Building Research Section (BRS)
The BRS 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.
Additional Information
Approved materials are published as Los Angeles Research Reports (LARR).
The Building Research Section is located at our Metro location (201 N Figueroa St, Rm 880, Los Angeles, CA 90012)
LA Research Reports (LARR)
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.
Approved materials are published as Los Angeles Research Reports (LARR).
Additional Resources
- FAQ
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FAQ Search Results
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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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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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For A, E, I, H, B, the fees are $98.00 per floor and R2 occ $189.00 per floor.
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