![]() The length of time for guarantee of materials and workmanship should be as stated in the contract between the owner and contractor and the contract special provisions. The engineer should specify the form in which submittals are to be received and number of copies. The Contractor shall be responsible to maintain an insulation resistance of 50 megohms minima, (1000 V megger) with isolation transformers connected in new circuits and new segments of existing circuits through the end of the contract warranty period. ![]() The defective materials and/or equipment shall be repaired or replaced, at the Owner’s discretion, with no additional cost to the Owner. The Engineer reserves the right to reject any and all equipment, materials or procedures, which, in the Engineer’s opinion, does not meet the system design and the standards and codes, specified herein.į.All equipment and materials furnished and installed under this section shall be guaranteed against defects in materials and workmanship for a period of at least from final acceptance by the Owner. Contractor is solely responsible for delays in project accruing directly or indirectly from late submissions or resubmissions of submittals.Į.The data submitted shall be sufficient, in the opinion of the Engineer, to determine compliance with the plans and specifications. Markings shall be boldly and clearly made with arrows or circles (highlighting is not acceptable). Submittals for components of electrical equipment and systems shall identify the equipment for which they apply on each submittal sheet. Indicate all optional equipment and delete non-pertinent data. Clearly and boldly mark each copy to identify pertinent products or models applicable to this project. ![]() Photocopies are acceptable provided they are as good a quality as the original. Submittal data shall be presented in a clear, precise and thorough manner. Submittals consisting of marked catalog sheets or shop drawings shall be provided. All materials and equipment used to construct this item shall be submitted to the Engineer for approval prior to ordering the equipment. Materials supplied and/or installed that do not materially comply with these specifications shall be removed, when directed by the Engineer and replaced with materials, which do comply with these specifications, at the sole cost of the Contractor.ĭ. Requirements and payment for trenching and backfilling for the installation of underground conduit and duct banks is covered under Item L-110 “Airport Underground Electrical Duct Banks and Conduits.” EQUIPMENT AND MATERIALS 108-2.1 GENERAL.Ī.Airport lighting equipment and materials covered by Federal Aviation Administration (FAA) specifications shall be approved under the Airport Lighting Equipment Certification Program described in Advisory Circular (AC) 150/5345-53, current version.ī.All other equipment and materials covered by other referenced specifications shall be subject to acceptance through manufacturer’s certification of compliance with the applicable specification, when requested by the Engineer.Ĭ.Manufacturer’s certifications shall not relieve the Contractor of the Contractor’s responsibility to provide materials in accordance with these specifications and acceptable to the Engineer. This item shall not include the installation of duct banks or conduit, trenching and backfilling for duct banks or conduit, or furnishing or installation of any cable for FAA facilities. Also included are the installation of counterpoise wires, ground wires, ground rods and connections, cable splicing, cable marking, cable testing, and all incidentals necessary to place the cable in operating condition as a completed unit to the satisfaction of the Engineer. It includes excavation and backfill of trench for direct-buried cables only. Item L-108 Underground Power Cable for Airports DESCRIPTIONġ08-1.1 This item shall consist of furnishing and installing power cables direct buried and furnishing and/or installing power cables within conduit or duct banks in accordance with these specifications at the locations shown on the plans.
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