2.2.5
Factory Finishing
a.
After fabrication, dress, fill, and sand tool marks and surface
imperfections to make faces and vertical edges smooth, level, and
free of irregularities.
b.
Surfaces shall be chemically treated and cleansed of rust, oil,
and impurities and given a phosphate treatment to ensure paint
adhesion.
c.
Paint exposed surfaces of doors, and both inside and outside of
frames with a minimum of one-mil thickness of rust inhibitive
primer which shall be dried and completely cured to develop
hardness before shipment.
2.3
ACCESS PANELS
Provide steel access panels of sizes and locations as indicated and where
required for access to utilities, equipment, and controls.
a.
Doors shall be 10 gage steel, flanged 32 mm 1.25 inches on four
sides, with welded corners.
b.
Frame shall be composed of steel angles measuring 5 by 50 by 50 mm
3/16 by 2 by 2 inches. Weld and grind joints smooth.
c.
Provide detention type hinges with nonremovable pin, three per
frame. Weld to door and frames.
d.
Weld steel stop angles measuring 3 by 25 by 25 mm 1/8 by one by
one inch to frame on all four sides.
e.
Masonry anchors shall be welded at factory, 3 by 25 by 150 mm 1/8
by one inch by 6 inches, minimum four per panel. [Provide
expansion shields at concrete openings, factory countersunk for
10 mm 3/8 inch flathead machine screw, minimum two per jamb.]
f.
Factory finish with prime coat of rust-inhibitive, baked-on enamel.
g.
Provide locks at panels within the security perimeter [and points
of egress from ducts and tunnels terminating outside the security
perimeter]. Lock case and cover shall be malleable iron and
steel. Bolt shall be high strength bronze and project 20 mm 3/4
inch from case when retracted and have a throw of not less than 16
mm 5/8 inch. Locks shall have five tumblers, each actuated by
phosphor bronze springs. Locks shall operate from one side only.
Attach to panel with detention type screws. Locks shall be keyed
alike. Enter coded keys into keying system as specified in
Section 11194 DETENTION HARDWARE.
2.4
OPENING PROVISION
[Speaking ports] [Louvers] [View ports] [Food passes] shall be manufactured
as indicated.
2.5
SOURCE QUALITY CONTROL
Prior to fabrication, perform the following minimum performance test on a
12 gage reinforced flush door of the type to be provided on this project:
SECTION 11193
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