This Solicitation opportunity from California was posted on August 22, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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2025 RFP On-Call Civil Engineering General, Water and Wastewater

Closed

2025 RFP On-Call Civil Engineering General, Water and WastewaterState & Local

Submission Closed09/19/2025, 12:00:00 AM UTC

Contract Overview

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

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NAICS: 237990

New

ALTA, RIVERVIEW, AND KINGS CANYON HIGH WELL DRILLING PHASE

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

The Alta, Riverview, and Kings Canyon High Well Drilling Phase is a solicitation issued for project number 1000316-001C on behalf of the Kings Canyon Unified School District. The scope of work involves well drilling operations located across Reedley, Parlier, Dinuba, and Fresno, California. This project is categorized under NAICS code 237990 and is managed through Anthony J. Prieto Water Well Drilling, Inc. The opportunity is specifically set aside for various small business designations, including SBA certified Veteran Owned, Service-Disabled Veteran Owned, Women-Owned, and HUBZone Small Businesses. The solicitation was posted on October 23, 2026, with a response deadline set for November 10, 2026. Interested parties may coordinate through the primary point of contact, Jennah Castagna.

Anthony J. Prieto Water Well Drilling, 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-0

The Recharge Master Plan Update Basin Improvements Project, managed by Granite Construction Company, involves the construction of two drop inlet diversion structures within the San Antonio Creek Channel in Montclair, California. The scope of work includes excavating 8 to 10 feet below the channel floor across a 25-foot width, installing steel debris grates, and fitting wall-mounted steel gates on the east sides of the structures. Additionally, the project requires the installation of 4-foot-diameter discharge pipelines leading to Montclair Basins 2 and 3, which will be covered by 3 feet of soil and terminate in concrete outlet structures designed for flow dissipation. A critical component of the project is the implementation of electrical, instrumentation, and SCADA integration to manage gate actuation. Programming for these systems is strictly limited to approved integrators, specifically Technical Systems, Inc. or E Technologies Group. This solicitation is categorized under NAICS code 237990 and includes a Disadvantaged Business Enterprise set-aside. Interested parties must submit responses by November 5, 2026.

Granite Construction Company

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. Identified by solicitation number 2026-001, this project is managed by Hydro Resources - Mid Continent, Inc. and falls under NAICS code 237990. This 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 solicitation is handled by Amy Majors.

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 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 Site Compliance and Improvements project at Patton Landing is a solicitation issued by the State of California Department of General Services, Real Estate Services Division, Project Management and Development Branch. Located in Carnelian Bay, Placer County, California, the project is identified by Project Number 13891 and Event ID 0000040533. The scope of work falls under NAICS code 237990, focusing on site compliance and infrastructure enhancements. This opportunity is specifically set aside for SBA certified Service-Disabled Veteran Owned Small Businesses and Disadvantaged Business Enterprises. The solicitation was posted on October 23, 2026, with a response deadline of November 10, 2026. Interested parties may coordinate through the primary point of contact, Nayvi Waite of Resource Development Company LLC.

Resource Development Company LLC

POSTED

DEADLINE

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, which pertains to specialized trade contractors. The notice was posted on October 23, 2026, and the deadline for responses is set for September 30, 2027. Interested parties can find further details and manage bids through the official WMATA supplier portal.

Washington Metropolitan Area Transit Authority

POSTED

DEADLINE

Pipeline Excavation and Backfilling Services

Pakistan Refinery Limited

POSTED

DEADLINE

Dam Remediation & Heavy Civil Construction

Bureau Of Indian Affairs

POSTED

DEADLINE

LAKE PONTCHARTRAIN & VICINITY (LPV), FORESHORE RISK REDUCTION REPAIRS, REACH-1, 2, 3, & 4 Jefferson Parish, Louisiana (ED 24-006)

Solicitation # W912P826BA009

The U.S. Army Corps of Engineers New Orleans District is soliciting bids for the Lake Pontchartrain and Vicinity Foreshore Risk Reduction Repairs project in Jefferson Parish, Louisiana. This unrestricted, firm-fixed-price contract, under NAICS code 237990, has an estimated construction magnitude between $25,000,000 and $100,000,000. The scope of work covers Reaches 1, 2, 3, and 4 and includes demolition, clearing and grubbing, excavation, placing embankment, installing separator geotextile, placing stone, and turf establishment and maintenance. The project requires adherence to EM 385-1-1 safety standards and the MUTCD for traffic control. The bid submission deadline has been extended to October 27, 2026, at 10:00 a.m., with the bid opening scheduled for 11:00 a.m. The contractor must commence work within 10 calendar days of the notice to proceed and complete all base work within 300 calendar days. Key contract terms include liquidated damages of $4,295.00 per calendar day of delay and a requirement for bid, performance, and payment bonds. Award will be made to a single bidder based on price responsiveness and reasonability, with a price evaluation preference for HUBZone small businesses. Invoicing must be processed through Wide Area WorkFlow.

W07V Endist New Orleans

POSTED

DEADLINE

Sources Sought:Neopit Dam Remediation Construction

Solicitation # DOIASAM270004

The Bureau of Indian Affairs, under the Department of the Interior, has issued Sources Sought Notice DOIASAM270004 to conduct market research for the remediation of the Neopit Dam on the Menominee Indian Reservation in Wisconsin. The project is driven by the dam's high-hazard potential classification and structural deficiencies, including seepage issues and inadequate slope protection. The anticipated scope of work involves the construction of reinforced concrete structures, including an off-site spillway with outlet works, a stilling basin, hydropower bays, and two separate embankments to tie the structures into the existing ground. The estimated period of performance is from August 1, 2027, through December 31, 2029, spanning approximately 883 days. This is not a formal solicitation, and the government does not intend to award a contract based on the responses. The notice aims to determine the availability of Indian Small Businesses Economic Enterprise, Indian Economic Enterprises, or other small businesses under NAICS code 237990. If a contract is eventually awarded, it is expected to be a firm fixed-price agreement with progress payments issued upon government acceptance of schedule items. Interested parties must submit a capability statement not exceeding 10 pages to Thomas Tortorella and Abri-Gayle Sterlacci by November 2, 2026, detailing their organizational experience, management capability, and certified small business status.

Bureau Of Indian Affairs

POSTED

DEADLINE

Sediment Excavation & Channel Restoration

Lake County Watershed Protection District

POSTED

DEADLINE

Scotts Creek Habitat Enhancement Project

Solicitation # 00000043

The Lake County Watershed Protection District is soliciting proposals for the Scotts Creek Habitat Enhancement Project, located in the Scotts Valley near Lakeport, California. The project involves a multi-beneficial restoration of an approximately 1.0-mile stretch of Scotts Creek, specifically between a point 0.25 miles downstream of the Eckhoff Road overcrossing and a point one mile upstream adjacent to a flap gate off Scotts Valley Road. The primary objectives are to reduce flood risk, improve habitat for the state-listed threatened Dear Lake hitch, and provide broader ecological benefits. The scope of work includes mobilization, site preparation, vegetation removal, and the excavation of accumulated excess sediment from the channel. The anticipated budget for this project is approximately $100,000, and the tasks are expected to be completed within one month or less. The County utilizes a competitive proposal process where a Consultant Selection Board ranks submissions based on experience and responsiveness. A short list of at least three qualified contractors may be invited for interviews before the top-ranked firm enters negotiations for the final scope and fee. Proposers must submit a detailed cost breakdown, project understanding, work plan, schedule, and team composition by October 30, 2026, at 5:00 PM. Required security and financial assurances include a 5% bid bond of $5,000, as well as 100% performance and payment bonds for the awardee. Additionally, the contractor must adhere to standard insurance provisions, tribal cultural resources monitoring during ground-disturbing activities, and strict equipment cleaning protocols when entering and leaving the project area.

Lake County Watershed Protection District

POSTED

about 7 hours ago

DEADLINE

in 7 days

AI Contract Overview

The City of El Centro's Department of Public Works – Administration Division is seeking proposals from qualified consulting firms to provide on-call civil engineering services related to general infrastructure, water, and wastewater projects. This contract aims to support the city's ongoing and future municipal infrastructure improvements, addressing the needs of a growing community. The agreement is structured as a multi-year contract with the possibility of extensions, offering firms an opportunity to establish a long-term partnership with the city and contribute to essential public works projects. The solicitation, titled "2025 RFP On-Call Civil Engineering General, Water and Wastewater," was posted on August 22, 2025, with a deadline for responses set for September 19, 2025. The contract value ranges from $500,000 to $5,000,000, and the project falls under NAICS code 237990, which pertains to other heavy and civil engineering construction. Interested firms can contact Abraham Campos via email or phone for further details. This opportunity allows firms to engage in meaningful infrastructure development that supports the community's growth and sustainability.

General Info

Agency

California → City of El Centro

NAICS

237990 - Other Heavy and Civil Engineering Construction

Place of Performance

CA, USA

Set-Aside

NONE

Documents

No documents available

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Timeline

PhaseClosed

PostedAug 22

Solicitation

Response DeadlineSep 19

Deadline has passed

Submission Closed

09/19/2025, 12:00:00 AM UTC

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Organization & Contact Information

AgencyCalifornia → City of El Centro

Contacts1 person available

OfficeN/A

Organization / Agency

California → City of El Centro

Office AddressN/A

Contacts

Abraham Campos

contact@example.gov

+1 (555) 000-0000

Full Description

The City of El Centro, through its Department of Public Works –Administration Division, is pleased to invite qualified consulting firms to submit proposals for on-call civil engineering general, water and Wastewater services. This contract presents an opportunity to partner with the City in delivering vital water, wastewater, and general civil infrastructure projects that serve our growing community.With a multi-year agreement and the potential for extensions, this engagement offers consultants the chance to contribute to meaningful, long-term improvements in municipal infrastructure while building a strong professional partnership with the City of El Centro.

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