Section 31(12) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(12)At least one single-tier bed shall be provided in a ward in every permanent hospital. The bed shall, if practicable, be so arranged as to be accessible from both sides and from the foot,. If any beds in the ward are arranged in double tiers, the upper tier shall be hinged or removable. Subject to the foregoing provisions of this sub-rule, the provision of sub-rules (2) to (9) (a) both inclusive and sub-rule (10) of rule 17 shall apply to hospital beds as they apply to beds in a sleeping room.
