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ED2 to Saguaro No. 2 Transmission Line Rebuild Project (DOE/EA-1972)

 

Project Description:

Western proposes to replace the ED2 Saguaro No. 2 115-kV Transmission Line's wood H-frame structures (3.1 miles ) and wood single-pole structures (32.5 miles) with steel monopoles (35.6 miles).  The existing structures are 60 to 70 feet tall and the proposed replacements are 80 to 90 feet tall.  The conductors and overhead protection ground wire will be replaced.  Existing access roads will be used to the extent possible and improved as needed.

Western operates and maintains this transmission line under an agreement with the Central Arizona Project (CAP).  It serves three CAP pumping stations:  Brady, Picacho, and Red Rock.  Western is working cooperatively on this project with the U.S. Bureau of Reclamation, U.S. Bureau of Indian Affairs, San Carlos Irrigation Project, and the U.S. Army Corps of Engineers.

The project is located on the east side of Interstate 10 near Eloy, Pinal County, Arizona.  It starts at Western's Electrical District 2 (ED2) Substation located on the east side of Eleven Mile Corner Road, a half mile south of State Route 287, and ends at the Saguaro Substation located next to Arizona Public Service’s Saguaro Steam Plant situated alongside Interstate 10 one mile south of Exit 226 (Red Rock).  The transmission line parallels portions of Eleven Mile Corner, Hanna, Brady Pump Plant, and Pecan Roads and crosses State Route 87 at Hanna Road.

Western's project increases the reliability and safety of the bulk electric system so that the risk of a catastrophic failure on the ED2 Saguaro No. 2 Transmission Line is reduced to the lowest practical level and the greatest long-term benefit is obtained.  This line experienced five major failures in the past 10 years, of which the most recent occurred in 2012 when a wind storm destroyed 30 structures in a three-mile-long section.

Western’s plans to rebuild the transmission line starting in Spring 2016 and complete it by Spring 2018.  The work will occur in stages so that the electrical supply to the pumping plants is uninterrupted.  Once built, Western will operate and maintain the line.

Project Documents:

Draft Environmental Assessment for the ED2 Saguaro No.2 Transmission Line Rebuild Project (DOE/EA 1972) - For Public Comment

Biological Evaluation

Preliminary Jurisdictional Waters/Wetlands Delineation Report

Determination to Prepare an Environmental Assessment (see attached)

ED2 SGR Transmission Line Rebuild Field Office Study (10-22-2012)

Map

Guidance:

Electric and Magnetic Field Facts

A Citizens Guide to the NEPA Process available at http://energy.gov/nepa/downloads/citizens-guide-nepa-having-your-voice-heard

- What makes a useful comment on a NEPA Document? – See Page 27

News and Updates:

Western would like to know of any comments you may have on the Draft Environmental Assessment. Please make your comments as specific as possible. Comments can be provided in writing, by phone, or email provided below. All comments received or post-marked on or before Tuesday, December 23, 2014 will be considered.

Contact Information:

Mail:      Western Area Power Administration
Matthew Bilsbarrow, NEPA Document Manager
P.O. Box 6457 Phoenix, AZ 85005
Email:    DSW-EA1972PublicComment@wapa.gov
Phone: (602) 605-2536
Fax:        (602) 605-2630





 

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