Site work for a water / sewer project in Ephrata, Washington. Completed plans call for site work for a water / sewer project.

This Contract provides for the improvement of the Multi-Phase Extraction (MPE) System at the Ephrata Landfill to improve treatment performance and reliability. The work includes, but is not limited to, demolition and removal of existing piping, appurtenances, and treatment components; installation of new above-grade PVC and carbon steel piping; wellhead connections for the MPE and Vapor Extraction (VE) systems; installation of new granular activated carbon (GAC) vessels, regenerative blowers, and a heat exchanger; piping and equipment modifications to the Liquid Treatment Train (LTT) and Vapor Treatment Train (VTT) systems; construction of new pipe access paths; and electrical and controls upgrades; and other work, all in accordance with the attached Contract Plans, these Contract Provisions, and the Standard Specifications. All work is being performed under the supervision of the Washington State Department of Ecology in accordance with Agreed Order No. DE 3810 (Amendment No. 3, July 2024), issued under the Model Toxics Control Act (RCW 70A.305). No conditional bid bond will be accepted. All bid proposals shall be accompanied by bid proposal deposit in cash, a certified check, cashiers check, or surety bond payable to Grant County, in an amount equal to five percent (5%) of the amount of such bid proposal. Should the successful bidder fail to enter into such contract and furnish a satisfactory performance bond within the time stated in the specifications, the bid proposal deposit shall be forfeited to Grant County. The Board of County Commissioners of Grant County, Washington, reserves the right to reject any and all bids. The award of the contract, if made, shall be made to the qualified responsive bidder submitting the lowest responsible bid. No bidders may withdraw their bid after the hour set for the opening thereof or before award of contract unless said award is delayed for a period exceeding sixty (60) days from the date of bid opening.