(a) Force main pipe material must withstand the pressure generated by instantaneous pump stoppage due to power failure under maximum pumping conditions.
(b) The use of pipes or fittings rated at a working pressure of less than 150 pounds per square inch is prohibited.
(c) Force main pipe materials must be identified in the specifications with the appropriate specification number for both quality control and installation from the American Society for Testing and Materials, American National Standards Institute, or American Water Works Association.
(d) Pipe material specified for a force main must have an expected life equal to or longer than that of the lift station and must be non-corrosive.

Source Note: The provisions of this §217.64 adopted to be effective August 28, 2008, 33 TexReg 6843; amended to be effective December 4, 2015, 40 TexReg 8254