Los Angeles City Ordinance 174343 requires that seismic gas shut off valves be installed on designated buildings with the city . Seismic gas shut off valves are designed to automatically shut off the supply of natural gas to a building to prevent a fire or explosion due to accumulation of gas in the building in the event of a major earthquake.
Inspection of Seismic Gas Shut-Off Valve
Department of Building and Safety (LADBS)
Request for Services or Assistance
Permits, Licenses, and Inspections
Construction Permits and Inspections
Required for installation.
A plumbing permit from the Department of Building and Safety is required for the installation. The cost of a plumbing permit for a single valve is $43.40.
Schedule an inspection
Refer to http://ladbs.org/LADBSWeb/faq.jsf?panel=Inspection for information on how to schedule for an inspection.
When is the installation required?
∙All new buildings constructed after September 1, 1995.
∙Residential and Commercial buildings performing addition, alterations or repairs with a valuation of greater than $10, 000.
∙All buildings sold in the City after February 5, 1998.
∙Alterations or additions to the fuel gas piping system that involves the alteration or replacement of the gas meter.
Who can install the valve?
The valve may be installed on the customer side of the meter by:
∙The owner of a single family dwelling (if the dwelling is or intended to be occupied by the owner).
∙A licensed plumbing contractor.