Overboard valve regulation

1. Should not be of cast iron
2. Must be Class approved
3. Fitted at easily accessible location as far as practicable readily visible
4. Indicators are to provided local to the valve ie ,showing whether they are open or shut
5. Valve spindle are to extend above the lower platform.
6. Valves and distance pieces extended for the installation on the ship side below the load water line are to be tested by hydraulic pressure not less than 5 bar.