Section 19(i) in The Merchant Shipping (Fire Appliances) Rules, 1969
(i)the number of fire hoses (excluding those required in any engine room or boiler room) to be provided, (each such hose complete with couplings and nozzles) shall be one for each 30 metres length of the ship together with one spare for the ship but shall in no case be less than 5 in all:
