hook components shall be magnetic-particle inspected over the entire area
in accordance with ASTM A 275/A 275M. The acceptance standard shall be one
of no defects. A defect is defined as a linear indication revealed by
magnetic-particle inspection that is greater than 3 mm 1/8 inch long whose
length is equal to or is greater than three times its width.
2.1.4
Hoist Wire Rope
Rope lengths shall be sufficient to maintain a minimum of two full wraps of
rope at the dead end(s) of the drum, with the block in its lowest indicated
position.
2.1.5
Hoist Chain
Chain hoists of 3 m 10 foot lift or more shall be equipped with a load
chain bucket.
2.1.6
Hoist Limit Switch
Hoists shall be equipped with upper and lower hoist limit switches/devices.
2.1.7
Control Pendant
Shall extend [_____] below the underside of the track beam.
2.1.8
Trolley
Shall have a [manual] [geared manual] [air motor powered] drive and shall
be designed to operate from [[_____] track beam section] [the track beam
section furnished under this contract]. Where two or more hoists are
located on the same monorail beam, the trolleys shall be equipped with
rubber bumper devices designed to prevent contact of any part or parts of
the hoists.
]2.2
MONORAIL TRACK BEAM SYSTEM
Shall conform to MMA MH27.1, for powered hoists. The maximum allowable
deflection shall not exceed 1/600 of the unsupported span, with the
hoist(s) at rated load(s) and at any location(s). The track beam system
shall have trolley stops at all open end locations. The stops shall be
designed to retain the hoist on the track. Wheel stops shall interface
with the trolley wheel treads on both sides of the track web simultaneously
and shall not interface with the trolley wheel flanges. The air supply
valve specified shall be of the quick shutoff type, readily accessible from
the floor, and located within proximity to the monorail system.
2.2.1
Color of Finished Equipment
**************************************************************************
NOTE: For corrosive atmospheres, specify
appropriate protective requirements.
**************************************************************************
Shall be the manufacturer's standard brilliant yellow.
2.2.2
Identification Plates
The manufacturer shall furnish and install identification plates of
noncorrosive metal. Information and data on the plates shall include, in
SECTION 14535N
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