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. All wiring, including low voltage wiring outside boxes and enclosures, which is not installed in a raceway or duct bank, shall be installed in electric metallic tubing (EMT) conforming to UL 797. Minimum size shall be 3/4-inch unless otherwise shown. All electrical work shall be as specified in Division 26 Electrical Sections, and as shown. Grounding shall be installed as necessary to preclude ground loops, noise, and surges from adversely affecting system operation. C. Maintain consistent color-coding for all wiring/cabling in accordance with the approved shop drawings. D. Power line surge protection: All equipment connected to alternating current circuits shall be protected from power line surges. E. Device wiring and communication circuit surge protection: Copper wire inputs and outputs shall be protected against surges induced on communication and device wiring. 3.4 CONNECTIONS A. All connections of stranded wire to screw terminals shall be by insulated spade lugs, crimp fastened to wire or as specified otherwise. B. No splicing of cables is permitted for installation of the system. C. All non-terminal block connections shall be made with mechanical connectors with insulation equal to conductor insulation and as approved by the COTR. D. All conductors and cabinets shall be labeled. E. Wire shall be guided within terminal cabinets by cable supports. All conductors shall be neatly led to terminations. 3.5 MOUNTING SCREWS A. Mounting screws for all junction boxes, including pull boxes, and mounting of all devices are to be of the pinned torx stainless steel type. Size and thread type as required by manufacturer and back box type. 3.6 HANGERS AND SUPPORTS A. The Contractor shall supply all equipment supports, hangers, anchors, bases, sleeves and the sealing of work to adjacent construction. B. Submit all data in accordance with Part 1 of this specification. C. Certify that products meet or exceed specified requirements. D. Verify field measurements prior to fabrication. VIDEO SURVEILLANCE SYSTEM 28 23 00 - 10
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 E. Install hangers to provide minimum ½-inch space between finished covering and adjacent work. F. Place hangers within 12 inches of each horizontal elbow. G. Use hangers with 1½-inch minimum vertical adjustment. H. Support vertical piping at floor penetration. I. Where several conduits can be installed in parallel and at same elevation, provide multiple or trapeze hangers. J. Design hangers for movement without disengagement of supported conduit. K. Conduits shall not be hung or supported from each other. L. Where support members are welded to structural building framing, scrape, brush clean, and apply one coat of zinc rich primer to welding. M. Provide hangers adjacent to motor driven equipment with vibration isolation. N. Use a separate hanger for each branch. O. Support vertical risers at the floor with extension conduit clamps approved by the COTR. 3.7 TESTING A. Provide test plan and procedures documentation for system in accordance with Division 26 and as specified herein. B. Provide system test plans and procedures including test plan narrative, step-by-step procedure instructions, list of test equipment used, and expected results. C. Provide all personnel, equipment, instrumentation, and supplies necessary to perform all testing. D. Upon completion of the installation and testing of all field devices and equipment back to the CCTV headed and completion of programming by The Authority the Contractor shall jointly test and document the system extension with The Authority’s maintenance contractor. All devices, equipment and system programming shall be tested 100 percent. This is to include: 1. Verification that the video and power cabling has been installed, tested, and approved. 2. Verification that all video sources and video outputs provide a full bandwidth signal that complies with EIA-170 and EIA-170-A at all video inputs. E. Field-mounted devices shall be tested via actual activation of the devices under normal operating conditions rather than simulated activations. F. Where system testing will cause outages or impacts, schedule testing activities so as to impose the least inconvenience on system users, Airport tenants, and other Airport agencies. This may VIDEO SURVEILLANCE SYSTEM 28 23 00 - 11
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