All correspondence must be made through the Vendor Portal. Specifications include, but are not limited to: 1. It is the intent of Douglas County to purchase 30% (Minimum) Magnesium Chloride for a Dust Control to be applied at various locations, lengths and widths in Douglas County, Kansas. 2. The Douglas County Board of Commissioners reserves the right to reject any or all bids or waive technicalities and to purchase the product which in the opinion of the Board is best suited to the work for which it is intended. 3. Application of material is to be made in metered trucks, recently calibrated, with pressurized spray bars capable of applying material at consistent rates and various widths from 12 to 24 feet in one pass. The rate of application shall be controlled by ground speed, capable of applying the solution at consistent rates and various speeds. 4. It is intended that all locations will be treated in two applications. The first application will be applied at 0.3 gallons/square yard. After all locations receive the initial treatment a second application may be applied to all previously treated areas at an estimated rate of between 0.1 and 0.2 gallons per square yard. Douglas County will determine the actual rate of the second application and the estimated quantity required to complete this application once the first application is completed. The quantity shown on the schedule of prices reflects an estimated rate of 0.45 gallons per square yard. 5. Douglas County may make changes in the work required to be performed by the contractor under this contract by making additions thereto, or by omitting work therefrom, without invalidating the contract. No adjustment in unit prices will be allowed, provided the net monetary value of such additive and subtractive changes in quantities of such items of work shall not increase or decrease the original contract amount by more than twenty-five percent (25%). 6. The contractor shall complete this work in an expeditious manner on the dates chosen by Douglas County. A minimum of 9,000 gallons shall be applied daily if weather permits. 7. The bid amount shown shall include any anticipated demurrage and/or fuel surcharge. The amount paid by Douglas County will include the number of gallons delivered and placed at the accepted unit bid price.
