657 SECTION 662 ROADWAY LIGHTING 662.1 -DESCRIPTION : This item shall consist of manufacturing, furnishing and installation of a lighting system in accordance with the requirements of the Plans and of these Specifications. All details not specified or not shown on the Plans shall conform to the details and requirements set forth in the following specifications and publications:
i.Standard Specifications for Structural Supports for Highway Signs, Luminaires and Traffic Signals, latest issue, American Association of State Highway and Transportation Officials (AASHTO). ii. National Electrical Code iii. American Nat ional Standards Institute In addition to the Plans, these Specifications and the above noted publications, any applicable local code shall apply. 662.2 -MATERIALS : Materials furnished by the Contractor shall be of new stock, shall be the product of the reputable manufacturers of lighting equipment, shall conform to Division of Highways' Specifications and shall meet the approval of the Engineer. All materials shall conform to Division 700 of the Specifications a nd specifically as follows, unless otherwise modified on the Plans. Reference specifications for materials shall be understood to be the latest available specification and revision at the time of award of the contract. 662.2.1 -Concrete: All concrete s hall conform to Specifications, Section 601, Types B or K (Bridge Superstructure). 662.2.2 -Reinforcing Steel Bars: Reinforcing steel bars shall conform to the applicable requirements of Section 602 of the Specifications. 662.2.3 -Electrical Conduit: Electrical Conduit shall meet the requirements of Section
715.42 10.
662.2.3.1 -Type R (Rigid Steel Conduit): Type R (Rigid Steel Conduit) shall meet the requirements of Section 715.42.10.1. 662.2.3.2 -Type F (Flexible, Liquid -Tight Conduit): Type F (Flexible, Liquid -Tight Conduit) shall meet the requirements of Section 715.42.10.2. 662.2.3.3 -Type P (Polyvinyl Chl oride Conduit): Type P (Polyvinyl Chloride Conduit) shall meet the requirements of Section 715.42.10.3. 662.2.3.4 -Type H (High Density Polyethylene Conduit ): Type H (High Density Polyethylene Conduit) shall meet the requirements of Section 715.42.10.4. 658 662.2.4 -Junction Boxes: The following Specifications shall set forth minimum design requirements for junction boxes for lighting cable and other electrical wiring. The type shall be noted on the Plans. Junction boxes as shown on the Plans shall be installed where indicated. The Contractor may, with the approval of the Engineer and at his own expense, install additional junction boxes to facilitate the work of installing conduit and pulling cable. 662.2.4.1 -Types A, B and C: Types A, B, and C shall meet the requirements of Section
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662.2.4.2 -Type L (Light Duty): Type L (Light Duty) shall meet the requirements of Section 715.42.11.1. 662.2.4.3 -Type H (Heavy Duty): Type H (Heavy Duty) shall meet the requirements of Section 715.42.11.2. 662.2.5 -Manholes: Manholes shall be constructed to the dimensions shown in the Plans. Unless otherwise noted on the Plans, all units shall be completely equipped with the necess ary cable racks, rack insulators, frames and covers, and all other appurtenances detailed on the Plans and approved by the Engineer. Concrete manholes shall be monolithic construction and maybe either precast or cast in place. 662.2.5.1 -Cable Rack: The cable rack assembly shall be a combination of Line Material Company Catalog Nos. DU17B2, DU581 or DU582, DE11U1, and WDU4M1, Joslyn Catalog Nos. J5124, J5131 or J5132, and J5122, or equal. 662.2.5.2 -Pulling Iron: The pulling iron shall be Line Materia l Company Catalog # DU2T2, Joslyn Catalog # J8119, or equal. 662.2.5.3 -Ground Connector: The ground connector shall be Burndy Company Type KC22B1, Dossert #DGN -5, or equal. 662.2.6 -Ground Rods: Ground rods shall be copperclad steel, ¾ inches in diameter with a minimum length as noted on the plans and shall be one piece. Sectional or segmented ground rods are not permitted. The ground rods shall be complete with ground clamp and square head bolt. 662.2.7 -Roadway Luminaires : All castings shall be smooth, clean and free from cracks, blisters, pockets, voids, rough or chipped spots, or other similar defects. The luminaire shall have a slipfitter capable of accepting mounting tenons made from 2 inches pipe and adjustable plu s or minus three degrees about the tenon axis. No additional parts shall be required to accomplish the adjustment. The luminaire shall have a terminal block prewired into the electrical system so that only two connections from the # 10 AWG tap wires nee d be made. The ballast compartment shall be immediately accessible via a separate cover door such that the lamp area need not be opened to service the ballast.
Source: West Virginia Standard Specifications for Road and Bridge Construction, 2023 Edition. Pages 677–678 of 1,006.