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42.3.3.2.5.1
Vent pipes that are provided for normal tank venting shall terminate outside the vault and at least 12 ft (3.6 m) above ground level and shall meet the requirements of 66.27.7.1. [30A:4.3.3.5.1]
42.3.3.2.5.2
Emergency vents shall be vaportight and shall be permitted to discharge inside the vault. Long-bolt manhole covers shall not be permitted for this purpose. [30A:4.3.3.5.2]
42.3.3.2.5.3
An approved means of overfill protection shall be provided for tanks. The use of ball float valves shall be prohibited. [30A:4.3.3.5.3]
42.3.3.2.5.4
Fill connections for vaults installed inside buildings shall comply with 66.22.13.4. [30A:4.3.3.5.4]

Related Code Sections

42.3.3.2.5 Refueling, Tank Appurtenances
Vent pipes that are provided for normal tank venting shall terminate outside the vault and at least 12 ft (3.6 m) above ground level and shall meet ...
42.3.3.3.5 Refueling, Tank Appurtenances
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66.25.3.2 Flammable and Combustible Liquids, Storage Tank Appurtenances
An approved means of overfill protection shall be provided for the tanks in the vaults. The use of ball float valves shall be prohibited. [30 ...
66.25.3.2 Flammable and Combustible Liquids, Storage Tank Appurtenances
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