This Solicitation opportunity from California was posted on August 18, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Secondary Sedimentation Basins Upgrade - Flights & Chains Purchase, Delivery & Installation Support

Closed

26-RFP-035State & Local

Submission Closed09/08/2026, 10:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

Active Opportunities Like This One

NAICS: 237990

New

SLED

ADVANCE NOTICE: Rail Modernization Program

Solicitation # WMATA-0000010871

The Washington Metropolitan Area Transit Authority has issued an advance notice for the Rail Modernization Program under solicitation number WMATA-0000010871. This solicitation is categorized under NAICS code 237990, indicating a focus on specialized trade contractors for rail and transit infrastructure improvements. The notice was posted on October 21, 2026, with a response deadline set for September 30, 2027. Interested parties can find further details and manage their bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

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ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

Solicitation # alta-riverview-kings-canyon-high-well-drilling-phase

The Kings Canyon Unified School District is soliciting bids for Project No. 1000316-001C, which involves the well drilling phase for Alta, Riverview, and Kings Canyon High schools. The project scope covers multiple locations across Reedley, Parlier, Dinuba, and Fresno, California. This solicitation is categorized under NAICS code 237990 and is specifically set aside for various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by the deadline of November 10, 2026. The primary point of contact for this opportunity is Jennah Castagna. This project represents a targeted effort to improve water infrastructure across the district's high school facilities through specialized drilling services.

Anthony J. Prieto Water Well Drilling, Inc.

POSTED

DEADLINE

ARWA Carrizo System Expansion: Well Drilling

Solicitation # arwa-carrizo-system-expansion-well-drilling

The Alliance Regional Water Authority is seeking bids for the Carrizo System Expansion project focusing on well drilling services located in Rosanky, Texas. This solicitation, identified as ARWA IFB Number 2026-001, is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. The opportunity is specifically set aside for Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 3, 2026. Primary coordination for this contract is handled by Amy Majors, who serves as the point of contact for the procurement process.

Hydro Resources - Mid Continent, Inc.

POSTED

DEADLINE

Construction of The Recharge Master Plan Update (RMPU) Basin Improvements Project - Montclair Basin Improvements

Solicitation # construction-recharge-master-plan-update-rmpu-basin-improvements-project-montclair-basin

Empire Equipment Service, Inc. is soliciting quotes for the Construction of The Recharge Master Plan Update Basin Improvements Project, specifically focusing on the Montclair Basins 2 and 3 Diversion Improvements at the San Antonio Creek Channel in Montclair, California. This project is being conducted for the Inland Empire Utilities Agency and falls under NAICS code 237990. The opportunity is specifically seeking certified DBE and DVBE subcontractors and suppliers, with set-asides available for various small business categories including Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. Interested parties must submit their responses by November 5, 2026. Primary inquiries and quotes should be directed to Gio Marquez via the provided estimating email or phone contact.

Empire Equipment Service, Inc.

POSTED

DEADLINE

Site Compliance and Improvements - Patton Landing

Solicitation # site-compliance-improvements-patton-landing

The State of California Department of General Services is seeking bids for the Site Compliance and Improvements project at Patton Landing, located in Carnelian Bay, Placer County, California. This solicitation, identified by Project Number 13891 and Event ID 0000040533, focuses on site compliance and infrastructure enhancements under NAICS code 237990. The opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 10, 2026. Primary coordination for this project is managed through Nayvi Waite at Resource Development Company LLC.

Resource Development Company LLC

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DEADLINE

The Port of Lake Charles in Louisiana is soliciting bids for the Industrial Park East Rail Extension and Trans-loading Yard project, identified as contract CP25014. This SLED organization opportunity is focused on infrastructure development within the state of Louisiana to expand rail capabilities and loading facilities. Interested parties must submit their responses by the deadline of November 19, 2026, at 4:00 PM. The solicitation was officially posted on October 13, 2026, and further details regarding the submission process can be accessed through the Bid Express portal.

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Scow Bay Boat Haul Out

Solicitation # 49218

The Scow Bay Boat Haul Out project, issued by the Petersburg Borough in Alaska, involves extensive marine and civil construction. The scope of work includes the installation of a shot rock embankment, armor rock, and a concrete haul out ramp, along with steel piles and a timber boarding float. Additional infrastructure requirements encompass a concrete wash down pad, storm drains, water services, gravity and pressure sewer lines, a sewer pump station, power pedestals, area lighting, and a wood framed utility building. Interested bidders must submit their proposals electronically via Bidexpress.com. The deadline for all submissions is 2:00 p.m. prevailing time on Tuesday, October 27, 2026. Following the deadline, bids will be opened and read publicly in the Borough Assembly Chambers and via Zoom.

Petersburg Borough, AK

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DEADLINE

Design and Construction of Levee Access Manholes for Fairfax-Jersey Creek Levee Unit (Kansas City, Kansas)

Solicitation # W912DQ26RA065

The U.S. Army Corps of Engineers, Kansas City District, is soliciting design-build construction services for the installation of access manholes at the Fairfax-Jersey Creek Levee Unit on the Missouri River in Kansas City, Kansas. The project scope involves designing and constructing manholes, with estimated depths between 10 and 25 feet, to facilitate the video inspection of approximately 27,000 feet of existing perforated corrugated metal seepage collector pipe. To maintain levee integrity, the government strictly prohibits invasive mass excavation methods such as trenching, requiring the use of minimally invasive excavation techniques. Key deliverables include a Drilling and Invasive Program Plan approved by a licensed professional engineer or geologist, temporary flood protection plans, and final as-built drawings. This is a firm-fixed-price contract with an estimated magnitude between $1,000,000 and $5,000,000, though the total award amount shall not exceed $3,400,000. The acquisition is categorized under NAICS code 237990 with a small business size standard of $45 million. The selection process is conducted in two phases; Phase 1 focuses on qualifications and technical approach without pricing, from which up to three qualified offerors will be selected for Phase 2. Evaluation factors include design concepts, performance confidence, technical approach and qualifications, and small business participation, with non-price factors being significantly more important than price. Proposals must be submitted via the PIEE Solicitation Portal and adhere to strict documentation requirements, including the use of specific government templates for vendor information, experience, and technical qualifications.

W071 Endist Kansas City

POSTED

DEADLINE

PASS-A-GRILLE-PASS, MAINTENANCE DREDGING, PINELLAS COUNTY, FLORIDA

Solicitation # GROUP1-27-R-J001

Solicitation GROUP1-27-R-J001 is a total small business set-aside for maintenance dredging at Pass-a-Grille Pass in Pinellas County, Florida, issued by the U.S. Army Corps of Engineers, Jacksonville District. This firm fixed price task order is limited to contractors previously awarded under solicitation W912EP25R0010. The scope of work involves excavating material from the pass and transporting it to the Pass-a-Grille Beach Placement Area located north of the channel. Hopper dredging is strictly prohibited. Incidental requirements include environmental and water quality monitoring, beach fill quality control, tilling, vibration monitoring, and Munitions and Explosives of Concern construction support. The project has a price target range between $5,000,000 and $10,000,000, with a performance period of 120 calendar days following the Notice to Proceed, and work must commence within 60 calendar days of that notice. The government will utilize the Lowest Price Technically Acceptable process for award, evaluating offerors based on the technical acceptability and availability of their identified dredge and their past performance under the associated MATOC. Proposals must be submitted in PDF format via the PIEE Solicitation Module by 2:00 PM EST on November 20, 2026. Key compliance requirements include adherence to the Davis-Bacon Act, the provision of performance and payment bonds within 10 days of award, and the submission of qualified bird monitor credentials. Technical specifications require beach fill to be clean sand free of debris or toxic materials, with strict monitoring at both the borrow and placement areas to ensure quality standards are met.

W074 Endist Jacksnvlle

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JOHN DAY DAM NAVIGATION LOCK TAINTER VALVE (TV) REPAIRS TV3 AND TV4

Solicitation # W9127N27BA009

POSTED

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Maintenance Dredging of the Isle au Haut Thoroughfare near Isle au Haut, Maine

Solicitation # W912WJ27BA003

Solicitation W912WJ27BA003 is a sealed bid invitation for the maintenance and advance maintenance dredging of the Isle au Haut Thoroughfare Federal Navigation Project in Maine. This 100 percent small business set-aside project, under NAICS 237990, has an estimated value between 1 million and 3 million dollars. The scope of work involves the mechanical removal of approximately 3,355 cubic yards of highly compacted coarse sand, gravel, cobbles, and small boulders to achieve a depth of -7 feet Mean Lower Low Water, with an allowable overdepth bringing the maximum depth to -8 feet. All dredged material must be transported and disposed of at the Flake Island Ocean Disposal Site, located approximately 0.9 nautical miles northwest of the project site. Performance is restricted to an environmental window between September 15, 2026, and March 1, 2027, to protect benthic resources and federally managed species. The contractor is required to maintain a production rate of at least 4,000 cubic yards every 30 calendar days, operating 24 hours a day and seven days a week. Award will be based on the lowest price for the total estimated amount of mobilization and dredging line items, with a 10 percent price evaluation preference for HUBZone small business concerns. Key requirements include the provision of performance and payment bonds, the submission of a Contractor Quality Control Plan, and the hosting of a partnering session within 45 days of award. All proposals must be submitted electronically via the Procurement Integrity Enterprise Environment portal.

W2SD Endist New England

POSTED

DEADLINE

Y1PZ--Fort Sill NC Gravesite Expansion and FCA Deficiencies 920CM3006

Solicitation # 36C78626B0030

Solicitation 36C78626B0030 is a Firm-Fixed-Price construction project for the Department of Veterans Affairs, National Cemetery Administration, focused on gravesite expansion and the repair of Facility Condition Assessment deficiencies at Fort Sill National Cemetery in Elgin, Oklahoma. The project scope includes the installation of 3,554 pre-placed burial crypts, asphalt assessment and reporting, and various facility improvements such as stone veneer repair, electrical site work, irrigation system replacements, and renovations to the Administration Building, Committal Shelters, and Honor Guard room. The estimated project magnitude is between 10 million and 20 million dollars, with a performance period of approximately 18 months from the notice to proceed. This procurement is a 100 percent set-aside for Service-Disabled Veteran-Owned Small Businesses, requiring offerors to be verified through the SBA VetCert database. Award will be based solely on price, evaluated by combining the base requirement with all applicable options. The contract is subject to the Davis-Bacon Act and the Buy American Act, with specific prevailing wage rates established for Comanche County, Oklahoma. Bidders must provide a bid guarantee of 20 percent of the bid price or 1 million dollars, whichever is less, and submit a single PDF proposal containing a company cover letter, completed SF 1442, Schedule B pricing, a cost estimate worksheet, signed amendments, and a digital bid bond.

National Cemetery Administration (36C786)

POSTED

about 22 hours ago

DEADLINE

in 7 days

AI Contract Overview

West County Wastewater District, a political subdivision of California serving approximately 100,000 residents, is soliciting proposals under RFP 26-RFP-035 for the Secondary Sedimentation Basins Upgrade. The project requires a qualified vendor to design, fabricate, test, and deliver two sets of chain and flight clarifier equipment, including motors, control panels, and associated appurtenances, for Secondary Sedimentation Basins No. 1 and No. 2. The scope of work extends beyond procurement to include the provision of shop drawings, installation support, field services, and commissioning to ensure a successful handover to the district's installation contractor. The contract is structured around specific delivery milestones, with equipment for SSB-01 due by January 25, 2027, and SSB-02 due by June 25, 2027. All goods are delivered F.O.B. Destination to the Water Quality Resource Recovery Plant in Richmond, California. Award selection is based on a weighted evaluation of price reasonableness (30%), commitment to delivery milestones (30%), qualifications and experience (20%), and project approach and methodology (20%). Proposers must provide three professional references, three years of audited financial statements, and a California Levine Act compliance statement. Final acceptance is contingent upon the equipment being installed, tested, and placed into operation in accordance with industry standards and ASCE 7 seismic requirements.

General Info

West County Wastewater District seeks equipment and installation for two secondary sedimentation basins.

Agency

California → Infrastructure and Planning

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

CA, USA

Set-Aside

NONE

Documents

24-RFP-SAMPLE - Goods and Equipment RFP

19 pages · rfp

High

26 RFP035 - Secondary Sedimentation Basins Upgrade Flights & Chains

26 pages · rfp

High

Chain and Flight Equipment Procurement Documents - Final July 2026

sow

High

Chain and Flight Equipment Procurement Documents – Secondary Sedimentation Basins Upgrades Project

sow

High

Goods and Services Agreement - Secondary Sedimentation Basins Upgrade

16 pages · contract-document

High

Goods and Services Agreement - Secondary Sedimentation Basins Upgrade

14 pages · contract-document

High

RFP 26-RFP-035 Price Proposal Form for Secondary Sedimentation Basins Upgrade

2 pages · price-proposal-form

High

RFP 26-RFP-035 Proposal Cover Form - Secondary Sedimentation Basins Upgrade

3 pages · proposal-cover-form

High

RFP 26-RFP-035 Secondary Sedimentation Basins Upgrade

26 pages · rfp

High

26-RFP-035 Secondary Sedimentation Basins Upgrade Levine Act Statement

1 page · levine-act-statement

Low

Form 2 Reference Form for Contracting References

1 page · reference-form

Low

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedAug 18

Solicitation

Response DeadlineSep 8

Deadline has passed

Submission Closed

09/08/2026, 10:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Infrastructure and Planning

Contacts2 people available

OfficeRichmond, CA, 94806, USA

Organization / AgencyCalifornia → Infrastructure and Planning

Office AddressRichmond, CA, 94806, USA

Contacts

Mohammed MasoudProject Manager

contact@example.gov

+1 (555) 000-0000

Maria BagleyFINANCE MANAGER

contact@example.gov

+1 (555) 000-0000

Interested Companies (17)

Fairfield Service Company of Indiana

Dodge Construction NetworkGrand Prairie, TX

contra costa complianceConcord, CA

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Full Description

WCW provides wastewater collection and treatment services to approximately 100,000 residents. WCW is a political subdivision of the State of California and operates as an independent special district. WCW's current political boundaries are comprised of the City of San Pablo, a portion of the City of Richmond, a portion of the City of Pinole, and some unincorporated areas within western Contra Costa County. WCW's system includes 249 miles of gravity sewer pipelines, 17 lift stations, 6 miles of pressurized force mains, and a water quality resource recovery plant with a National Pollutant Discharge Elimination System (NPDES) permitted capacity of 12.5 million gallons per day.

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