This Subcontract opportunity from California was posted on June 9, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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HVAC System Design and Specification Compliance

Closed

State & Local

Submission Closed06/12/2025, 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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The GLCA 318882 project involves providing lake access to the Bullfrog Area in Utah. The scope of work requires the design of a 150-foot-wide concrete launch ramp with a 10.5 percent grade servicing water surface elevations between 3700 and 3450. Additionally, the contract includes the design of a 16-acre asphalt parking area and a two-lane asphalt access road connecting the parking area to US 276. This solicitation is issued by WW Clyde and Co under NAICS code 541330 and is set aside for various small business categories, including SDVOSB, WOSB, HUBZone, and SDB. There is a specific requirement for an Indian Small Business Economic Enterprise. Interested parties should note the response deadline of November 12, 2026.

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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

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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.

Rockdale County Board of Commissioners

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DEADLINE

Architectural & Engineering Firms for Housing Rehabilitation

Solicitation # 26-27

Rockdale County is soliciting proposals from qualified architectural and engineering firms to provide professional services on an as-needed basis for its Repair and Revitalize Program. This program focuses on improving owner-occupied households by addressing structural deficiencies, health and safety concerns, accessibility needs, and building code requirements. The selected firm will be responsible for a comprehensive scope of work including professional evaluations, the preparation of repair drawings and technical specifications, engineering calculations, and construction-phase consultation. These services are intended to support projects funded through the Georgia Department of Community Affairs Community HOME Investment Program, and all work must be authorized in writing by the County. The contract follows a best-value selection process using a past performance, quality, and price trade-off, with professional qualifications and licensing carrying the highest weight at 25 percent. The term is for one year with the possibility of four additional one-year extensions. Requirements for the selected firm include maintaining Georgia professional licenses, providing certificates of insurance, and adhering to HUD Section 3 hiring preferences and Davis-Bacon labor standards. Proposals must be submitted via USB flash drive in PDF format to the Rockdale County Finance Department by December 10, 2026, and must include a business license, at least three professional references, and completed affidavit forms.

Rockdale County Board of Commissioners

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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, such as design, plan check, and project management. The contract term is three years, effective 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 delivered electronically via Bid Express by December 8, 2026, at 2:00 PM. Proposals are evaluated on a 100-point scale focusing on experience, timeliness, stakeholder collaboration, and regional presence. Selected contractors must accept the City's standard Service Level Agreement as-is and meet comprehensive insurance requirements, including commercial general liability of $1 million per occurrence and $2 million aggregate. Compensation is based on hourly rates or fixed fees as negotiated per task order, with monthly invoicing and a 30-day payment cycle. All work is subject to appropriated funding and must comply with California Environmental Quality Act and prevailing wage laws for contracts exceeding $1,000.

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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

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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 19 hours ago

DEADLINE

in 28 days

AI Contract Overview

The City of Glendale in California is seeking a subcontractor for HVAC System Design and Specification Compliance. The primary objective of this contract is to ensure that all proposed HVAC units meet or exceed the required technical specifications. Additionally, the selected contractor will be responsible for preparing comprehensive submittal packages for any equipment proposed as an equivalent alternative. This opportunity is categorized under NAICS code 541330 and was posted on June 9, 2025. Interested parties must submit their responses by the deadline of June 13, 2025. Further details and submission portals are available through the PlanetBids system.