(a) You must perform an assessment of the structure, when needed, based on the platform assessment initiators listed in sections 17.2.1-17.2.5 of API RP 2A-WSD (incorporated by reference, see § 285.115).

(b) You must initiate mitigation actions for structures that do not pass the assessment process of API RP 2A-WSD.

(c) You may comply with a later edition of API RP 2A-WSD only if:

(1) You show that complying with the later edition provides a degree of protection, safety, or performance equal to or better than what would be achieved by compliance with the listed edition; and

(2) You obtain the prior written approval for alternative compliance from the authorized BSEE official.

(d) You must perform other assessments as required by BSEE.