Product Approval (Test Lab)

LADBS approves alternate building materials or products that are at least equivalent to the materials prescribed in the code in terms of quality, effective time period of fire resistance, strength, effectiveness, durability and safety.

LA Research Reports (LARR)
Building Research Section (BRS)
Mechanical Test Lab (MTL)
Electrical Test Lab (ETL)

About Test Lab

Approved materials are published as Los Angeles Research Reports (LARR).

For licensing of product approval test labs, refer to the Materials Control section in the Inspection Bureau.

Additional Resources

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A soils/geology report for a subdivision is generally required in hillside areas and seismic hazard zones. See Information Bulletin P/BC 2107-132.

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The required parking spaces for a house in a single-family zoned property shall be covered.

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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.

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Plan check is not required for a 2-inch or less water service when the potable water piping is sized using table 610.4 of the Los Angeles Plumbing Code.

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Plan check for sewer piping is not required when the drainage fixture units do not exceed 216 fixture units and pumps are not used.

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No plan check is required for rain gutters.

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Systems up to 10 interconnected roof drains do not require plan check.

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Plan check is not required for existing systems that are added added or altered with branch lines serving less than 20 fixture units and sized per table 610.4.

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Plan check is required when the aggregate cooling or the heating in the building exceeds 500,000 BTU/hr.

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Yes, plan check is required for sewage ejector per Section 101.5.6 of the Los Angeles Plumbing Code (LAPC).

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