(1) Pursuant to WAC 296-304-18003, any derrick or associated permanent fitting which is deformed in service between surveys must be subjected to proof test to determine its suitability for continued service. If a proof test indicates that the derrick or associated permanent fitting may be continued in service without repair, a note of the existing deformity shall be made on the test certificate. When, in the opinion of the accredited person, it is unsafe to conduct a proof test with an existing deformity, the derrick or associated permanent fitting must be replaced or repaired and then subjected to proof test in accordance with WAC 296-304-170 through 296-304-17023.

(2) Any loose gear components which are injured or deformed by a proof load must be replaced before a certificate is issued.

(3) Any derrick, other fixed installation, or associated permanent fitting, which is injured or deformed by a proof load must be replaced or repaired and another proof load test must be conducted without damage before a certificate is issued.