[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: 46CFR174.210]

[Page 177]
 
                           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. 174.210  Watertight doors in watertight bulkheads.

    (a) This section applies to each vessel with watertight doors in 
bulkheads made watertight in compliance with this chapter.
    (b) Except as provided by paragraph (c) of this section, each 
watertight door must comply with subpart H of part 170 of this chapter.
    (c) A Class-1 door may be installed at any place if--
    (1) The door has a quick-acting closing-device operative from both 
sides of the door;
    (2) The door is designed to withstand a head of water equivalent to 
the depth from the sill of the door to the bulkhead deck or 3 meters (10 
feet), whichever is greater; and
    (3) The vessel's pilothouse contains a visual indicator showing 
whether the door is open or closed.
    (d) Each watertight door must be marked in compliance with Sec. 
131.893 of this chapter.
    (e) If a Class-1 door is installed, the vessel's stability letter 
will require the master to ensure that the door is always closed except 
when being used for access.