This Government Contract opportunity from California was posted on August 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Geotechnical & Subsurface Investigation

Closed

State & Local

Submission Closed09/10/2026, 09:00:00 PM UTC

Contract Overview

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

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NAICS: 541330

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Homer System 4 Float Replacement Project Management - Part 1

Solicitation # 49024

The City of Homer, Alaska, is seeking a qualified engineering firm to provide project management services for the System 4 Float Replacement Project. This initiative involves replacing a section of the harbor basin located near the boat launch ramp and Freight Dock Road. The project has been awarded as a design-build contract to Turnagain Marine Construction and requires a manager to oversee design, environmental permitting, and general administration. Funding for the project is provided through grants from the Denali Commission and the U.S. Department of Transportation Maritime Administration. The selected project manager will be responsible for ensuring strict compliance with federal grant requirements and coordinating communication between the city, the funding agencies, and the contractor. This solicitation, identified as number 49024, has a response deadline of October 15, 2026.

POSTED

DEADLINE

RFP for Professional Consulting Services for the Pavement Management Program Update 2027

Solicitation # 2026-05

The City of Tustin is seeking a professional consultant to update its Pavement Management Program to ensure eligibility for 2027 M2 funding. The scope of work includes updating the pavement inventory, conducting ASTM D6433-compliant condition surveys, and utilizing StreetSaver software to forecast PCI values and develop a seven-year maintenance and rehabilitation plan. All deliverables must adhere to the April 2026 Countywide Pavement Management Plan Guidelines and Orange County Transportation Authority standards. The selected consultant will be responsible for the accuracy of all inspections and must implement a quality assurance process that includes independent reinspection of at least five percent of pavement sections. This solicitation, numbered 2026-05, utilizes a Qualifications Based Selection process with a maximum contract obligation of 115,000 dollars. Proposals are evaluated on a 100-point scale focusing on technical approach, personnel qualifications, firm experience, and reference checks. Required submission documents include a main proposal limited to 15 pages, a separate fee proposal, and a notarized Non-Collusion Affidavit. The successful firm must maintain general, auto, and professional liability insurance with limits of 2,000,000 dollars per occurrence or claim. Performance begins with a project kickoff and the submission of a detailed schedule within two weeks of the Notice to Proceed.

POSTED

DEADLINE

Design Services For Electric Vehicle Charging Infrastructure For The City Of Pinole

Solicitation # 20261008066

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DEADLINE

El Molino Avenue Demonstration Project

Solicitation # 20261008064

City of Pasadena, California

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DEADLINE

X14PS01- Request for Qualification

Solicitation # 49313

The Massachusetts Bay Transportation Authority Capital Programs Division is seeking consulting services to develop a preliminary design for the modernization of Blue Line signals. The scope of work includes the creation of block designs, control lines, route and aspect charts, and point to point cable plans. Additionally, the selected consultant will be responsible for providing a safe breaking and headway report, vehicle models detailing cab signal interactions, typical details for field devices and switch machines, and strategic recommendations for equipment room locations. This solicitation, identified by number 49313, was posted on October 9, 2026, with a response deadline of October 22, 2026. The project falls under NAICS code 541330 and will be performed within the state of Massachusetts. Interested parties must submit their qualifications through the specified procurement channel by the established cutoff date.

Massachusetts Bay Transportation Authority (MBTA) - Capital Programs Division

POSTED

DEADLINE

The Virginia Department of Transportation is soliciting expressions of interest from engineering consulting firms to provide professional services for transportation projects across the state. The scope of work includes pavement evaluation, testing, and design, as well as geotechnical investigation, testing, evaluation, and design, along with other specialized pavement engineering services. This solicitation, identified as MAT20260929 under solicitation number 49284, was posted on October 9, 2026, with a response deadline of October 21, 2026. The procurement falls under NAICS code 541330 and is open to qualified firms, with a specific note that the agency does not discriminate against faith-based organizations in accordance with the Code of Virginia.

Virginia Department of Transportation - Consultant Procurement

POSTED

DEADLINE

The Macomb County Department of Roads is soliciting proposals for Innovative Signal Optimization services for a five-year period from January 1, 2027, through December 31, 2031. The scope of work involves optimizing approximately 70 signal locations per project, with a mandatory requirement for the use of vehicle probe data and the acquisition of Flow Labs licensing, specifically Luminus Probe-Based Signal Performance Measures and Luminus Plus Integrated Signal Performance Measures. The project is structured as a cost-plus-fixed-fee contract, with total potential funding across various CMAQ and CRP allocations estimated at 2 million dollars, divided into eight separate 250,000 dollar funding segments. Selection is strictly quality-based, and the single highest-ranked firm will be invited to submit a cost proposal. To be eligible, consultants must be MDOT prequalified for Design - Traffic Signal Operations. Proposals must be submitted via Bid Express by November 3, 2026, and must not exceed seven pages, excluding resumes. Any proposal containing pricing or rate schedules will be rejected. Award criteria include a review of MDOT prequalification, conflicts of interest, and adherence to DBE goals. Additionally, the selected contractor must maintain comprehensive insurance coverage licensed in the State of Michigan, including general liability, auto liability, and umbrella/excess liability.

Macomb County Department of Roads

POSTED

DEADLINE

Preliminary Bridge and Culvert EngineeringThis subcontract for Preliminary Bridge and Culvert Engineering involves the development of 30 percent engineering designs for prime contractors working on Town of Wetherfield culvert projects. The selected provider will be responsible for preparing preliminary plan sets, profiles, and inlet and outlet treatments utilizing AutoCAD or MicroStation, while also evaluating rehabilitation options such as slip-lining or Cured-in-Place Pipe. All work must be performed by a licensed Professional Engineer and adhere strictly to CTDOT manuals and AASHTO LRFD standards. The primary deliverables for this engagement include a Preliminary Engineering Report and a Preliminary Plan Set. Managed by DAS Procurement for the state of Connecticut under NAICS code 541330, the solicitation was posted on October 9, 2026, with a response deadline of November 6, 2026.

POSTED

DEADLINE

Hydrologic, Hydraulic, and Scour AnalysisThis subcontract for Hydrologic, Hydraulic, and Scour Analysis involves providing specialized technical modeling for prime contractors working on culvert projects for the Town of Wetherfield. The selected provider will be responsible for conducting hydrologic and hydraulic modeling of natural, existing, and proposed conditions, as well as performing scour analysis utilizing HEC-RAS software. All work must be performed in strict adherence to CTDOT and DEEP guidelines, and the project requires the expertise of a licensed Professional Engineer. The final deliverables for this engagement include comprehensive analysis models, profiles, cross sections, and detailed narrative reports. This opportunity is managed through DAS Procurement for the state of Connecticut under NAICS code 541330. Interested parties must submit their responses by the deadline of November 6, 2026.

POSTED

DEADLINE

IMPROVEMENTS TO COPPERMILL RD CULVERT ALONG GOFF BROOK

Solicitation # 2027-01

The Town of Wethersfield is soliciting proposals from qualified consulting firms to provide engineering services for the replacement of the Coppermill Road culvert along Goff Brook, identified as Bridge No. 159012. The primary objective is to develop preliminary engineering documents and a 30 percent design to support the Town's application for construction funding through the State Local Bridge Program. The scope of work encompasses project management, surveying by a Connecticut Licensed Land Surveyor, culvert inspection, hydrologic, hydraulic, and scour analysis, and an evaluation of alternatives including full replacement or rehabilitation methods such as slip-lining or cured-in-place pipelining. Key deliverables include a preliminary engineering report, a preliminary plan set, a construction cost estimate, a permit identification memorandum, and a project risk register, all provided in PDF and editable native formats. Proposals are due by 12:00 p.m. on November 6, 2026, and must be submitted as three color hard copies and one digital PDF to the Town of Wethersfield Finance Department. Award selection is based on consultant qualifications, with a focus on professional expertise, experience with Connecticut municipalities, and a demonstrated capacity to meet the scope of services. Required submission materials include a not-to-exceed fee proposal, resumes of key personnel, five professional references, and evidence of at least three similar projects completed within the last five years. Additionally, firms must provide a Certificate of Insurance and comply with the Connecticut Fair Employment Practices Act by submitting an Equal Opportunity Policy Statement and a detailed fair employment practices questionnaire.

POSTED

DEADLINE

Electrical Power System Coordination Study ServicesThis subcontract opportunity is for Electrical Power System Coordination Study Services to support prime contractors on Department of Veterans Affairs facility projects in Cleveland, Ohio. The selected provider will perform electrical engineering coordination studies, specifically analyzing system faults to establish correct settings for Adjustable Breaker Settings and Automatic Transfer Switches. The final deliverable for this engagement is a formal Coordination Study report that details all required device settings. This is a total Small Business Set Aside under NAICS code 541330. Due to the technical nature of the work, the performing engineer must hold a Professional Engineer license. Interested parties should note the response deadline of October 19, 2026, for this requirement managed by the Department of Veterans Affairs Network Contract Office 10.

250-NETWORK Contract Office 10 (36C250)

POSTED

DEADLINE

Armor System Design and Engineering ServicesThe Armor System Design and Engineering Services subcontract involves the creation of new armor systems and the modification of existing designs for prime contractors supporting U.S. Secret Service vehicle projects. The scope of work includes conceptual layout, material selection, and detailed engineering focused on weight distribution and stability. These tasks are performed using CAD and ballistic modeling tools within a DCSA-approved classified workspace to ensure security and precision. All deliverables must adhere to strict DOD Mil-Specs, ASTM, UL, and NIJ standards. The selected provider is responsible for delivering comprehensive engineering drawings, fabrication procedures, and installation manuals. This effort falls under NAICS code 541330 and is managed under the Department of Homeland Security for the U.S. Secret Service, with a response deadline of January 8, 2027.

U S Secret Service

POSTED

1 day ago

DEADLINE

in 3 months

AI Contract Overview

This subcontract opportunity with the County of Calaveras involves providing geotechnical engineering studies and subsurface investigations for facility projects. The selected provider will work with prime contractors to conduct soil sampling and analysis to determine specific site conditions, culminating in the delivery of a comprehensive Geotechnical Engineering Study report. The solicitation is categorized under NAICS code 541330 and was posted on August 12, 2026. Interested parties must submit their responses by the deadline of September 10, 2026.

General Info

Calaveras County seeks geotechnical engineering and subsurface investigation services by September 10, 2026.

Agency

California → County of Calaveras

NAICS

541330 - Engineering Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of 25-1040-23-909.

The full solicitation package (31 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Construction of the New District Attorney Office Building

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Timeline

PhaseClosed

PostedAug 12

subcontract

Response DeadlineSep 10

Deadline has passed

Submission Closed

09/10/2026, 09:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → County of Calaveras

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → County of Calaveras

Office AddressN/A

ContactsNo contact information available

Full Description

Performs geotechnical engineering studies and subsurface investigations for prime contractors on Calaveras County facility projects. Conducts soil sampling, analysis, and reporting to determine site conditions. Delivers the Geotechnical Engineering Study report.

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