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
i. Lateral bracings shall be provided throughout the system. The locations of lateral
bracing shall be submitted for review and approval. Lateral bracings shall also be
provided when the extra locations are identified by the COTR during the site
inspections.
17. Handrails: Handrails shall be installed on all platforms and catwalks except where
adjacent to conveyors. Handrails shall be constructed from 1-1/2 inch x 1-1/2 inch steel
tubing and shall be nominally 42 inches from the catwalk to the top rail with a mid-rail
provided at 21 inches above catwalk. Handrail shall be designed to withstand a
concentrated load of 250 lbs.
18. Conveyor Openings:
a. Where conveyor penetrates the floor or other walking/working surfaces, the gap
between the equipment and the edge of the opening shall be secured so that no
person or tools can fall through the gap. The materials used to secure the gap shall
be easily removable.
b. Removable pan shall be provided between conveyor gaps.
19. Fire Resistance Filler at Fire Doors: Provide fire resistance filler at the locations of Fire
Door to seal any openings that allow fire to penetrate.
20. Draft Curtains: Provide draft curtain with each security/fire door.
21. Expansion Joints: The BHSC shall detail-design the BHS to accommodate the building
movement at each expansion joint; the design shall not cause any bags to have a jam or
interruption of BHS and CBIS operation.
D. Electrical Design:
1. System Power Provisions:
a. Base Building Contractor:
1) Source for systems: 480 VAC, 3 phase, 60 Hz power will be furnished and
installed within the Base Building Contract to the Motor Control Panel
(MCP) as shown on the BHS contract drawings and/or electrical drawings.
Refer to the BHS drawings and/or electrical drawings for amperage
provisions.
2) The Base Building Contractor shall also provide emergency power to the
MCP, for controlling security doors, security/fire doors, fire doors and
conveyors immediately upstream and downstream of each type of door.
3) The Base Building Contractor shall provide Distribution Panels/Junction
Box as shown on the electrical drawing.
4) The Base Building Contractor shall provide feeder cable from the
Distribution Panels/Junction Box to the MCP.
5) The Base Building Contractor shall provide 120 VAC, single-phase control
power to the MCP.
b. Baggage Handling System (BHS) Contractor:
1) The BHSC shall coordinate with the Base Building Contractor for the
connection of the feeder from the Distribution Panel/Junction Box to the
BAGGAGE HANDLING EQUIPMENT 34 77 16 - 20