This Subcontract opportunity from California was posted on June 27, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Professional Engineering & Design Services

Closed

State & Local

Submission Closed07/20/2025, 05:00:00 PM PDT

Contract Overview

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

Active Opportunities Like This One

NAICS: 541330

New

GLCA 318882 - Provide Lake Access to Bullfrog Area

Solicitation # glca-318882-provide-lake-access-bullfrog-area

The GLCA 318882 project, managed by WW Clyde & Co, involves the design of lake access infrastructure in the Bullfrog Area of Utah. The scope of work includes the design of a 150-foot-wide concrete launch ramp with a 10.5 percent grade servicing water surface elevations between 3450 and 3700. Additionally, the project requires the design of a 16-acre asphalt parking area and a two-lane asphalt access road connecting the parking facility to US 276. This solicitation is set aside for small businesses, including SDVOSB, WOSB, HUBZone, and SDB designations, and specifically includes an Indian Small Business Economic Enterprise requirement. Interested parties must respond by November 12, 2026. The project falls under NAICS code 541330 for engineering services.

POSTED

DEADLINE

Business Impact Analysis and Update Disaster Recovery Plan Services – Inland Empire Utilities Agency

Solicitation # business-impact-analysis-update-disaster-recovery-plan-services-inland-empire-utilities-agency

Aanko Technologies Inc. is soliciting certified Disadvantaged Business Enterprise and Small Business Enterprise sub-consultants and suppliers to provide specialized professional services for the Inland Empire Utilities Agency in San Bernardino and Riverside Counties, California. The scope of work focuses on emergency management, business continuity planning, technical writing, data collection, and the updating of IT and disaster recovery plans. Eligible firms should operate under NAICS codes related to administrative management, engineering services, computer systems design, or public relations and technical writing. Interested parties must submit their responses by November 17, 2026. Primary inquiries regarding this opportunity should be directed to Liz Jordan-Wettstein.

Aanko Technologies Inc.

POSTED

DEADLINE

2027-2030 On-Call Engineering and Professional Services

Solicitation # 49733

The City of San Rafael is soliciting Statements of Qualifications from consultants and contractors to establish a pre-qualified list of up to five firms per discipline for on-call engineering and professional services. The scope covers a wide array of disciplines, including architectural, civil, electrical, environmental, structural, and transportation services, among others. The resulting contracts will be managed through individual task orders for specific projects, with compensation based on either fixed fees or hourly rates. The contract term is three years, effective from July 1, 2027, through June 30, 2030, with an option for a one-year extension. Eligible firms must maintain a principal office in the San Francisco Bay Area and obtain a City of San Rafael business license. Submissions must be made electronically via Bid Express by December 8, 2026, at 2:00 PM. Evaluation is based on a 100-point system focusing on experience, timeliness, budget management, and stakeholder relations. Selected contractors must adhere to strict insurance requirements, including commercial general liability of $1 million per occurrence and $2 million aggregate, and must accept the City's standard Service Level Agreement as-is. Payments are processed monthly within 30 days of receipt, and all work is subject to the availability of appropriated funding.

POSTED

DEADLINE

Marine Stability & Ballast SpecialistThis subcontract for Marine Stability and Ballast Specialist services supports prime contractors on ferry projects for the Chatham Area Transit Authority in Georgia. The selected provider is responsible for conducting stability testing, which includes supplying the necessary personnel and weights, as well as the subsequent installation of lead ballast and flotation foam based on the resulting stability analysis. The contractor must ensure that all final installations meet the satisfaction of the USCG OCMI and deliver a comprehensive stability test report upon completion. Interested parties should note the response deadline of January 22, 2027, for this specialized technical engagement categorized under NAICS code 541330.

Chatham Area Transit Authority

POSTED

DEADLINE

Hydrology and Hydraulic (H&H) AnalysisThis subcontract opportunity is for the provision of Hydrology and Hydraulic (H&H) Analysis services to support prime contractors on Montana Department of Transportation remediation projects. The selected provider will be responsible for performing water flow analysis, drainage analysis, and flood risk assessments utilizing HEC-RAS or HEC-HMS software. The final deliverables for these assignments include a comprehensive Hydrology and Hydraulic report along with all necessary supporting data. Qualified candidates must hold a Professional Engineer license to perform this work under NAICS code 541330. The solicitation was posted on November 10, 2026, with a response deadline of December 9, 2026. Interested parties can find further details through the State of Montana procurement portal.

POSTED

DEADLINE

Civil and Structural Engineering ServicesThis subcontract for Civil and Structural Engineering Services involves providing specialized engineering design and analysis for prime contractors working on Montana Department of Transportation ditch remediation projects. The scope of work includes conducting structural analyses of existing ditch structures, developing comprehensive remediation plans, and preparing detailed engineering drawings that adhere to MDT standards. The selected provider must hold a Professional Engineer license in the state of Montana to deliver signed and sealed engineering plans, structural calculations, and technical specifications. This opportunity is categorized under NAICS code 541330, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

Structural Engineering (Culvert Design)This subcontract for Structural Engineering focuses on the detailed structural design of culvert replacements for prime contractors working on Montana Department of Transportation interstate projects. The scope of work includes the design of arch structures, box culverts, and reinforced concrete pipe, culminating in the delivery of technical specifications, detailed construction drawings, and final structural calculations. The opportunity is categorized under NAICS code 541330 and is associated with the state of Montana. Interested parties must adhere to the timeline established by the posting date of November 10, 2026, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

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.

POSTED

DEADLINE

Hydrologic and Hydraulic (H&H) AnalysisThis subcontract for Hydrologic and Hydraulic (H&H) Analysis involves providing specialized water flow modeling and hydraulic calculations for prime contractors working on Montana Department of Transportation interstate culvert projects. The scope of work includes analyzing watershed data, calculating peak flow rates, and modeling water velocity to ensure culvert sizing adheres to both state and federal standards. The selected provider will be responsible for delivering comprehensive H&H Analysis Reports, detailed sizing calculations, and hydraulic modeling data. This opportunity falls under NAICS code 541330 and is associated with the state of Montana, with a response deadline set for December 9, 2026.

POSTED

DEADLINE

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.

POSTED

DEADLINE

Hydrologic and Hydraulic EngineeringThis subcontract for Hydrologic and Hydraulic Engineering involves providing specialized water flow analysis and hydraulic modeling for prime contractors working on Montana Department of Transportation river crossing projects. The scope of work includes conducting scour analysis, floodplain mapping, and drainage design utilizing HEC-RAS and HEC-HMS software to ensure compliance with FEMA and MDT hydraulic requirements. The selected provider must employ a licensed Professional Engineer to deliver comprehensive hydraulic analysis reports and detailed drainage maps. Interested parties should note the response deadline of December 9, 2026, for this opportunity categorized under NAICS code 541330.

POSTED

DEADLINE

Transportation Engineering DesignThis subcontract for Transportation Engineering Design involves providing primary engineering design services for transportation infrastructure on Montana Department of Transportation projects. The selected contractor will be responsible for roadway alignment, geometric and pavement design, and the creation of construction plans and specifications that adhere to MDT standards. Technical execution requires proficiency in Civil 3D or MicroStation to deliver finalized, signed, and sealed engineering plans. A mandatory requirement for this engagement is a Professional Engineer license valid in the state of Montana. Interested parties must submit their responses by December 9, 2026. The project falls under NAICS code 541330 and is managed through the State of Montana procurement system.

Montana

POSTED

about 8 hours ago

DEADLINE

in 29 days

AI Contract Overview

The Public Works Engineering Division of California is seeking a subcontractor for Professional Engineering and Design Services. The scope of work focuses on the provision of engineering design and technical planning, specifically for the development of landfill gas and leachate control systems. Required deliverables include the creation of detailed plans, specifications, and technical reports. This opportunity is categorized under NAICS code 541330. The solicitation was posted on June 27, 2025, and interested parties must submit their responses by the deadline of July 21, 2025.

General Info

California seeks engineering subcontractors for landfill gas and leachate system design by July 21.

Agency

California → Public Works-Engineering Division

NAICS

541330 - Engineering Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

This scope was carved out of RFP194618.

The full solicitation package (8 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Landfill Gas and Leachate Control Systems Monitoring, Reporting, and Well Installation Services

AI Contract Breakdown

Uniform Contract Format

No documents to break down

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

Timeline

PhaseClosed

PostedJun 27

subcontract

Response DeadlineJul 20

Deadline has passed

Submission Closed

07/20/2025, 05:00:00 PM PDT

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

AgencyCalifornia → Public Works-Engineering Division

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → Public Works-Engineering Division

Office AddressN/A

ContactsNo contact information available

Full Description

Provision of engineering design, technical planning, and deliverables such as plans, specifications, and reports for landfill gas and leachate control systems.