Idaho Admin. Code r. 24.39.80.351 - RIGGING
01.
General. The determining
factor in rigging-up shall be the amount of rated stump pull which a machine
can deliver on each line. (3-31-22)
02.
Equipment Classification.
(3-31-22)
a. Equipment shall be classed
according to the manufacturer's rating. (3-31-22)
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.
(3-31-22)
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. (3-31-22)
04.
Allowable Loading or Stress. (3-31-22)
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. (3-31-22)
b. This
shall not be construed as applying to chokers. (3-31-22)
05.
Chokers. Chokers shall be at
least one eighth (1/8) inch smaller than the mainline. (3-31-22)
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.
(3-31-22)
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. (3-31-22)
08.
Line
Hazards. (3-31-22)
a. Running lines and
changed settings shall be made in a way to avoid bight of line hazards.
(3-31-22)
b. Signals to operator
shall be made before moving lines. (3-31-22)
09.
Reefing. Reefing or similar
practices to increase line pull shall be prohibited. (3-31-22)
10.
Inspection of Rigging.
(3-31-22)
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. (3-31-22)
b. This
inspection shall include an examination for damaged, cracked or worn parts,
loose nuts and bolts, lubrication, condition of straps and guylines.
(3-31-22)
c. The repairs or
replacements necessary for safe operation shall be made before rigging is used.
(3-31-22)
Notes
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No prior version found.