This Subcontract opportunity from California was posted on October 29, 2025. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Tunnel and Bridge Design Specialization

Closed

State & Local

Submission Closed01/07/2026, 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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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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Structural Plans and Site MappingThis subcontract opportunity involves providing technical drawings and plans for prime contractors working on City of West Sacramento facility projects. The selected provider will be responsible for creating detailed site plans that identify property lines, setbacks, and carport locations, as well as developing comprehensive structural plans using CAD software to detail roof framing, beams, posts, bracing, and connection specifications. A critical requirement for this contract is that all work must be completed by a Licensed Professional Engineer in the State of California. The final deliverables consist of signed and sealed site and structural plans necessary for obtaining building permits. Interested parties must submit their responses by December 1, 2026.

Capital Projects - Construction

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Structural Engineering and VerificationThis subcontract for Structural Engineering and Verification supports prime contractors on projects for the 22nd District Agricultural Association. The selected provider will perform structural analysis and verification of mounting surfaces and poles to ensure they can safely support the installation of new LED boards. The primary deliverables include a comprehensive structural verification report and formal engineering sign-off. To qualify for this engagement, the contractor must hold a valid California Professional Engineer license and maintain DIR registration. Interested parties must submit their responses by December 8, 2026, under NAICS code 541330.

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Specialized Technical AssessmentsThe Specialized Technical Assessments subcontract involves providing condition, seismic, and resilience assessments for water infrastructure projects managed by the Sunrise Water Authority in Alley, Oregon. The scope of work includes performing structural evaluations, corrosion analysis, and electrical instrumentation and control evaluations. To execute these tasks, the contractor must utilize structural analysis software and corrosion monitoring tools to deliver detailed condition and seismic vulnerability reports. Qualified candidates must hold Professional Engineer licensure in either the structural or electrical disciplines. This opportunity is categorized under NAICS code 541330 and was posted on November 6, 2026, with a response deadline of December 11, 2026. The selected subcontractor will support prime contractors in ensuring the long-term stability and resilience of critical water infrastructure.

Sunrise Water Authority

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RFQ No. 2627-11-001 - On-Call Water System Engineering Services

Solicitation # 2627-11-001

The Sunrise Water Authority is seeking Statements of Qualifications from professional engineering firms to establish a consultant pool for on-call water system engineering services. The scope of work encompasses planning and hydraulic modeling, the design and assessment of pipelines up to 36 inches, pump stations, water storage reservoirs, and aquifer storage and recovery wells. Additionally, the authority requires support for construction management, bid support, program management, and owner's representation. All deliverables must be constructible and compatible with CAD, Esri ArcGIS, and Microsoft Office software, adhering to standards set by the Sunrise Water Authority, ODOT, Clackamas County, and the City of Happy Valley. The selection process is based on qualifications rather than pricing, with a maximum score of 100 points awarded across project experience, key personnel, firm capacity, management approach, and past performance. To be eligible, firms must have at least five years of experience under the same business name or a principal with ten years of relevant experience, and the team must include an Oregon-registered Professional Engineer. Selected firms will enter into a Master Services Agreement with an initial three-year term and a possible two-year extension. Work will be assigned via individual Task Orders, typically with estimated fees of $250,000 or less. Submissions must be delivered in Adobe PDF format to the procurement office by the specified deadline.

Sunrise Water Authority

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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 pool of qualified firms for on-call engineering and professional services. The scope covers a wide array of disciplines, including civil, structural, electrical, environmental, architectural, and transportation services, among others. The city intends to select up to five firms per discipline for a three-year contract term beginning July 1, 2027, and ending June 30, 2030, with an option for a one-year extension. Eligible firms must maintain a principal office in the San Francisco Bay Area. Work will be assigned through individual Task Orders, with compensation based on either fixed fees or hourly rates. The selection process utilizes a 100-point ranking system to shortlist firms for interviews. Applicants must submit their qualifications via Bid Express by December 8, 2026, at 2:00 PM. Submissions must include a cover letter explicitly accepting the City's Service Level Agreement as-is, professional resumes, work references, and a history of litigation or contract terminations from the last five years. Contractors are required to maintain comprehensive insurance, including commercial general liability of at least one million dollars per occurrence and workers compensation as required by California law. Payments are processed monthly within 30 days of receipt, though all authorized work is contingent upon appropriated funding. Additionally, contractors must adhere to state prevailing wage laws for any contract exceeding one thousand dollars.

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The San Joaquin County Department of Public Works is seeking qualifications from construction management firms to provide professional and technical services for construction administration and project inspection on an as-needed basis. The scope of work covers a wide range of infrastructure projects, including roadway resurfacing, reconstruction, waterline installation, and bridge repairs. Required services may include resident engineering, construction inspection, plan reviews, public outreach, and environmental monitoring. The agency intends to establish an on-call list of up to four consulting firms for an initial two-year period, with several options for one-year extensions. Each selected consultant will operate under a purchase agreement with an aggregate assignment value not to exceed 200,000 dollars per fiscal year. Payments will be based on actual cost plus a fixed fee, and while subconsultants are permitted with prior written approval, all work must adhere to local, state, and federal requirements as well as county standards.

San Joaquin County Department of Public Works

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Wastewater Treatment Plant Design & EngineeringThis subcontract for Wastewater Treatment Plant Design and Engineering involves providing technical design and engineering services to support capacity expansion for City of Orange Beach projects. The selected contractor will work under prime contractors to develop technical specifications and design drawings, utilizing hydraulic modeling software and plant capacity analysis tools. Key deliverables include final engineering designs, technical specifications, and construction administration reports. Qualified candidates must hold a Professional Engineer license and ensure all work complies with EPA-designated recovered materials standards. This opportunity is categorized under NAICS code 541330, with a response deadline of December 3, 2026.

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RFQ-Engineering Services for Wastewater Treatment Facility Capacity Expansion

Solicitation # 2026-1203

The City of Orange Beach is soliciting qualifications for engineering services to expand its wastewater treatment facility capacity from 10 MGD to 15 MGD to accommodate population growth and tourism fluctuations. The project focuses on improving an existing Schreiber System facility and encompasses a comprehensive scope of work including preliminary engineering, hydraulic modeling, asset condition evaluation, and the development of a master plan. The selected firm will be responsible for securing all necessary permits, creating detailed construction plans for civil, structural, mechanical, electrical, and SCADA system upgrades, and providing assistance with grant and loan applications through programs such as the State Revolving Fund, USDA, or federal EDA. Proposals are submitted via the OpenGov eProcurement Portal by December 3, 2026. Evaluation is based on a 100-point scale, weighting background and experience on similar projects and the method of approach at 35 points each, with management qualifications and schedule commitment at 15 points each. The city will rank firms by score and negotiate with the highest-ranked firm first. Applicants must be registered in the System for Award Management (SAM) and provide a Unique Entity ID (UEI). The contract mandates strict compliance with federal and state regulations, including the Davis-Bacon Act, the Contract Work Hours and Safety Standards Act, the Build America, Buy America Act for domestic material preferences, and the Byrd Anti-Lobbying Amendment.

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Setback Levee Projects - Architecture and Engineering Services

Solicitation # 2026-RFQ-260

Pierce County Planning and Public Works is soliciting qualifications for architecture and engineering services under RFQ 2026-RFQ-260 to design setback levee and revetment projects along the Puyallup River. The primary objectives are to reduce flood risk and improve aquatic habitats across four project areas: the Northeast, Northwest, Southwest, and Southeast quadrants. The scope of work includes developing a comprehensive delivery strategy and producing Plans, Specifications, and Estimates (PS&E). Specifically, the consultant will provide designs up to 100 percent for the NE, NW, and SW quadrants, while the SE quadrant requires 30 percent design for three setback alternatives and a no-change alternative. Key technical deliverables include hydrologic and hydraulic modeling, geotechnical evaluations, property acquisition plans, and support for FEMA Conditional Letter of Map Condition (CLOMR) applications. The resulting Professional Services Agreement is anticipated to have an initial term of 12 months, with an option for the County to renew for an additional three years. Performance will follow a structured Stage Gate Delivery Process to ensure consistency from inception through closeout. Proposals are due by November 25, 2026, via the County's eProcurement Portal and will be evaluated on a points-based system to select the most qualified team. The selected contractor must comply with RCW 39.12 prevailing wage requirements and various federal non-discrimination laws. Payments will be processed monthly through the County voucher system based on documented units of work performed.

Planning and Public Works

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Stormwater Hydraulic Analysis ServicesThis subcontract for Stormwater Hydraulic Analysis Services involves providing technical hydraulic analysis for prime contractors working on projects for the Hall County Board of Commissioners in Georgia. The primary scope of work focuses on conducting pre- and post-construction analysis for a 72-inch pipe located in a live stream to ensure that hydraulic capacity is properly maintained. The selected provider will be required to utilize specialized hydraulic modeling software, specifically HEC-RAS, to generate and deliver detailed Hydraulic Analysis Reports. To qualify for this engagement, the service provider must hold a valid Professional Engineer license in the State of Georgia. The opportunity was posted on November 6, 2026, with a response deadline of December 3, 2026. This project falls under NAICS code 541330, reflecting its nature as a professional engineering service.

Hall County Board of Commissioners

POSTED

about 19 hours ago

DEADLINE

in 26 days

AI Contract Overview

The California Department of Transportation is seeking a subcontractor for the Tunnel and Bridge Design Specialization project. This contract focuses on providing specialized engineering services to develop structural and operational designs for various tunnel and bridge alternatives. The solicitation was posted on October 29, 2025, with a response deadline set for January 8, 2026. The work falls under NAICS code 541330, and interested parties can find further details through the Cal eProcure portal.