Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, October 28 at 2:00 PM ET

Register Free →
CLEATUS
Get CLEATUS

This Government Contract opportunity from California was posted on October 24, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

New Equalization Basin Construction (Option 2)

Closed
State & Local

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
Maintenance of Flows and BypassThis subcontract opportunity, titled Maintenance of Flows and Bypass, is issued by Cleary Construction, Inc. for municipal sewer improvement projects. The selected contractor will be responsible for the diversion of existing sewer flows to support prime contractors, which includes the installation and operation of bypass pumping systems utilizing temporary piping and generators. The primary objective is to ensure a continuous flow of sewage away from active work zones to maintain uninterrupted sewer service during construction while strictly adhering to all health and safety standards for wastewater handling. The solicitation is categorized under NAICS code 237110 and is specifically set aside for small businesses, 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 December 4, 2026.
Cleary Construction, Inc. Cleary Construction, Inc

POSTED

about 6 hours ago

DEADLINE

in about 1 month
NAICS: 237110
New
Sanitary Sewer Pipe InstallationThis subcontract opportunity with Cleary Construction, Inc. involves the open-cut installation of sanitary sewer piping for municipal improvement projects. The scope of work includes the excavation and installation of PVC pipes ranging from 6 to 30 inches in diameter, as well as Ductile Iron Pipe in 18 and 24 inch diameters. The selected contractor is responsible for utilizing appropriate trenching and excavation equipment to deliver fully installed and tested sanitary sewer main lines that adhere to standard installation specifications. The project is designated as a small business set-aside, welcoming applications from SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties must submit their responses by December 4, 2026. This effort falls under NAICS code 237110 and is focused on critical infrastructure improvements.
Cleary Construction, Inc. Cleary Construction, Inc

POSTED

about 6 hours ago

DEADLINE

in about 1 month
NAICS: 237110
New
IEUA RMPU Basin Improvements Project Montclair Basin Improvements
Solicitation # ieua-rmpu-basin-improvements-project-montclair-basin-improvements
The IEUA RMPU Basin Improvements Project involves construction improvements at Montclair Basin 2 and 3 in Chino, California. The primary objective is to divert available storm flows from the San Antonio Creek Channel into existing basins to facilitate groundwater recharge for the Inland Empire Utilities Agency. The scope of work is comprehensive, requiring all materials, labor, tools, equipment, and transportation necessary to furnish, install, commission, and deliver a fully functional system. Norstar Plumbing and Engineering, Inc. is seeking certified DBE, MBE, SBE, and WBE subcontractors and suppliers to support various specialty trades. Key work activities include civil and site work such as grading, demolition, saw cutting, cold planing, and trucking, as well as infrastructure needs including concrete structures, concrete pipe, welding, and electrical work. Additional support services required include traffic control, SWPPP, construction surveys, and preconstruction video. Bids for this solicitation are due by October 29, 2026, at 2:00 PM.
Norstar Plumbing and Engineering, Inc

POSTED

about 6 hours ago

DEADLINE

in about 12 hours
NAICS: 237110
New
Morgans Branch Force Main and Pump Station Improvements
Solicitation # SRP-W-134-0290
The Morgans Branch Force Main and Pump Station Improvements project for the City of Belmont in North Carolina involves the construction of 16,435 linear feet of new 20-inch ductile iron force main and extensive upgrades to the existing Morgans Branch Pumping Station. Key infrastructure work includes the installation of a new wet well, valve vault, and associated appurtenances, as well as the demolition of existing pumps and piping. The scope further encompasses the installation of mechanical and electrical systems, including pumps, a generator, and odor control equipment, along with gravity sewers, manholes, stormwater facilities, and site restoration. The project has an estimated value of 16,690,000 dollars and a substantial completion timeline of 560 calendar days. This solicitation, identified as SRP-W-134-0290, is a unit price contract awarded to the responsible bidder submitting the lowest responsive bid. Bidders must provide a completed EJCDC C-410 Bid Form, a bid bond, and evidence of authority to sign, while also demonstrating good faith efforts toward MWBE goals. The contract requires performance and payment bonds and adherence to strict technical standards, including AWWA Specification C-600 for pipelines and NEMA standards for motors. Payment is processed via monthly applications for payment, with funds becoming due 30 days after presentation to the owner. The project is set aside for small businesses, including certified veteran-owned, women-owned, and HUBZone small businesses.
Don Moorhead Construction, Inc.

POSTED

about 6 hours ago

DEADLINE

in 12 days
NAICS: 237110
New
WC 1456 Lead Pipe Inspection
Solicitation # wc-1456-lead-pipe-inspection
Spiniello Companies is seeking quotes from Minority and Women-Owned Business Enterprises (MWBEs) for the City of Baltimore Department of Public Works project WC 1456, which focuses on lead pipe inspection and replacement in Maryland. This solicitation is open to various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone small businesses. Interested parties should submit their quotes to [email hidden] by the response deadline of November 4, 2026. While the primary NAICS code is 237110, the project also considers codes 237310, 561990, 238910, 541730, and 237990. For further inquiries, the primary point of contact is Katherine Snider.
Spiniello Companies

POSTED

about 6 hours ago

DEADLINE

in 6 days
NAICS: 237110
New
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 for the Montclair Basin in San Bernardino County, California. Commissioned by the Inland Empire Utilities Agency and managed 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 adhere to a tight timeline, with the solicitation posted on October 28, 2026, and a response deadline of October 29, 2026. Primary coordination for the project is handled by Sep Sharifi at Big Ben Engineering.
Big Ben Engineering

POSTED

about 6 hours ago

DEADLINE

in about 12 hours
NAICS: 237110
New
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 Ph IV and Water Main Relocations Bid Package A, Project No. K-27-2470-DBB-3-C, for the City of San Diego. This CASRF and EPA funded project seeks quotes from subcontractors and suppliers for various scopes of work, including pipe supply, electrical, paving, and aggregate supply. The solicitation is set aside for SBA certified Women-Owned Small Businesses and Disadvantaged Business Enterprises. Bids must be submitted via email or fax by October 28, 2026, at 2:00 PM and must remain valid for 120 days. Qualified bidders must possess a valid California contractor license and be registered with the California Department of Industrial Relations in accordance with Public Contract Code Section I725.5. The project is subject to a Project Labor Agreement and requires compliance with specific insurance requirements. Flatiron Dragados reserves the right to require payment and performance bonds equal to 100 percent of the contract value, with actual bond premium costs reimbursed up to a maximum of 3 percent. All bonds must be issued by a surety authorized to operate within the State of California.
Flatiron Dragados Constructors, Inc.

POSTED

about 6 hours ago

DEADLINE

in about 1 month
NAICS: 237110
New
Greenfield Wastewater Treatment Plant Upgrade Project
Solicitation # greenfield-wastewater-treatment-plant-upgrade-project-0
The City of Greenfield is seeking bids for the Greenfield Wastewater Treatment Plant Upgrade Project, identified by contract number 2026-03. Located in Monterey, California, this solicitation is managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. The project is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, HUBZone Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. The solicitation was posted on October 28, 2026, and requires all responses to be submitted by the deadline of November 10, 2026. Interested parties should coordinate with the Estimating Department at Anderson Pacific Engineering Construction, Inc. for further inquiries. Additional project details and submission guidelines are available through the provided agency links.
Anderson Pacific Engineering Construction, Inc.

POSTED

about 6 hours ago

DEADLINE

in 12 days
NAICS: 237110
New
AMERICAN BOTTOMS RWTP – SLUDGE HANDLING FACILITY
Solicitation # american-bottoms-rwtp-sludge-handling-facility
River City Construction, LLC is seeking qualified subcontractors for the American Bottoms RWTP Sludge Handling Facility project located in Illinois. The comprehensive scope of work includes site and structural activities such as earthwork, concrete, masonry, metals, and finishes, as well as the installation of plumbing, HVAC, electrical, and utility systems. Additionally, the project requires specialized expertise in process interconnections, material processing and handling equipment, and water and wastewater purification and storage systems. This solicitation is specifically set aside for Small, Disadvantaged, Minority, Women’s, Service Disabled Veteran Owned, and Veteran Owned businesses. To be considered, bidders must submit their official certification of status along with their proposal. Awards will be granted based on the lowest responsive bid received. The deadline for bid submissions is November 5, 2026, at 2:00 PM, with project documentation managed through the SmartBidNet system.
River City Construction, LLC

POSTED

about 6 hours ago

DEADLINE

in 7 days
NAICS: 237110
New
BOZEMAN WATER RECLAMATION FACILITY PHASE 1 IMPROVEMENTS
Solicitation # bozeman-water-reclamation-facility-phase-1-improvements
PROSPECT CONTSTRUCTION, INC.

POSTED

about 6 hours ago

DEADLINE

in 21 days
NAICS: 237110
New
MWWTP Secondary Reactors Rehabilitation, Phase 2
Solicitation # mwwtp-secondary-reactors-rehabilitation-phase-2-0
The MWWTP Secondary Reactors Rehabilitation, Phase 2 project, identified by contract number SD-462, involves rehabilitation work located in Oakland, Alameda, California. The project is owned by the East Bay Municipal Utility District and is being managed by Anderson Pacific Engineering Construction, Inc. under NAICS code 237110. This solicitation is specifically set aside for small businesses, including SBA certified Women-Owned Small Businesses, SAM.gov designated Small Disadvantaged Businesses, and Department of Transportation Disadvantaged Business Enterprises. Interested parties must submit their responses by the deadline of November 18, 2026. Inquiries regarding the project should be directed to the Estimating Department at Anderson Pacific Engineering Construction, Inc.
Anderson Pacific Engineering Construction, Inc.

POSTED

about 6 hours ago

DEADLINE

in 20 days
NAICS: 237110
New
Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 in CA
Solicitation # main-wastewater-treatment-plant-secondary-reactors-rehabilitation-phase-2-ca
Garney Pacific, Inc. is seeking quotes from qualified subcontractors for the Main Wastewater Treatment Plant Secondary Reactors Rehabilitation Phase 2 project located in Oakland, California, for the East Bay Municipal Utility District. The comprehensive scope of work involves the rehabilitation of covered and open concrete structures, including the installation of platforms and access improvements. Mechanical and piping requirements include the relining, modification, or replacement of small and large diameter steel and ductile iron pipes, associated supports, valves, and piping appurtenances. Additionally, the project requires the installation and operation of a temporary 11 MGD pumped bypass, the rehabilitation of reactor mixers and aerators, and the rerouting of sump pump discharge lines. Electrical and instrumentation work includes the installation of new or improved instrumentation, the rehabilitation and replacement of motor control center components, and modifications to existing sluice gates alongside the installation of new slide gates. The project also involves excavation, trench work, and surveying of key points around the reactors. This is a union project, and all subcontractors must utilize union labor. Potential subcontractors must be prepared to provide a 100 percent Payment and Performance Bond from a US Treasury listed Surety Company, providing their bond rate at the time of the bid for reimbursement. Quotes are due by November 17, 2026, with the final bid date set for November 18, 2026. This opportunity is set aside for small businesses, including certified VOSB, SDVOSB, WOSB, and HUBZone firms.
Garney Pacific, Inc.

POSTED

about 6 hours ago

DEADLINE

in 20 days

General Info

Agency

California → City of San Marino

NAICS

237110 - Water and Sewer Line and Related Structures Construction

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 2025-RFP-023.

The full solicitation package (7 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Solid Waste and Recycling Consulting Services

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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

Show more
AgencyCalifornia → City of San Marino
ContactsNo contacts available
OfficeN/A
Organization / AgencyCalifornia → City of San Marino
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Design and construct a new primary effluent equalization system including earthwork, concrete, and integration with plant systems.

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

Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS