OHS Code

Published Date: July 01, 2009
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Part 37 Oil and Gas Wells

Section 753 Operating load of derrick or mast

(1) An employer must ensure that the maximum safe operating load of a derrick or mast

(a) is specified in the manufacturer’s specifications or specifications certified by a professional engineer,

(b) is prominently displayed on the derrick or mast, and

(c) is not exceeded.

(2) If a structural modification or repair is made to a derrick or mast, an employer must ensure that

(a) the structural modification or repair is certified by a professional engineer,

(b) the maximum safe operating load of the derrick or mast is determined and certified by a professional engineer, and

(c) the load marking on the derrick or mast is replaced if the maximum safe operating load is changed.