Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: 1  Unit: LS  Work Item: Preconstruction Services, Specifications: Not to exceed $10,000.00 (Fee for services such as budget/schedule development, plan review, constructability reviews, cost projections).
• Quantity: -  Unit: LS  Work Item: General Construction & Project Management, Specifications: Including overall project delivery, coordination with District staff, architect, and consultants.
• Quantity: 1  Unit: EA  Work Item: Installation of one (1) classroom portable, Specifications: Based on DSA approved plans and specifications.
• Quantity: -  Unit: LS  Work Item: Obtaining Local and State Licenses, Permits, and Approvals, Specifications: Including DSA approval, Office of Public School Construction (OPSC), and California Environmental Quality Act (CEQA) compliance.
• Quantity: -  Unit: LS  Work Item: Construction Cost Estimation and Budget Tracking, Specifications: Provision of estimates at design milestones (Schematic Design, Design Development, 50% Construction Documents) and ongoing budget tracking.
• Quantity: -  Unit: LS  Work Item: Negotiation of Guaranteed Maximum Price (GMP), Specifications: Establishing a GMP for project construction.
• Quantity: -  Unit: LS  Work Item: Subcontractor Management and Procurement, Specifications: Public notice of subcontracting opportunities, establishing qualification criteria, and awarding subcontracts (including mechanical, electrical, and plumbing).
• Quantity: -  Unit: LS  Work Item: Site Preparation and Earthwork, Specifications: Layout, field engineering, and excavation as required.
• Quantity: -  Unit: LS  Work Item: Temporary Utilities Installation and Maintenance, Specifications: Including telephone, electrical power, water service, heating, and cooling for construction.
• Quantity: -  Unit: LS  Work Item: Temporary Facilities Installation and Removal, Specifications: Including office trailers, storage trailers, tool sheds, furniture, equipment, and temporary toilets.
• Quantity: -  Unit: LS  Work Item: Implementation of Temporary Site Safety Measures, Specifications: Including fencing, enclosures, covered walkways, barricades, project signs.
• Quantity: -  Unit: LS  Work Item: Safety and E.E.O. Program Enforcement, Specifications: Maintaining safety and health conditions, preventing access to children/staff, and ensuring compliance.
• Quantity: -  Unit: LS  Work Item: Quality Control Program, Specifications: As per Section B-1 cost allocation breakdown.
• Quantity: -  Unit: LS  Work Item: Storm Water Pollution Prevention Plan (SWPPP) Implementation, Specifications: Creation, approval, notifications, and ongoing compliance and reporting for disturbed areas exceeding one acre.
• Quantity: -  Unit: LS  Work Item: Soil Investigation, Testing, and Inspection, Specifications: Including initial soils investigation, testing, and various project inspections.
• Quantity: -  Unit: LS  Work Item: Hazardous Materials (Lead/Asbestos) Abatement, Specifications: Demolition, salvage, removal, encapsulation, renovation, repair, painting, cleanup, transportation, disposal, storage, and containment of lead/asbestos materials according to EPA and OSHA regulations.
• Quantity: -  Unit: LS  Work Item: Existing Utility Lines Removal and Restoration, Specifications: As required by Government Code section 4215.
• Quantity: -  Unit: LS  Work Item: Traffic Control, Specifications: For existing signs, lights, traffic signals, control boxes, hydrants, and meters; notification of authorities for street/sidewalk blockage.
• Quantity: -  Unit: LS  Work Item: Site Security and Property Protection, Specifications: Measures to protect District structures, facilities, equipment, tools, and materials from damage, theft, defacement, or vandalism.
• Quantity: -  Unit: LS  Work Item: Periodic and Final Cleaning and Debris Removal, Specifications: Daily site cleanup and thorough cleaning of interior/exterior buildings and site prior to occupancy.
• Quantity: -  Unit: LS  Work Item: As-Built (Record) Drawing Preparation and Submission, Specifications: Including documentation for mechanical and electrical installations, elevators, kitchen equipment, etc.
• Quantity: -  Unit: LS  Work Item: Project Closeout Documentation, Specifications: Submission of Contractor Guarantee Form, Subcontractor Guarantee Form, Manufacturer's Warranty/Guarantee, Completed Punch List, DVBE Certification, Material Receipt Form, Hazardous Material Documentation, and Form DSA 6 Final Verified Reports.

NAICS Classification

NAICS 236220 – Commercial and Institutional Building Construction (General construction services for building projects, including portable classroom installation at a school site.), NAICS 237310 – Highway, Street, and Bridge Construction (Includes site work, temporary roads, traffic control, and civil work often associated with construction projects, especially on existing campuses.), NAICS 238990 – All Other Specialty Trade Contractors (Covers specialized trade activities not otherwise classified, applicable to various site preparation, utility connections, and specific portable building installation tasks.), NAICS 541330 – Engineering Services (Involves design coordination, value engineering, constructability reviews, and technical consulting throughout the project lifecycle.), NAICS 541611 – Administrative Management and General Management Consulting Services (Includes project management, scheduling, budget tracking, and overall project coordination and administration.)

Records and Due Date

This bid opportunity was entered into BidAmerica on January 14, 2026, and was last updated on January 13, 2026. All bids and/or proposals are due on February 17, 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 Castro Valley 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 Castro Valley Unified School District prior to bidding.