StacksVerified U.S. regulatory reference

46 CFR §181.310

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)A vessel that has a power driven fire pump must have a sufficient number of fire hydrants to reach any part of the vessel using a single length of firehose.
  2. (b)Piping, valves, and fittings in a fire main system must comply with subpart G, part 182, of this chapter.
  3. (c)Each fire hydrant must have a valve installed to allow the firehose to be removed while the fire main is under pressure.
  4. (d)Spanner wrenches must be provided where a 40 millimeter (1.5 inch) diameter firehose is required by § 181.320(b). Existing vessels as of July 22, 2016 have 180 days to comply with this requirement.