Call for initial inspection after HVAC is installed and ducts sealed and prior to drywall installation.
When is a commissioning report required?
Commissioning report is required for all new non-residential projects of 10,000 square feet or more. The exceptions are warehouses, open parking garages and similar projects.
When is it required to have the ducts covered during a project?
Ducts should be covered as soon as installed, and shall remain covered until the HVAC system is installed and ready to be turned on.
Where can I find the SRI values for the most common roofing products?
The manufacturer’s website will usually have this information readily available. Alternatively, the Cool Roof Rating Council (CCRC) provides a searchable public database for all products that have been tested by the organization.
Where can I obtain a copy of the Green Building Code?
CALGreen and Los Angeles Green Building Codes are available to view on our website.
Who can prepare a commissioning report?
The report can be prepared by commissioning agents and any other trained personnel with experience on projects of comparable size and complexity.
Can I combine a kitchen exhaust with a bathroom exhaust?
Kitchen exhaust with intake from the kitchen ceiling register and bathroom exhaust can be combined using the same exhaust duct. Kitchen exhaust firm a kitchen hood shall be combined with bathroom exhaust.
Can I install a residential hood in a non-dwelling unit?
Yes, but with conditions. Residential hoods may be installed in employee kitchen areas, community centers in residential buildings, churches and similar areas that are not designed for the selling of food to the public.
Can the bathroom, kitchen and dryer exhaust terminate under the balcony?
Yes, but with conditions. Contact Mechanical Plan Check for more information.
Do I need plan check to install an air conditioning system in a single dwelling?
Plan check is required when the aggregate cooling or the heating in the building exceeds 500,000 BTU/hr.
Do I have to install a hood in a residential kitchen?
A hood is not required for residential kitchens. However, it is required to provide kitchen ventilation for removing moisture.
Do I need plan check to install window AC units?
No, plan check is not required for ductless window units.
I am installing a new air conditioning system, what type of filters do I need to use?
Residential buildings up to 3 stories in height shall have filters with Minimum Efficiency Reporting Value (MERV) of 6. Residential buildings over 3 stories in height have no requirements for MERV values. All non-residential buildings shall have filters with a MERV rating of at least 8.
I am replacing or adding an AC unit. Do I need to prepare plans?
If the AC units that are added or replaced add up to 5 or more, then plans must be prepared and submitted for approval to Mechanical Plan Check.
In a dwelling unit, can I use openable windows to meet the outside air title 24 requirement?
Yes, but only when the area of the open window and the distance from the window to the furthest location in the room comply with the requirements of Title 24.
What are the requirements for a garage ventilation system?
Please see Section 403.7 of the Los Angeles Mechanical Code (LAMC) for the requirements concerning garage ventilation systems.
Are there ADA requirements at special events?
Yes, ADA restrooms and parking at events must meet ADA requirements.
Are toilets required for special events?
Yes. Sanitary facilities must be provided at special events.
Can I get a duplicate copy of the Inspection Card?
A duplicate of Building Inspection Card can be obtained from LADBS cashier free of charge, but you must bring a copy of the permit.
Can I have a deputy inspector approve the required inspections?
Kitchen exhaust with intake from the kitchen ceiling register and bathroom exhaust can be combined using the same exhaust duct. Kitchen exhaust from a kitchen hood shall be combined with bathroom exhaust.