This Government Contract opportunity from California was posted on August 6, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Site Investigation and Field Verification Services

Closed

State & Local

Submission Closed09/25/2026, 11:00:00 PM UTC

Contract Overview

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

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NAICS: 541620

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Biological Monitoring and Environmental Compliance

California Department of Transportation

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DEADLINE

ENVIRONMENTAL TRUST Comprehensive E mergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_10202026.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for a combined maximum budget of $289,497, divided into two primary functional areas. The first area, Emergency Management Planning, is capped at $150,000 and involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions, creating hazard-specific annexes, and establishing the Tribes' first Continuity of Operations Plan and Tribal Threat and Hazard Identification and Risk Assessment. This scope also includes the development of an all-hazards tabletop exercise package and the facilitation of coordination workshops to integrate these planning components. The second area, Environmental Engineering and Consulting Services, is capped at $139,497 and focuses on technical field operations in Nespelem, Washington. Key tasks include biannual groundwater monitoring and testing at the Nespelem Post and Pole site, as well as the characterization, removal, and lawful disposal of hazardous materials at the Nespelem Recycle Center. The contractor must adhere to strict quality standards, including the use of approved Quality Assurance Project Plans and Health and Safety Plans, and provide detailed verification reports. Mandatory monthly progress reports are required for all activities, and all project communication costs must be integrated into the respective task budgets. TERO fees are handled separately by the Tribal Employment Rights Office and are not included in the scope of work budget.

Confederated Tribes of the Colville Reservation

POSTED

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Arboricultural Risk Assessment & Strategy ConsultingThis subcontract opportunity for the City of Hamilton involves providing arboricultural risk assessment and strategy consulting. The selected provider will perform technical analysis and strategic planning for prime contractors managing municipal tree and woodland asset projects. Key responsibilities include analyzing existing assets, developing risk management frameworks, and creating process maps, matrices, and charts to establish risk mitigation workflows. The primary deliverable for this engagement is a completed Tree Risk Management Strategy document. To qualify, the provider must hold an ISA Certified Arborist designation or an equivalent professional forestry certification. Interested parties must submit their responses by December 8, 2026.

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Proposal for Tree Risk Management Strategy for Public Tree and Woodland Assets in the City of Hamilton

Solicitation # C11-55-26

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Pipe Conditioning and TreatmentThis subcontract opportunity involves providing chemical conditioning and treatment services for piping systems at City of Surrey District Energy Transfer Stations. The selected contractor will work under prime contractors to execute pipe conditioning processes using specific chemical agents and application equipment, ensuring all work adheres to standard DES Specifications to deliver a system ready for service. The project is located in Canada and is associated with the City of Surrey and the Province of British Columbia. Interested parties must submit their responses by the deadline of November 23, 2026. The contract is categorized under NAICS code 541620, focusing on environmental consulting and specialized technical services.

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DEADLINE

Environmental Compliance & Emergency ResponseThis subcontract for Environmental Compliance and Emergency Response, issued by the BC Timber Sales Branch of the Province of British Columbia, focuses on managing environmental emergency response and spill containment for prime contractors. The selected provider is responsible for developing an environmental Emergency Response Plan using the BCTS LPC template, managing spill kits in accordance with BCTS EFP 06 Fuel Handling, and conducting documented emergency preparedness drills. All activities must strictly comply with the BCTS Environmental Management System and the Wildfire Act. The primary deliverables for this engagement include an approved emergency response plan and detailed reports documenting the completed drills. Interested parties must submit their responses by December 1, 2026. The contract falls under NAICS code 541620 and will be performed within Canada.

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BRC0000667 On-Call Commercial and Institutional Recycling Program

Solicitation # 49381

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Los Angeles County Public Works

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Avian Habitat Usage Analysis and Ecological ReportingThe Avian Habitat Usage Analysis and Ecological Reporting subcontract involves providing specialized ecological analysis for prime contractors on Natural England projects. The work is centered on the Teesmouth and Cleveland Coast, specifically focusing on SSSI, SPA, and Ramsar sites. The primary objective is to evaluate habitat usage across supporting and brownfield areas by analyzing more than 20,000 over-wintering coastal birds and other qualifying species. The selected provider must possess deep expertise in the regulations governing protected sites to develop distribution methodologies and author detailed technical reports. The final deliverable is a comprehensive habitat usage report detailing the methods used and the resulting data. This opportunity falls under NAICS code 541620 and requires a response by November 13, 2026.

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Environmental Remediation Project Management/OversightThis subcontract for Environmental Remediation Project Management/Oversight involves providing field oversight and verification of physical cleanup work for prime contractors on City of New London EPA Brownfields RLF projects. The selected provider will be responsible for ensuring all work aligns with the SSQAPP, ABCA, and Remedial Action Plans, while monitoring compliance with Davis-Bacon and BABA regulations. Key deliverables include the submission of detailed inspection reports and the review of payment requests to provide formal payment recommendations. Qualified candidates must possess the ability to perform rigorous field inspections and demonstrate a strong working knowledge of EPA and CTDEEP standards. Managed by DAS Procurement for the state of Connecticut under NAICS code 541620, the solicitation was posted on November 3, 2026, with a response deadline of December 8, 2026.

POSTED

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Hazardous Building Material Abatement SpecialistThis subcontract opportunity is for a Hazardous Building Material Abatement Specialist to support prime contractors on City of New London EPA Brownfields RLF projects. The selected specialist will be responsible for developing, reviewing, and revising identification and removal plans for hazardous materials, specifically focusing on asbestos and lead. All deliverables must ensure strict compliance with federal, state, and local regulatory requirements to secure approved abatement plans. Qualified candidates must hold professional certification in hazardous material identification and abatement planning. This procurement is managed by DAS Procurement for the state of Connecticut under NAICS code 541620. Interested parties must submit their responses by the deadline of December 8, 2026.

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Environmental Consulting - Site Assessment and Remedial DesignThis subcontract for Environmental Consulting - Site Assessment and Remedial Design involves providing technical reviews and developing cleanup plans for prime contractors working on City of New London EPA Brownfields RLF projects. The selected provider will be responsible for reviewing and revising Environmental Assessment Reports, creating Remedial Action Plans, conducting Analysis of Brownfield Cleanup Alternatives, and developing Site-Specific Quality Assurance Project Plans. The role requires a deep understanding of the CTDEEP regulatory framework and EPA guidelines to ensure all finalized reports and plans meet necessary standards. This opportunity is managed through DAS Procurement for the state of Connecticut, with a response deadline of December 8, 2026.

DAS Procurement

POSTED

about 12 hours ago

DEADLINE

in about 1 month

AI Contract Overview

This subcontract for Site Investigation and Field Verification Services involves performing technical data reviews and field verification for prime contractors on wastewater projects in the City of Banning. The selected provider will analyze record drawings and geotechnical reports to identify facility deficiencies and rehabilitation opportunities using surveying tools and geotechnical drilling and sampling equipment. Key deliverables include detailed site investigation reports and deficiency logs. Qualified candidates must hold a Professional Engineering license or a Geotechnical Engineering certification. This opportunity was posted on August 6, 2026, with a response deadline of September 25, 2026. The project falls under NAICS code 541620 and is managed by the Purchasing Division of California.

General Info

Subcontract for wastewater site investigation and field verification services in Banning, California.

Agency

California → Purchasing Division

NAICS

541620 - Environmental Consulting Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of RFP-26-139.

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

View the prime solicitation

RFP 26-139 - Wastewater Treatment Plant & Recycled Water Upgrades

AI Contract Breakdown

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

Timeline

PhaseClosed

PostedAug 6

subcontract

Response DeadlineSep 25

Deadline has passed

Submission Closed

09/25/2026, 11:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → Purchasing Division

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Purchasing Division

Office AddressN/A

ContactsNo contact information available

Full Description

Performs field verification and technical data review for prime contractors on City of Banning wastewater projects. Reviews record drawings and existing geotechnical reports to identify facility deficiencies and rehabilitation opportunities. Utilizes geotechnical drilling, sampling equipment, and surveying tools. Requires Geotechnical Engineering certification or PE license. Delivers site investigation reports and deficiency logs.