Section 4 Ship-side Valves and Overboard Discharges

401. Scupper, inlets and discharges

1. In application to 401, 10 of the Rules, for a ship not engaging on international voyages, main and auxiliary sea inlets and discharges in connection with the operation of machinery in unmanned spaces may be controlled locally. In this case, such controls are to be readily accessible and are to be provided with indicators showing whether the valves are open or closed.