ECGS Unit 2-1 Main Transformer Replacement (Project No. 200142)

Summary

SCH Number
2020100240
Lead Agency
Imperial Irrigation District
Document Title
ECGS Unit 2-1 Main Transformer Replacement (Project No. 200142)
Document Type
NOE - Notice of Exemption
Received
Posted
10/13/2020
Project Applicant
Imperial Irrigation District
Present Land Use
Industrial

Document Description
The ECGS steam turbine Unit 2-1 33MVA Main Generator Step-up Transformer, consisting of a bank of 3 single-phase 14.67 MVA transformers, has been in service since 1952. The useful service life for power transformers is 40 years. Testing performed in 2016, 2018 and 2019 confirmed that two of the three-single phase transformers were at risk of failure. Failure of any of the single-phase transformers poses a safety risk to plant equipment and personnel and could take Unit 2 turbines out of service. Assessments performed by IID indicates that the replacement of two (2) single-phase transformers would maintain operational reliability and safety.

Contact Information
Donald Vargas
Imperial Irrigation District
P.O. Box 937
Imperial, CA 92243

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

Location

Cities
El Centro Imperial
Counties
Imperial
Regions
Countywide
Cross Streets
East Villa Avenue and North Dogwood Street

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.

Attachments

Notice of Exemption
ECGS Unit 2-1 Main Transformer Illustration   PDF 749 K ECGS Unit 2-1 Main Transformer Replacement Project Location Map   PDF 293 K NOE - eSignature   PDF 204 K

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