This Subcontract opportunity from California was posted on November 5, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Commissioning, Activation, and Simulation (CAS) Services

Closed

State & Local

Submission Closed12/18/2025, 04:00:00 PM PST

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

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Aanko Technologies Inc.

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Building Condition Assessment and Evaluation ServicesThe Building Condition Assessment and Evaluation Services subcontract, issued by the Rockdale County Board of Commissioners in Georgia, involves performing detailed evaluations of existing facilities for prime contractors on County professional services projects. The selected provider will conduct site visits and physical inspections to document structural issues, wear, and defects, ultimately delivering a comprehensive written Condition Assessment Report that includes professional findings and remediation recommendations. To qualify for this engagement, service providers must hold Professional Engineering or Registered Architect licenses. The solicitation was posted on November 11, 2026, with a response deadline of December 10, 2026. This opportunity falls under NAICS code 541330, focusing on specialized engineering and architectural assessment services.

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Architectural & Engineering Firms for Housing Rehabilitation

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Rockdale County Board of Commissioners

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2027-2030 On-Call Engineering and Professional Services

Solicitation # 49733

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Chatham Area Transit Authority

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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.

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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.

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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.

Montana

POSTED

about 17 hours ago

DEADLINE

in 28 days

AI Contract Overview

SFO Construction is seeking a subcontractor to provide Commissioning, Activation, and Simulation (CAS) services. The primary scope of work involves leading the commissioning of critical building systems, specifically focusing on HVAC, electrical, IT, and security. The selected provider will be responsible for ensuring operational readiness through rigorous testing, simulation, and detailed planning. This opportunity is categorized under NAICS code 541330. Interested parties must submit their responses by the deadline of December 19, 2025. Further details regarding the project can be accessed through the SFO Construction procurement portal.