TABLE 2:
TYPICAL CHAIN HOIST LIFT RANGES AND RATED
LIFTING SPEEDS
Rated Load
Hoist Lift
Hoist Lifting High
(metric tons)
Range (m)
Speed Range (mm/s)
_____________________________________________________________
1/8
3 to 6
80 to 320
1/4
3 to 6
80 to 320
1/2
3 to 6
35 to 320
1
3 to 6
35 to 300
1 1/2
3 to 6
35 to 300
2
3 to 6
20 to 200
3
3 to 6
20 to 200
4
3 to 6
20 to 125
5
3 to 6
20 to 125
TABLE 2:
TYPICAL CHAIN HOIST LIFT RANGES AND RATED
LIFTING SPEEDS
_____________________________________________________________
Rated Load
Hoist Lift
Hoist Lifting High
(tons)
Range (ft)
Speed Range (FPM)
_____________________________________________________________
1/8
10 to 20
16 to 64
1/4
10 to 20
16 to 64
1/2
10 to 20
7 to 64
1
10 to 20
7 to 60
1 1/2
10 to 20
7 to 60
2
10 to 20
4 to 40
3
10 to 20
4 to 40
4
10 to 20
4 to 24
5
10 to 20
4 to 24
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The hoist shall [have two operating speeds and shall] be capable of
hoisting and lowering the rated load at a [high] speed of [100 mm/s] [20
feet per minute (fpm)] [_____]. [The trolley shall [have two operating
speeds and shall] be capable of moving the rated load at a [high] speed of
[250] [500] [_____] mm/s [50] [100] [_____] fpm.] [Low speed(s) shall be
one quarter to one third of high speed(s).] Actual speed(s) shall be
within plus or minus 15 percent of those specified.
2.1.3
Material Limitations
shall be steel except for worm gears, which shall be bronze or steel. Cast
iron and aluminum used to support components of the hoist power
transmission train shall be ductile.
2.1.4
Safety
Comply with the mandatory and advisory safety requirements of ASME B30.11,
ASME B30.16, and 29 CFR 1910.179.
2.2
MONORAIL TRACK SYSTEM
MMA MH27.1. Track beams shall be patented track sections fabricated by a
manufacturer regularly engaged in production of this type of beam.
SECTION 14622N
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