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
6. NEMA Motor Starters and Circuit Breakers: Contractor shall have option of providing
either NEMA Starters or IEC Starters, as listed below.
a. Circuit Breakers: Motor circuit breakers shall be Magnetic Only Motor Circuit
Breakers, 480-Volts, 3-Pole, 15,000 A.I.C. minimum, and sized as required for
intended load. Circuit breakers shall be Allen Bradley, General Electric, Schneider
Electric or as acceptable to The Authority. Circuit breakers shall coordinate with
RK1 fuses in main and shall be an UL approved coordination.
b. NEMA Starters: All NEMA starters shall be Allen-Bradley 509 Series or as
acceptable to The Authority. Motor starters shall be NEMA Rated, 3-Pole, 480V,
120V Starter Coil Voltage, magnetic across-the-line contactors, each with a
holding contact and auxiliary contacts as required. Motor starters shall each have
three manual-reset, thermal-overload relays. Reversing motor starters shall be
Allen-Bradley 505 Series or as acceptable to The Authority and shall have
electrical and mechanical interlocks. Starters shall incorporate thermal overload
protection in all phases. Overload shall be set at 100%. Minimum starter size
shall be NEMA size “0”. All motor starters shall be mounted in Motor Control
Panels with their associated controls.
7. IEC Motor Starters and Group Fusing: Contractor shall have option of providing either
IEC Starters or NEMA Starters, as listed above.
a. Group Fusing: Fuse blocks shall be rated for 600-Volt, 3-Pole, and sized as
required for intended load. Fuse blocks shall be Bussmann, Marathon, or as
acceptable to The Authority. Fuse block, fuses, and associated components shall
coordinate with RK1 fuses in main and IEC starter, and shall be an UL approved
coordination. Components and installation shall comply with NEC or Local Code
requirements, whichever are more stringent.
b. IEC Starters: All IEC starters shall be Schneider Electric TeSys U-Line motor
starters with “D-Line” series contactors, Allen-Bradley bulletin 140 series starters
with bulletin 100 series contactors, or as acceptable to The Authority. Motor
starters shall be UL approved for group motor installations and protected by group
fusing in accordance with UL and NEC requirements. Short circuit protective
device size shall comply with NEC requirements for group motor installations of
this type. Starters shall be 3-Pole, 480V, 120V Starter Coil Voltage, with auxiliary
contacts as required. Installation shall conform to NEC requirements. All motor
starters shall be mounted in Motor Control Panels with their associated controls.
8. Relays:
a. Control Relays: Shall have a 120-volt AC coil rating, and each relay shall have a
minimum of eight NO/NC contacts rated at 600 volts, 10 amps. Allen-Bradley
Model 700-P Series with 700-MP universal mounting strip. Provide Allen-Bradley
surge suppressors on control relays.
b. Relays: Shall have a 120-volt AC coil rating, Model 700-HA Series with 700-
HN100 screw terminal tube base socket.
c. All timing functions shall be accomplished in the programming. Timer relays are
not acceptable, unless specifically required for an operation. For VFD delay
BAGGAGE HANDLING EQUIPMENT 34 77 16 - 45