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
b) When one or more E-Stop buttons are depressed, the conveyor within
this associated E-Stop zone shall be stopped and the associated
upstream conveyors shall cascade stop. When the E-Stop pushbutton
is depressed, the red light shall flash on the actuated E-Stop
pushbutton and all E-Stop pushbuttons in the E-Stop zone shall be
illuminated solid. After clearing the emergency, the system shall be
restarted by resetting the actuated E-Stop pushbutton and then
pressing the START/RESTART pushbutton. Resetting the E-Stop
pushbutton shall extinguish the lamp of E-Stop pushbutton. The startup
warning system shall activate as required prior to the system
restarting, as described herein.
6) Line Terminus Lateral Stop (Fire Emergency):
a) In the event of a fire, a signal shall be sent to the BHS from the Fire
Alarm System; the PLC programming shall stop all BHS equipment
of the associated Life-Safety zone. The BHS Contractor shall
coordinate interface requirements with the Fire Alarm System
Contractor and installer.
b) System restart shall be accomplished through the system start-up
procedure.
7) Line Terminus Lateral Stop (Power Outage):
a) In the event of a power outage, all fire/security doors shall fully close
after emergency power is provided
2.2 RECIRCULATING MAKE-UP DEVICES
A. Slope Plate Carousel: Not Used.
2.3 SILDER BED BELT CONVEYORS
A. Description: Steel frame slider bed conveyors for normal and high speed operations.
B. Drives: See electrical section for other requirements.
1. Motors:
a. The conveyors shall be driven by AC motors or brake motors that comply
electrically with NEMA MG1. Motors shall be sized for maximum load and belt
speed requirements under continuous operation (minimum size 2 HP), and shall be
capable of withstanding shock caused by frequent starting and stopping under full
load where applicable. If overrun is critical to system control operation, motors
shall be equipped with automatically applied brakes to prevent overrun after the
motors have been de-energized. All motors shall be provided with overload
protection of each leg in the control panel. Bolts for mounting of motors shall be
welded to motor mount frame for easy replacement of motors.
BAGGAGE HANDLING EQUIPMENT 34 77 16 - 35