Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Provide structural engineering services and related construction project management support for the repair, retrofit, and design of new hydraulic structures and appurtenances.
• Quantity: -  Unit: -  Work Item: Prepare full, complete, and accurate sets of contract drawings and specifications.
• Quantity: -  Unit: -  Work Item: Develop complete formal calculations for independent peer review and regulatory review (Federal Energy Regulatory Commission (FERC), Division of Safety of Dams (DSOD)), including all necessary revisions and responses.
• Quantity: -  Unit: -  Work Item: Conduct finite element calculations for beams, plates, and solids using SAP2000, RISA3D, LS-DYNA, or Abaqus FEA software.
• Quantity: -  Unit: -  Work Item: Perform time history seismic structural analysis, nonlinear static and dynamic structural analysis, and nonlinear static and seismic soil-structure interaction analysis for foundations and earth retention.
• Quantity: -  Unit: -  Work Item: Conduct structural analysis considering hydrodynamic forces and effects.
• Quantity: -  Unit: -  Work Item: Provide engineering for anchoring in concrete, rock, and soil.
• Quantity: -  Unit: -  Work Item: Prepare informal and formal construction schedule and cost estimates for preliminary designs and final contract documents, including Gantt charts, consistent with national standards for heavy civil work.
• Quantity: -  Unit: -  Work Item: Prepare technical presentations, memorandums, reports, and studies, including value engineering and engineering alternatives studies, Quality Control and Quality Assurance documents, and Final Design Reports.
• Quantity: -  Unit: -  Work Item: Prepare for, attend, and participate in risk workshops, including providing risk estimates for specific facilities.
• Quantity: -  Unit: -  Work Item: Provide pre-project scoping services, including detailed engineering scope and timeline estimates for complex projects.
• Quantity: -  Unit: -  Work Item: Provide 3-dimensional modeling and renderings using Revit, Fusion 360, AutoCAD, Inventor, Solidworks, or Microstation software.
• Quantity: -  Unit: -  Work Item: Provide field inspection and special inspection services for new and existing steel, stainless steel, and concrete structures.
• Quantity: -  Unit: -  Work Item: Provide condition assessment and retrofit solutions for existing structures.
• Quantity: -  Unit: -  Work Item: Provide retrofit and repair contract documents for existing structures, including drawings, specifications, and bid items.
• Quantity: -  Unit: -  Work Item: Provide Project Management, including project coordination, internal quality control, document management, budgeting, and schedule updates.
• Quantity: -  Unit: -  Work Item: Provide construction phase support, including answering contractor questions, reviewing submittals, issuing revisions, and performing inspection and structural observation at active construction sites.
• Quantity: -  Unit: -  Work Item: Provide neat and orderly final documentation for archiving, such as final stamped and signed reports, calculations, as-built drawings, and specifications.
• Quantity: -  Unit: -  Work Item: Perform laboratory and field testing for new and existing structural materials, including steel, stainless steel (ASTM A370), concrete, cementitious materials (ASTM C39, C157, C856), and chemical grout materials (ASTM C1583).
• Quantity: -  Unit: -  Work Item: Prepare for, attend, and host technical workshops for pre-project planning and problem-solving.
• Quantity: -  Unit: -  Work Item: Provide technical training to DWR staff, including advanced structural engineering theory, code interpretation, and software application.

NAICS Classification

NAICS 541330 – Engineering Services (Structural, Civil, Geotechnical, and Hydraulic Engineering design, analysis, repair, and retrofit of hydraulic structures; project and construction management support; finite element analysis; seismic and hydrodynamic structural analysis; foundation engineering)., NAICS 541340 – Drafting Services (Preparation of engineering design drawings and 3D models using various software like Solidworks, Revit, AutoCAD)., NAICS 541690 – Other Scientific and Technical Consulting Services (Value engineering, risk assessment, technical presentations, reports, and studies)., NAICS 541990 – All Other Professional, Scientific, and Technical Services (Laboratory and field testing for structural materials; specialized field inspections).

Records and Due Date

This bid opportunity was entered into BidAmerica on February 2, 2026, and was last updated on February 2, 2026. All bids and/or proposals are due on February 11, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Natural Resources Agency- Department of Water Resources. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Natural Resources Agency- Department of Water Resources prior to bidding.