188.8.131.52. Backfill of pipe Trench
(1) Where piping is installed underground, the backfill shall be carefully placed and tamped to a height of 300 mm over the top of the pipe and shall be free of stones, boulders, cinders and frozen earth.
This material is COPYRIGHT © QUEEN'S PRINTER FOR ONTARIO, 2008-2018
This site is not an offical copy or maintitned by the Government of Ontario.