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This Government Contract opportunity from California was posted on June 19, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Guardrail and Safety Barrier Installation

Closed
State & Local

Contract Overview

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

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NAICS: 237310
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Construction On State Highway In Santa Cruz County From 0.5 Mile North Of Larkin Valley Road Undercrossing To Laguna Road
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RFP-70-105 KA-2130-05 - I-70 Lewis and Clark Viaduct-Eastbound
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Solicitation # 20261003032
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AI Contract Overview

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The City of Manteca in California is seeking a subcontractor for the supply and installation of guardrails, crash cushions, and other roadside safety features. This project falls under NAICS code 237310 and will be performed within Manteca, California, zip code 95337. The solicitation was posted on June 19, 2026, and interested parties must submit their responses by the deadline of July 2, 2026, at 9:00 PM. Further details and application processes can be accessed through the BidAmerica portal.

General Info

City of Manteca seeks subcontractor for roadside safety installation by July 2, 2026.

Agency

California → City of Manteca

NAICS

237310 - Highway, Street, and Bridge Construction

Place of Performance

Manteca, CA, 95337, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260618008.

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

View the prime solicitation

YOSEMITE AVE PAVEMENT IMPROVEMENT PROJECT

AI Contract Breakdown

Uniform Contract Format

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

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyCalifornia → City of Manteca
ContactsNo contacts available
OfficeN/A
Organization / AgencyCalifornia → City of Manteca
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Supply and installation of guardrails, crash cushions, or other roadside safety features.

More opportunities from California → City of Manteca

Same awarding agency

NAICS: 541620
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Water Quality Regulatory ConsultantThe Water Quality Regulatory Consultant subcontract involves providing specialized regulatory analysis for prime contractors working on wastewater projects for the City of Manteca. The selected consultant will be responsible for evaluating State Water Board standards, SIP, and Thermal Plan requirements, while leveraging expert knowledge of NPDES permits to deliver technical support and regulatory evaluation summaries for the Exception Analysis Report. A critical component of the role includes managing professional communications with the Regional Water Board to clarify specific exception criteria. This opportunity is categorized under NAICS code 541620 and is centered in Manteca, California, with a response deadline set for October 16, 2026.
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Environmental Data Collection and Field Monitoring ServicesThis subcontract for Environmental Data Collection and Field Monitoring Services supports prime contractors on wastewater projects for the City of Manteca. The scope of work involves gathering critical datasets from the Regional Water Board, USGS, and NOAA, while conducting on-site field monitoring using flow meters, temperature sensors, and water quality sampling probes. All activities must adhere to established USGS and NOAA data protocols to ensure the delivery of validated datasets and comprehensive field monitoring reports. The project is located in Manteca, California, and falls under NAICS code 541620. Interested parties should note that the solicitation was posted on October 2, 2026, with a response deadline of October 16, 2026.
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NAICS: 541330
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Hydraulic and Thermal Modeling SpecialistThis subcontract opportunity is for a Hydraulic and Thermal Modeling Specialist to support prime contractors on wastewater projects for the City of Manteca, California. The selected specialist will be responsible for performing dilution and thermal modeling, specifically analyzing ammonia and dieldrin dilution while modeling thermal plumes and mixing zones. All work must be conducted using CORMIX or Visual Plumes software and must strictly adhere to State Water Board and SIP standards. The successful candidate is required to hold a Professional Engineer license to deliver essential technical memoranda, thermal model results, and dilution analysis data. Interested parties should note that the response deadline is October 16, 2026, and the work will be performed within the city of Manteca under NAICS code 541330.
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NAICS: 541620
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Biological and Fisheries Assessment ConsultantThis subcontract opportunity is for a Biological and Fisheries Assessment Consultant to support prime contractors on wastewater projects for the City of Manteca, California. The selected consultant will be responsible for conducting comprehensive field surveys and literature reviews of local fish and wildlife species to analyze how thermal discharge impacts biological receptors. All work must be performed using field sampling equipment and biological monitoring tools that adhere to State Water Board standards. The primary objective of the engagement is the delivery of a detailed biological evaluation report intended to support a Thermal Plan exception. Interested parties should note that the response deadline is October 16, 2026, and the work will be performed within Manteca, zip code 95337, under NAICS code 541620.
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Regulatory Compliance Consultant (Water Rights/Permitting)This subcontract opportunity is for a Regulatory Compliance Consultant specializing in water rights and permitting to support prime contractors on wastewater projects for the City of Manteca in California. The selected consultant will be responsible for performing detailed regulatory analyses to ensure compliance with State Water Board standards, the State Implementation Policy, and the Thermal Plan. Key duties include coordinating with Regional Water Board staff to manage exception requirements and modeling assumptions specifically for NPDES permits. The primary deliverables for this engagement include a comprehensive regulatory evaluation summary and technical support for the final Thermal Plan Exception Analysis Report. Interested parties should note that the response deadline is October 16, 2026, and the work falls under NAICS code 541620.
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NAICS: 541370
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Water Quality Data Collection & Monitoring SpecialistThis subcontract opportunity is for a Water Quality Data Collection and Monitoring Specialist to support prime contractors on wastewater projects for the City of Manteca in California. The selected provider will be responsible for gathering, obtaining, and validating environmental datasets from the USGS, NOAA, and Regional Water Boards. This process involves the use of specialized equipment, including water quality monitoring probes, flow meters, and data logging tools. The scope of work includes performing supplemental monitoring and ensuring all data validation adheres to State Water Board standards. The final deliverables for this engagement consist of a fully validated dataset and a comprehensive data validation report. Interested parties should note the response deadline of October 16, 2026.
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DEADLINE

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NAICS: 541620
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Aquatic Biologist / Environmental ScientistThis subcontract opportunity for an Aquatic Biologist or Environmental Scientist involves performing biological impact assessments for prime contractors working on City of Manteca wastewater projects. The scope of work focuses on assessing thermal impacts on migratory fish species and evaluating how revised ammonia and dieldrin effluent limits affect the local ecosystem. All work must be conducted using biological sampling equipment and regional databases in accordance with State Water Board standards. The primary deliverable for this engagement is a comprehensive biological impact analysis report for the Thermal Plan Exception Analysis. Interested parties should note that the response deadline is October 16, 2026, and the project falls under NAICS code 541620.
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NAICS: 541330
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Hydrodynamic & Thermal Plume Modeling SpecialistThis subcontract opportunity is for a Hydrodynamic and Thermal Plume Modeling Specialist to support prime contractors on wastewater projects for the City of Manteca in California. The selected specialist will be responsible for performing complex numerical modeling to evaluate near-field mixing, far-field transport, tidal reversal, and thermal plume recirculation. All analysis must be conducted using CORMIX, Visual Plumes, or other tools approved by the State Water Board to ensure full compliance with NPDES requirements and the State Implementation Policy. The scope of work requires the delivery of comprehensive modeling results, detailed data outputs, and technical documentation specifically for Dilution Analysis. Interested parties should note that the response deadline is October 16, 2026, and the project falls under NAICS code 541330 for engineering services.
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NAICS: 541330
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Professional Engineering Services for WQCF Dilution Study & Thermal Plan Exception Analysis Report
Solicitation # RFP-2026-0002
The City of Manteca is soliciting proposals for professional engineering services to conduct a Dilution Study and Thermal Plan Exception Analysis Report for its Wastewater Quality Control Facility. The primary objectives of this project are to support the revision of water-quality based effluent limits within the National Pollutant Discharge Elimination System, determine revised ammonia and dieldrin effluent limits under the State Implementation Policy, and evaluate compliance with the State Water Quality Control Plan for Control of Temperature. The selected consultant will be responsible for data collection, modeling, and the preparation of a technical memorandum and final report, while identifying cost-efficient compliance alternatives if a thermal plan exception is not granted. Proposals are due by October 15, 2026, at 5:00 PM PST, with requests for clarification accepted until October 9, 2026. The City will award the contract based on a weighted evaluation of project management, project understanding, project approach, and experience, each accounting for 25 percent of the total score. The resulting agreement is expected to be an Actual Cost with a Not to Exceed Amount contract, with final scope and fees negotiated with the top-ranked firm. Requirements for the selected consultant include adherence to California Prevailing Wage laws, strict quality assurance and quality control procedures, and the provision of financial disclosures such as SEC Form 10-K or 10-Q.
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