This Subcontract opportunity from California was posted on June 3, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Seismic Safety Compliance Verification

Closed

State & Local

Submission Closed06/19/2026, 07:00:00 PM PDT

Contract Overview

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

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NAICS: 541360

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Federal

Ground Penetrating Radar (GPR) Field Services & AnalysisThis subcontract for Ground Penetrating Radar (GPR) Field Services and Analysis supports prime contractors on Federal Highway Administration projects under the Department of Transportation's Eastern Federal Lands Division. The scope of work involves performing subsurface imaging using multi-channel, stepped-frequency vehicular GPR arrays to detect aquifers, groundwater tables, saturated zones, shallow water streams, and subgrade voids. The selected provider is responsible for delivering subsurface profile maps and both draft and final GPR data reports. All electronic deliverables must maintain compliance with Section 508 and FHWA Form 4260. The place of performance is located in Ashburn, Virginia, under NAICS code 541360.

693C73 Eastern Federal Lands Division

POSTED

DEADLINE

PROJECT MS NP NATR 3P29 - GROUND PENETRATING RADAR (GPR) DATA COLLECTION

Solicitation # 693C7327Q000003

The Federal Highway Administration (FHWA) Eastern Federal Lands Highway Division is seeking to procure Ground Penetrating Radar (GPR) data collection and analysis services for Project MS NP NATR 3P29. The scope of work requires the creation of a detailed subsurface profile map to identify saturated zones, shallow water streams, the existing groundwater table, and surgrade voids. The agency has issued a notice of intent to sole source this requirement to ECS Southeast, LLC, citing their specialized multi-channel, stepped-frequency vehicular GPR array as essential for meeting the project's technical and logistical constraints. However, other responsible sources may submit quotations by the deadline of November 20, 2026. The contract requires the delivery of a draft GPR data report for approval followed by a final GPR submittal. All electronic deliverables must comply with Section 508 of the Rehabilitation Act and FHWA Form 4260 ICT Conformance Criteria to ensure accessibility for persons with disabilities. Administratively, the contractor must maintain an active registration in the System for Award Management (SAM) and utilize the Delphi eInvoicing web-portal for all payment requests. This procurement is not a small business set-aside and is governed by various FAR clauses, including those regarding commercial services, sustainable products, and security prohibitions.

693C73 Eastern Federal Lands Division

POSTED

DEADLINE

26П-694П_713500006 Науково-технічні послуги в галузі інженерії (Державна експертиза матеріалів звіту "Геолого-економічна оцінка запасів вуглеводнів Західно-Соснівського газоконденсатного родовища Харківської області України" (станом на 01.01.2026 р.)

Solicitation # UA-2026-11-09-014795-a

This solicitation, issued by JSC Ukrgazvydobuvannya under the Government of Ukraine, seeks scientific and technical engineering services. The specific scope of work involves the state expertise of report materials regarding the geological and economic assessment of hydrocarbon reserves at the Zakhidno-Sosnivske gas condensate field located in the Kharkiv region of Ukraine, with data current as of January 1, 2026. The procurement process is identified by solicitation number UA-2026-11-09-014795-a and was posted on November 9, 2026. The contracting agency is based in Kyiv, and the performance of the services will take place within Ukraine. In accordance with Ukrainian law regarding the prevention of money laundering and terrorism financing, certain information requirements regarding beneficial ownership do not apply to the State Commission of Ukraine on Mineral Reserves involved in this process.

АТ "УКРГАЗВИДОБУВАННЯ"

POSTED

DEADLINE

26П-693П _71350000-6 Науково-технічні послуги в галузі інженерії (Державна експертиза матеріалів звіту "Геолого-економічна оцінка запасів вуглеводнів Південно-Грабинського газоконденсатного родовища Львівської області України")

Solicitation # UA-2026-11-09-014409-a

This solicitation, issued by JSC Ukrgazvydobuvannya under the Government of Ukraine, seeks scientific and technical engineering services. Specifically, the contract involves the state expertise of report materials regarding the geological and economic assessment of hydrocarbon reserves at the Pivdenno-Grabinske gas condensate field located in the Lviv region of Ukraine. The procurement process is identified by solicitation number UA-2026-11-09-014409-a and was posted on November 9, 2026. The primary point of contact for this project is Nataliia Danyshurka, and the performance of the services will take place within Ukraine. Additionally, the documentation notes that the State Commission of Ukraine on Mineral Reserves is exempt from providing ultimate beneficial owner information in accordance with national anti-money laundering and counter-terrorism financing laws.

АТ "УКРГАЗВИДОБУВАННЯ"

POSTED

DEADLINE

27П-029П_713500006 Науково-технічні послуги в галузі інженерії (Державна експертиза матеріалів звіту "Геолого-економічна оцінка запасів вуглеводнів Західно-Волохівської площі, в тому числі Західно-Білозірського та Моспанівського родовищ Харківської област

Solicitation # UA-2026-11-09-010192-a

This solicitation, issued by JSC Ukrgazvydobuvannya under the Government of Ukraine, seeks scientific and technical engineering services. Specifically, the contract involves the state expertise of report materials regarding the geological and economic assessment of hydrocarbon reserves within the West Volokhivska area, including the West Bilozirske and Mospanivske fields located in the Kharkiv region. The procurement process is identified by solicitation number UA-2026-11-09-010192-a and was posted on November 9, 2026. The primary point of contact for this project is Nataliia Danyshurka, with the agency based in Kyiv, Ukraine. Additionally, the documentation notes that the State Commission of Ukraine on Mineral Reserves is exempt from providing ultimate beneficial owner information in accordance with national anti-money laundering and counter-terrorism financing laws.

АТ "УКРГАЗВИДОБУВАННЯ"

POSTED

DEADLINE

Applied TEM and Groundwater Assessment Training, including field investigations at three schools in Teouma, Efate, Vanuatu. Pacific Supply - [email hidden]

Solicitation # LRQS-2026-9207201

UNICEF is soliciting proposals under solicitation number LRQS-2026-9207201 for an applied Transient Electromagnetic (TEM) and groundwater assessment training program in Teouma, Efate, Vanuatu. The primary objective is to strengthen the practical capacity of 15 to 20 local, regional, and UNICEF personnel to plan, conduct, and interpret TEM surveys. The scope of work includes the delivery of a five-day tailored course and the completion of field-based groundwater assessments and potential mapping at three specific sites: Nuakwanabu Primary School, Greenhill Primary School, and Nakuskasaru School. Key deliverables include quality-controlled TEM datasets, site maps, inversion outputs, ranked borehole investigation targets, standard operating procedures, and a final training package. Bids must be submitted by November 12, 2026, and must consist of a separate technical proposal and a signed financial proposal providing a lump sum amount for all deliverables. Proposals will be evaluated based on mandatory requirements, technical compliance, and commercial viability, with the award granted to the lowest priced technically compliant bidder. The contractor is responsible for the technical quality of all data and training, as well as ensuring valid health insurance and visas for personnel. All resulting contracts are governed by UNICEF's General Terms and Conditions of Contract for Services, and final acceptance of the deliverables is contingent upon approval by UNICEF and the DOWR/MOET.

POSTED

DEADLINE

Geotechnical InvestigationThis subcontract opportunity, managed by DAS Procurement for the State of Connecticut, involves performing essential subsurface investigations for bridge replacement projects in the Town of Killingly. The selected contractor will be responsible for conducting soil borings, cone penetration testing, and detailed laboratory analysis to establish soil bearing capacity and determine necessary foundation requirements. The final deliverable for this engagement is a comprehensive Geotechnical Engineering Report. To qualify for this project, the contractor must employ a Licensed Professional Geologist or a Professional Engineer. Interested parties should note that the response deadline is December 10, 2026, at 3:00 PM. This procurement falls under NAICS code 541360 and is intended for firms capable of providing specialized geotechnical expertise to support prime contractors on these infrastructure improvements.

POSTED

DEADLINE

Localized Wind Pattern Field ResearchThis subcontract for Localized Wind Pattern Field Research supports US Geological Survey projects within the Hakalau Forest National Wildlife Refuge. The selected provider will be responsible for the deployment and maintenance of weather stations, data loggers, and anemometers in high-elevation forest environments to measure localized wind speed and direction. All climatic data collection must strictly adhere to FGDC standards. The contractor is required to deliver raw climatic data sets, technical reports, and analyzed wind pattern maps. This opportunity falls under NAICS code 541360 and is managed by the Department of the Interior. Interested parties must submit their responses by the deadline of December 7, 2026.

POSTED

DEADLINE

Electrical Resistivity (ER) Surveying and GeophysicsThis subcontract involves providing Electrical Resistivity surveying and geophysics services for prime contractors working on Pennsylvania Department of Conservation and Natural Resources projects. The scope of work includes the deployment of electrodes, data collection along transects, equipment mobilization, and full site restoration. Additionally, the contractor is responsible for coordinating utility tickets and gathering raw datasets, including precise coordinates and elevation. Deliverables for this contract consist of raw datasets provided in ESRI or ASCII formats, along with ER profiles, reference maps, and detailed technical reports. The opportunity is categorized under NAICS code 541360, with a response deadline set for November 19, 2026.

Department of Conservation and Natural Resources

POSTED

DEADLINE

Bureau of Geological Survey Borehole Geophysics

Solicitation # 6100066788

The Pennsylvania Department of Conservation and Natural Resources, Bureau of Geological Survey, is soliciting an Invitation for Bids for borehole geophysics services to identify and characterize rocks and fluids in boreholes across the Commonwealth of Pennsylvania. The selected contractor will provide slim-tool, digital geophysical-logging and imaging services for both cased and uncased wells of various diameters and drilling methods, with the capability to log depths up to 1,500 feet. Required equipment includes a truck-mounted logging winch with at least a 4-conductor cable and a four-wheel-drive vehicle to access remote sites. All logging tools must have an outer diameter no greater than 5.1 cm, and data-sampling intervals must generally be at least every 3 cm. The contract has an initial term of one year, with a single award intended for the lowest responsive and responsible bidder. Deliverables include standard and derivative computed products for density, porosity, and temperature, as well as OTV/ATV survey reports featuring 3D virtual core views and 360-degree oriented displays. Data must be provided in paper and electronic formats, including TIFF, JPEG, PDF, WCL, and LAS. The contractor must comply with the Prevailing Wage Act, the Davis-Bacon Act, and the Equal Pay Law, while maintaining strict confidentiality and worker safety standards. Bids must be submitted electronically via the SRM system, and the contractor must certify they are not under suspension or debarment and have no outstanding tax liabilities with the Commonwealth.

Department of Conservation and Natural Resources

POSTED

DEADLINE

Bureau of Geological Survey Electrical Resistivity

Solicitation # 6100066832

The Pennsylvania Department of Conservation and Natural Resources Bureau of Geological Survey is seeking a contractor to perform Electrical Resistivity (ER) Surveys on an as-needed basis throughout the Commonwealth of Pennsylvania. These surveys will support geotechnical investigations, groundwater resource investigations, and geologic mapping efforts. The contractor is responsible for conducting ER Survey transects at predetermined sites, removing all equipment, and restoring the sites to their original state upon completion. Key deliverables include a report detailing data acquisition methods and interpretations, as well as labeled reference maps in PDF format, both of which must be submitted within 30 days of the work's completion. The contract features an initial one-year term with the possibility of four additional one-year renewals. Award selection is based on the lowest responsive and responsible bidder, with a strict requirement for timely and properly signed bids submitted via the SRM electronic system. The contractor must adhere to industry standards and comply with various legal mandates, including the Prevailing Wage Act, Davis-Bacon Act, and the Americans with Disabilities Act. Administrative requirements include establishing separate billing accounts for each using agency, with payments generally due 30 days after receipt of a proper invoice. Additionally, the contractor must certify they are not under suspension or debarment and maintain compliance with non-discrimination and sexual harassment laws.

Department of Conservation and Natural Resources

POSTED

DEADLINE

Geotechnical Survey & Soil AnalysisThis subcontract opportunity involves performing geotechnical surveys and soil analysis for prime contractors working on Commonwealth of Virginia facility projects. The selected provider will conduct subsurface investigations, including soil borings and laboratory testing, to determine soil bearing capacity and provide essential foundation recommendations. All work must be overseen by a Licensed Professional Geologist or Professional Engineer, culminating in the delivery of a comprehensive Geotechnical Report. The project is associated with the Virginia Department of Transportation and will be performed in Stony Creek. Interested parties must submit their responses by November 25, 2026. This effort falls under NAICS code 541360 and is specifically designed to support the structural integrity of DGS facility projects through precise soil analysis and engineering expertise.

Virginia Department of Transportation

POSTED

7 days ago

DEADLINE

in 14 days

AI Contract Overview

The contract involves providing a structural engineering evaluation and certification to ensure that a building complies with current seismic safety standards. This work is essential for verifying that the structure meets regulatory requirements related to earthquake resilience, thereby contributing to the safety and integrity of the building. The contract is categorized under NAICS code 541360, which pertains to engineering services, and is issued as a subcontract by the California Department of General Services. The solicitation for this project was posted on June 3, 2026, with a response deadline of June 20, 2026. While specific details about the location of performance and the point of contact are not provided, the contract is focused on seismic compliance verification to secure certification that the building adheres to established safety benchmarks. The scope highlights the importance of professional expertise in structural engineering to assess and validate the building's earthquake preparedness.