Section 10 in The Merchant Shipping (Cargo Ship Construction And Survey) Rules, 1974
10. Electric and electrohydraulic steering gear.
(1)In every ship, which is fitted with electric or electrohydraulic steering gear, indicators shall be provided which will show when the power units of such steering gear are running. These indicators shall be situated in the machinery control room or in such other position or positions as the Central Government may approve and on the navigating bridge.(2)In every ship of 5000 tons gross or over the following provision shall be made, namely :-(a)electric and electrohydraulic steering gear shall be served by two circuits fed from the main switch board one of which may pass through the emergency switch board, if an emergency switch board is provided on the ship. Each circuit shall have adequate capacity for supplying all the motors which are normally connected to it and which operate simultaneously, and if transfer arrangements are provided in the steering gear room to permit either circuit to supply any motor or combination of motors, the capacity of each circuit shall be adequate for the most severe load condition. The circuits shall be separated as widely as is practicable throughout their length;(h)short circuit protection only shall be provided for such circuits and motors.(3)Every ship under 5000 tons gross, in which electric power is the sole source of power for both main and auxiliary steering gear, shall comply with the requirements of sub-rule (2) except that if the auxiliary steering gear is powered by a motor primarily intended for other services, suitable overload protection maybe fitted.
