SC Water And Sewer Plants Practice Questions - South Carolina Water And Sewer Plants Contractor Examination Exam

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DIPRA and ANSI/AWWA C600 recommend hydrostatic testing of a newly installed ductile iron pressure main at not less than which pressure and duration at the lowest elevation of the test section?

Working pressure for 15 minutes 1.25 times working pressure for 30 minutes 1.5 times the stated working pressure for 2 hours 2.0 times the pipe pressure class for 8 hours

Correct Answer:

1.5 times the stated working pressure for 2 hours

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