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CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER L—OFFSHORE SUPPLY VESSELS (parts 125 to 135) > PART 131—OPERATIONS > SUBPART H—Markings for Fire Equipment and Emergency Equipment (§131.800 to §131.899) > 131.820—Branch lines of fire-extinguishing system.
131.820—Branch lines of fire-extinguishing system.
The valves of each branch line in the fire extinguishing system must be plainly and permanently marked, indicating the spaces served.