How do you run a gas line underground?
Table of Contents
How To Run Your Own Gas Line Underground
- Purchase a mechanical permit to run 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 inspection and get approved.
How deep should a gas line trench be?
24” deep
All trenches must be 24” deep the entire length and level at all riser locations with no rocks or debris that can damage the pipe in any way. When back-filling, be sure to use clean back-fill material. Under certain conditions, the gas line must be installed in a sleeve for additional protection.

How deep do you dig in a gas line?
The depth at which gas lines are buried is regulated by local governments. As a result, the depth values of gas lines allowed depends on the state or county where the lines are buried. On average, main gas lines are usually found at least 24 inches deep, while service lines are usually 18 inches deep.
Can you install flexible gas line underground?
The HOME-FLEX Underground Yellow Poly Gas Pipe is the fastest, easiest and safest way to install an underground gas line. The yellow poly gas pipe will never rust and our revolutionary compression fittings will save you time and money. Can be used for natural gas or liquid propane applications.

Can gas line and water line in same trench?
If trench is to be a joint trench (shared with other utilities) the following separations must be maintained: 24 inches between gas and electric lines. 12 inches between water and electric lines.
Can black gas pipe be buried?
The black gas pipe can be buried underground. But it needs some protective layer to keep it away from rust. Black iron pipes don’t contain any protective coating on them. This is why before burying it you’ve to apply paint over them to protect it from humidity.
How to locate underground gas lines before you dig?
Security systems
What is the best gas pipe for underground?
Currently Code Compliant Underground Gas Piping Products.
How do you install a gas line?
Turn off the gas to your house. The valve will be at your gas meter on the side of your house and should shut off entirely with a quarter-turn.
How much does it cost to run a gas line?
To run a new gas line, it’ll cost an average of $522. However, it can range anywhere from $120 to $1,350. Most homeowners spend between $256 and $790. Budget $15 to $25 per linear foot for new and replacement lines, including the labor, piping and materials.