Mechanical Test Lab (MTL)
The Mechanical Test Lab is responsible for reviewing applications for mechanical product approvals through its Research Section and Mechanical Test Lab. Approved materials are published as Los Angeles Research Reports (LARR).
Contact the
MTL
Test Lab Engineer: Cristina Acevedo-Leija
Email: Cristina.Acevedo-Leija@lacity.org
Telephone: (213) 202-9902
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No. You can appeal as many items as you want. The fees you will need to pay for the appeal will be determined based on the number of the items you are appealing.
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Yes, per 1134A4.
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A complete set of plans showing the proposed work is brought into the Department, likely as a Counter Plan Check. A permit is issued after the plan are reviewed and approved by our plan check engineers. A complete set of plans includes:
- Site Plan
- Floor Plan
- Roof Plan
- Elevation of the building
- Section of the building
- Framing Plan
- Foundation Plan
- Architectural and Structural Details Plan
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A building permit cannot be issued without the LA County Health Department approval. It is recommended you submit your plans to the Health Department as soon as you can to avoid any delay in your project.
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The City requires the applicant for a project with excavation close to a property line to notify the affected property via a certified mail. See the Information Bulletin P/BC 2014-060 for more information.
P/BC 2014-060Was this helpful?
No. The ADU Standard Plan program includes pre-approved designs that are both meant to be built in place as well as designs that are prefabricated off-site.
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No. Each pre-approved plan is available for a fee determined by the architect or designer in consultation with the homeowner/client. Please see the link, ‘For further information on this standard plan click here.’ listed under each plan.
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No. The participating architects and designers retain ownership of the designs.
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Explore extensive information and valuable insights! Uncover data from various city departments, including LADBS programs. Visit the City's Open Data Platform: https://data.lacity.org/ Search and view Building and Safety Permit data.
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Below is a general list of items needed for the ADU Standard Plan review and approval:
Floor plan – Show proposed work and room layout, door and window sizes and location.
Building Elevations/Cross Sections – Exterior elevations for new construction, detailing all exterior walls, projections and cross sections in each direction.
Foundation Plan – Show foundation size (width and depth), along with slab on grade thickness. For raised floor construction, show size and direction of floor joists.
Roof Framing – Show roof rafters and ceiling joists’ size and direction.
Energy Conservation – Energy calculations and Certificate of Compliance (CF1R). See energy.ca.gov/title24 for more information. Compliance documents shall be provided for all design orientations/directions.
Green Code – material specifications, notes and details.
More detailed information can be found in our Document Submittal Requirement for a New Accessory Dwelling Unit (ADU) Standard Plan.
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