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Section 5703.6, Piping Systems, shall be amended to read as follows: <br />"5703.6 Piping Systems. Piping systems, and their component parts, <br />for flammable and combustible liquids shall be in accordance with Sections <br />5703.6.1 through 5703.6.11. An approved method of secondary containment <br />shall be provided for underground tank and piping systems." <br />Section 5704.2.9.5, Above - ground tanks inside of buildings, shall be amended <br />to read as follows: <br />"5704.2.9.5 Above - ground Tanks Inside of Buildings. Above- <br />ground tanks inside of buildings shall comply with Section 5704.2.9.5.1 <br />through 5704.2.9.5.3. <br />"5704.2.9.5.1 Overfill prevention. Above - ground tanks <br />storing Class I, II and IIIA liquids inside buildings shall be equipped <br />with a device or other means to prevent overflow into the building <br />including, but not limited to: a float valve; a preset meter on the fill <br />line; a valve actuated by the weight of the tank's contents; a low -head <br />pump that is incapable of producing overflow; or a liquid -tight <br />overflow pipe not less than one pipe size larger than the fill pipe and <br />discharging by gravity back to the outside source of liquid or to an <br />approved location. Tanks containing Class IIIB liquids and connected <br />to fuel - burning equipment shall be provided with a means to prevent <br />overflow into buildings in accordance with Section 5704.2.7.5.8 <br />"5704.2.9.5.2 Fill pipe connections. Fill pipe connections for <br />tanks storing Class I, II, and IIIA liquids and Class IIIB liquids <br />connected to fuel- burning equipment shall be in accordance with <br />Section 2704.2.9.7.6. <br />"5704.2.9.5.3 Combustible liquid storage tanks inside of <br />buildings. The maximum aggregate allowable quantity limit shall be <br />3,000 gallons (11 356 L) of Class II or III combustible liquid for <br />storage in protected aboveground tanks complying with Section <br />5704.2.9.7 when all of the following conditions are met: <br />"1. The entire 3,000 gallon (11 356 L) quantity shall be stored in <br />protected above - ground tanks; <br />"2. The 3,000 gallon (11356 L) capacity shall be permitted to be <br />stored in a single tank or multiple smaller tanks; <br />M <br />