Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Preliminary Investigation: Conduct a thorough review of existing geotechnical data, reports, and site conditions specific to the project site.
• Quantity: -  Unit: -  Work Item: Preliminary Investigation: Identify subsurface exploration and testing requirements specific to the project site.
• Quantity: -  Unit: -  Work Item: Subsurface Exploration and Testing: Prepare a geotechnical investigation plan, identifying proposed boring and sampling locations, with sufficient number and depth to develop geotechnical recommendations while accommodating campus operations and student safety.
• Quantity: -  Unit: -  Work Item: Subsurface Exploration and Testing: Perform soil borings, test pits, and other necessary field investigations.
• Quantity: -  Unit: -  Work Item: Subsurface Exploration and Testing: Conduct in-situ testing (e.g., Standard Penetration Tests [SPT], Cone Penetration Tests [CPT]) to evaluate subsurface conditions and soil stability for proposed construction.
• Quantity: -  Unit: -  Work Item: Subsurface Exploration and Testing: Collect soil, rock, and groundwater samples and perform laboratory testing to determine soil classification, strength, compressibility, permeability, and other relevant engineering properties.
• Quantity: -  Unit: -  Work Item: Geotechnical Analysis and Recommendations: Analyze field and laboratory data to characterize subsurface conditions and identify potential geotechnical risks at the project site.
• Quantity: -  Unit: -  Work Item: Geotechnical Analysis and Recommendations: Provide geotechnical recommendations for earthwork, foundations, slabs-on-grade, sidewalks, and pavement sections supporting the building and associated site improvements.
• Quantity: -  Unit: -  Work Item: Geotechnical Analysis and Recommendations: Evaluate groundwater conditions and provide drainage and groundwater management recommendations.
• Quantity: -  Unit: -  Work Item: Geotechnical Analysis and Recommendations: Identify required soil improvement or ground stabilization measures to ensure long-term performance.
• Quantity: -  Unit: -  Work Item: Geotechnical Analysis and Recommendations: Perform a geologic hazards evaluation and provide mitigation recommendations, as applicable.
• Quantity: -  Unit: -  Work Item: Reporting and Documentation: Prepare a comprehensive Geotechnical Report in accordance with Division of the State Architect (DSA) and California Geological Survey (CGS) requirements for public school projects, including coordination to obtain CGS approval.
• Quantity: -  Unit: -  Work Item: Reporting and Documentation: Include boring logs, soil profiles, and site-specific geotechnical parameters in the Geotechnical Report.
• Quantity: -  Unit: -  Work Item: Reporting and Documentation: Develop geotechnical design criteria and provide construction recommendations to support structural and civil engineering designs.
• Quantity: -  Unit: -  Work Item: Coordination and Meetings: Provide technical support and consultation throughout the school facility development process.
• Quantity: -  Unit: -  Work Item: Coordination and Meetings: Coordinate with regulatory agencies for geotechnical-related permitting and compliance requirements specific to educational institutions in the region.

NAICS Classification

NAICS 541330 – Engineering Services (Providing geotechnical engineering, geological hazard evaluation, foundation design, and consultation for school construction projects.), NAICS 541380 – Testing Laboratories (Performing laboratory testing of soil, rock, and groundwater samples for engineering analysis.), NAICS 238910 – Site Preparation Contractors (Performing field exploration services, including soil borings and test pits, as part of geotechnical investigations.)

Records and Due Date

This bid opportunity was entered into BidAmerica on January 7, 2026, and was last updated on January 26, 2026. All bids and/or proposals are due on January 30, 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 Washington Unified School District. 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 Washington Unified School District prior to bidding.