Code of Maine Rules
02 - DEPARTMENT OF PROFESSIONAL AND FINANCIAL REGULATION
658 - MAINE FUEL BOARD
Chapter 8 - INSTALLATION OF OIL BURNING EQUIPMENT
Section 658-8-9 - Oil Supply Tanks
Current through 2024-13, March 27, 2024
8.9.1 Inside Tank Fabrication
Rectangular built-in place tanks shall be fabricated using one-quarter (1/4) inch minimum thick steel sheets reinforced on maximum 24-inch centers. Tank bottoms must be supported on 12-inch-wide non-combustible piers, to a height of 8 inches above the floor. All welding must be performed by a welder. Tanks must be designed by a registered engineer who shall observe the tank under 5 PSI test and certify to it being tight under this test.
8.9.2 Manholes
8.9.3 Separation from Other Appliances
All fuel oil supply tanks must be a minimum of five (5) feet from any gas and/or solid fuel burning appliance.
8.9.4 Tank Requirements Upon Conversion to an Alternative Fuel
If an oil burning appliance is converted to an alternative fuel, but the tank is left in place so that it can be returned to service at some future date, all of the following requirements must be met before the alternative fuel is used:
Oil can remain in the tank unless prohibited by the local Authority Having Jurisdiction or the Maine Department of Environment Protection.
8.9.5 Fuel Supply Systems That Are Permanently Taken Out of Service
If a fuel supply tank is permanently removed from service for whatever reason, the tank and all piping connected to it, including the outside fill and vent piping and any supply piping connected to the appliance, shall be: