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
11. Conveyor Identification: Each conveyor section shall be permanently and indelibly
marked. Each conveyor number shall be carefully and neatly painted or stenciled in a
contrasting color, nominally 4” high, in a conspicuous location on the conveyor drive.
Temporary markings on the conveyors or other equipment shall be made with a medium
which is readily removable with water or a readily available commercial solvent, such
that they may be removed without requiring refinishing of the surface on which they
appear. All existing conveyor identifications shall be removed/covered.
2.4 ASSOCIATED EQUIPMENT AND MATERIAL
A. Draft Curtains: Draft curtains with mounting shall be provided where the doors (any types of
door) are shown on the drawings and shall be two staggered layers of black vinyl strip (8” x
1/16”) with anti-static beaded belting.
B. Catwalk and Ladders:
1. Provide and install catwalks and ladders as shown on the drawings. All apparatus shall
conform to OSHA and Local Building Code standards and requirements.
2. Catwalk support system shall be integral with the conveyor support system.
3. Catwalks shall be constructed of galvanized solid ‘diamond patterned’ surface steel
Catwalk shall be supported as shown on the BHS Contract Drawings and as required
herein.
4. Catwalks shall be parallel to level conveyors. Where conveyor is inclined, catwalks shall
be level platforms connected by steps or ship ladders. Under inclines, catwalks shall
extend under conveyors to provide a work space to service drives.
5. Provide design and assembly drawings, stamped by a licensed structural engineer who
has a license at the location of installation, for the catwalk/conveyor supporting system
and attachments to the building structure.
6. Ladders shall have a capacity of 300 pounds per rung. The rungs shall be square in shape
(cross section) and the foot hold (top surface to each rung) shall have a gripping surface.
7. Angled ladders shall have hand rails. Vertical ladders where taller than 8’-0” shall have
cages for the portion above 8’-0” except on a side where access to an adjacent catwalk or
platform is required. Ladders shall be provided with self-close swinging gates.
C. Curbing and Guardrails: Dia. 4” Steel tube guardrails (OSHA Safety Yellow) shall be provided
as shown on the BHS drawings for protection of conveyor sections, drive assemblies, and
electrical hardware vulnerable to damage by tug/cart movements. (Concrete curbing, if
required, will be furnished and installed within the General Contract).
D. Security/Fire Doors:
1. Security and fire doors are required as shown on the drawings and shall be 2 hour fire
rated minimum, electrically operated coiling/rolling type. Door models shall be selected
to conform with the limited space available inside the claim devices and within
doghouses where applicable. All exposed surfaces visible to the public shall be stainless
steel, type 304 with #4 brushed finish. Accessibility to all motors, operators, emergency
operators, door attachments, guide attachments, hoods, etc. shall be from the secured side
of the door only, unless noted otherwise.
BAGGAGE HANDLING EQUIPMENT 34 77 16 - 42