require two or more specialty locks severely
limiting lock functions. Coordinate with codes for
fire exiting and safety. Hardware for doors located
in a means of egress must comply to the requirements
of NFPA 101, Life Safety Code. Add specialized
requirements for locking, keying, and opening to
this paragraph.
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The door manufacturer shall submit available lock functions for selection
of function by the Contracting Officer. Mortise lock and latchsets shall
be, as a minimum, series 1000, operational Grade 1, Security Grade 1 or 1A,
and shall conform to BHMA A156.13. Strikes for mortise locks and latches
(including deadbolt locks), as a minimum, shall conform to BHMA A115.1
except strikes shall be rectangular (without curved lip). Mortise-type
locks and latches for doors 45 mm 1-3/4 inches thick and over shall have
adjustable bevel fronts or otherwise conform to the shape of the door.
Mortise locks shall have armored fronts. Mortise locks and latches shall
have full escutcheon, through-bolted, extruded stainless steel trim. Lock
finish shall be [630] [639] [652] in accordance with BHMA A156.18.
2.1.6.2
Hinges
Steel doors and frames required to resist the "very low" or "low" threat
severity level that are up to and including 2.13 m 7 feet 0 inches high
shall, as a minimum, be equipped with three Grade 1 hinges in accordance
with BHMA A156.1, minimum size 125 mm 5 inches high, heavy, double, or
triple weight as required for weight of door. For each additional 300 mm
12 inches of door height beyond 2.13 m 7 feet 0 inches, provide a minimum
of one more hinge. Hinges shall be full mortise, half mortise, full
surface, or half surface design as recommended by the manufacturer for
frame and door design and shall be tamperproof unless mounted on the
protected side of the door. Hinges shall have [pins as recommended by the
manufacturer] [nonremovable pins] [security pins] [and be equipped with a
safety stud]. Spot welding of hinge pin will not be acceptable. The
Contractor shall provide hinge manufacturer's certification that the hinge
supplied meets applicable test requirements for BHMA A156.1 type number of
hinge specified and that the hinge is suitable for the size and weight of
the door assembly on which it will be utilized. Continuous extra
heavy-duty piano-type hinge sized to carry the weight of the door without
sagging is permitted. If continuous piano-type hinges are provided with
the door, independent laboratory reports covering both the door weight
capacity and a 2,500,000 cycle testing to match the BHMA A156.1 Grade 1
requirements shall be furnished by the Contractor. Interior door hinges
shall be furnished in prime coated steel. Exterior door hinges shall be
furnished in nonferrous metal or stainless steel.
2.1.6.3
Electric Strikes
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NOTE: Use of an electric strike makes the door
assembly more susceptible to compromise, especially
on doors swinging into a protected area.
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Where required, electric strikes shall conform to BHMA A156.5 Grade 1.
Strike boxes shall be furnished with deadbolt and latch strikes for Grade
1. Strikes shall be [fail secure] [fail safe].
SECTION 11025
Page 21
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