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Protective Equipment and Practices 8302 04
Ramps Runways Platforms and ScaffoldsContinued Page
10-inch planks 12 inches 16 feet adequate approved type areas bearer blasting caps blasting machine boilers buildings or structures cables Carbon tetrachloride CHIEF OF ENGINEERS cleats combustible materials construction containers cross section cylinders device dimensions distance electric blasting caps employees equipment excavation exceed explosives extinguisher factor of safety firing line first-aid field stations flammable floating plant floor frames guardrails hazardous hoists holes horses inch in diameter inches infirmary inspected least length less located locking device longitudinal beams lumber magazines metal minimum dressed motorboats nailed needle beams open flames operations outriggers paint permitted persons placed Platform planks pole scaffolds pressure vessels prevent prohibited properly protected putlog ramps repairs rungs runways Salamanders SECTION 01—GENERAL securely fastened side rails space spliced storage stored strength substantially suitable tank tetra-ethyl lead timber toeboards trenches trestle ladders trucks type safety valves vehicle ventilated vertical welding width wire rope workmen