Trenching and backfill Sample Clauses

Trenching and backfill. .1 Do trenching and backfill work in accordance with Provincial Occupational Health and Safety legislation. .2 Trench depth to provide minimum cover over pipe of 1.8 m (6 ft) from finished grade or as indicated on the contract drawings. .1 All piping to be installed with the set grade, with no reverse grades other than that shown. .3 Do not backfill trenches until installed work has been checked and approved by the Owner or the Owner’s representative. .4 Underground warning tape (metal detector warning tape) shall be blue background with black letters “Caution: Water Line” and shall be installed 1 m directly above the main.