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Rehabilitation of secondary clarifiers 1 and 2 at the Monroe WWTP Demolition of existing clarifier equipment, installation of new clarifier equipment, weirs and baffles, chlorine feed piping system, wall and floor PRVs, control panels, associated electrical accessories, access walkways and platforms, handrails, mechanism swept- in grout
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Sealed bids for rehabilitation of secondary clarifiers 1 and 2 at Monroe WWTP due October 15, 2026, 2:00 PM local time. Work includes demolition and installation of clarifier equipment, weirs, baffles, chlorine feed piping, PRVs, control panels, electrical accessories, walkways, platforms, handrails, and grout. Electronic documents available from Hazen and Sawyer via contacts. 5% bid bond and performance/payment bonds required. City reserves right to reject any bids and award based on best interest.
Bids must be received by October 15, 2026 at 2:00 PM local time. proposals are to be sealed and stamped sealed bid do not open and bids received after the date and time specified will not be accepted.
The city will award based on the best interest of the city and reserves the right to reject any and all bids.
Bids received after the deadline will not be accepted. bids received at the water resources department after the date and time specified will not be accepted.
USA | IA | WOODBURY COUNTY | SIOUX CITY | 51101
Small City
City Of Sioux City - IA
Clarifier Replacement
WASTEWATER TREATMENT PLANT FACILITY PLAN PHASE 1 IMPROVEMENTS PROJECT - Planned improvements shall include preliminary treatment building upgrades ( mechanical screen replacement, grit equipment replacement, and HVAC improvements), primary clarifiers replacement, new primary sludge pumping station, new intermediate lift station, aeration tank rehabilitation and process improvements ( conversion to three- stage), aeration blower replacement in a new secondary control building, replacement of existing final c
Wastewater treatment plant facility improvements Preliminary treatment building upgrades ( mechanical screen replacement, grit equipment replacement, HVAC improvements), primary clarifiers replacement, new primary sludge pumping station, new intermediate lift station, aeration tank rehabilitation and process improvements ( conversion to three- stage), aeration blower replacement in a new secondary control building, replacement of existing final clarifier mechanisms and structural rehabilitation and handrail replacement, new final clarifier construction, RAS pump station replacement in a new secondary control building, rehab of one anaerobic digester for conversion to sludge storage, plant- wide odor control, new plantwide standby emergency power generators, new WWTP main switchgear replacement, new WWTP SCADA system upgrades, code related improvements for NFPA 820 and other safety related standards, demolition of unused WWTP structures and buildings.
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The project involves planned improvements to a wastewater treatment plant, including upgrades to preliminary treatment, replacement of primary clarifiers, new pumping stations, aeration tank rehabilitation, and various structural and system upgrades. A prebid meeting is scheduled for October 5, 2026. Bids will be opened on October 29, 2026. Bidders must not be on the SAM excluded parties list. Contact information is provided for questions.
A prebid meeting will be held on october 5, 2026 at 9 a. m. at the wastewater treatment plant, **** s. lewis boulevard.
Any bidder or equipment supplier whose firm or affiliate is listed in on the u. s. general services administration excluded parties list will be prohibited from the bidding process.
Rebuild Gravity Thickeners 1, 2, and 3 and Clarifier # 6 at Rocky Creek WRF
Rebuild gravity thickeners and clarifier Rebuild gravity thickeners 1, 2, and 3 and clarifier # 6 at Rocky Creek WRF. This includes replacing three 3' 75 diameter thickener mechanisms and associated components, and clarifier 6. Three 3 aluminum slide gates will also be replaced with stainless steel gates.
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Sealed bids are invited for furnishing all materials, labor, tools, equipment, and appurtenances to rebuild gravity thickeners 1, 2, and 3, and clarifier 6 at Rocky Creek WRF. The bid opening is on October 20, 2026, at 2:00 p. m. Bidders must attend a mandatory pre-bid meeting on October 6, 2026, at 10:00 a. m. All bid questions must be submitted by October 13, 2026. The project will be awarded on a lump sum basis, and 51% of the work must be self-performed by the general contractor. Bidders must purchase contract documents.
The project will be awarded by base bid on a lump sum basis for the performance and completion of all work required by the contract documents.
Bidders must comply with the disadvantaged business enterprise participation requirements specified in the instructions to bidders.
All bidders must attend a mandatory prebid meeting at the rocky creek wrf at **** old gaul city road, maconga at 10:00 a. m. on october 6, 2026.
All bid questions must be submitted to the owner by 10:00 a. m. on october 13, 2026.
Any bid that fails to affix to the outside of its bid envelope the bidders georgia utility contractor license number may be rejected.
Rebuild Gravity Thickeners 1, 2 and 3 and Clarifier # 6 at Rocky Creek WRF
Gravity thickeners and clarifier rebuild Rebuild gravity thickeners 1, 2 and 3 and clarifier # 6 at rocky creek wrf. Replacement of three 3 75 diameter thickener mechanisms and associated components, and clarifier 6. Replacement of three 3 aluminum slide gates with stainless steel gates.
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The project involves rebuilding gravity thickeners 1, 2, and 3 and clarifier #6 at Rocky Creek WRF, including replacing thickener mechanisms and three aluminum slide gates with stainless steel gates. Sealed bids must be submitted to the Macon Water Authority by 2:00 p. m. on October 20, 2026. A mandatory pre-bid meeting is scheduled for October 6, 2026, at 10:00 a. m. at the Rocky Creek WRF. All bidders must attend the pre-bid meeting in its entirety.
Secondary clarifier 3 repairs Repairs to secondary clarifier 3 at the Mason Farm WWTP, including supporting the existing drive mechanism, rebalancing the drive, replacing grout, heating and bending the truss mounting bar, replacing manifold seals, mounting a new fluidizing vane, installing additional counterweights, and ensuring the drive is fully leveled.
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Contractors are solicited to perform all aspects of repairs to secondary clarifier 3 at the Mason Farm WWTP. The scope includes mechanical repairs like rebalancing the drive, replacing seals, and installing counterweights. Proposals must be submitted electronically by September 25, 2026, at 2:00 p. m. EST. Evaluation is based on a best value basis, considering qualifications, safety, technical approach, and cost. A preconstruction conference will be held.
Contractors shall receive compensation as full payment for furnishing materials, labor, tools, and equipment and for performing work under the contract in a complete and acceptable manner.
The warranty shall be for one year from the date of the notice of substantial completion certificate.
This solicitation will be evaluated on a best value basis. award will be made to the firm whose proposal is determined to be most advantageous to owasa, considering qualifications, safety, technical approach, and cost.
Proposers shall demonstrate experience with similar wastewater clarifier rehabilitation projects completed within the past five years.
If cleanup is not complied with, 10% of the succeeding progress payments, in addition to the normal contract retainage, will be withheld from the responsible contractor until such cleanup is performed.
OWASA will make the area available for visits by interested contractors on a case-by-case basis between 8:00 am and 3:00 pm.
Failure to successfully complete the test in six attempts shall be considered sufficient cause for rejection.
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