[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR171.113]

[Page 140]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 171_SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS--Table 
of Contents
 
       Subpart E_Penetrations and Openings in Watertight Bulkheads
 
Sec. 171.113  Trunks.

    (a) For the purpose of this section, ``trunk'' means a large 
enclosed passageway through any deck or bulkhead of a vessel.
    (b) Each trunk, other than those specified in paragraph (c) of this 
section, must have a watertight door at each end except that a trunk may 
have a watertight door at one end if--
    (1) The trunk does not pass through more than one main compartment;
    (2) The sides of the trunk are not nearer to the shell than is 
permitted by Sec. 171.067(c) for the sides of a recess in a bulkhead; 
and
    (3) The vessel complies with the subdivision requirements in this 
part when the volume of the trunk is included with the volume of the 
compartment into which it opens.
    (c) Each trunk that provides access from a crew accommodation space 
and that passes through a main transverse watertight bulkhead must 
comply with the following:
    (1) The trunk must be watertight.
    (2) The trunk, if used for passage at sea, must have at least one 
end above the margin line and access to the other end of the trunk must 
be through a watertight door.
    (3) The trunk must not pass through the first main transverse 
watertight bulkhead aft of the collision bulkhead.