Trench bottom preparation: The trench load design is based upon the stability of the bedding and the foundation. It is important that the trench bottom remain stable during backfilling. The trench should not be excavated in advance of pipe laying, and should be backfilled as soon as possible.

Pipe laying: Pipes are not be lowered into a trench by a rope as shown without touching the trench wall. The pipe should be laid on the leveled bedding. To provide full longitudinal support of the barrel of the pipe, a hole or bell is made for the socket of the pipe in the bedding as shown below

2nd Industrial City, New Saniya,
New Al – Kharj Highway,
P.O. Box 17952,
Ar – Riyadh 11494,
Kingdom Of Saudi Arabia.
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