Section 23(6) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(6)Every bath shall be at least 1.35 metres in internal length unless it is combined with a shower. Every bath shall be made of vitreous enamelled iron, or other material having a smooth and impervious surface not likely to crack, flake or become corroded. The floor area of every shower space shall be at least 0.58 sq. metres and each side of the space shall be at least 76.20 centimetres long.
