[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: 46CFR174.220]

[Page 178]
 
                           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. 174.220  Hatches and coamings.

    (a) Each hatch exposed to the weather must be watertight, except 
that the following hatches may be only weathertight:
    (1) Each hatch on a watertight trunk that extends at least 430 
millimeters (17 inches) above the weather deck.
    (2) Each hatch in a cabin top.
    (b) Each hatch cover must--
    (1) Have securing-devices; and
    (2) Be attached to the hatch frame or coaming by hinges, captive 
chains, or other devices to prevent its loss.
    (c) Each hatch that provides access to quarters or to accommodation 
spaces for crew members or offshore workers must be capable of being 
opened and closed from either side.
    (d) Except as provided by paragraph (e) of this section, a 
weathertight door with a permanent watertight coaming at least 380 
millimeters (15 inches) high must be installed for each opening in a 
deckhouse or companionway that--
    (1) Gives access into the hull; and
    (2) Is in an exposed place.
    (e) If an opening in a deckhouse or companionway has a Class-1 
watertight door installed, the height of the watertight coaming need 
only accommodate the door.