9 Heavy machinery that is suspended shall be: before working underneath it. 10 T

Question

9 Heavy machinery that is suspended shall be: before working underneath it. 10 The minimum clearance between any part of a crane or a load shall be the vicinity of a power line of 40 kV 11 The minimum clearance between a the vicinity of a power line of 75 kV ny part of a crane or a load shall be 12 The following pieces of structural steel are to be hoisted on a project: 2 pieces, 10 ft. long - W 14 X 60 If all five pieces 3 Pieces, 12 ft. long- W 12X 36 are lifted at the same time, what is the total weight of the pick? icles operating on a construction site shall have the foll signs are used only where an immediate hazard exist 14 signs are used only to warn against potential haza 15 actices traffic control, there are 4 distinct part

Explanation / Answer

9. Heavy machinery that is suspended shall be substantially blocked or cribbed to prevent falling or shifting before working underneath it.

10. For lines rated 50 kV and below, minimum clearance between the lines and any part of the crane or load shall be 10 feet.

11. 10 feet + 0.4 in (75 -50) = 10 ft 10 in

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