[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR155.815]

[Page 390]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 155--OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS FOR 
VESSELS--Table of Contents
 
    Subpart C--Transfer Personnel, Procedures, Equipment, and Records
 
Sec. 155.815  Tank vessel integrity.

    (a) Except as provided in paragraph (b) of this section, a tank 
vessel underway or at anchor must have all closure mechanisms on the 
following openings properly closed:
    (1) Expansion trunk hatches;
    (2) Ullage openings;
    (3) Sounding ports;
    (4) Tank cleaning openings; and
    (5) Any other tank vessel openings that maintain the seaworthy 
condition of the tank vessel and prevent the inadvertent release of oil 
or hazardous material in the event of a tank vessel accident.
    (b) No person may open any of the closure mechanisms in paragraph 
(a) of this section while the tank vessel is underway or at anchor 
except when authorized and supervised by a licensed officer or the 
tankerman required by 46 CFR 31.15-5(a).

[CGD 75-124, 45 FR 7175, Jan. 31, 1980, as amended by CGD 86-034, 55 FR 
36255, Sept. 4, 1990]