Section 23(8) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(8)Every wash-basin, bath and shower shall be fitted within efficient and hygienic discharge system and in particular, the waste pipes shall be fitted in manner which will minimize the risk of obstruction and facilitate cleaning. Every shower space shall be provided with a handrail, a kerb and individual drainage. Every bath and shower space shall be provided with a grating or mat.
