[Code of Federal Regulations]
[Title 33, Volume 2]
[Revised as of July 1, 2005]
From the U.S. Government Printing Office via GPO Access
[CITE: 33CFR155.430]

[Page 399-400]
 
                TITLE 33--NAVIGATION AND NAVIGABLE WATERS
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 155_OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS 
FOR VESSELS--Table of Contents
 
                       Subpart B_Vessel Equipment
 
Sec. 155.430  Standard discharge connections for oceangoing ships of 
400 gross tons and above.

    (a) All oceangoing ships of 400 gross tons and above must have a 
standard shore connection for reception facilities to discharge oily 
mixtures from machinery space bilges or ballast water containing an oily 
mixture from fuel oil tanks. The discharge connection must have the 
following dimensions:
    (1) Outside diameter=215 millimeters (mm).
    (2) Inner diameter=according to pipe outside diameter.
    (3) Bolt circle diameter=183 mm.
    (4) Slots in flange=6 holes 22 mm in diameter equidistantly placed 
on a bolt circle of the above diameter, slotted to the flange periphery. 
The slot width to be 22 mm.
    (5) Flange thickness=20 mm.
    (6) Bolts and nuts, quantity and number=6 each of 20 mm in diameter 
and of suitable length.
    (b) A portable adapter that meets the specifications of paragraph 
(a) of this section and that fits the discharge

[[Page 400]]

shore connection, for the discharge of oily wastes from machinery space 
bilges may be substituted for the standard discharge connection 
requirement of paragraph (a) of this section.
    (c) The flange must be designed to accept pipes up to a maximum 
internal diameter of 125 mm and shall be of steel or other equivalent 
material having a flat face. This flange, together with a gasket of 
oilproof material, must be suitable for a service pressure of 6 
kilograms/square centimeters (kg/cm\2\).

[CGD 75-124a, 48 FR 45715, Oct. 6, 1983, as amended by USCG-2000-7641, 
66 FR 55572, Nov. 2, 2001]