// CODE SNIPPET
1221.3 Pressure Testing
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Piping to be embedded in concrete
shall be pressure-tested in accordance with Section
1205.2 prior to pouring concrete. During the pour, the pipe
system shall maintain the test pressure of not less than one
and one-half times the hydronic system operating pressure
and not less than 100 psi (689 kPa). During freezing or the
possibility of freezing conditions, testing shall be done with
air where permitted by the manufacturer.
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