NFPA 70. The door manufacturer shall furnish manual or automatic control
and safety devices, including extra flexible Type SO cable and
spring-loaded automatic takeup reel or equivalent device, as required for
operation of the doors. Conduit, wiring, and mounting of controls are
specified in Section 16402 INTERIOR DISTRIBUTION SYSTEM.
[2.4.6
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NOTE: Delete this paragraph if not applicable. If
applicable, identify doors.
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Electrical materials, equipment, and devices for installation in hazardous
locations, as defined by NFPA 70, shall be specifically approved by
Underwriters Laboratories or by another independent testing agency using
equivalent standards, for the particular chemical group and the class and
division of hazardous location involved.
]2.5
WEATHER SEALS [AND SAFETY DEVICE]
Provide exterior doors with weatherproof joints between sections, a rubber
or vinyl adjustable weatherstrip at the top, and a compressible neoprene or
rubber weather seal attached to the bottom of the door. [On exterior doors
that are electrically operated, the bottom seal shall be a combination
compressible weather seal and safety device for stopping [and reversing]
door movement.] [Provide interior doors that are electrically operated
with a compressible type of safety device for stopping [and reversing] door
movement.]
2.6
Concealed ferrous metal surfaces shall be hot-dip galvanized. Exposed
ferrous metal surfaces shall be hot-dip galvanized and shop primed.
2.6.1
Galvanized and Shop Primed
Surfaces specified shall have a zinc coating, a phosphate treatment, and a
shop prime coat of rust-inhibitive paint. The galvanized coating shall
conform to ASTM A 653/A 653M, coating designation Z275 G90, for steel
sheets, and ASTM A 123/A 123M for assembled steel products. The weight of
coatings for assembled products shall be as designated in Table I of ASTM A
123/A 123M for the class of material to be coated. The prime coat shall be
a type especially developed for materials treated by phosphates and adapted
to application by dipping or spraying. Repair damaged zinc-coated surfaces
by the application of galvanizing repair paint and spot prime. At the
Contractor's option, a two-part system including bonderizing, baked-on
epoxy primer, and baked-on enamel topcoat may be applied to slats before
forming in lieu of prime coat specified.
2.6.2
Aluminum
[Surfaces shall receive a clear anodized finish, AA-M10-C22-A41, in
accordance with NAAMM MFM.] [Exposed surfaces shall receive a pretreatment
and a [white] [_____] baked-on enamel finish as standard with the
manufacturer.]
SECTION 08370
Page 9
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