Plain Text Law

Regulation .06 Piping Installation.

Regulation .06 Piping Installation.Copy Citation

A.
An owner and an operator of a UST system shall comply with the installation requirements of this regulation.
B.
Install piping in accordance with the requirements of this regulation.
C.
Place underground piping on a 6-inch bedding of appropriate backfill material as described in Regulation .04 of this chapter.
D.
Maintain the following clearances when installing piping:
(1)
Twice the nominal diameter of the pipe but at least 4 inches between all piping;
(2)
At least 6 inches between piping and electrical conduits related to the UST system;
(3)
At least 6 inches between piping and excavation zone sidewalls; and
(4)
At least 18 inches between piping and the surface of the ground.
E.
Unless otherwise approved by the Department, ensure piping rises 1/8 of an inch for each lateral foot from the UST to the piping endpoint.
F.
Follow the manufacturer specifications and installation requirements when installing piping.
G.
In accordance with manufacturer specifications, use a UL listed flexible connector to connect piping as follows:
(1)
Except for a direct fill line, to connect a pipe carrying a regulated substance to a UST at the end of a piping run; and
(2)
To connect a pipe carrying a regulated substance to a dispenser system.
H.
Unless otherwise approved by the Department, an owner and an operator of a UST system may not use a flexible connector to connect piping carrying petroleum vapor or a regulated substance at any other point in the piping system not listed in §G of this regulation.
I.
Place a UL listed shear valve on pressurized product piping dispensing motor fuel, and properly anchor the shear valve at the dispenser.
J.
Install appurtenances such as water or air piping in a separate piping trench;
K.
Ensure vent lines above the ground surface are:
(1)
Constructed with at least schedule 40 steel;
(2)
Protected from traffic;
(3)
Properly anchored; and
(4)
Protected from weather and debris.
L.
Ensure the vents of a UST system storing a flammable or combustible liquid meet the following conditions:
(1)
If the UST system stores a flammable liquid, the vents terminate 12 feet above the ground surface and 2 feet above an attached building; and
(2)
If the UST system stores a combustible liquid, the vents terminate at least 3 feet above the ground surface.