[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR174.195]

[Page 176]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 174--SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES--Table of Contents
 
     Subpart G--Special Rules Pertaining to Offshore Supply Vessels
 
Sec. 174.195  Bulkheads in machinery spaces.

    (a) The bulkhead in each machinery space of each OSV must be 
watertight to the bulkhead deck.
    (b) Each penetration of, and each opening in, a bulkhead in a 
machinery space must--
    (1) Be kept as high and as far inboard as practicable; and
    (2) Except as provided by Sec. 174.210 of this subpart and by 
paragraph (c) of this section, have means to make it watertight.
    (c) No penetration of a bulkhead in a machinery space by a 
ventilation duct need have means to make the bulkhead watertight if--
    (1) Every part of the duct is at least 760 millimeter (30 inches) 
from the side of the OSV; and
    (2) The duct is continuously watertight from the penetration to the 
main deck.
    (d) Each penetration of a bulkhead in a machinery space by piping 
must meet the design requirements for material and pressure in 
subchapter F of this chapter.