C.F.R. » Title 46 » CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY › SUBCHAPTER I-A—MOBILE OFFSHORE DRILLING UNITS › PART 109—OPERATIONS › Subpart C—Operation and Stowage of Safety Equipment

46 C.F.R. § 109.333

Fire main cutoff valves

Read at: eCFRecfr.gov CornellLII GovInfogovinfo.gov CasesGoogle Scholar

The master or person in charge shall insure that each fire main cutoff valve is open and sealed to prevent closing, except that a cutoff valve may be closed to protect the portion of the fire main system on an exposed deck from freezing.