Attachment 1: Specifications - Metropolitan Washington Airports ...

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
2.5 ELECTRICAL COMPONENTS
A. General:
1. Materials shall be of the quality specified herein, new, free from defects, of the best
commercial/industrial grade, and approved by a nationally recognized testing laboratory
wherever published standards exist. Each type of material shall be of the same make and
manufacturer throughout the project. Materials shall comply with NEC or Local Code
requirements, whichever are more stringent.
2. The electrical equipment identified herein is based on products by different
manufacturers and indicates the level of quality and performance required for the
equipment. Provided that the equipment is equal in quality and performance to that
identified herein and meets the requirements of these contract documents, electrical
equipment by Allen-Bradley, Schneider Electric, Cutler-Hammer, Square D, or as
acceptable to The Authority is acceptable for use in this Work.
3. All computers, PLCs, and other components with processor chips shall be “Year 2000”
and “New Daylight Saving Time” compliant. Refer to Warranty section identified herein
for design failure requirements.
B. Motor Control Panels (MCP):
1. Panels shall be designed and arranged by a control company with a history of 5 years
experience of previous work in BHS. Control panels shall be provided fully designed
and manufactured ready to install for field connected wiring. BHSC shall install panels
secured to floor to withstand earthquake conditions of 1.5 times panel force. Provide
fluorescent light fixture(s) inside each motor control panel to properly light electrical
equipment and tagging, which shall turn on when MCP door is opened.
2. Control Device Identification: MCP component identification shall be provided so that
all relays, timers, starters, overloads, fuses, etc. can be readily identified when the MCP
door is opened. In addition to all prime manufacturers' nameplates, all electrical and
mechanical control items mounted in or on panels or pushbutton stations shall be further
identified in the system by permanently attached corrosion-proof, etched, engraved, or
stamped identification plates. Dymo-type labels are not acceptable.
3. All motor control panels and surface-mounted enclosures shall be NEMA Type 12,
except those exposed to direct rain, which shall be Type 3 or 4 Weatherproof. MCP shall
be Hoffman Heavy-Duty Free-Standing Enclosure or as acceptable to The Authority.
Other panels shall be Hoffman or as acceptable to The Authority.
4. Main Power Shutoff: Shall be a heavy duty, 480-Volts, 3 Phase, fused switch. Shutoff
shall be General Electric, Allen-Bradley, Square D or as acceptable to The Authority.
Fuses shall be up to 600A - RK1 fuses. Shutoff shall be installed inside housing with
operating handle arranged for connect or disconnect with doors of control panel in closed
position. Size for added 30% code motor load. The BHSC shall install all required
warning placards on all MCPs.
5. Emergency Power Fusible Disconnect Switch and Operating Mechanism: Shall be a
heavy duty, 480 Volts, 3 Phase, fused. Disconnect shall be General Electric, Allen
Bradley, Square D or as acceptable to The Authority. Fuses shall be RK1 fuses.
Disconnect shall be installed inside the MCP. Size for added 30% code motor load. The
BHSC shall install all required warning placards on all MCPs.
BAGGAGE HANDLING EQUIPMENT 34 77 16 - 44