings the plans show.
2.Install utility luminaires on lumi naire arms with an initial r ake of plus 3 degrees, this measurement includes the rake of the arm. Install luminaires on luminaire a rms level in the longitudinal direction of the highway. Except on segments where the profile is sloped gre ater than 3 degrees, then the engineer will determine the longitudinal level of the luminaire s.
659.3.4 Underdeck and Walkway Lighting
1.Under the Underdeck Lighting bi d item, provide lighting system s under highway bridges together with the hardware and fittings as plans show.
2.Under the Lighting Units Walkway bid item, provide standards a nd post-top luminaires, together with the hardware and fittings the plans show.
3.Make wires continuous without s plices from the fuses to the fi rst luminaire and from luminaire to luminaire.
4.For underdeck lighting, use one-inch reinforced thermosetting resin conduit conforming to 652. For condulets and covers, conform to the requirements for loop dete ctor conduit in 652.2.4 .
5.Install junction boxes for u nderdeck lighting as the plans sho w and as specified in 653. For underdeck luminaire mounting boxes, if necessary to mount the luminaire, use boxes made of highly corrosion resistant metal and listed for outdoor use.
659.3.5 Lighting Control Cabinet
1.Provide lighting control cabinets together with the circuit wi ring connections, hardware, and fittings the plans show.
Referenced in this section
Traffic Signals in other states
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Source: Wisconsin Standard Specifications for Highway and Structure Construction, 2019 Edition. Pages 498–499 of 601. View official source ↗