Energy Storage System (ESS)/Battery System Comments for ADU Under 2022 Code:

1. Show location of ESS on Electrical Plan. ESS can only be installed in one of the following areas: a. Attached garages b. Detached Garages c. Outdoors or on exterior walls at least 3 ft away from doors or windows d. Enclosed utility closets, basements, storage or utility spaces within dwelling units with finished or noncombustible walls and ceilings. Reviewed for Code Compliance e. ESS shall NOT be installed in sleeping rooms, or closets or spaces opening directly into sleeping rooms or in habitable spaces of dwelling units.

2. State the kW of battery system as proposed in T24 energy report on Electrical Plan.

3. Show interconnected smoke alarm in the space/room where ESS is installed indoors. Plumbing Mechanical

4. If the space/room is unfinished, the walls and ceiling shall be protected by 5/8 inch Type X gypsum board. 24-102993 9/23/2024 No. Date:

PC 24-102993 MASTER FILE

Reviewed for Code Compliance

Batteries shall not be less than 3' away from the property line.