The City of Sumner will accept Sealed Bids at the Permit Center counter located on the second floor of Sumner City Hall, 1104 Maple Street, Sumner, WA 98390, until 1:00 p.m. Thursday, November 13, 2025 (Bid Opening Date) as displayed at https://www.time.gov/. If a Bidder chooses to submit a sealed bid before the Bid Opening Date, the Bidder shall call to schedule an appointment to deliver their bid. A staff member will be present at the Permit Center counter on the Bid Opening Date to receive sealed bids between 11:00 a.m. and 1:00 p.m. Just after 1:00 p.m. on the Bid Opening Date, bids will be formally opened and publicly read aloud in the City Council Chambers, located on the first floor of Sumner City Hall. Bids received after the Bid Opening Date will be deemed non-responsive.
A pre-bid meeting will be held on Thursday, October 23, 2025 at 10:00 a.m. at the project site located at 13114 63rd Street East in Sumner, Washington 98390. Prospective bidders are encouraged to participate. Attendance of the pre-bid conference is voluntary.
The City of Sumner reserves the right to waive informalities in the bidding, accept a bid proposal of the lowest responsible and responsive bidder (Successful Bidder), reject any or all Bids, republish the Call for Bids, revise or cancel the scope of work, or require the work to be done in another way if doing so is in the best interest of the City.
All submitted bids shall be accompanied by a bid proposal deposit (certified or cashier’s check or approved bond) payable to the City of Sumner in an amount not less than five percent (5%) of the amount of the proposal price. Should the Successful Bidder fail to enter into a contract with the City and furnish a satisfactory performance bond within the time stated in the specifications, the bid proposal deposit shall be forfeited to the City of Sumner.
The City of Sumner, in accordance with the provisions of Title VI of the Civil Rights Act of 1964 (78 Stat. 252, 42 U.S.C. 2000d to 2000d-4) and the Regulations, hereby notifies all bidders that it will affirmatively ensure that in any contract entered into pursuant to this advertisement, disadvantaged business enterprises will be afforded full and fair opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, or national origin in consideration for an award.
The Successful Bidder will be required to conform to the wage requirements prescribed by the federal Davis-Bacon and Related Acts which requires that all laborers and mechanics employed by contractors and subcontractors performing on contracts funded in whole or in part by SRF appropriations in excess of $2,000 pay their laborers and mechanics not less than the prevailing wage rates and fringe benefits, as determined by the Secretary of Labor, for corresponding classes of laborers and mechanics employed on similar projects in the area.
Plans, Specifications, and addenda for this project may be viewed online at the MRSC Roster Bonfire electronic bidding portal at:
https://mrscrosters.bonfirehub.com/portal/?tab=openOpportunites.
Free vendor registration is required to use this platform. It is the Bidder’s responsibility to check for addenda and other new documents online.
The public work for which bids are being accepted is described as follows:
This project will construct upgrades to the solids handling and solids treatment processes at the existing City of Sumner Wastewater Treatment Plant. These improvements will include construction of an expansion to the existing Solids Handling Building, to include the installation of the new indirect biosolids dryer, thermal fluid heaters, and all associated equipment encompassed in the biosolids dryer scope of supply. The Contractor shall be assigned the portions of the executed Contract titled Biosolids Modernization Project Biosolids Drying Equipment Procurement, for the following items as Specified in the Contract: Equipment Supply, Construction Services, and Post Construction Services. The executed Biosolids Drying Equipment Procurement Contract is attached to the City of Sumner Wastewater Treatment Plant Biosolids Modernization Contract Documents as Part IX. The project will also include construction of a temporary haul truck loading bay to facilitate demolition of existing facilities. Modifications to existing treatment systems, structures and processes will include: replacement of the existing thickened primary sludge pumps in the existing Scum Pump Building, demolition of the existing dissolved air floatation thickener and associated equipment in Equipment Building 2 and the installation of a new rotary drum thickener and associated thickened waste activated sludge pumps, replacement of the existing digested sludge pumps, replacement of the existing thickening and dewatering polymer systems and replacement of the existing air gap system in the existing Solids Handling Building. The existing dewatered sludge conveyance system will also be reconfigured including rehabilitation of the existing dewatered sludge storage hopper, modifications to existing conveyors (both temporary and permanent) and installation of new conveyors. Other project elements include the demolition of the existing waste gas burner and the installation of a new digester gas treatment system to include a hydrogen sulfide and moisture removal and digester gas compression, as well as the installation of a new enclosed waste gas flare. In addition, the existing submersible pumps in Plant Drain Pump Station No. 1 will be replaced and the walls of the existing centrate storage tank will be raised six feet. The internal recycle pumps and anoxic zone mixers in Aeration Basins 1 and 2 and the effluent UV disinfection system will also be replaced. The project will also include installation of new and modifications to existing electrical power distribution and control equipment to support the new improvements, including the installation of a new standby generator with subbase fuel tank in a sound attenuating enclosure. Finally, the project will include construction of a new hammerhead on State Street just outside the entrance to the plant and new security fencing and access gates.
Work shall commence within ten (10) calendar days after execution of the contract and the issuance of a notice to proceed; and shall be substantially complete within three hundred ninety (390) working days andphysically complete within four hundred thirty (430) working days.
The Engineer’s estimate range for this project is between $19,000,000 and $20,500,000. For technical questions, please reach out to Courtney Littrell, City of Sumner, at 253‑299‑5710, bids@sumnerwa.gov.
Dated this 3rd day of October 2025.
By: Ryan Johnstone, P.E., Public Works Deputy Director – Operations
Dates of publication in the Courier Herald: October 8 and October 15, 2025
Dates of publication in the Seattle Daily Journal of Commerce: October 8 and October 15, 2025
