// CODE SNIPPET
1316.6 Variable Gas Pressures
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Where the gas pressure exceeds 14 inches (3.5 kPa) or less than 6 inches (1.5 kPa) of
water column, or where diversity demand factors are used,
the design, pipe, sizing, materials, location, and use of such
systems first shall be approved by the Authority Having Jurisdiction.
Piping systems designed for pressures exceeding the
serving gas supplier's standard delivery pressure shall have
prior verification from the gas supplier of the availability of the design pressure.
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