- (a) The final plans and specifications must include the pressure testing procedures.
- (b) A pressure test must use 50 pounds per square inch above the normal operating pressure of a force main.
- (c) A temporary valve for pressure testing may be installed near the discharge point of a force main and removed after a test is successfully completed.
- (d) A pump isolation valve may be used as an opposite termination point.
- (e) A test must involve filling a force main with water.
- (f) A pipe must hold the designated test pressure for a minimum of 4.0 hours.
- (g) The leakage rate must not exceed 10.0 gallons per inch diameter per mile of pipe per day.
Source Note:The provisions of this §217.68 adopted to be effective August 28, 2008, 33 TexReg 6843.