[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: 46CFR108.477] [Page 139] 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. 108.477 Fire hydrants. (a) If a fixed foam extinguishing system has outlets in a main machinery space, at least 2 fire hydrants, in addition to the fire hydrants required by Sec. 108.423 of this subpart, must be installed outside the entrances to the space with each at a separate entrance. (b) Each hydrant must have enough hose to spray any part of the space. (c) Each hydrant must have a combination nozzle and applicator. Fire Protection for Helicopter Facilities