This Subcontract opportunity from California was posted on September 24, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Geotechnical Engineering & Site Assessment

Closed

State & Local

Submission Closed10/15/2026, 05:00:00 PM PDT

Contract Overview

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

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NAICS: 541330

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Geotechnical Investigation & Soil AnalysisThis subcontract for Geotechnical Investigation and Soil Analysis involves performing subsurface investigations for prime contractors working on Montana Department of Transportation interstate culvert projects. The scope of work includes conducting soil boring, sampling, and laboratory testing of soil properties to establish necessary recommendations for structural support and bedding materials. The selected provider will be responsible for delivering comprehensive soil boring logs and Geotechnical Investigation Reports. This opportunity is categorized under NAICS code 541330 and was posted on November 10, 2026, with a response deadline of December 9, 2026.

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Geotechnical InvestigationThis subcontract for Geotechnical Investigation involves performing soil borings and subsurface analysis to support prime contractors on Montana Department of Transportation infrastructure projects. The scope of work includes field drilling, soil sampling, and laboratory testing, culminating in the delivery of a Geotechnical Investigation Report and specific foundation bearing capacity recommendations. Qualified providers must hold a Professional Engineer license with a specialty in Geotechnical engineering. The solicitation was posted on November 10, 2026, with a response deadline of December 9, 2026. This opportunity falls under NAICS code 541330 and is managed through the State of Montana.

Montana

POSTED

about 13 hours ago

DEADLINE

in 28 days

AI Contract Overview

The City of Manteca is seeking a subcontractor for Geotechnical Engineering and Site Assessment services to support railroad grade separation projects. The selected provider will perform soil and subsurface analysis, utilizing drilling rigs for sampling and testing to evaluate geotechnical challenges and assess the impact on canals and drainage systems. The final deliverables include comprehensive geotechnical reports and specific foundation recommendations. To qualify for this engagement, the contractor must hold a Professional Engineer license in Geotechnical Engineering. This opportunity falls under NAICS code 541330 and is located in Manteca, California. Interested parties must submit their responses by October 16, 2026.

General Info

Manteca seeks licensed geotechnical engineers for railroad grade separation projects by October 16, 2026.

Agency

California → City Of Manteca

NAICS

541330 - Engineering Services

Place of Performance

Manteca, CA, 95337, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260924005.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Railroad Grade Separation Feasibility Study For Airport Way & McKinley Avenue

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Timeline

PhaseClosed

PostedSep 24

subcontract

Response DeadlineOct 15

Deadline has passed

Submission Closed

10/15/2026, 05:00:00 PM PDT

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Organization & Contact Information

AgencyCalifornia → City Of Manteca

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City Of Manteca

Office AddressN/A

ContactsNo contact information available

Full Description

Performs soil and subsurface analysis for prime contractors on City railroad grade separation projects. Conducts subsurface soil sampling and testing using drilling rigs to analyze geotechnical challenges and assess drainage and canal impacts. Requires Professional Engineer (PE) license in Geotechnical Engineering. Delivers geotechnical reports and foundation recommendations.