This Solicitation opportunity from Maine was posted on September 26, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Aeration System Upgrade

Closed

P26-14State & Local

Submission Closed11/05/2025, 12:00:00 AM UTC

Contract Overview

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

Active Opportunities Like This One

NAICS: 237110

New

Waterworks Installation & Hot TapsW.A. Rasic Construction Company is seeking a subcontractor for the Waterworks Installation and Hot Taps project to support water infrastructure improvements for the City of Lomita. The selected contractor will be responsible for the installation and replacement of water mains, including the execution of hot taps to connect new lines to existing infrastructure, ensuring the final system is fully installed and tested. Eligible applicants must hold a valid California Contractors License and maintain DIR registration. This subcontract opportunity is set aside for small businesses, including HUBZone, DBE, MBE, and WBE certified entities. Interested parties must submit their responses by the deadline of October 19, 2026.

W.A. Rasic Construction Company

POSTED

DEADLINE

Biola CSD - Wastewater Treatment Plant Improvements (C-06-8155-210), Kerman, CA

Solicitation # biola-csd-wastewater-treatment-plant-improvements-c-06-8155-210-kerman-ca

GSE Construction Co., Inc. is seeking quotes from qualified subcontractors and suppliers for the Biola Community Services District Wastewater Treatment Plant Improvements project in Kerman, California. This comprehensive redesign project involves the demolition of existing infrastructure and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening and compaction units, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. The scope of work further extends to the installation of a sludge dewatering and wasting pipeline with a trailer-mounted pump system and the construction of two soil cement lined sludge dewatering ponds. Additional requirements include a reinforced concrete pad for an emergency generator, a new CMU operations and electrical building equipped with HVAC and plumbing, and a facility-wide PLC/SCADA monitoring system. Miscellaneous civil improvements such as asphalt resurfacing, grading, and piping are also required. This opportunity is open to small businesses and certified disadvantaged, minority, and women-owned enterprises, with a response deadline of October 21, 2026.

GSE Construction Co., Inc.

POSTED

DEADLINE

USACE – St. Louis District MSD Infrastructure Repairs Phase 2

Solicitation # W912P926BA009

SAK Construction, LLC is seeking quotes and expressions of interest from Disadvantaged Business Enterprises for the USACE St. Louis District MSD Infrastructure Repairs Phase 2 project, identified by solicitation number W912P926BA009. This effort is categorized under NAICS code 237110 and will be performed in Missouri. The primary objective is to secure qualified DBE subcontractors to support various infrastructure repair activities. The scope of work specifically includes the cleaning and televising of sanitary sewers, point repairs, manhole construction, manhole rehabilitation, and the implementation of traffic control. Interested parties must submit their responses by the deadline of September 24, 2026, at 9:00 AM local time. Primary contact for this opportunity is Matt Hirtz.

SAK Construction, LLC

POSTED

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

Solicitation # village-roanoke-il-sanitary-sewer-lining-improvements

SAK Construction, LLC is seeking quotes from Minority Business Enterprises and Women Business Enterprises for the Village of Roanoke, IL Sanitary Sewer Lining Improvements project. The scope of work focuses on sanitary sewer lining improvements within Illinois, with specific subcontracting opportunities available for sewer cleaning and CCTV inspection, traffic control, and bypass pumping. Detailed plans and specifications for the project can be obtained through HMG Engineers, Inc. or the SAK Estimating Department. The solicitation is categorized under NAICS code 237110. All negotiations must be finalized by October 21, 2026, as the final project bids are due on October 22, 2026, at 12:00 PM local time. Interested parties should contact Matt Hirtz or the SAK Estimating Department via email at bidcippc@sakcon.com for further information or to request access to the project documents.

SAK Construction, LLC

POSTED

DEADLINE

Directional Drilling Services for B2805 Guard Post

Solicitation # directional-drilling-services-b2805-guard-post

Patuxent River Utility Services, LLC is soliciting bids for directional drilling services to install water and wastewater infrastructure at 48202 Bronson Road in Patuxent River, Maryland. This project is designed to support the construction of a new Guard Post facility at Building 2805. The opportunity is open to various small business categories, including SDB, WOSB, HUBZone, and SDVOSB firms under NAICS code 237110. Interested parties must submit their responses by October 16, 2026. The primary point of contact for this solicitation is Tomeika McClean.

Patuxent River Utility Services, LLC

POSTED

DEADLINE

Solicitation # wc-1463

Spiniello Companies is seeking Minority and Women-Owned Business Enterprises for the City of Baltimore Department of Public Works project titled Urgent Need Water Infrastructure Rehabilitation and Improvements Phase III-FY27. This solicitation focuses on water infrastructure work in Maryland and is open to various small business set-asides, including SDB, WOSB, and HUBZone certifications. The primary NAICS code is 237110, though the project also encompasses codes 237310, 561190, 238910, and 237990. Interested parties must submit their quotes to estimating@spinielloco.com by the response deadline of October 7, 2026. For further inquiries, the primary point of contact is Katherine Snider.

POSTED

DEADLINE

Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1

Solicitation # inland-feedersbvmwd-foothill-ps-intertie-stage-1

The Inland Feeder/SBVMWD Foothill PS Intertie, Stage 1 project, located in Highland, California, involves the installation of extensive water infrastructure for the Metropolitan Water District of Southern California. The scope of work includes furnishing and installing approximately 2,150 linear feet of 54-inch to 66-inch diameter steel pipe and 200 linear feet of 144-inch diameter steel pipe. The project requires the installation of both contractor-furnished and Metropolitan-furnished valves ranging from 54 to 132 inches, as well as tie-ins between 54 and 145.5 inches. Additional deliverables include four surge tanks, two valve vaults, an air compressor yard structure, drainage improvements, electrical upgrades, instrumentation and controls, and various piping systems. Civil works involve the excavation of cobbles and large boulders, welding, disinfection, and surface restoration. This solicitation, issued by James W. Fowler Co., is open to small businesses, including SBA-certified service-disabled veteran-owned, minority, and woman-owned enterprises. Bids are due by September 29, 2026, and all negotiations must be finalized 24 hours prior to the bid opening. The project encourages the use of apprentices and provides specific support for M/W/DBE subcontractors, including assistance with bonding, insurance, lines of credit, and the procurement of equipment and materials. Quality control testing is a required component of the subcontract pricing.

POSTED

DEADLINE

MWD - Inland Feeder/SBVMWD Foothill Pump Station Intertie, Stage 1 (Specification 2049)

Solicitation # mwd-inland-feedersbvmwd-foothill-pump-station-intertie-stage-1-specification-2049

The MWD Inland Feeder/SBVMWD Foothill Pump Station Intertie Stage 1 project involves the installation of extensive steel piping, including 2,150 linear feet of 54 to 66-inch diameter pipe and 200 linear feet of 144-inch diameter pipe. The scope of work encompasses the installation of various contractor and MWD furnished valves, tie-ins, and associated fittings, along with the construction of four surge tanks, two valve vaults, and an air compressor yard structure. Additional requirements include drainage improvements, electrical upgrades, instrumentation and controls, piping systems, and specialized excavation for cobbles and large boulders. The contract also covers welding, disinfection, and surface restoration. This solicitation is managed by W.A. Rasic Construction Company, Inc. for performance in California. It is open to various small business set-asides, including SDB, WOSB, HUBZone, and SDVOSB. The response deadline is September 29, 2026.

W.A. Rasic Construction Company, Inc.

POSTED

DEADLINE

Sanitary Sewer Improvements Project

Solicitation # sanitary-sewer-improvements-project

The Sanitary Sewer Improvements Project, managed by Cleary Construction, Inc., involves comprehensive infrastructure work located in Alabama. The scope of work includes the installation of approximately 4,500 linear feet of 10-inch sewer force main, 2,500 linear feet of 15-inch PVC gravity sewer main, and 700 linear feet of 8-inch PVC gravity sewer main. Additionally, the project requires the construction of a new lift station, a valve vault, and a bypass connection vault, as well as the demolition of three existing lift stations. Cleary Construction is specifically seeking quotes from DBE, MBE, WBE, and Veteran-owned subcontractors and vendors for various trades, including concrete work, electric, hauling, asphalt paving, and traffic control. Interested parties must submit a bid response indicating their intent to bid and provide their certification status. All quotes must be submitted to the estimating department via email or fax by October 7, 2026, at 2:00 pm CST, with a preference for submissions to be received 24 hours prior to the deadline. Primary coordination for the proposal is handled by Chad Thurman.

Cleary Construction, Inc.

POSTED

DEADLINE

Biola Community Services District - Waste Water Treatment Plant Improvements Project (Redesign)

Solicitation # biola-community-services-district-waste-water-treatment-plant-improvements-project-redesign

The Biola Community Services District is seeking proposals for the Waste Water Treatment Plant Improvements Project Redesign located in Biola, Fresno, California. Managed by W.M. Lyles Co., this solicitation is open to various set-aside categories, including Small Business, Disadvantaged Business Enterprise, Disadvantaged Veteran Business Enterprise, Minority Business Enterprise, and Woman Business Enterprise. The project falls under NAICS code 237110 for heavy and civil engineering construction. Interested parties must submit their responses by the deadline of October 21, 2026. Primary inquiries and submissions should be directed to Scott Fults via the provided contact information.

POSTED

DEADLINE

City of Lomita: Zone G Water Main Replacement Project

Solicitation # city-lomita-zone-g-water-main-replacement-project

The City of Lomita Zone G Water Main Replacement Project involves the installation of approximately 4,500 linear feet of new 8-inch DIP water mains, gate valves, fittings, water services, and fire hydrant assemblies, along with the abandonment of existing mains on Walnut Street, Ebony Street, and 247th Place. W.A. Rasic Construction Company, Inc. is soliciting subcontractor quotations for various trades, including waterworks, hot taps, trucking, soil and material testing, and a range of paving services such as ready-mix concrete, PCC and AC paving, AC grind and cap, and striping. The project also requires traffic control services. Subcontractors must hold a valid California Contractors License and be registered with the Department of Industrial Relations per Section 1725.5 of the Public Contract Code. The prime contractor is specifically seeking quotes from DBE, MBE, SBE, and WBE firms and may require payment and performance bonds totaling 100 percent of the subcontractor's bid, with bond premiums reimbursed up to 1.5 percent. All quotations and written verifications of intent to bid must be submitted to Matt Metoyer by the deadline of October 19, 2026, at 1:00 PM. Selected subcontractors will be required to execute the standard subcontract agreement and insurance requirements of W.A. Rasic Construction Company, Inc.

W.A. Rasic Construction Company

POSTED

DEADLINE

Purified Water Replenishment San Jacinto Valley Advances Water Purification Facility

Solicitation # purified-water-replenishment-san-jacinto-valley-advances-water-purification-facility

The Eastern Municipal Water District is seeking bids for the Purified Water Replenishment San Jacinto Valley Advances Water Purification Facility project located in San Jacinto, Riverside, California. This solicitation, identified as contract number 25-000427, is managed by W.M. Lyles Co. and falls under NAICS code 237110 for heavy and power line contractor construction. Interested parties must submit their responses by the deadline of October 20, 2026. The project encourages participation from certified Disadvantaged Business Enterprises, Minority Business Enterprises, and Women Business Enterprises. Primary inquiries and coordination for this opportunity should be directed to Scott Fults.

W.M. Lyles Co.

POSTED

about 11 hours ago

DEADLINE

in 26 days

General Info

Agency

Maine → City of BangorView Agency

NAICS

237110 - Water and Sewer Line and Related Structures ConstructionView NAICS

Place of Performance

ME, USA

Set-Aside

NONE

Documents

(1)

RFP for Reaeration Blowers and Aeration Diffusers at Bangor WWTP

PDF•rfp

AI Contract Breakdown

Uniform Contract Format

Timeline

1 update

PhaseClosed

PostedSep 26

Solicitation

Deadline changedSep 26

Response deadline changed from Nov 5, 2025 to Nov 12, 2025.

Response DeadlineNov 5

Deadline has passed

Submission Closed

11/05/2025, 12:00:00 AM UTC

Find active opportunities like this

Start your free trial to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyMaine → City of Bangor

ContactsNo contacts available

OfficeN/A

Organization / Agency

Maine → City of Bangor

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Bids are requested for the Reaeration Blowers and Aeration Diffusers at the Wastewater Treatment Plant. The project includes replacing reaeration blowers and replacing the aeration diffusers and appurtenances as shown on the drawings and as noted in the specifications.

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Join 750+ contractors already using CLEATUS