General requirements



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1433 PIPE LYING

14331 INSPECTION - Pipes and fittings shall be inspected for damages and defects prior to laying. Any pipes found to be damaged or defective shall be rejected and removed off the site if determined unsuitable for any purpose.
14332 LAYING - Pipes shall be carefully lowered into trenches and laid truly straight on line and gradient. The sockets of pipes shall be maintained upstream. Pipes shall be laid single on bed. A straight level laid on the invert of the pipe shall check the level. The level shall be checked against the invert of the pipe previously laid and the nearest level peg. Pipes shall not be laid on their collars or on temporary supports.

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