Attachment 1: Specifications - Metropolitan Washington Airports ...

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DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012 TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN RONALD REAGAN WASHINGTON NATIONAL AIRPORT PROJECT DT1203 B. Field quality-control reports. 1.6 CLOSEOUT SUBMITTALS A. Operation and maintenance data. 1.7 COORDINATION A. Coordinate layout and installation of switches, circuit breakers, and components with equipment served and adjacent surfaces. Maintain required workspace clearances and required clearances for equipment access doors and panels. PART 2 - PRODUCTS 2.1 FUSIBLE SWITCHES A. Manufacturers: Subject to compliance with requirements, or as acceptable to the Authority, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following: 1. Eaton Electrical Inc.; Cutler-Hammer Business Unit. 2. General Electric Company; GE Consumer & Industrial - Electrical Distribution. 3. Siemens Energy & Automation, Inc. 4. Square D; a brand of Schneider Electric. B. Type HD, Heavy Duty, Single Throw, 600-V ac, 1200 A and Smaller: UL 98 and NEMA KS 1, horsepower rated, with clips or bolt pads to accommodate indicated fuses, lockable handle with capability to accept three padlocks, and interlocked with cover in closed position. C. Accessories: 1. Equipment Ground Kit: Internally mounted and labeled for copper and aluminum ground conductors. 2. Neutral Kit: Internally mounted; insulated, capable of being grounded and bonded; labeled for copper and aluminum neutral conductors. 3. Isolated Ground Kit: Internally mounted; insulated, capable of being grounded and bonded; labeled for copper and aluminum neutral conductors. 4. Class R Fuse Kit: Provides rejection of other fuse types when Class R fuses are specified. 5. Auxiliary Contact Kit: Two NO/NC (Form "C") auxiliary contact(s), arranged to activate before switch blades open. 6. Lugs: Compression type, suitable for number, size, and conductor material. ENCLOSED SWITCHES AND CIRCUIT BREAKERS 26 28 16 - 2
DCA TERMINAL A IMPROVEMENTS (NEAR TERM) 10 AUGUST 2012 TASK ORDER 03: LOBBY IMPROVEMENTS – PKG 4 - CURBSIDE CHECK-IN RONALD REAGAN WASHINGTON NATIONAL AIRPORT PROJECT DT1203 2.2 ENCLOSURES A. Enclosed Switches and Circuit Breakers: NEMA AB 1, NEMA KS 1, NEMA 250, and UL 50, to comply with environmental conditions at installed location. 1. Indoor, Dry and Clean Locations: NEMA 250, Type 1. 2. Outdoor Locations: NEMA 250, Type 3R. 3. Wash-Down Areas: NEMA 250, Type 4X, stainless steel. 4. Other Wet or Damp, Indoor Locations: NEMA 250, Type 4. 5. Indoor Locations Subject to Dust, Falling Dirt, and Dripping Noncorrosive Liquids: NEMA 250, Type 12. PART 3 - EXECUTION 3.1 EXAMINATION A. Examine elements and surfaces to receive enclosed switches and circuit breakers for compliance with installation tolerances and other conditions affecting performance of the Work. B. Proceed with installation only after unsatisfactory conditions have been corrected. 3.2 INSTALLATION A. Install individual wall-mounted switches and circuit breakers with tops at uniform height unless otherwise indicated. B. Comply with mounting and anchoring requirements specified in Section 26 05 48 "Vibration and Seismic Controls for Electrical Systems." C. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, and brackets and temporary blocking of moving parts from enclosures and components. D. Install fuses in fusible devices. E. Comply with NECA 1. 3.3 IDENTIFICATION A. Comply with requirements in Section 26 05 53 "Identification for Electrical Systems." 1. Identify field-installed conductors, interconnecting wiring, and components; provide warning signs. 2. Label each enclosure with engraved metal or laminated-plastic nameplate. ENCLOSED SWITCHES AND CIRCUIT BREAKERS 26 28 16 - 3
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TECHNICAL SPECIFICATIONS VOLUME I O
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