Design and Construction Handbook - Los Angeles World Airports

Guide Specification
D. Fasteners: Generally, exposed screws to be Phillips or Robertson drive. Pinned TORX drive at
high security areas. Flat head sleeve anchors (FHSL) may be slotted drive. Sheet metal and
wood screws: full-thread. Sleeve nuts: full length to prevent door compression.
E. Silencers: Interior hollow metal frames, 3 for single doors, 4 for pairs of doors. Omit where
adhesive mounted seal occurs. Leave no unfilled/uncovered pre-punched silencer holes.
2.10 FABRICATION
A. Manufacturer's Nameplate: Provide each door hardware item without exposed manufacturers
labels, names, or designs.
B. Fasteners: Provide door hardware manufactured to comply with published templates generally
prepared for machine, wood, and sheet metal screws. Provide screws according to
commercially recognized industry standards for application intended. Provide Phillips ovalhead
screws with finished heads to match surface of door hardware item being attached.
Machine screws and expansion shields shall be used for attaching hardware to concrete and
masonry. Use throughbolts for renovation work only where existing door blocking and
reinforcements are unknown.
1. Concealed Fasteners: All new doors and door frames have been specified with adequate
blocking and reinforcement provisions to eliminate exposed throughbolting of hardware
items. Doors installed with exposed throughbolts will be rejected and replaced by the
Contractor at no cost to the Owner. Where through bolts are used on existing doors
provide sleeves for each through bolt.
2.11 FINISHES
A. Designations: The abbreviations used to schedule hardware finishes are generally BHMA
(Federal Standards where indicated in parenthesis) designations. Comply with base material
and finish requirements indicated by the following:
1. BHMA 600 (USP): Primed for painting.
2. BHMA 626 (US26D): Satin chromium plated.
3. BHMA 630 (US32D): Satin stainless steel.
DOOR HARDWARE
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PART 3 - EXECUTION
3.1 PREPARATION
A. Hardware for fire door assemblies shall be installed in accordance with NFPA 80. Hardware
for smoke and draft control door assemblies shall be installed in accordance with NFPA 105.
Install hardware for non-labeled and non-smoke and draft door assemblies in accordance with
BHMA A156.115 for steel doors and frames, BHMA A156.115-W series for wood doors, and
hardware manufacturers installation instructions for doors and frames fabricated from other
than steel or wood.
Doors and Frames