Diesel Fuel: 4-25

4-25 What is the capacity and structure of the retaining dike around the fuel tanks?

The fuel oil storage secondary containment berm (dike) will be designed and installed in accordance with National Fire Protection Agency (“NFPA”) 30 ( through and local environmental regulations.  It will be sized to hold the full volume of one storage tank (1,000,000 gallons). 

The structure of the containment berm will consist of compacted engineered fill placed at a slope not steeper than 2:1 and sized to exceed the volume of the tank inside the berm as required by code.   The berm and containment area will be covered with an impermeable synthetic liner.