Okla. Admin. Code § 165:26-2-55

Current through Vol. 42, No. 7, December 16, 2024

Section 165:26-2-55 - Underground piping materials

(a) All new underground product piping and ancillary equipment installed at a new facility or existing facility must have the following characteristics:

(1) Non-metallic;

(2) Double-walled;

(3) A tracer locator wire must be installed in all piping trenches; and

(4) Dispenser sumps must be installed and monitored with sensors as per OAC 165:26-3-20.2.

(5) Piping transition sumps must be installed and monitored with sensors if the interstice area of connecting piping cannot be connected in an approved manner.

(b) Existing facilities that are replacing the lesser of twenty feet (20') or fifty percent (50%) of underground piping must upgrade pursuant to (a) of this Section. If a metallic line fails due to structural failure or corrosion, all metallic product lines at the facility must be removed, and cannot be repaired.

(c) Existing facilities that are making any alteration to a fuel island when concrete removal is required must install dispenser sumps and monitor as pursuant to OAC 165:25-3-6.29. Repairs to the island that in no way change the island from its original design is not considered making alterations.

(d) Existing facilities that are installing new dispensers must install under dispenser containment (UDC) sumps and monitor as pursuant to OAC 165:25-3-6.29. Dispensers will be considered new when both the dispenser and equipment needed to connect the dispenser to an AST system is installed. Check valves, shear valves, unburied risers or flexible connectors and other transitional components are considered equipment that connects a dispenser to an AST system.

(e) Tracer locator wire is not required to be installed in existing piping trenches containing piping which otherwise meets the requirements in subsection (a) unless the trench is opened to repair, move, or replace the piping.

(f) Existing facilities that are replacing aboveground storage tanks must replace all single walled piping per (a) of this section.

Okla. Admin. Code § 165:26-2-55

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 by Oklahoma Register, Volume 31, Issue 24, September 2, 2014, eff. 9/12/2014

Amended by Oklahoma Register, Volume 35, Issue 24, September 4, 2018, eff. 10/1/2018

Amended by Oklahoma Register, Volume 36, Issue 21, July 15, 2019, eff. 8/1/2019

Amended by Oklahoma Register, Volume 41, Issue 23, August 15, 2024, eff. 10/1/2024