Section 9(2)(e) in The Merchant Shipping (Crew Accommodation) Rules, 1960
(e)Stem supply and exhaust pipes for steering gear, winches and similar equipment shall not pass through crew accommodation. Provided that, if in the case of nay ship of 500 tons or over the Central Government is satisfied that alternative arrangements are unreasonable or impracticable in the circumstances, it may permit such pipes if properly encased to pass through passageways forming part of the crew accommodation subject, in the case of supply pipes, to the following conditions :-(i)the pipes shall be constructed of solid drawn steel or other suitable material;(ii)the pips shall be of a scantling sufficient to withstand the maximum pressure form the ship's boiler system;(iii)all connections in the pipes shall be by faced flange properly joined;and(iv)the pipes shall be fitted with adequate drainage arrangements.