Art. 821.06 Roadway Luminaires When suspended, the underpass luminaire shall be installed 1 in. (25 mm) above the lowest underpass beam and shall be mounted parallel to the plane of the roadway, taking into consideration the applicable grade and superelevation of the traveled lanes. Vibration dampening assemblies shall be used and sized to the weight and shape of the underpass luminaire. All mounting hardware, including the vibration dampers, shall be stainless steel. The underpass luminaire shall include, from the junction box mounted at the abutment to the luminaire(s), all conduit, fittings, attachment hardware, cable, and stainless steel junction boxes required to complete the branch circuit.
821.07 Sign Lighting Installation. Each luminaire shall be mounted on the
sign walkway structure with stainless steel hardware and with at least three points of attachment. The mounted luminaire or mounting hardware shall not extend above the bottom of the sign or below the bottom of the walkway support. The center-to-center spacing of the luminaires will be determined by the Engineer. The end sections shall not exceed one-half the spacing between luminaires. The mounting shall provide the correct position of the luminaire as recommended by the manufacturer and shall be able to withstand assigned loading according to AASHTO. The sign lighting installation shall include, from the sign truss handhole to the luminaire, all aluminum conduit, fittings, attachment hardware, cable, and a stainless steel disconnect switch with lockable exterior handle mounted within reach from the walkway. Disabling brightness shall be shielded from traffic approaching either the front or back of the sign.
821.08 Basis of Payment. This work will be paid for at the contract unit price
per each for LUMINAIRE, of the lamp type, mount type, and wattage specified; UNDERPASS LUMINAIRE, of the wattage and lamp type specified; or SIGN LIGHTING, of the lamp type specified. SECTION 822. OBSTRUCTION WARNING LUMINAIRES
822.01 Description. This work shall consist of furnishing and installing light
emitting diode (LED) obstruction warning luminaires complete with all supports, hardware, wiring, and connections to the structure or pole, and appurtenant mounting accessories.
822.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Waterway Obstruction Warning Luminaire .................................... 1067.07(a)
b.Aviation Obstruction Warning Luminaire ........................................ 1067.07(b)
c.Fuseholders and Fuses ..................................................................... 1065.01
d.Transformer, General Purpose .......................................................... 1068.02 Lighting Controller Art. 825.03 CONSTRUCTION REQUIREMENTS
822.03 Installation. Mounting of the luminaire shall be as recommended by
the luminaire manufacturer in such a manner that they clear all obstacles when retrieved for maintenance and relamping.
822.04 Basis of Payment. This work will be paid for at the contract unit price
per each for WATERWAY OBSTRUCTION WARNING LUMINAIRE, LED or AVIATION OBSTRUCTION WARNING LUMINAIRE, LED. CONTROLLERS SECTION 825. LIGHTING CONTROLLER
825.01 Description. This work shall consist of furnishing and installing an
electrical controller.
825.02 Materials. Materials shall be according to the following.
Item Article/Section
a.Portland Cement Concrete (Note 1) ....................................................... 1020
b.Lighting Controller .............................................................................. 1068.01
c.Transformer, General Purpose .......................................................... 1068.02
d.Lightning Protection ........................................................................... 1065.02
e.Fasteners and Hardware ................................................................... 1088.03 Note 1. Class SI concrete shall be used. CONSTRUCTION REQUIREMENTS
825.03 Installation. The lighting controller installation shall be according to
the details, location, and orientation shown on the plans. A 4 in. (100 mm) thick portland cement concrete work pad, not less than 48 x 48 in. (1.2 x 1.2 m) shall be provided in front of the cabinet, except where the cabinet faces an adjacent sidewalk. All conduit entrances into the lighting controller shall be sealed with a pliable waterproof material.
a.Controller Mounted on Concrete Foundation. The Contractor shall confirm the orientation of the lighting controller and its door side, with the Engineer, prior to installing the foundation. A portland cement concrete foundation shall be constructed to the details shown on the plans. The lighting controller enclosure or pedestal shall be set plumb and level on the foundation. It shall be fastened to the anchor rods with hot-dip
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Source: Illinois Standard Specifications for Road and Bridge Construction, 2022 Edition. Pages 719–720 of 1,217. View official source ↗