Plastic fuel tanks have two layers; an inner tank and an outer tank, known as a bund. The bund acts as secondary containment, like a tank within a tank. In the event of a leak from the main tank, the outer layer will contain all the oil which would otherwise risk contaminating the local area.
Integrally-bunded fuel tanks are the most popular kind of secondary containment. The alternative involves constructing a bund from masonry or concrete which is inconvenient, costly and makes a time-consuming installation. All of our diesel tanks are integrally bunded.
All of our bunded plastic fuel tanks are fitted with submersible pumping units, consisting of a pump, flowmeter, a delivery hose and automatic shut-off nozzle, filtration and gauge. Larger capacities also come complete with bund and overfill devices, and a lockable security cabinet containing any relevant equipment.