3. Footage counter
4. Test pressure
5. Sewer reach identification (street location, start MH and second MH)
D. PIPE DEFLECTION MEASUREMENT:
1. In accordance with ASTM D3034, no less than 30 days after completion of the PVC
sewer pipe installation, the Contractor shall test the pipeline for deflection using a
"go/no-go" deflection mandrel having a minimum of nine evenly spaced arms or
prongs. The "go/no-go" gauge shall be hand pulled through all sections of the pipeline
by the Contractor. The Contractor shall submit drawings of the "go/no-go" gauge to
the Engineer for approval prior to testing. Complete dimensions of the gauge for each
diameter of pipe to be tested shall be in accordance with ASTM D3034.
2. Any section of pipe found to exceed 7.5 percent deflection shall be deemed a failed
pipe and shall be excavated and replaced by the Contractor at his own expense.
END OF SECTION
2022 Sewer Replacement Project Polyvinyl Chloride Gravity Pipe and Fittings
Nashua, NH 02085-5
