Section 9(2)(m) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(m)There shall be no direct opening between the crew accommodation (other than recreation deck spaces) and spaces used as :-(i)permanent coal bunkers;(ii)oil fuel bunkers;(iii)cargo or machinery spaces;(iv)lamp rooms or paint rooms;(v)store rooms not forming part of the crew accommodation (other than store rooms or engine room or deck department stores);(vi)chain lockers;or(vii)Cofferdams Provided that there may be a direct opening between machinery spaces and sanitary accommodation and changing room provided for the sole use of offices and ratings of the engine room department.