506-1 Description.
Construct drainage facilities and accessories to collect and dispose of water from drains on the bridge structures, in accordance with the details shown in the Plans.
506-2 Materials.
Use materials as specified or required in the Plans. For aluminum materials, submit a certified mill analysis, along with a certificate from the producer stating that the materials used meet all requirements of these Specifications. Submit such reports to the Engineer.
506-3 Method of Measurement.
The quantity for bridge drainage system to be paid for will be at the Contract lump sum price. If bridge drainage piping is included in the Contract, the quantity to be paid for will be at the length, in feet. If bridge drains are included in the Contract, the quantity to be paid for will be at the Contract unit price for each.
506-4 Basis of Payment.
Prices and payments will be full compensation for all work, equipment, and materials specified in this Section or shown in the Plans, including the complete installation of the drainage system for the bridge structure. Payment will be made under: Item No. 506 - 1- Bridge Drainage System - lump sum. Item No. 506 - 2- Bridge Drainage Piping - per foot. Item No. 506 - 3- Bridge Drains - each. FY 2023-24 Return to Table of Contents SECTION 510 NAVIGATION LIGHTS FOR FIXED BRIDGES
510-1 Description.
Furnish and install navigation lighting systems, including all wiring, conduit, wiring devices, transformers, enclosures, grounding system, controls, protective devices, lights, etc., as shown in the Plans and in compliance with C ode of Federal Regulations (CFR), Title 33, Part 118, which is further clarified in U .S. Coast Guard (USCG) Publication “A Guide to Bridge Lighting”. Navigation lights must operate from sunset to sunrise and during periods of low visibility.
510-2 Coordination of Electrical Work .
Use experienced personnel in the type of work required by the Contract Documents to provide a complete and satisfactory fitting and fully operational installation. Perform all electrical work either by, or under the immediate supervision of an electrical j ourneyman. Schedule and arrange electrical work in a neat, well -organized manner without interference with the work scheduling of other trades.
510-3 Materials and Equipment.
Meet the equipment and material requirements as shown in the Contract Documents . Furnish and install only materials and equipment of new stock meeting ANSI, NEC, NEMA, and UL requirements, and approved by the Engineer, except where the Contract Documents allow or specify the use of other than new equipment. Furnish and install marine type products manufactured of corrosion resistant materials. Furnish and install only fasteners manufactured from ASTM 316 stainless steel with yield strength 35,000 psi or higher. Furnish and install ASTM 300 series stainless steel conduit strap s or hangers held at not less than two points. Furnish and install framework for supporting boxes, switches, and other externally mounted electrical devices fabricated from ASTM A709 Grade 36 hot-dip galvanized structural steel.
510-4 Navigation Lights an d Aids.
510-4.1 Navigation Lights : Equip all navigation lights with a LED array with a
minimum of 50,000 hour life and bright enough to meet the visibility requirements of CFR Title 33, Part 118. Mount LED arrays on an internal shock and vibration isolator. Provide, in the circuit, a lightning surge suppressor capable of absorbing multiple strikes without replacement. Provide special power supply to provide current limited DC voltage to the LED array. Furnish and install fixtures with unpainted housings of heavy duty cast aluminum or bronze construction with a 1 -1/2 to 2 inch threaded conduit opening on the bottom. Use only marine type mounting boxes with minimum 3/4 inch conduit opening. Furnish and insta ll fixtures with lenses that are standard marine molded , single-piece fresnel type, rigid, heat resistant glass or U.V. resistant polycarbonate and inside diameter of 7 to 8 inch. Furnish all stainless steel closure bolts, lens tie rods, and attachment hardware for a complete and accepted installation. Furnish and install pier/fender lights, center channel lights and channel margin lights with cast aluminum or bronze swivel assembly and mounting bracket, complete with FY 2023-24 Return to Table of Contents