§ 23.25.1210.1.10. Frost heave protection for copper tubing.

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1210.1.10 Frost heave protection for copper tubing. At points where copper tubing type systems enter or leave the ground, they shall be protected from frost heave action by the incorporation of a suitable above ground six-inch radius loop, or listed fuel gas piping connector of equal size.

( AO No. 2015-127, § 1, 4-1-16 )

                    
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