[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of January 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR34.20-15]

[Page 465-466]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 34_FIREFIGHTING EQUIPMENT--Table of Contents
 
                 Subpart 34.20_Deck Foam System, Details
 
Sec. 34.20-15  Piping--T/ALL.

    (a) All piping, valves, and fittings shall meet the applicable 
requirements of subchapter F (Marine Engineering) of this chapter.
    (b) All piping, valves, and fittings of ferrous materials shall be 
protected inside and outside against corrosion unless specifically 
approved otherwise by the Commandant.
    (c) The piping and outlet arrangement shall allow the required rate 
of applications as contained in Sec. 34.20-5(b), to any portion of the 
open deck of the cargo area through the use of the mounted and hand-held 
appliances that are provided. At least 50 percent of the required rate 
of application shall be from the mounted appliances. One or more hose 
outlets for hand-held appliances shall be provided at each foam station. 
For enclosed spaces, application of at least 1.6 gallons per minute 
water rate for each 10 square feet of the enclosed area for 5 minutes is 
acceptable. For the purpose of this paragraph, all piping is assumed to 
be damaged in way of the fire and an adequate number of valves shall be 
fitted to prevent loss of foam by closing valves to damaged piping.
    (d) All piping, valves, and fittings shall be securely supported, 
and where necessary, protected against injury.
    (e) Drains and dirt traps shall be fitted where necessary to prevent 
the accumulation of dirt or moisture.
    (f) Piping shall not be used for any other purpose than 
firefighting, drills, and testing.
    (g) Tankships of 100,000 or more DWT (metric) and combination 
carriers of 50,000 or more DWT (metric) that have a keel laying date on 
or after January 1, 1975, must have at least one foam station port and 
at least one foam station starboard that are separated from each other 
by a distance equal to at least one-half the beam of the vessel:

[[Page 466]]

    (1) At the housefront or aft of the cargo area in a location that is 
accessible to the crew for fighting a cargo and a pumproom fire; and
    (2) If the tankship has a forward accommodations house, at the after 
boundary of that house.

[CGFR 65-50, 30 FR 16694, Dec. 30, 1965, as amended by CGD 72-138, 39 FR 
7790, Feb. 28, 1974; CGD 74-127, 41 FR 3846, Jan. 26, 1976]