The U.S. Army Corps of Engineers seeks bids for replacement transformers and switchgear at the 517.8-MW Garrison Dam project on the Missouri River in Garrison, N.D. Bids in separate solicitations are due March 12 and April 2.
The Corps previously planned to take bids by March 5 for the 115-kilovolt generator step-up transformer installation. (HydroWorld 2/1/10) The Corps’ Omaha District hired L&S Electric in 2007 to retrofit governors at the hydroelectric project. (Hydro Review April 2007)
Valued at between $2.5 million and $5 million, the transformer work is to include removal of six single-phase 115-kV GSU transformers, reconstruction of the transformer deck to accommodate two new 115-kV three-phase GSU transformers, removal and replacement of the isolated phase bus, replacement of oil-filled high-voltage cables with solid-dielectric high-voltage cables, replacement of the generator neutral grounding system, installation of a transformer deluge and containment system, replacement of transformer controls and relaying, replacement of the annunciation system, and synchronization of potential transformers.
A solicitation notice may be obtained from the Federal Business Opportunities Internet site, www.fbo.gov, by entering solicitation No. W9128F10R0012 in the “Keyword/Solicitation #” box. Prospective bidders must register at the Central Contractor Registration database, www.ccr.gov, and the On-line Representations and Certifications site, https://orca.bpn.gov.
Bids for the transformer work are due March 12. For information, contact Donald D. Miller, Corps of Engineers, Omaha District, 1616 Capital Ave., Omaha, NE 68102-4901; (1) 402-995-2051; E-mail: firstname.lastname@example.org.
The Corps seeks bids by April 2 for 13.8-kilovolt switchyard station service switchgear, 13.8-kV powerhouse station service switchgear, and double-ended lineups of 480-volt switchgear with four dry-type 2-megavolt-ampere, 13.8-480-volt substation transformers.
A solicitation notice may be obtained from the Federal Business Opportunities Internet site, www.fbo.gov, by entering solicitation No. W9128F10T0010 in the “Keyword/Solicitation #” box.
For information, contact Tracey s. McKay, Contract Specialist, CECT0-NWO-C, Corps of Engineers, Omaha District, 1616 Capital Ave., Omaha, NE 68102-4901; (1) 402-995-2060; E-mail: email@example.com.
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