manufacturers to ensure selection of proper size and
type of stops and holders. If hold-open feature is
not required or permitted (fire doors) specify equal
grade stop without hold-open feature.
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Door stops [and holders] shall be extra heavy duty, [Type C08511 in
accordance with BHMA A156.8] [[Type L11251] [and] [Type L11271] in
accordance with BHMA A156.16] [_____].
2.4.7
Frame Anchors
Jamb anchors shall be provided with door/frame assembly and shall conform
to manufacturer's recommendations to ensure complete bullet-resistant
assemblies. Provisions shall be made to stiffen the top member of all
spans over 900 mm 3 feet. The bottom of the frames shall extend below the
finish floorline and shall be secured to the floor slab by means of angle
clips and expansion bolts. Floor clips are not required for installation
in pre-built or existing openings.
2.4.8
Weatherstripping
Head and jambs shall be provided with compression-type neoprene bulb or
closed-cell neoprene adjustable-type weatherstripping. Door stops shall be
weatherstripped with a surface-mounted sponge neoprene strip in bronze
housing not less than 1.78 mm 0.070 inch thick installed to make contact
with the door. Weatherstripping shall be installed in conformance with the
manufacturer's directions after completion of finish painting.
2.4.9
Louvers for Doors
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NOTE: Due to louver thickness and heavy weight,
designers should avoid louvers in doors. If used,
place louvers in inactive leaf of door pair where
possible.
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Where indicated, doors shall be provided with full louvers or louver
section. Louvers shall be certified resistant to the same ballistic threat
level as the rest of the door assembly. Louvers shall be sightproof type
inserted into the door. Pierced louvers shall not be used. Inserted
louvers shall be stationary and shall be nonremovable from the outside of
exterior doors or the threat side of interior doors. [Insect screens shall
be removable type with 18 by 16 mesh aluminum or bronze cloth.] [Where
required by test standard, louvers shall be provided with a spall-resistant
screen of fine stainless steel mesh.] The free area of the total square
meters feet of the louver shall be [17 percent for channel style louvers]
[39 percent for chevron style louvers (inverted angles at 25 mm 1 inch on
center)] [[_____] percent]. Louver submitted shall have been tested in
accordance with AMCA 500-Dairflow test, minimum airflow shall be [[_____]
percent for channel style] [[_____] percent for chevron style] [[_____]
percent]. Airflow calculations and test data showing compliance shall be
submitted.
2.5
BULLET-RESISTANT LOUVERS
Louvers and frames shall be fabricated from steel shapes to the opening
dimensions indicated. The louvers shall be factory fabricated units
SECTION 11035
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