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90% recommend BidHits (1098 real users, 09/23/2026).Methodology
USA | CA | SAN MATEO COUNTY | SAN MATEOMidsize City
City Of San Mateo - CA
Anaerobic Digester Cleaning
Biogas and Biosolids Evaluation: Digester 1 Cleaning
Digester 1 cleaning and interior surface preparation Cleaning and interior surface preparation of one existing anaerobic digester ( Digester 1) to support inspection and condition assessment.
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The project involves cleaning and interior surface preparation of Anaerobic Digester 1 for inspection. The contractor must be licensed by the state of California as a Class A contractor. Bids must be submitted by 2:00 p. m. on October 14, 2026. The estimated construction cost is $1,100,000. Bidders must purchase plans and specifications from Barker Blue. Prevailing wage requirements apply.
The bidder must be licensed by the state of California as a class a contractor. the work described requires that the bidder be licensed by the state of california as a class a contractor.
USA | CA | SAN MATEO COUNTY | SAN MATEO | 94404 Midsize City
City Of San Mateo - CA
REBID Biogas and Biosolids Evaluation Digester 1 Cleaning Bid - Engineer' s Estimate: $ 1, 100, 000 | The project consists of the cleaning and interior surface preparation of one ( 1) existing anaerobic digester ( Digester 1) to support inspection and condition assessment. Subsequent repair and coating will be performed under a separate contract. The Owner will execute safe shutdown, pre- draining, and gas purging of the digester. Contractor will remove and dispose offsite all remaining digester contents, h
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The project involves cleaning and interior surface preparation of one existing anaerobic digester (Digester 1) to support inspection. The contractor must remove and dispose of all remaining digester contents offsite. The owner handles safe shutdown, pre-draining, and gas purging. Subsequent repair and coating will be under a separate contract. The bid date is **** at 2:00pm. The estimated value is $1,100,000.
USA | IA | WOODBURY COUNTY | SIOUX CITY | 51101
Small City
City Of Sioux City - IA
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.
CONSTRUCTION MANAGEMENT SERVICES FOR DIGESTER 9 CONSTRUCTION AT WRF The City is requesting proposals from qualified, properly licensed Construction Management ( CM) firms with demonstrated expertise in public works construction oversight, wastewater treatment facility construction, and CM services for complex process mechanical infrastructure. The selected firm will provide comprehensive Construction Management services for the construction of Digester 9 at the Visalia Water Reclamation Facility, located a
Construction Management Services Construction of digester 9 at the Visalia Water Reclamation Facility ( WRF)
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The City of Visalia seeks a qualified Construction Management (CM) firm for the construction of digester 9 at the WRF. The CM will act as the city's representative, providing comprehensive oversight including daily field observation, schedule/cost tracking, inspection coordination, and labor compliance monitoring. The proposal deadline is October 15, 2026, at 2:00 p. m. A nonmandatory virtual proposer conference is scheduled for September 29, 2026. The total estimated project cost is $42. 9M. Firms must be registered with the CA Department of Industrial Relations.
Proposals must be received no later than 2:00 p. m. on Thursday, October 15, 2026. one unbound original, four 4 copies, and one 1 usb drive must be received no later than: 2: 00 p. m. on thursday, october 15, 2026.
The evaluation will consider merit of proposals, submittal thoroughness, knowledge and expertise of CM, firm experience, firm qualifications, and understanding of project. the committee will address the following criteria in evaluation of proposals in order to gauge the ability of a contractorto perform the contract as specified.
Proposing firms must demonstrate substantial experience in construction management for public works infrastructure, including wastewater treatment facilities. proposing firms must demonstrate substantial experience in construction management for public works infrastructure, including wastewater treatment facilities, anaerobic digesters, construction management services for digester 9 construction at the visalia water reclamation facility rfp **** page 12 of 38
Questions must be submitted in writing via email to ***@***. *. * no later than Friday, October 2, 2026 at 4:00 pm. questions may be asked at any time prior to, but no later than friday, october 2, 2026 at4: 00pm
Proposals from unregistered contractors or subcontractors will be rejected as nonresponsive. Bids submitted by unregistered contractors or list unregistered subcontractors will be rejected as nonresponsive.
Digester Cleaning - The City of St. Charles ( â Cityâ ) is requesting bids from qualified contractors for the cleaning and facilitating inspection of two egg- shaped anaerobic digesters and one sludge storage tank.
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Welcome to BidHits.
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Smart search is already enabled and uses artificial intelligence to expand your results, even when the tender uses different words from the ones you searched for.
For each opportunity, you can view a summary, access documents, mark it as a favorite, add private notes, remove what is not relevant, or view it on the map.
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