LH Line Relays Replacement Project (No. 30037799)


SCH Number
Public Agency
Imperial Irrigation District
Document Title
LH Line Relays Replacement Project (No. 30037799)
Document Type
NOE - Notice of Exemption
Document Description
The project consists of the engineering, procurement and construction activities needed to replace the existing obsolete MDAR and Optimo relays at the Aten and Holtville substations with modern SEL 411L and 421 (or 311L) relays (See attached illustrations). This include the necessary channels for DTT (direct transfer trip), which will result in SCADA and communication improvements

Contact Information

Donald Vargas
Agency Name
Imperial Irrigation District
Job Title
Environmental Compliance Administrator
Contact Types
Lead/Public Agency / Project Applicant / Parties Undertaking Project


Holtville, Imperial
Citywide, Countywide
Other Location Info
IID Aten Substation: Aten Rd., west of Hwy. 111 and south of Imperial Valley College in Imperial, CA. IID Holtville Substation: 6th St. between Melon & Myrtle Aves. In Holtville, CA. See attached location maps.

Notice of Exemption

Exempt Status
Categorical Exemption
Type, Section or Code
Sec.15302 (Class 2)
Reasons for Exemption
The project is exempt under Section 15302 (Class 2 exemption) 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, this exemption includes but is not limited to the replacement or reconstruction of existing utility systems and/or facilities involving negligible or no expansion of capacity.
County Clerk


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