UpCodes logo
Jump To Full Code Chapter
Leakage testing of systems and equipment shall be in accordance with Sections 406.6.1 through 406.6.4.
406.6.1 Test Gases
Leak checks using fuel gas shall be permitted in piping systems that have been pressure tested in accordance with Section 406.
406.6.2 Before Turning Gas On
Before gas is introduced into a system of new gas piping, the entire system shall be inspected to determine that there are no open fittings or ends and that all valves at unused outlets are closed and plugged or capped.
406.6.2.1 Establishing Gas Supply
It shall be unlawful for any utility company to supply gas to a building, place or premises in which new meters other than replacement are required until a certificate of approval of gas installation from the department is filed with such utility company. When new gas service piping has been installed it shall be locked-off by the utility either by locking the gas service line valve or by installing a locking device on the outside gas service line valve. The lock shall not be removed until the gas meter piping (other than utility-owned) and gas distribution piping has been inspected and certified as required by the department as being ready for service.
406.6.2.2 Alterations to Gas Piping Systems
When alterations, extensions or repairs to existing gas meter piping or gas distribution piping requires the shut-off of gas flow to a building, the utility shall be notified by the owner or his or her authorized representative.
406.6.3 Test for Leakage
Immediately after the gas is turned on into a new system or into a system that has been initially restored after an interruption of service, the piping system shall be tested for leakage. Where leakage is indicated, the gas supply shall be shut off until the necessary repairs have been made.
406.6.4 Placing Equipment in Operation
Gas utilization equipment shall be permitted to be placed in operation after the piping system has been tested and determined to be free of leakage and purged in accordance with Section 406.7.2.
406.6.4.1 Requirements for Placing Equipment in Operation
The following will be required prior to placing equipment in operation as applicable:
  1. Required fire protections systems (sprinkler or standpipe) are completed, inspected and ready for service.
  2. Such equipment and related gas pipings are inspected by the department or authorized inspector.
  3. Associated fire suppression system is inspected and approved by the Fire Department.

Related Code Sections

406.6.2.1 Gas Piping Installations, Establishing Gas Supply
It shall be unlawful for any utility company to supply gas to a building, place or premises in which new meters other than replacement are required ...
406.6.3 Gas Piping Installations, Leak Check
, the piping system shall be checked for abnormal operating conditions and leakage. The leakage check shall be performed by means of a combustible gas indicator ...