Continuously Operating Reference Stations - Various Locations Across Kansas

The Kansas Department of Transportation is requesting proposals for the installation and setup of Continuously Operating Reference Stations (CORS) at 18 designated locations across Kansas, with proposals due June 17, 2026 at 1:00 p.m. local time and bid opening at 3:00 p.m. at the Eisenhower State Office Building in Topeka. KDOT has issued Addendum 1 (correcting a typographical error and introducing special provision 08-12-24-R01) and Addendum 2 (revising CORS unit cost requirements), both posted May 29, 2026; contractors must acknowledge receipt of Addendum 2 and sign, date, and email the acknowledgment to Joshua Matyi at Joshua.Matyi@ks.gov or face bid rejection.

CORS installations are required at Anthony, Emporia, Eureka, Fort Scott, Hill City, Hutchinson, Iola, Leavenworth, Marion, Norton, Pittsburg, Salina, Sedan, Scott City, Seneca, Troy, Washington, and Winfield. The scope includes site preparation, equipment installation, materials delivery, mobilization, clearing and grubbing, surfacing material totaling 14 tons, and geotextile fabric covering 79 square yards. The contract is structured as a lump sum bid with required unit cost schedules for each individual CORS item; contractors must submit a completed unit cost spreadsheet no later than noon on the Friday following the letting date, with the sum of unit costs multiplied by quantities not to exceed the lump sum bid price.

The earliest start date is October 5, 2026, and the latest start date is March 22, 2027. The total contract period is 80 calendar days with 60 restricted days for opening to unrestricted traffic. The project is funded entirely by state funds. Contractors must be prequalified with KDOT and submit electronic proposals through the Bid Express website using AASHTO Project Bids software. At award, contractors must provide a current Tax Clearance Certificate from the Kansas Department of Revenue and execute the contract within ten business days. Prevailing wage rates vary by county and classification as determined by the U.S. Department of Labor; contractors must comply with Executive Order 13706 (paid sick leave) and Executive Order 13658 (minimum wage). Contract documents including Standard Specifications (2015 Edition), plans, special provisions, and unit price lists are available on KDOT's website at http://www.ksdot.org.