All exterior above-grade fill piping shall be removed when tanks are abandoned or removed. Tank abandonment and removal shall be in accordance with Section 5704.2.13 of the International Fire Code.
|MATERIAL||STANDARD (see Chapter 15)|
|Copper or copper-alloy pipe||ASTM B42; ASTM B43;|
|Copper or copper-alloy tubing|
(Type K, L or M)
|ASTM B75; ASTM B88; |
ASTM B280; ASME B16.51
|Labeled pipe||(See Section 1302.4)|
|Nonmetallic pipe||ASTM D2996|
|Steel pipe||ASTM A53; ASTM A106|
|Steel tubing||ASTM A254; ASTM A539|
Liquid fuel vent pipes shall terminate outside of buildings at a point not less than 2 feet (610 mm) measured vertically or horizontally from any building opening. Outer ends of vent pipes shall terminate in a weatherproof vent cap or fitting or be provided with a weatherproof hood. Vent caps shall have a minimum free open area equal to the cross-sectional area of the vent pipe and shall not employ screens finer than No. 4 mesh. Vent pipes shall terminate sufficiently above the ground to avoid being obstructed with snow or ice. Vent pipes from tanks containing heaters shall be extended to a location where oil vapors discharging from the vent will be readily diffused. If the static head with a vent pipe filled with oil exceeds 10 pounds per square inch (psi) (69 kPa), the tank shall be designed for the maximum static head that will be imposed.