How deep are newly constructed natural gas lines installed?
• Transmission pipe is installed to a minimum depth of 1 metre; • Distribution mains 6″ or larger are installed to a minimum depth of 1 metre; • Distribution mains 4″ or smaller are installed to a minimum depth of .75 of a metre; • Service mains on public property are installed to a minimum depth of .6 of a metre; • Service mains on private property where the land above the service line is used for crop cultivation, pasture, hay, gardens, or other use subject to tillage, or, used for a road other than a paved road or good quality gravel road, are installed to a minimum depth of .6 of a metre; • Service mains on private property where the land above the service line is not used for crop cultivation, pasture, hay, gardens, or other use subject to tillage, or, used for a road other than a paved road or good quality gravel road are installed to minimum depth of .45 metre.