Service Line Specifications


All gas plumbing installation and repairs must comply with Federal, State, and City Codes, and requirements for gas risers.

The City of Port Aransas Gas Department is providing the following written specifications which derived from the American Gas Association's National Fuel Gas Code.

Following these specifications will help prevent any delay in activating gas service to your home or place of business.

The location of the point of delivery shall be acceptable to the City of Port Aransas Gas Department. Contact the Gas Department at (361) 749-4111 or email to in PDF or JPEG format a copy of your site plan for specific location.

Gas piping systems shall be of such size and so installed as to provide a supply of gas sufficient to meet the maximum demand without undue loss of pressure between the point of delivery and the appliance.

Gas piping shall be a 1” IPS or greater and have a minimum burial depth of 18" from finish grade firmly bearing on the bottom of the trench.

Gas metallic pipe exposed to corrosive action shall be protected with a minimum of 10mils of coating or 10mils of tightly wound pipe wrap tape.

Gas zinc coatings are not deemed adequate protection for gas piping underground. The use of pipe wrap tape is at the discretion of the Building Official.

Gas Ferrous Metal exposed in exterior locations shall be protected from corrosion with 10mil. Poly Pipe Wrap, tightly wound from 12” above to 12” below ground.

Gas plastic pipe tubing and fittings shall be used only underground and shall conform to ASTM D2513. Pipe shall be marked "gas" and "ASTM D 2513". Pipe shall be accompanied by #12 AGW direct burial tracer wire and all wire nuts used underground shall be suitable for direct burial.

Aluminum-alloy tubing shall comply with ASTM B 210 of ASTM B 241. Aluminum-alloy tubing shall be coated to protect against external corrosion. Aluminum-alloy tubing shall not be used in exterior locations or underground.

Copper tubing and Polyvinyl-chloride (PVC) piping are not allowed to be used for Port Aransas gas.

Requirements for gas risers

All Gas Risers shall be wrapped with 10mil. Poly Pipe Wrap, tightly wound from 12” above to 12” below ground. Risers shall be rigid, designed and certified to meet the requirements of Category I of ASTM D 2513, and CFR 49 §192.281.

Residential Gas Risers MUST be 1” or greater in diameter, RIGID, 2’ above finished grade, and with a minimum space of 2' perpendicular from City riser. See Fig. A below. IF the required gas demand is equal or greater than 999,000 Btu’s, notify the Gas Department for Gas Riser specifications.

Information on placing the gas meter at the building line

A home buyer's decision to have natural gas in their home comes down to location, location, location and most builders and developers what to maintain an aesthetically appealing exterior to their homes and subdivisions, so the City of Port Aransas Gas Department has come up with a way to help add value to their buildings. The placement of a Natural Gas meter at the home and hidden from view is ideal. Here are some of the following requirements and guidelines too qualifying for this method.

  • An easement of (a minimum) 5 ft. wide by the length of the Natural Gas Service (piping) must be granted to the City of Port Aransas Gas Department by the land owner.
  • A Site plan must be submitted to the Gas Department (in digital formats PDF or JPEG) with a proposed location of the house (gas) line stub-out no later then 10 days after applying for building permit for proper planning.
  • An underground Curb Side Valve with an Extension Access Box placed at finish grade must be installed. Some exceptions may apply, contact the Gas Department for provisions.
  • A Natural Gas Meter can only encroach up to 5 ft. pass the Building line. Some exceptions may apply, contact the Gas Department for provisions.
  • Gas Department tolerance zone requirements for vents, air intakes, electric meters, operating windows, doors, etc? shall be clear from the gas regulator vent by at least 3 ft.
  • Site plan can be forward to
  • See Building Official for any other requirements.
Please forward any comments or questions to
  • When gas meters are set in the front of garages or anywhere they are subject to damage from vehicles, etc? the Gas Department requires guard posts to be installed for protection.
  • Guard Post must be 4" diameter pipe filled with concrete on a 15" diameter concrete footing, 4' in depth and 3' from grade placed no