Asked: November 9, 20202020-11-09T20:43:26+00:00 2020-11-09T20:43:26+00:00 how to run a natural gas line underground? cameron 142 Questions 1 Answer 1 Best Answer 0 Points View Profile cameron Hi.. how to run a natural gas line underground? natural gas 1 Answer Voted Oldest Recent alice 0 Questions 136 Answers 136 Best Answers 136 Points View Profile Best Answer alice 2020-11-09T20:44:06+00:00Added an answer on November 9, 2020 at 8:44 pm Running a gas line underground to a garage, pole barn, or any separate outbuilding from your home is an excellent project for even the average do it yourself. If you follow a few simple steps, it can be done safely and with ease, other than digging that ditch. Purchase a mechanical permit to run a gas line Purchase PE pipe with risers and fittings Dig your trench at least 18 inches deep Cut and lay in your pipe with risers vertical and plumb Pressure test pipe with air Call for an inspection and get approved Connect ends of the pipe to source and other gas lines 0 Reply Share Share Share on Facebook Share on Twitter Share on LinkedIn Share on WhatsApp Leave an answerLeave an answerCancel reply Attachment Select file Browse Featured image Select file Browse Save my name, email, and website in this browser for the next time I comment.