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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Any permit other than Express Permits or the online permits require plans. For the list of the Express Permits, check the corresponding Information Bulletin.
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Whenever a building is demolished, a Demo Pre-Inspection (DPI) is required. See the Information Bulletin P/BC 2014-039 available on LADBS.ORG for more information.
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Most of the signs except wall signs, under certain conditions, require a Sign Pre-Inspection (SPI) report. See the Information Bulletin P/BC 2014-078 for more information.
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Call for initial inspection after HVAC is installed and ducts sealed and prior to drywall installation.
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Please see Information Bulletin P/BC 2014-060 for a detailed explanation.
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You need to get a Title 24, Part 6 State energy regulation compliance plan check whenever you alter, repair, add, modify or install new lighting, or install new service or distribution systems as described in the California Energy Code.
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In general, "Graywater Ready Systems" shall be provided for all building plans submitted after June 6, 2016.
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Storage tanks for fire protection are required for new high-rise buildings over 75 ft. and for existing building falling under the scope of chapter 86 of LABC when the building height exceeds 150 ft.
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A grading bond is required for projects with over 250 CY of cut or fill in a Hillside Grading Area.
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