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Under the contract, Okay Construction provided all specialized equipment to install the transmission and distribution line through extremely wet soil and rugged terrain.
In addition, portions of the new GRE Wilson Lake substation were completed by Okay Construction’s crews.
Okay Construction will provide all installation services including foundation construction, structure installation, aerial and ground construction and power line stringing.
Location: Northern Minnesota Completion Date: 2009 Construction of approximately 15 miles of 115 k V-795 ACSR transmission infrastructure with 7.2k V distribution underbuild.
This project was located in a high traffic urban area and was completed on schedule and under the GRE’s budget.
Location: Apple Valley, Minnesota Completion Date: 2007-2008 Construction of a new 10 mile, single-circuit, 69 k V transmission line that connects the GRE’s Elk River power plant to Zimmerman Substation.
This critical line, which feeds into Grand Folks North Dakota, has to be upgraded due to deterioration.
Location: Minnesota/Canada boarder region Completion Date: 2010 As an extension of the Long-Lake Badoura 155k V project, this 16-mile transmission tie line entailed installing steel H-Structure poles in challenging terrain, the 115k V line consisted of a single circuit 795 ACSR conductor and multiple waterway crossings.Okay Construction’s work will contribute to GRE’s approved plans to expand transmission infrastructure through several new and upgraded transmission line projects in the Minneapolis Metro Area. Completion Date: 2008 New construction, maintenance of an existing 115k V transmission system, the scope of work included changing out existing poles and reconductoring 4 miles of 4/0ACSR with 477 ACSS.Location: Linwood, Minnesota Completion Date: 2008 Construction of a new 12 mile, single-circuit, 69 k V 4/0 T2 transmission line (wood and steel pole) that connects the GRE’s power grid to multiple new wind farms that are being erected in Southern Minnesota. The old conductor was used to pull in the new conductor in areas with distribution underbuild and other foreign utilities.Okay Construction provides transmission infrastructure services to Great River Energy and is considered their primary transmission contractor in Minnesota.Okay Construction has performed various infrastructure services for GRE over the past 20 years, including a variety of transmission, distribution, substation and storm recovery projects.