[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: 33CFR149.206]

[Page 204-205]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 149--DESIGN, CONSTRUCTION, AND EQUIPMENT--Table of Contents
 
                Subpart B--Design and Equipment; General
 
Sec. 149.206  Construction.

    (a) The following walls or decks on a platform must meet the 
requirements in 46 CFR 92.07-5(b) for ``A'' class bulkheads, except that 
each wall or deck must be made of steel:
    (1) Each wall or deck that separates a galley, a paint and lamp 
locker, a space housing emergency power generating equipment, or a 
machinery space from any other space.
    (2) Each wall or deck of an interior stairway connecting enclosed 
spaces on three or more decks.
    (3) Each wall or deck of an elevator shaft, of a dumbwaiter shaft, 
and of any other shaft connecting two or more enclosed spaces.
    (b) The following walls or decks on a platform must meet the 
requirements in 46 CFR 92.07-5 (b) or (c) for ``A'' or ``B'' class 
bulkheads:
    (1) Each corridor wall or deck of a personal accommodation space.
    (2) Each wall or deck of a stairway that connects two decks or each 
wall or deck of a structure enclosing an opening to the stairway.
    (c) A platform wall or deck that is not described in paragraph (a) 
or (b) of this section must meet the requirements in 46 CFR 92.07-5 (b), 
(c), or (d) for ``A'', ``B'', or ``C'' class bulkheads.
    (d) Each deck and stairway on a platform must be made of steel and 
may have a deck covering.

[[Page 205]]

    (e) A space that is described in paragraphs (a)(2) or (a)(3) of this 
section must be enclosed by walls and decks.
    (f) Each interior stairway that connects two enclosed spaces on a 
platform must be enclosed by walls and decks or an opening to the 
stairway must be enclosed by a structure.
    (g) Each interior stairway that connects three or more decks on a 
platform must have access to each deck.
    (h) Each opening in a wall or deck on a platform must have a closure 
that meets the requirements in this section for the wall or deck. Each 
door must:
    (1) Be a self-closing type;
    (2) Not have holdback hooks or other means of permanently holding 
the door open, except for magnetic holdbacks operated from a suitable 
remote control position; and
    (3) Not have a louver or other opening, except that a door to a 
sleeping space may have a louver in the lower half of the door.
    (i) Internal deck coverings, except those in washrooms and toilet 
spaces, must be of a type approved under 46 CFR Subpart 164.006. 
Overlays for leveling or finishing purposes which do not meet the 
requirements in 46 CFR Subpart 164.006 may be used in thicknesses not 
exceeding \3/8\ of an inch.
    (j) Each ceiling, sheathing, furring, and insulation on a platform, 
must be a noncombustible material of a type that is approved under 46 
CFR 164.009.
    (k) The interior finish on each wall and ceiling in a corridor or 
hidden space on a platform must be a type that is approved under 46 CFR 
164.012. Walls within a room may have a combustible veneer not to exceed 
\2/28\ inches in thickness.
    (l) Nitrocellulose or other highly flammable or noxious fume-
producing paints or lacquers may not be used.