33 CFR § 157.430 - Enhanced survey requirements.
Beginning at each tank vessel's next regularly scheduled drydock examination and continuing as required under 46 CFR part 31, or, for each foreign flagged tank vessel, beginning at the next drydock and continuing as required under the foreign vessel's flag administration, a tank vessel owner or operator shall -
(a) Implement an enhanced survey program that complies with the standards of IMO Resolution A.744(18), Annex B sections 1.1.3-1.1.4, 1.2-1.3, 2.1, 2.3-2.6, 3-8, and Annexes 1-10 with appendices;
(b) Implement a vessel specific survey program that provides a level of protection equivalent to the requirements in paragraph (a)(1) of this section and is approved by the Commandant (CG-CVC). A written request for program equivalency under this paragraph must be submitted to the Commandant (CG-CVC); or
(1) Includes oversight of the program by the Coast Guard, the vessel's flag administration, an authorized classification society as described in § 157.04 of this part, or a licensed professional engineer;
(2) Has the frequency of survey which is no less than the inspections required by 46 CFR subpart 31.10;
(3) Has survey scope and recordkeeping requirements that are comparable to the requirements of paragraph (a)(1) of this section; and
(4) Includes keeping a copy of the most recent survey on board the vessel or, upon request by the Coast Guard, making the surveys available within 24 hours for examination.
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