A product (or equipment) is considered approved if it bears either the approval label of the City of Los Angeles Electrical Test Lab, or listing or certification label, symbol or other identifying mark of a recognized testing agency.

Approved testing and listing agencies are available from the Mechanical Test Lab page.

All testlab applications are listed on the Mechanical Test Lab page on the LADBS website.

Yes. Graywater Ready Systems are not required when the landscape area on the site does not exceed 500 square feet, or when graywater irrigation is not permitted due to geological conditions, or for additions or alterations that use the existing building drain.

Yes. However, the emergency drains shall be protected against backflow with backwater valves.

No, water from sprinkler drain shall discharge to the sewer.

No. Low pressure gas systems (2 psi or less) with more than 10 gas outlets require plan check. Medium and high pressure gas systems (more than 2 psi) require plan check regardless of the number of gas outlets.

The Plumbing Code allows outdoor installations of water heaters. Check with the Zoning engineer for required minimum distance from the property line.

No, since the pipe sizing tables for rain rainwater are based on a minimum 1% slope.

Plastic waste and vent piping in residential occupancies are allowed when the residential portion of the building is 2 stories or less.