92kV Line Relay Protection Upgrade (ED, P and R Lines) Project No. 30033906


SCH Number
Public Agency
Imperial Irrigation District
Document Title
92kV Line Relay Protection Upgrade (ED, P and R Lines) Project No. 30033906
Document Type
NOE - Notice of Exemption
Present Land Use
Transmission Line
Document Description
The project consists of the replacement of the existing transmission line protection relays with modern SEL multifunction relays to provide faster and higher accuracy fault detection and enable the gathering of syncrophaser1 fault data in the event of a line fault. The sites for the relay line upgrades are: Mall to Calexico substations (ED Line), Heber Geo to Perry substations (P Line) and Avenue 58 to Coachella Switching Station substations (R Line).

Contact Information

Donald Vargas
Agency Name
Imperial Irrigation District
Contact Types
Lead/Public Agency

Agency Name
Donald Vargas/Imperial Irrigation District
Contact Types
Project Applicant


Imperial, Riverside
Other Location Info
Project Site Locations: Coachella Switching Station: The Coachella Switching Station is located approximately 600 ft. south of the intersection of Highway 111 (Grapefruit Blvd.) and 9th Street (Shady Lane borders the west side of the site) in Coachella, CA (33°40'35.7"N 116°10'20.9"W). Avenue 58 Substation: The Avenue 58 Substation is located approximately 1000 ft. north of Avenue 58 & ¼ mile west of Monroe Street, southeast of La Quinta, CA (33°37'50.5"N 116°14'23.1"W). Mall Substation: The Mall Substation is located approximately 125 ft. east of S. Dogwood Road and approximately ½ mile south of Danenberg Road, southeast of El Centro, CA (32°45'33.6"N 115°32'04.3"W). Calexico Substation: The Calexico Substation is located on the northwest corner of 4th Street & Emerson Street in Calexico, CA (32°40'08.4"N 115°30'00.9"W). Perry Substation: The Perry Substation is located approximately 380 ft. south of Zapata Street and approximately 384 ft. west of Alameda Street, ½ mile east of Highway 111, in Calexico, CA (32°41'13.7"N 115°29'27.0"W). Heber Geo Substation: The Heber Geo Substation is located on the west side of Pitzer Road and approximately 1,850 ft. north of Jasper Road in the township of Heber, CA (32°42'52.1"N 115°31'03.0"W).

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Reasons for Exemption
The project is exempt for the reason that it entails the 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.


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 Download All Attachments New Search Print