Section 24.39.80.351 - RIGGING01.General. The determining factor in rigging-up shall be the amount of rated stump pull which a machine can deliver on each line.02.Equipment Classification.a. Equipment shall be classed according to the manufacturer's rating.b. Where lower gear ratios or other devices are installed to increase the power of equipment, the size of the rigging shall be increased proportionately so that it will safely withstand the increased strains to conform to Subsection 010.04 of these rules.03.Safe Loading. Rigging, and all parts thereof, shall be of a design and application to safely withstand all expected or potential loading to which it will be subjected.04.Allowable Loading or Stress. a. In no case shall the allowable loading or stress be imposed on one half (1/2) of the rated breaking strength of any parts of the rigging.b. This shall not be construed as applying to chokers.05.Chokers. Chokers shall be at least one eighth (1/8) inch smaller than the mainline.06.Placing, Condition, and Operation of Rigging. The placing, condition and operation of rigging shall be such as to ensure safety to those who will be working in the vicinity.07.Arrangement and Operation. Rigging shall be arranged and operated so that rigging or loads will not pound, rub, or saw against lines, straps, blocks, or other equipment.08.Line Hazards.a. Running lines and changed settings shall be made in a way to avoid bight of line hazards.b. Signals to operator shall be made before moving lines.09.Reefing. Reefing or similar practices to increase line pull shall be prohibited.10.Inspection of Rigging.a. A thorough inspection, by the operator or qualified person, of all blocks, straps, guylines, and other rigging shall be made before the rigging is placed in position for use and subsequently repeated every thirty (30) days for as long as the rigging is in position for use. Each rigging inspection shall be documented and kept onsite for review.b. This inspection shall include an examination for damaged, cracked or worn parts, loose nuts and bolts, lubrication, condition of straps and guylines.c. The repairs or replacements necessary for safe operation shall be made before rigging is used.Idaho Admin. Code r. 24.39.80.351