WAC 296-54-54760   Rigging -- Hanging blocks.  (1) All logging systems must use enough corner or tail blocks to distribute the stress on anchors and attachments.

     (2) Blocks (other than passline or haywire) must be hung by one of the following methods:

     (a) Hanging the block in both eyes or Ds of the straps (threaded straps are prohibited); or

     (b) If chokers are used, the ferrule must be properly seated in the socket of the bell or hook to prevent the ferrule from coming unbuttoned. The chokers must be the size required in WAC 296-54-54740(1); or

     (c) If single part straps are used, the straps must be secured with a shackle and be the size required in WAC 296-54-54740(1).

     (3) The yoke pin of haulback blocks shall be inserted with the head facing the direction from which the rigging approaches.

     (4) When there is danger of tail block straps slipping up or off the stump or tree, the stump or tree must be adequately notched or the line properly wrapped and secured. When the tail tree or stump is not secure, it must be tied back.



[Statutory Authority: RCW 49.17.010, [49.17].040 and[49.17].050 . 99-17-117, § 296-54-54760, filed 8/18/99, effective 12/1/99.]