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

Summary

SCH Number
2020070165
Lead 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
Received
Posted
7/8/2020
Project Applicant
Donald Vargas/Imperial Irrigation District
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
Imperial Irrigation District
P.O. Box 937
Imperial, CA 92250

Phone : (760) 482-3609
dvargas@iid.com

Location

Counties
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
15302
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.

Attachments

Notice of Exemption
Location Map Imperial County   PDF 278 K Location Map Riverside County   PDF 281 K NOE 92kV Line Relay Protection Upgrade (ED, P and R Lines) Project No   PDF 364 K Project Description   PDF 10 K Project Locations   PDF 8 K Protection Relay Illustrations   PDF 407 K

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