- (a) The design, fabrication, assembly, test and inspection of the piping system from the fuel tank to the fuel dispensers must be in accordance with the piping manufacturers installation recommendations and instructions.
- (b) Pipes, valves, couplings, flexible connectors, fittings and other pressure containing parts must be installed in accordance with Petroleum Equipment Institute RP200, Recommended Practices for Installation of Aboveground Storage Systems for Motor Vehicle Fueling.
- (c) Refer to Subchapter 8 for guidelines regarding over-water piping used at marinas.
- (d) Valves at storage tanks and their connections to the tank must be of steel or nodular iron. Low melting point materials such as aluminum, copper, brass or non-ductile material such as cast iron may be used in aboveground piping provided that they are located downstream of an approved steel or nodular iron emergency valve that has been installed and located as close as practical to the shell of the tank or submerged pump.
- (e) Valves at storage tanks may be other than steel or nodular iron if the valves are installed internal to the tank.
Added at 21 Ok Reg 2079, eff 7-1-04
Amended at 22 Ok Reg 1752, eff 7-1-05
Amended at 23 Ok Reg 144, eff 10-6-05 (emergency)
Amended at 23 Ok Reg 2297, eff 7-1-06
Amended at 25 Ok Reg 2187, eff 7-11-08