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

  • FAQ

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36 inches is the maximum height.

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The slope requirements for different parts of an accessible route vary.

Walkways 5%
Ramps 8.33%
Landings 2%
Elevator car 2%
Accessible parking 2%







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8.33% is the maximum for a ramp slope. 

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15” minimum
48” maximum


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36” minimum, if serving elements are on only one side; otherwise 44” minimum.

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The clear width of walking surfaces must be 36 inches minimum

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30” x 48” is the minimum width. 

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In A and E occupancies the occupant load is required on the CofO for the number of people allowed.

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Tel: (323) 224-2168
Fax: (323) 224-2161


 

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For A, E, I, H, B, the fees are $98.00 per floor and R2 occ $189.00 per floor.

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