This Solicitation opportunity from California was posted on August 15, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Various Plant Plumbing Improvements Project

Closed

20260814006State & Local

Submission Closed09/24/2026, 09:00:00 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: 237110

New

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 Redesign Project in Kerman, California. This comprehensive infrastructure project involves the demolition of existing facilities and the draining of multiple lagoons and ponds. Key construction elements include a new headworks facility with mechanical screening, a new influent eccentric manhole, a concrete flow meter vault, and the replacement of influent pumps and surface aerators. Additionally, the scope covers the installation of a sludge dewatering pipeline and ponds, a reinforced concrete pad for an emergency generator, and a new CMU operations and electrical building equipped with HVAC, plumbing, and testing infrastructure. The project also requires the implementation of a facility-wide PLC/SCADA monitoring system and various civil improvements such as asphalt resurfacing, grading, and piping. This solicitation is open to small businesses and certified DBE, MBE, and WBE firms across a wide range of NAICS codes related to heavy and civil engineering construction. Interested parties must submit their responses by October 21, 2026. Primary coordination for this opportunity is handled by Christina Pauls at GSE Construction Co., Inc.

GSE Construction Co., Inc.

POSTED

DEADLINE

Recharge Master Plan Update (RMPU) Basin Improvements Project Montclair Basin Improvements

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

The Recharge Master Plan Update Basin Improvements Project focuses on infrastructure enhancements within the Montclair Basin located in San Bernardino County, California. Managed by the Inland Empire Utilities Agency and administered through Big Ben Engineering, this solicitation is identified by contract number IFB-JV-26-015 and falls under NAICS code 237110 for heavy and civil engineering construction. This opportunity is specifically set aside for small businesses. Interested parties must submit their responses by the deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi, who serves as the main point of contact for the solicitation.

POSTED

DEADLINE

Village of Roanoke, IL Sanitary Sewer Lining Improvements

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

SAK Construction, LLC has issued a request for quotes for the Village of Roanoke, IL Sanitary Sewer Lining Improvements project. This solicitation specifically targets Minority Business Enterprises (MBE) and Women Business Enterprises (WBE) for subcontracting opportunities. The scope of work involves sanitary sewer lining improvements, with specific subcontracting needs including sewer cleaning and CCTV inspection, traffic control, and bypass pumping. The project is classified under NAICS code 237110 and will be performed in Illinois. Interested parties must submit their bids by the deadline of October 22, 2026, at 12:00 PM local time, with all negotiations required to be finalized by October 21, 2026. Detailed plans, specifications, and contract documents can be obtained through Karen Sheldon at HMG Engineers, Inc. or by contacting the SAK Estimating Department at bidcippc@sakcon.com. Matt Hirtz is listed as the primary point of contact for this solicitation.

SAK Construction, LLC

POSTED

DEADLINE

Alvarado Trunk Sewer Ph IV and Water Main Relocations Bid Package A, Contract K-27-2470-DBB-3-C

Solicitation # K-27-2470-DBB-3-C

Flatiron Dragados Constructors, Inc. has issued an Invitation to Bid for the Alvarado Trunk Sewer Phase IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, for the City of San Diego. This solicitation seeks quotes from subcontractors and suppliers for various scopes of work, including aggregate supply, paving, electrical, and pipe supply. The project is funded through CASRF and EPA resources and is designated as a Women-Owned Small Business (WOSB) and Disadvantaged Business Enterprise (DBE) set-aside. All bids must remain valid for 120 days from the submission deadline, which is October 28, 2026, at 2:00 PM. Quotes must be submitted via email to socalbids@fdcorp.com or via fax to (858) 271-1330. Prospective bidders must adhere to several strict regulatory and administrative requirements. The project is subject to a Project Labor Agreement (PLA), and all subcontractors are required to possess a valid California contractor's license and be registered with the California Department of Industrial Relations in accordance with Public Contract Code Section 1725.5. Flatiron Dragados Constructors, Inc. reserves the right to require payment and performance bonds equal to 100% of the contract value, with bond premium reimbursements capped at 3% of the contract value. All bonds must be issued by a surety authorized to conduct business in the State of California. For inquiries, the primary point of contact is Veronica Garcia, Lead Estimating Admin.

Flatiron Dragados Constructors, Inc.

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 support the installation of water and wastewater services for a new Guard Post facility at Building 2805, located at 48202 Bronson Road in Patuxent River, Maryland. This project falls under NAICS code 237110 and is specifically designated as a set-aside for various small business categories, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses. The solicitation was posted on September 30, 2026, with a response deadline set for October 16, 2026. Interested parties should coordinate with the primary point of contact, Tomeika McClean, to submit their proposals for this infrastructure project.

Patuxent River Utility Services, LLC

POSTED

DEADLINE

Solicitation # wc-1463

Spiniello Companies is seeking quotes from 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 within Maryland and is open to various small business designations, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned Small Businesses. While the primary NAICS code is 237110, 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

Sanitary Sewer Improvements Project

Solicitation # sanitary-sewer-improvements-project

The Sanitary Sewer Improvements Project in Alabama is a construction effort managed by Cleary Construction, Inc. under NAICS code 237110. The scope of work involves 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 asphalt paving, electric, hauling, concrete work, 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 no later than 24 hours prior to the bid deadline of October 7, 2026, at 2:00 pm CST. Detailed plans and specifications are available through the Cleary Construction Plan Room and a provided Sharefile link.

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. This solicitation is managed by W.M. Lyles Co. and falls under NAICS code 237110. The project is open to various set-aside categories, including Small Business, Disadvantaged Business Enterprise, Disadvantaged Veteran Business Enterprise, Minority Business Enterprise, and Woman Business Enterprise. Interested parties must submit their responses by the deadline of October 21, 2026. The primary point of contact for this opportunity is Scott Fults, who can be reached via email at cdobids@wmlylesco.com or by phone at 661-679-1164.

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 ductile iron pipe water mains, including gate valves, fittings, water services, and fire hydrant assemblies, as well as the abandonment of existing water mains on Walnut Street, Ebony Lane, and 247th Place. W.A. Rasic Construction Company, Inc., acting as the prime contractor, is soliciting subcontractor quotations for various trades to support this infrastructure work. Required services include waterworks, hot taps, ready-mix concrete, PCC and AC paving, AC grind and cap, striping, traffic control, trucking, and soil and material testing. Subcontractors must hold a valid California Contractors License and be registered with the Department of Industrial Relations in accordance with Section 1725.5 of the Public Contract Code. Selected firms will be required to execute the prime contractor's standard subcontract agreement and meet general insurance requirements. W.A. Rasic Construction Company reserves the right to require payment and performance bonds totaling 100% of the subcontractor's bid, with bond premiums reimbursable up to 1.5%. The solicitation specifically encourages participation from DBE, MBE, WBE, and SBE firms, including the formation of consortia for larger contract portions. All quotations must be submitted to Matt Metoyer by the deadline of October 19, 2026, at 1:00 PM.

W.A. Rasic Construction Company

POSTED

DEADLINE

Solicitation # greenfield-wwtp

The City of Greenfield is seeking bids for the Greenfield WWTP project located in Monterey, California, under contract number 2026-03. This solicitation is being managed by Clark Bros., Inc., with Saif Misbah serving as the primary point of contact. The project falls under NAICS code 237110, focusing on water and sewer infrastructure. The opportunity is specifically set aside for small businesses, including Small Disadvantaged Businesses, Women-Owned Small Businesses, HUBZone Small Businesses, and Veteran-Owned Small Businesses. Interested parties must submit their responses by the deadline of October 28, 2026.

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, California. This solicitation, identified by contract number 25-000427, focuses on water purification infrastructure under NAICS code 237110. The procurement process is managed by W.M. Lyles Co., with Scott Fults serving as the primary point of contact. 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 Woman Business Enterprises.

POSTED

DEADLINE

Northside High School Area – Sanitary Sewer Rehabilitation in Houston, TX

Solicitation # northside-high-school-area-sanitary-sewer-rehabilitation-houston-tx

PM Construction & Rehab, LLC has issued an Invitation to Bid for a sanitary sewer rehabilitation project located in the Northside High School Area of Houston, Texas. This solicitation is specifically set aside for S/M/WBE certified firms. The comprehensive scope of work encompasses several critical infrastructure needs, including bypass and dewatering, traffic control, the provision of materials and suppliers, paving with asphalt and concrete, landscaping, and CCTV cleaning services. The project falls under primary NAICS code 237110, with additional applicable codes including 561990, 237310, 238110, 561730, and 562998. Interested certified firms must submit their quotes by October 6, 2026, with the final bid deadline set for October 8, 2026. Ashden Middlebrooks serves as the primary point of contact for all inquiries regarding specifications, plans, and general questions. While the estimated contract value is not specified in the solicitation documents, the project requires specialized expertise in sewer rehabilitation and associated civil works to ensure the successful restoration of the sanitary system in the designated Houston area.

PM Construction & Rehab, LLC

POSTED

about 10 hours ago

DEADLINE

in 5 days

AI Contract Overview

The Various Plant Plumbing Improvements Project (Project No. PPL012), solicited by the Vallejo Flood and Wastewater District, involves comprehensive plumbing and electrical upgrades at the Vallejo Wastewater Treatment Plant. The scope of work includes replacing chemical feed pumps for the SHC and SBS systems, rebuilding the distribution piping header, and replacing the Lime Slurry Loop piping using Victaulic couplings. Additionally, the project requires the installation of a duplex pump station for the Administration Building and the placement of a modular restroom building with all necessary power, water, and sewer connections. The estimated construction cost is 1,093,000 dollars, with a designated completion timeframe of 200 working days. The contract will be awarded to the lowest base bid. Eligible prime contractors must hold a valid California Class A General Engineering license and be registered with the Department of Industrial Relations. Bidders are required to submit electronic proposals by September 24, 2026, and must purchase a complete set of bid documents from BPXpress Reprographics to be considered responsive. The project is subject to California prevailing wage laws and apprenticeship requirements under the California Labor Code. Primary project coordination is managed by Bill Ash.

General Info

Vallejo Flood and Wastewater District plumbing improvements project. Deadline: September 24, 2026.

Agency

California → VALLEJO FLOOD & WASTEWATER DISTRICT

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

Vallejo, CA, 94590, USA

Set-Aside

NONE

Documents

(5)

PPL012 Vallejo Flood and Wastewater District Various Plant Plumbing Improvements Project Plans August 2026

PDF•specifications

PPL012 Various Plant Plumbing Improvements Project Bid Form and Schedule

PDF•bid-form

PPL012 Various Plant Plumbing Improvements Project Notice Inviting Bids

PDF•ifb

PPL012 Various Plant Plumbing Improvements Project Specifications

PDF•specifications

PPL012 VFWD WWTP Misc Plant Upgrades Part B - Certification of Bidder's Experience and Qualifications

PDF•qualification-form

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedAug 15

Solicitation

Response DeadlineSep 24

Deadline has passed

Submission Closed

09/24/2026, 09:00:00 PM 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

AgencyCalifornia → VALLEJO FLOOD & WASTEWATER DISTRICT

Contacts1 person available

OfficeN/A

Organization / AgencyCalifornia → VALLEJO FLOOD & WASTEWATER DISTRICT

Office AddressN/A

Contacts

Bill Ash

contact@example.gov

+1 (555) 000-0000

Full Description

Bid #PPL012: $18

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