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PDFWAC 296-304-16017

Marking and posting of safe working loads.

(1) The safe working load of the assembled gear and the minimum angle to the horizontal at which this load may be applied must be plainly marked at the heels of all booms along with the date of the test. Where gear is certificated for use in union purchase, the union purchase safe working load must also be plainly marked. Any limitations must be noted in the vessel's papers.
(2) The safe working load must be marked on all blocks used in hoisting or lowering.
(3) When the capacity of the boom of a crane or derrick has been or will be rated in accordance with the variance of its radius, the maximum safe working loads for the various working angles of the boom and the maximum and minimum radius at which the boom may be safely used, must be conspicuously posted near the controls and visible to the crane operator. Ratings may be stated in pounds. When they are stated in tons of 2,000 pounds, this fact must be indicated.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-304-16017, filed 9/5/17, effective 10/6/17; Order 74-25, § 296-304-16017, filed 5/7/74.]
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