Okla. Admin. Code § 165:25-2-55.2

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

Section 165:25-2-55.2 - Vent piping requirements

(a) Where vent pipes installed prior to July, 2003, from tanks storing gasoline are adjacent to buildings or public ways, they must be located not less than twelve feet (12') (3.6 meters) above the adjacent ground level or three feet (3') above the roof line at the highest point of attachment. Newly installed vent pipes must be five feet (5') above the roof or canopy. All vent pipes buried below ground must be a minimum of eighteen inches (18").

(b) In order to aid in dispersion, vapors must be discharged upward. Vent outlets must be located so that flammable vapors will not accumulate to an unsafe location or trapped under eaves and shall be at least five feet (5') (1.5 meters) from building openings and fifteen feet (15') (4.5 meters from powered ventilation air intake devices).

(c) All new or replacement underground vent piping must be non-metallic. Aboveground vent risers must be steel pipe.

(d) Vent risers must be located or protected and anchored, to prevent damage from traffic, wind, or testing procedures.

Okla. Admin. Code § 165:25-2-55.2

Added at 25 Ok Reg 1867, eff 7-1-08

Amended by Oklahoma Register, Volume 32, Issue 23, August 17, 2015, eff. 8/27/2015

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

Amended by Oklahoma Register, Volume 37, Issue 24, September 1, 2020, eff. 10/1/2020