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(a) Positive communications shall be maintained at all times between the tree pulling machine and the faller while tree pulling. Citizens band radios are not considered positive communications.
(b) An audible signal shall be blown when the initial pull is made on the tree and the line is tightened.
(c) A choker, choker bell, or a line with a sleeve shackle shall be used as the means of attachment around the tree when tree pulling. The bight on the line shall be only that necessary to hold the choker or line around the tree.
(d) The tree pulling machine shall be equipped with a torque converter, fluid coupler, or an equivalent device to insure a steady, even pull on the line attached around the tree.
(e) The tree pulling line shall have as straight and direct path from the machine to the tree as possible. Physical obstructions, which prevent a steady even pull on the tree pulling line, shall be removed or the line shall be rerouted.
(f) The use of siwashing, in lieu of using a block and strap, for the purpose of changing the tree pulling lead, is prohibited.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.