AL Concrete Pavement Practice Questions - Alabama Concrete Pavement Contractor Examination Exam

Before a newly installed potable water main is placed in service, which sequence is typically required?

Pressure test only; flush once and open to customers Flush, pressure (hydrostatic) test, disinfect, and obtain satisfactory bacteriological results Disinfect first, then pressure test with untreated trench water Visual inspection only if the pipe is NSF-listed

Correct Answer:

Flush, pressure (hydrostatic) test, disinfect, and obtain satisfactory bacteriological results

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