than [_____] mm inches.] Provide hook with spring loaded steel safety
latch for closing the hook throat opening. The hook and hook nut shall be
unpainted. Permanently mark hook and hook nut with an identification
number.
2.10.1
Hook and Hook Nut Magnetic Particle Inspection
Magnetic particle inspect the hook and nut over the entire area in
accordance with ASTM A 275/A 275M. Acceptance standard shall be no
defects. A defect is defined as a linear indication that is greater than
3 mm 1/8 inch long whose length is equal to or greater than three times it
width.
2.11
BEARINGS
All bearings except those subject to a small rocker motion shall be
anti-friction type. Bearings not considered lifetime lubricated by the
manufacturer shall be provided with a means for lubrication.
2.12
PENDANT PUSHBUTTON STATION
Hoist [and trolley] shall be controlled from a pendant pushbutton station.
Arrange pushbuttons in accordance with ASME B30.11recommendations. Locate
station [1.2 m] [4 feet] [_____] above the finished floor.
2.13
ELECTRIFICATION
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NOTE: Festooned type electrification is preferred
for short travel distances. Continuous conductors
are recommended for enclosed safety bar
electrification where runway conditions permit.
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Runway electrification shall be of the [flat festooned type] [enclosed
safety bar type with four [continuous] copper conductors]. Provide
electrical work for the monorail system in accordance with NFPA 70 [and
Section 16402 INTERIOR DISTRIBUTION SYSTEM].
2.14
IDENTIFICATION PLATES
Provide identification plates of noncorrosive metal with clearly legible
permanent lettering giving the manufacturer's name, model number, capacity
in pounds, and other essential information or identification.
2.15
PAINTING SYSTEM
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NOTE: Specify blast cleaning, zinc primer, and
epoxy finish coat for outdoor monorail systems. For
a corrosive atmosphere, specify appropriate
protective requirements.
**************************************************************************
[Painting shall be manufacturers standard.] Provide a primer and a finish
coat. [Blast clean all components prior to painting. Primer shall be
inorganic zinc type. The finish coat shall be an epoxy formulated for
marine environments.] Paint coats shall be smooth and even, free of runs,
sags, orange peel, or other defects.
SECTION 14622N
Page 13
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