What is the relationship between Proof Load and SWL?

06 Sep '18, 14:44

Sept. 6, 2018, 2:44 p.m.
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Answer:

Proof Load = 1.25 x SWL
For example, 16T SWL derrick should be tested by 20T Proof Load.

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06 Sep '18, 14:47

Sept. 6, 2018, 2:47 p.m.
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