The Contractors will be responsible for any displacement of these pipes if any should occur before they are covered, and should it be found necessary to tap vent holes in the pipes to release the air, these vent holes must be securely filled up again before the pipes are covered.

All pipes are to be coated with Dr. Angus Smith's Composition before being laid. The price per ton to include caulking, jointing, coating and laying in position complete ...