Fuel tanks are sized according to engine power output. It is sufficiently sized to run the engine for 6 hours minimum plus a safety factor.
The fuel tanks are mounted on a fuel tank stand so that they are higher than the engine fuel transfer pump.
They compose of powder coated welded steel and leak tested prior to installation.
Where there are two diesel engine driven pumps they shall have separate fuel tanks and fuel feed pipes.
sufficient fuel to run the engine on full load for 6 hours in addition to that in the engine fuel tank must be kept on hand at all times.
An electric fuel pump forms part of the assembly along with an indicator showing the level of the fuel in the tank.