Electrical Improvements: Electrical Switchstation S3


SCH Number
Public Agency
University of California, Davis
Document Title
Electrical Improvements: Electrical Switchstation S3
Document Type
NOE - Notice of Exemption
Document Description
UC Davis proposes to construct the Electrical S3 Switch Station, a project that is intended to improve the resiliency, reliability and safety for the Core Campus and Mondavi District medium voltage electrical distribution system. The project would construct a new 4,300 SF switch station (named S3) and associated infrastructure of duct banks and electrical feeders would provide full redundancy to the core campus and the Mondavi district. The scope of work includes construction of double-ended switchgear, which would be installed west of the Mondavi Center. New medium voltage (12 KV) bulk feeders are to be installed from the main substation in existing and new duct banks to the new on-campus S3 Switch Station. Approximately 5,000 linear feet of existing duct bank will be utilized and approximately 2,700 linear feet of new duct bank installed along with associated trenching and road repairs, new bulk feeders to be installed in a new concrete-encased duct bank along Crocker Lane and north to Hutchison Drive.

Contact Information

Heather Davis
Agency Name
UC Davis
Job Title
Interim Director of Environmental Planning
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project


Cross Streets
Arboretum Drive & Old Davis Road

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Class 1: Existing Facilities, Class 3: Small Structures
Reasons for Exemption
This project is an exterior alteration and expansion of an existing electrical conveyance system. This project qualifies as categorically exempt under CEQA Guidelines Section 15303 (Class 3, New Construction or Small Structures). This exemption applies to the construction and installation of new equipment and small facilities, including electrical and other utility extensions and associated street improvements. On a separate and independent basis, this project also qualifies as categorically exempt under CEQA Guidelines Section 15301 (Class 1, Existing Facilities) because this project consists of minor alterations to an existing facility and mechanical system. The Class 1 exemption applies to the operation, repair, maintenance or minor alteration of existing public or private structures, facilities or mechanical equipment, involving negligible or no expansion of the existing use. In addition, none of the exceptions pursuant to CEQA Guidelines Section 15300.2 for application of a categorical exemption apply to this project.


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 state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613. For more information, please visit OPR’s Accessibility Site.

Download CSV New Search Print