specifications - FAACO - Federal Aviation Administration Contract ...

16170 DISCONNECTSFTWIC-2235June 2009PART 1.00GENERAL1.01 WORK INCLUDED:Furnish labor, materials, equipment and incidentals necessary to install disconnects.1.02 RELATED WORK COVERED ELSEWHERE:General Requirements for Electrical Work Section 16010Supporting Devices Section 161901.03 QUALITY ASSURANCE:Acceptable manufacturers shall be firms regularly engaged in the design, manufacture, andtesting of electrical disconnect switches and shall have been producing such products for at leastfive (5) years.1.04 SUBMITTALS:Submittals shall be in accordance with Section 01300, SUBMITTALS and shall includemanufacturer's data: Submit manufacturer's specifications and catalog cuts for products to beused.1.05 STANDARDS:Refer to Section 16010, GENERAL REQUIREMENTS FOR ELECTRICAL WORK, for allstandards which apply to this section.PART 2.00PRODUCTS2.01 MANUFACTURED PRODUCTS:A. DISCONNECT SWITCHES:Class "R" or non-fusible; of the required ampere rating, or as indicated on the plans;heavy duty, locking type, quick-make, quick-break, three phase, three pole switches,unless otherwise indicated. Switches shall be of the voltage and current ratings indicatedon the drawings, and each shall be capable of interrupting the locked-rotor current on themotor for which it is to be used. The locked-rotor will be assumed to be ten times the fullrated load current. Except for ground lugs which shall be bonded to the housing, all partsshall be mounted on insulating bases to permit replacement of any part from the front ofthe switch. All current carrying parts shall be of high conductivity copper unlessotherwise specified, and shall be designed to carry rated current without excessiveheating. Switch contacts shall be silver-tungsten or plated to minimize corrosion, pittingand oxidation and to assure suitable conductivity.16170-1