This Subcontract opportunity from California was posted on July 29, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Surveying & As-Built Verification

Closed

State & Local

Submission Closed08/24/2026, 03:00:00 PM PDT

Contract Overview

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

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NAICS: 541370

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Baseline and Restoration Field Survey ServicesThe Baseline and Restoration Field Survey Services subcontract involves providing specialized field data collection and surveying for prime contractors working on Gitga'at Power Project facility projects in Canada. The scope of work includes performing pre-construction baseline surveys, mapping in-stream conditions and riparian zones, and utilizing GPS/GIS mapping tools to monitor the success of revegetation efforts. The selected provider is responsible for delivering comprehensive restoration success reports and baseline condition maps. To be eligible for this contract, the service provider must hold a Registered Professional Biologist registration in British Columbia. This opportunity is issued by the Gitga'at First Nation through the Province of British Columbia, with a response deadline set for December 4, 2026.

Gitga'at First Nation

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DEADLINE

Silviculture Surveying ServicesThis subcontract for Silviculture Surveying Services involves performing professional surveys for prime contractors on BC Timber Sales Branch projects within Canada. The selected provider will execute surveys using grid or vector sampling in accordance with the Silviculture Survey Procedures Manual, which includes establishing sample plots and developing detailed project and treatment maps. Required deliverables consist of signed survey reports, digital attribute data, and treatment maps. To qualify, the contractor must be a Qualified Forest Professional or an Accredited Silviculture Surveyor and hold BC Forest Safety Council SAFE Company certification. Technical requirements include the use of GPS and mapping tools, as well as survey software compatible with LRM or FMS. Responses for this opportunity are due by December 14, 2026.

BC Timber Sales Branch

POSTED

DEADLINE

Geotechnical Site Analysis & TestingThis subcontract for Geotechnical Site Analysis and Testing supports prime contractors on projects for the Illinois Department of Juvenile Justice, specifically associated with the IYC St. Charles facility. The scope of work involves performing initial evaluations and testing, which includes conducting thorough site analyses, sampling existing pavement, and evaluating the moisture content and strength of subgrade soil. The selected provider is responsible for delivering a comprehensive site analysis report detailing material composition and soil strength data. This opportunity falls under NAICS code 541370, with a response deadline set for December 4, 2026.

STCHARLESIYC425 - IYC - St. Charles

POSTED

DEADLINE

Site Surveying and LayoutThe Site Surveying and Layout subcontract, issued by the City of Uvalda in Georgia, requires a provider to perform site surveying and establish lot corners and boundaries for prime contractors. The selected contractor will be responsible for providing critical survey information and identifying lot corners to ensure the correct placement of work, while maintaining close coordination with the Engineer and the Contract Administrator. Key deliverables include the submission of detailed survey reports and the physical marking of site boundaries. This opportunity falls under NAICS code 541370 and was posted on November 12, 2026. Interested parties must submit their responses by the deadline of December 14, 2026. The project is managed through the state of Georgia's procurement system to ensure precise land layout and boundary verification for managed projects.

POSTED

DEADLINE

GIS Specialist (Historic Preservation)This subcontract opportunity is for a GIS Specialist specializing in Historic Preservation to support prime contractors on projects for the Walker County Board of Commissioners in Georgia. The selected provider will be responsible for performing digital mapping and data entry, specifically entering surveyed resource data into the GNAHRGIS web-based database and utilizing ArcGIS to produce detailed survey maps. A critical component of the role is ensuring that all data point documentation is accurate to meet the review standards of the Georgia Historic Preservation Division. The contract deliverables include fully populated GNAHRGIS database entries and completed project maps. Interested parties should note that the solicitation was posted on November 12, 2026, with a response deadline of December 15, 2026. The work falls under NAICS code 541370, focusing on survey and mapping services.

Walker County Board of Commissioners

POSTED

DEADLINE

2027-01 Historic Resources Survey Phase 3

Solicitation # 2027-01

Walker County, Georgia, is seeking proposals from consultants to conduct an intensive historic resources survey of approximately 523 to 600 parcels in the unincorporated southeastern portion of the county. The project focuses on cataloging buildings and structures constructed before 1985, including monuments, bridges, and fortifications. All work must adhere to the Secretary of the Interior's Standards for Archaeology and Historic Preservation, the National Register Bulletin, and the Georgia Historic Resources Manual. The project is financed via a Historic Preservation Fund Grant from the National Park Service and administered by the Georgia Historic Preservation Division. Proposals must be submitted in a sealed envelope to the Walker County Government office by 2:00 p.m. on December 15, 2026. Submissions must include two written copies and one electronic copy on a flash drive, with a maximum page limit of 35 pages. Required documentation includes proof of SAMS.GOV registration, a Unique Entity ID, a project team list, and a budget demonstrating the project can be completed within the maximum allotted $33,633. Selection is based on professional qualifications, technical competence, ability to meet schedules and budgets, past performance, project understanding, and quality assurance processes. Contractors must comply with federal and state non-discrimination laws, including the Americans with Disabilities Act and the Civil Rights Act of 1964.

Walker County Board of Commissioners

POSTED

DEADLINE

Geological & Geophysical Field StudiesThis subcontract for Geological and Geophysical Field Studies involves performing soil surveys and geophysical studies for prime contractors working on Georgia Department of Transportation interstate maintenance projects. The scope of work includes conducting geological mapping and soil survey studies to evaluate foundations and subgrade using specialized soil boring equipment and geophysical survey tools. The selected provider must hold the necessary geological and geophysical study certifications to deliver comprehensive soil survey reports and site assessments. This opportunity is categorized under NAICS code 541370, with a response deadline set for December 9, 2026.

Department of Transportation-2

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Ground Penetrating Radar (GPR) & 3-D GPR Testing & AnalysisThis subcontract involves providing specialized subsurface imaging of pavement for prime contractors working on Georgia Department of Transportation interstate maintenance projects. The scope of work includes the collection of field data using GPR and 3-D GPR systems, followed by the processing of radar imagery to detect subsurface anomalies, determine layer thickness, and identify voids. The selected provider must meet GPR Testing and Analysis Lead qualifications to ensure technical accuracy. Final deliverables for the project consist of comprehensive subsurface imagery, detailed thickness maps, and formal GPR analysis reports. The solicitation was posted on November 12, 2026, with a response deadline of December 9, 2026.

Department of Transportation-2

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DEADLINE

Utility Coordination and Conflict MappingThis subcontract for the City of North Vancouver involves providing utility coordination and conflict mapping services for prime contractors. The selected provider will collaborate with key entities including BC Hydro, Fortis BC, Telus, Shaw, Lonsdale Energy, and BC One Call to map existing infrastructure, with a specific focus on the Fortis BC Intermediate Pressure gas main located on E 6th Street. Utilizing GIS mapping tools, the contractor will assess potential impacts on traffic, property, and the environment while adhering to BC One Call standards. The primary deliverables for this engagement are coordinated design layouts and detailed utility conflict reports. Interested parties must submit their responses by December 17, 2026. This project falls under NAICS code 541370 and is situated within the Province of British Columbia, Canada.

City of North Vancouver

POSTED

DEADLINE

Aerial Surveying and Asset Mapping ServicesThis subcontract for Aerial Surveying and Asset Mapping Services involves performing aerial surveying and data acquisition for prime contractors operating on Network Rail Infrastructure Limited projects. The scope of work focuses on executing infrastructure mapping and asset inspection surveys utilizing photogrammetry sensors, LiDAR, and high-resolution cameras to deliver comprehensive asset maps and raw survey data. All work must be performed in accordance with CPV 71355000 surveying standards, and service providers are required to hold professional surveying certifications. The solicitation was posted on November 12, 2026, with a response deadline of December 17, 2026. The contract falls under NAICS code 541370.

Network Rail Infrastructure Limited

POSTED

DEADLINE

Aerial Services including asset inspection and surveys

Solicitation # 37888

Network Rail Infrastructure Limited is soliciting aerial services for asset inspection and surveys under solicitation number 37888. The project is divided into three lots: Lot 1 covers Scotland with an estimated value of 19.8 million GBP, Lot 2 covers England and Wales with an estimated value of 14.6 million GBP, and Lot 3 is a national requirement. The total estimated contract value is 34.4 million GBP excluding VAT. The agreement features an initial five-year term starting April 1, 2028, with options to extend for three additional one-year periods, potentially lasting until March 31, 2036. The procurement follows a single-stage competitive flexible procedure where suppliers must submit a Pre-Qualification Questionnaire (PSQ), a Technical Envelope, and a Commercial Envelope via the Network Rail Bravo eSourcing Portal. Evaluation is phased, with the PSQ assessed first; only the top three ranked suppliers per lot will advance to the Invitation to Tender (ITT) evaluation. Awards will be based on the Most Advantageous Tender. The deadline for enquiries is December 10, 2026, and the final tender submission deadline is December 17, 2026. Small and medium-sized enterprises, as well as voluntary, community, and social enterprises, are identified as particularly suitable for this procurement.

Network Rail Infrastructure Limited

POSTED

DEADLINE

Specialized Technical Survey & Testing ConsultantThe Specialized Technical Survey and Testing Consultant subcontract for the UC Davis Medical Center involves providing critical field investigations, condition assessments, and specialized testing to support prime contractors. The scope of work focuses on verifying MDF/IDF rooms, assessing utility tie-ins, and conducting capacity and condition evaluations of existing building systems. To successfully execute these tasks, the consultant must utilize specialized electrical and mechanical testing equipment to ensure accurate capacity measurements. The primary deliverables for this engagement include detailed condition assessment reports and field verification drawings. This opportunity is categorized under NAICS code 541370 and is associated with the state of California. Interested parties should note the response deadline of December 1, 2026, to submit their proposals for these technical services.

UC Davis Medical Center

POSTED

about 15 hours ago

DEADLINE

in 18 days

AI Contract Overview

The contract requires the performance of topographic surveys, stakeout services, and as-built verification for landfill infrastructure components including leachate and gas collection systems within the Sloughhouse area of California, ZIP code 95683. The work must be executed with precision to ensure compliance with engineering specifications and regulatory standards for environmental infrastructure. This is a subcontract opportunity under NAICS code 541370 for surveying services, targeted for businesses capable of delivering specialized geospatial and construction verification services in landfill environments. The response deadline is August 24, 2026, at 10:00 PM Pacific Time, and the solicitation was posted on July 29, 2026, with all activities centered at the County of Sacramento’s designated performance location.