[Code of Federal Regulations]

[Title 46, Volume 4]

[Revised as of October 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 46CFR108.437]



[Page 135]

 

                            TITLE 46_SHIPPING



                  (This book contains parts 90 to 139)

 

   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)

 

PART 108_DESIGN AND EQUIPMENT--Table of Contents

 

                  Subpart D_Fire Extinguishing Systems

 

Sec.  108.437  Pipe sizes and discharge rates for enclosed ventilation 

systems for rotating electrical equipment.



    (a) The minimum pipe size for the initial charge must meet table 

108.441 and the discharge of the required amount of CO2 must 

be completed within 2 minutes.

    (b) The minimum pipe size for the delayed discharge must be at least 

1.25 centimeters (\1/2\ inch) standard pipe.

    (c) The pipe used for the initial discharge must not be used for the 

delayed discharge, except systems having a volume of less than 57 cubic 

meters (2,000 cubic feet).