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2A, 1C HOISTING LICENSE PREP EXAM
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2A, 1C HOISTING LICENSE PREP EXAM...
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2A, 1C HOISTING LICENSE PREP EXAMRigging - The answer Must fulfill OSHA regulations.
Must have a working load limit (WLL).
Rigging slings are rated and engineered.
Tagged or marked with a capacity.
Dead man's angle: ANSWER 30 degrees.
Riggers angle - Answer: 60 degrees.
4 Rigging Rules - ANSWER Know your weight.
Know your capacity.
Control the burden.
Maintain the load.
Choker Reduction - ANSWER Normal angle of choke = 135 degrees.
Less than 135 degrees, lower choker capacity.
Bridle hitches - Answer In 3 and 4-leg hitches, just two legs typically bear the
weight of the load.
Maneuvering skills (safe operation is required) - ANSWER Smooth begins.
Smooth stops.
Smooth turns.
, Feather controls
Use a horn to notify passersby.
Ensure the spotter is visible at all times.
Do not turn on the hill slope.
Trenching safety: ANSWER Backfill the whole.
Cover the complete, 3/4-inch road plate.
6' barrier with 4" opening.
Put the individual there.
The distance between a soil pile and the leading edge of an excavation is two feet.
The ladder must extend three feet over the top of an excavation.
Depth at which a trenching permission is necessary (Jackie Law) - Answer: 3 ft.
Maximum permitted bench height: 4 feet.
ANSWER 6 feet of fall protection is required adjacent to the ditch if the edge is not
visible.
How many inches must the trench box reach above the trench? ANSWER: 18
Minimum oxygen required in a trench - ANSWER: 19.5%
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