46 C.F.R. § 109.331 Firehoses and hydrants.
Title 46 - Shipping
The master or person in charge shall insure that— (a) At least one length of firehose with a combination nozzle is connected to each fire hydrant required by this subchapter, at all times, except that during heavy weather a firehose in an exposed location may be temporarily removed from the fire hydrant and stowed in an accessible, nearby location; (b) A fire hose required by this subchapter is not used for any purpose other than firefighting, fire drills, and testing; (c) Access to each fire hydrant is not blocked; (d) Each firehose, except a firehose temporarily removed from an exposed location, is stowed on a rack or reel required by this subchapter; and (e) Each low velocity spray applicator for a fire hose nozzle is attached to the nozzle or stowed next to the fire hydrant to which the fire hose is attached.
Title 46: Shipping
PART 109—OPERATIONS
Subpart C—Operation and Stowage of Safety Equipment
§ 109.331 Firehoses and hydrants.

