double doors is inactive and is equipped with head
and foot bolts. Avoid installations which will
require door "coordinators."
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NOTE: Maximum air leakage rates are 0.0025 cubic
meter per second per sq. m 0.5 cfm per sq. ft. of
door area for residential swinging doors and
0.003125 per cubic meter per second per sq. m 1.25
cfm per sq. ft. of door area for non-residential
swinging doors.
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Provide weatherstripping that is a standard cataloged product of a
manufacturer regularly engaged in the manufacture of this specialized item.
Weatherstripping shall be [tempered spring bronze] [or] [looped neoprene or
vinyl held in an extruded non-ferrous metal housing]. [Bronze
weatherstripping shall be a minimum of 0.23 mm 0.0089 inch thick for sills,
and a minimum of 0.16 mm 0.0063 inch thick elsewhere.] Air leakage of
weatherstripped doors shall not exceed [0.0025] [0.003125] cubic meter per
second of air per square meter [0.5] [1.25] cubic feet per minute of air
per square foot of door area when tested in accordance with ASTM E 283.
2.2.4
Additional Hardware Reinforcement
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NOTE: Size and shape of core blocking can add
considerably to the price of doors. Check
manufacturer's catalogs prior to specifying the
larger five inch blocking.
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Provide fire rated doors with hardware reinforcement blocking. [Size of
lock blocks shall be as required to secure the hardware specified.] [Top,
bottom and intermediate rail blocks shall measure 125 mm 5 inches minimum
by full core width.] Reinforcement blocking shall be in compliance with
the manufacturer's labeling requirements and shall not be mineral material
similar to the core.
2.3
FABRICATION
2.3.1
Marking
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NOTE: Marking may not be required for smaller jobs,
or for doors not required to be fire-rated. Delete
this paragraph and coordinate with paragraph
"SUBMITTALS" when appropriate.
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Each door shall bear a stamp, brand, or other identifying mark indicating
quality and construction of the door.
2.3.2
Quality and Construction
Identify the standard on which the construction of the door was based [,
identify the standard under which preservative treatment was made,] and
identify doors having a Type I glue bond.
SECTION 08210
Page 11
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