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Section P2913 Reclaimed Water Systems
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Where the reclaimed water pressure supplied to the building exceeds 80 psi (552 kPa) static, a pressure-reducing valve shall be installed to reduce the pressure in the reclaimed water distribution system piping to 80 psi (552 kPa) static or less. Pressure-reducing valves shall be specified and installed in accordance with Section P2903.3.1
The design of the reclaimed water systems shall conform to accepted engineering practice.
Distribution piping systems shall be designed and sized in accordance with Section P2903 for the intended application.
Nonpotable rainwater distribution piping labeling and marking shall comply with Section P2901.2.