[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR143.110]

[Page 147]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
    CHAPTER I--COAST GUARD, DEPARTMENT OF TRANSPORTATION (CONTINUED)
 
PART 143--DESIGN AND EQUIPMENT--Table of Contents
 
                        Subpart B--OCS Facilities
 
Sec. 143.110  Guards and rails.

    (a) Except for helicopter landing decks which are provided for in 
paragraph (b) of this section, and areas not normally occupied, the 
unprotected perimeter of all floor or deck areas and openings shall be 
rimmed with guards and rails or wire mesh fence. The guard rail or fence 
shall be at least 42 inches high. The two intermediate rails shall be so 
placed that the rails are approximately evenly spaced between the guard 
rail and the floor or deck area: Provided, That if a toe board is 
installed then one of the intermediate rails may be omitted and the 
other rail placed approximately half way between the top of the toe 
board and the top guard rail.
    (b) The unprotected perimeter of the helicopter landing deck shall 
be protected with a device of sufficient strength and size as to prevent 
any person from falling from such deck.
    (c) Each catwalk and each stairway shall be provided with a suitable 
guard rail or rails, as necessary.