820HIGHWAY LIGHTING

DESCRIPTION

820.20: General

This work shall consist of furnishing and installing or modifying highway lighting. Included in the work is the furnishing and installing or modifying electrical conduit, electric manholes, handholes, pull or junction boxes, concrete foundations, wire and cable, equipment grounding, ground rods, service connection, lighting poles or towers, luminaires, control equipment, load center assemblies, photoelectric control switches, contactors, time clocks, and all incidental materials necessary for operating and controlling highway lighting systems as indicated on the plans. All systems and/or components shall be complete in every respect, fully wired, thoroughly tested, and ready for use. The locations of highway lighting equipment shown on the plan are approximate and the exact locations will be established by the Engineer in the field with the exception of Lighting Poles or Towers. Their locations may be altered 10 ft (±) only by written permission from the Engineer, if obstructions are encountered during installation. All electrical equipment shall be designed. manufactured and tested in accordance with the applicable standards of the ANSI, IMSA, ITE, NEMA and UL and these specifications. All work and materials shall conform to the requirements of the NEC as amended by the MEC, herein referred to as the electrical code. Wherever reference is made to codes or standards mentioned above, the reference shall be construed to mean the code or standard that is in effect on the date of advertising of the project. Standard symbols and construction derails for highway lighting installations are shown on the current Traffic Signal and Highway Lighting Standard Drawings. Within 30 days following execution of the Contract , the Contractor shall submit to the Engineer for approval, a list of equipment which they propose to install. The submission shall include all equipment identified on the plans or in the specifications by the name of the manufacturer, model or identifying number of each item. The list shall be supplemented by catalog cuts and such other data as may be required, including wiring diagrams of any special equipment and of any proposed minor deviation from the p lans. All of the above data shall be submitted in triplicate for checking. Following checking, correction and review, not less than 5 complete approved sets shall be resubmitted to the Engineer for distribution. The Department shall not be liable for any m aterial purchased, labor performed, or delay to the work prior to such review and approval. The warranties that the Contractor receives from each manufacturer of equipment and materials pertinent to the complete and satisfactory operation of highway lighting installation shall be turned over to the Department at the time of acceptance of the proj ect, at no cost to the Department. Each warranty so furnished shall indicate its expiration date and be in effect for a minimum period of one year from the date the highway lighting was placed in continuous operation. II.403 202 4 Edition The contractor shall replace at their own expense any part of the lighting equipment found to be defective in workmanship, material or manner of functioning within six months from the date of final acceptance of all the installations. If within one year from the date the highway lighting system is placed on continuous operation the equipment and materials do not meet the warrants specified above and the Engineer notifies the manufacturer or their authorized representative promptly, the manufacturer or their authorized representative thereupon shall correct any defect either by repairing or replacing any defective part or parts. at no cost to the Department. It is the intent of the Plans, Specifications and Special Provisions to provide a complete highway lighting system through the project. It is not intended that every fitting, minor detail or feature be shown and described, as the Contractor or the Subcontractor is assumed to be an expert in the particular area of responsibility and is capable of interpreting the Plans, Specifications and Special Provisions so that the bid shall include all items required and that they shall be provided and installed in a neat and workmanlike manner.

820.21: Definitions

An aluminum or galvanized steel structure providing up to a 50 -ft mounting height for luminaires mounted on arms up to 10 ft long.

A steel structure providing a mounting height greater than 50 ft for luminaires and equipped with a lowering device to permit luminaire maintenance at ground level.

The term, as used herein, shall constitute assemblage of parts. Equipment and miscellaneous items. forming a complete and independent load center and circuit protector system, housed in a weatherproof trunk cabinet or building as specified.

Shall consist of a housing, reflector, refractor or door glass, refractor holder or door glass holder, lamp socket, mounting device, ballast components, photoelectric control when specified and light source. MATERIALS

820.40: General

All materials shall be new. Luminaires shall incorporate the latest photometric and design standards of IES, NEMA and UL. Where existing systems are to be modified. the existing equipment and material shall be incorporated in the revised system, salvaged , or abandoned , as directed. II.404 202 4 Edition All equipment and materials shall meet the requirements specified in applicable provisions of Section 800: Traffic Control Devices . All metal support structures shall be in accordance with the requirements of Sub