Advanced Light Source Switchstation A3 And Substation 301 through 307 Replacements


SCH Number
Public Agency
Lawrence Berkeley National Laboratory
Document Title
Advanced Light Source Switchstation A3 And Substation 301 through 307 Replacements
Document Type
NOE - Notice of Exemption
Document Description
UC Lawrence Berkeley National Laboratory would perform mechanical replacements and/or upgrades of the Advanced Light Source (ALS) switchstation A3 (SW-A3) and substations 301 to 307 along with associated switchgear, transformers, and breakers. These actions would address deficient and outdated mechanical systems that are essential to several Berkeley Lab research facilities, Protective Services, and the on-site Firehouse. The project would conform to all applicable health, safety, and environmental rules and regulations.

Contact Information

Leana Sossikian
Agency Name
Lawrence Berkeley National Laboratory
Job Title
Site and Environmental Planner
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project


Other Location Info
The project site is within the Berkeley Lab's heavily developed "Old Town" area and would take place adjacent to Building 6 on the southeast side between the building and Segre Road. The general vicinity is heavily developed and features a relatively high level of foot traffic and research-related activity.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
CEQA Guidelines Section 15301and 15302
Reasons for Exemption
Consistent with CEQA Guidelines Section 15301, the Project would involve operation and minor alteration "of existing public and private structures, facilities, and mechanical equipment" in a manner which is consistent with their designed and ongoing use. All applicable health, safety, and environmental rules and regulations would be followed. The Project would also meet applicable provisions of CEQA Guidelines Section 15302 “replacement or reconstruction of existing structures and facilities where the new structure will be located on the same site as the structure replaced and will have substantially the same purpose and capacity as the structure replaced.” CEQA Guidelines Section 15300.2 describes a number of exceptions to categorical exemptions, which include the following: location, cumulative impact, significant effect, scenic highway, hazardous waste sites, and historical resources. These exceptions have been determined not to apply to the Project.
County Clerk


Disclaimer: The Governor’s Office of Planning and Research (OPR) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

Download CSV New Search Print