[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR182.470]

[Page 281]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 182--MACHINERY INSTALLATION--Table of Contents
 
               Subpart D--Specific Machinery Requirements
 
Sec. 182.470  Ventilation of spaces containing diesel fuel tanks.

    (a) Unless provided with ventilation that complies with 
Sec. 182.465, a space containing a diesel fuel tank and no machinery 
must meet the requirements of this section.
    (1) A space of 14 cubic meters (500 cubic feet) or more in volume 
must have a gooseneck vent of not less than 65 millimeters (2.5 inches) 
in diameter.
    (2) A space of less than 14 cubic meters (500 cubic feet) in volume 
must have a gooseneck vent of not less than 40 millimeters (1.5 inches) 
in diameter.
    (b) Vent openings may not be located adjacent to possible sources of 
vapor ignition.
    (c) A vessel of not more than 19.8 meters (65 feet) in length 
carrying not more than 12 passengers, with ventilation installations in 
accordance with ABYC Project H-32, ``Ventilation of Boats Using Diesel 
Fuel,'' will be considered as meeting the requirements of this section.