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Water Specification [DOC] - City of Barrie

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B-8<br />

<strong>City</strong> <strong>of</strong> <strong>Barrie</strong><br />

<strong>Water</strong> Distribution <strong>Specification</strong><br />

Section “B” - Design Criteria<br />

February, 2005<br />

14.0 PVC WATERMAIN<br />

14.1 Pipe Deflection<br />

On a radius, lengths should be assembled in a straight line and then curved in the trench. All<br />

curvatures result from the bending <strong>of</strong> the pipe lengths. Deflection <strong>of</strong> the joint is very slight,<br />

up to one degree. The Contractor shall follow, at all times, manufacturer specifications for<br />

pipe deflection.<br />

Offset per 20 ft (6.1 metres) Length Pipe Size<br />

4" (100 mm) - 24" (610 mm)<br />

6" (150 mm) - 17" (430 mm)<br />

8" (200 mm) - 12" (305 mm)<br />

10" (250 mm) - 11" (280 mm)<br />

12" (305 mm) - 9" (230 mm)<br />

16” (400 mm) - 6” (150 mm)

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