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BHMA A156.22. Provide the type and function designation where specified in
paragraph entitled "Hardware Schedule". A set shall include head and jamb
seals[, sweep strips,] [and, for pairs of doors, astragals]. Air leakage
of weather stripped doors shall not exceed [2.19 x 10-5] [5.48 x 10-5] cms
[0.5] [1.25] cubic feet per minute of air per square meter foot of door
area when tested in accordance with ASTM E 283. Weather stripping shall be
one of the following:
2.3.20.1
Extruded Aluminum Retainers
Extruded aluminum retainers not less than 1.25 mm 0.050 inch wall thickness
with vinyl, neoprene, silicone rubber, or polyurethane inserts.
Aluminum
shall be [clear (natural)] [bronze] anodized.
2.3.20.2
Interlocking Type
Zinc or bronze not less than 0.45 mm 0.018 inch thick.
2.3.20.3
Spring Tension Type
Spring bronze or stainless steel not less than 0.20 mm 0.008 inch thick.
2.3.21
[Lightproofing] [and] [Soundproofing] Gasketing
BHMA A156.22. A set shall include adjustable doorstops at head and jambs
and an automatic door bottom, both of extruded aluminum, [clear (natural)]
[bronze] anodized, surface applied, with vinyl fin seals between plunger
and housing. Doorstops shall have solid neoprene tube, silicone rubber, or
closed-cell sponge gasket. Door bottoms shall have adjustable operating
rod and silicone rubber or closed-cell sponge neoprene gasket. Doorstops
shall be mitered at corners. Provide the type and function designation
where specified in paragraph entitled "Hardware Sets".
2.3.22
Rain Drips
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NOTE: These items are not covered by federal
specifications or BHMA standards. For types
available, see manufacturers' catalogs.
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Extruded aluminum, not less than 2.03 mm 0.08 inch thick, [clear] [bronze]
anodized. Set drips in sealant conforming to Section 07920 JOINT SEALANTS
and fasten with stainless steel screws.
2.3.22.1
Door Rain Drips
Approximately 38 mm high by 16 mm 1 1/2 inches high by 5/8 inch projection.
Align bottom with bottom edge of door.
2.3.22.2
Overhead Rain Drips
Approximately 38 mm high by 64 mm 1 1/2 inches high by 2 1/2 inches
projection, with length equal to overall width of door frame. Align bottom
with door frame rabbet.
SECTION 08710
Page 18
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