(a) Any requirement in this part may be waived on a case by case basis if it is determined by Commandant (CG-ENG) that the requirement is impracticable under the circumstances and that an acceptable level of safety can be maintained.

(b) Requests for issuance of a waiver must be in writing and contain a detailed explanation of—

(1) Why the requirement is impracticable; and

(2) What measures will be taken to maintain an acceptable or equivalent level of safety.