CALL FOR BIDS
WARM MIX ADDITIVE
Notice is hereby given that the Board of County Commissioners of Flathead County, Montana, will receive sealed bids for the supply of Warm Mix Additive for asphalt for the 2026 season.
Bidder is to supply a water-free chemical warm mix additive that allows asphalt mix production to occur at temperatures lower than 260 degrees F and mixture compaction as low as 140 degrees F.
Warm mix additive must be able to be mixed at the asphalt mix plant location without any specialized equipment.
Material must act as both an antistrip and warm mix additive.
Material manufacturer will provide in-field support and asphalt crew training when requested by the County. Material manufacturer will provide technical data to assure the County it is getting a proven warm mix and antistrip additive. Technical data must also include recommended dosage rates, mixing temperature ranges and compaction range temperatures.
Cost of all requested data, in-field support, and training will be included in the bid item’s unit price.
Chemical warm mix additive will be supplied in 2,000 lb. plastic totes.
Estimated amount of asphalt oil to be utilized for the 2026 asphalt season will be approximately 4 tons.
The award of bid will be made to a single vendor. The award of bid will be made on the basis of an overall low bid determined by use of the County's estimated usage. The estimated usage figures are to be used only for the purpose of determining an overall low bid; actual usage for 2026 asphalt season may vary from those estimates.
All pricing is to be by the pound F.O.B. to the Flathead County Asphalt Plant in Kalispell and/or to the Flathead County Shop in Kalispell.
Bid to be from February 1, 2026, through January 31, 2027, or until the County Commissioners call for new bids, with the right to go to the next supplier if material is not available.
Each bidder must deposit with his bid, a bid security in the amount of one-thousand dollars ($1,000.00), to secure the bidder's express covenant that if the bidder is awarded the contract the bidder will, within ten (10) days, enter into a formal contract; or otherwise the bidder will pay to Flathead County the difference between the amount of his bid and the amount for which Flathead County contracts with another party to complete the contract; bid security shall be payable to Flathead County and shall be in the form of lawful money of the United States: a cashier's check, certified check, bank money order or bank draft issued by a Montana bank; or a bid bond executed by a surety corporation authorized to do business in Montana.
All sealed bids, plainly marked as “WARM MIX ADDITIVE BID”, must be in the hands of the Clerk to the Board of County Commissioners, 800 S Main, Room 302, Kalispell, MT, 59901, on or before Monday, January 26, 2026, 4:00 pm. Bids will be opened and read the following morning.
The form of contract and the bid form to be signed are on file and may be obtained at the County Road and Bridge Department or on the Flathead County Website. https://flatheadcounty.gov/department-directory/roads-and-bridges/road-and-bridge-department-annual-contracts-call-bid
The Board of County Commissioners reserves the right to reject any and all bids and to accept the bid deemed to be in the best interest of Flathead County.
The award of a bid will be made solely by the issuance of a letter of award to the successful bidder by the Flathead County Road and Bridge Department.
Dated this 6th day of January 2026.
BOARD OF COUNTY COMMISSIONERS
Flathead County, Montana
By: _/s/Brad W. Abell_________________
Chair, Board of County Commissioners
Publish: January 11 and January 18, 2026