1. Nearly 45% of crane accidents are the result of the boom or crane making cont

Question

1. Nearly 45% of crane accidents are the result of the boom or crane making contact with ____________.

2. ______________________ is responsible for inspecting all machinery and equipment of crane prior to each use and during use, to make sure it is in safe operating condition?

3. For lines rated__50____ kV. or below, minimum clearance between the lines and any part of the crane or load shall be____10______ feet.

4. The procedures applicable to the operation of the equipment, including ___________________,________________,______________________,_______________________,and __________________________must be readily available in the cab at all times for use by the operator.

Standard: 1926.1417(c) (1)

5. List 4 major causes of crane accidents:

Explanation / Answer

1) Major causes of crane accidents include boom or crane contact with energized power lines (nearly 45% of the cases).

2) Key Engineering Controls and Work Practices Ensure that a competent person inspects all machinery and equipment before and during each use, to confirm that it is in a safe operating condition.

3) For lines rated over 50 kV, minimum clearance between the lines and any part of the crane or load shall be either 10 feet (3.05 m) plus 0.4 inch (10.16 mm) for each 1 kV over 50 kV, or twice the length of the line insulator, but never less than 10 feet

4) The procedures applicable to the operation of the equipment, including rated capacities (load charts), recommended operating speeds, special hazard warnings, instructions, and operator's manual, must be readily available in the cab at all times for use by the operator.

5) Four major causes of crane accidents include:

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