Unofficial Notice of Invitation to Bid (NIB)

Riverside Unified School District is seeking bids from qualified and interested contractors for the following project titled, RIVERSIDE STEM ACADEMY SINGLE POINT OF ENTRY PROJECT, identified under Solicitation ID: BID NO. 2025/26-20. Work is to be performed near 4466 Mt Vernon Ave, Riverside, CA 92507, USA in Riverside County.

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General Project Description

This project involves the construction and modification of a single point of entry at the Riverside STEM Academy. The scope includes general site work, civil engineering, and potential building alterations. Key tasks involve site demolition (sawcutting and removal of AC paving and concrete), base removal and compaction, concrete formwork and rebar installation, concrete placement and finishing, AC paving, site clearing and grubbing, temporary fencing and facilities installation, erosion control, grading, installation of truncated domes, steel railings, sealcoating, paint striping, wheel stops, signages, and tree removal. The project requires coordination with multiple trades and adheres to strict construction and quality control procedures.

General Bid Items

Quantity: - Unit: - Work Item: General Conditions (Duration: 28 days)
Quantity: - Unit: - Work Item: Board of Education Approval (Duration: 3 days)
Quantity: - Unit: - Work Item: NTP (Notice to Proceed) (Duration: 2 days)
Quantity: - Unit: - Work Item: Submit Schedule of Values (Duration: 6 days)
Quantity: - Unit: - Work Item: Contract Requirements (Duration: 12 days)
Quantity: - Unit: - Work Item: P.O. Issuance (Duration: 11 days)
Quantity: - Unit: - Work Item: Long Lead Procurement (Duration: 30 days)
Quantity: - Unit: - Work Item: Submit shop drawings - Ornamental steel (Duration: 2 wks)
Quantity: - Unit: - Work Item: Provide submittals - Concrete, Rebar, AC Paving (Duration: 2 wks)
Quantity: - Unit: - Work Item: Detail, fabricate and deliver steel (Duration: 4 wks)
Quantity: - Unit: - Work Item: Mobilize on Site (Duration: 3 days)
Quantity: - Unit: - Work Item: Install temporary fencing (Duration: 1 day)
Quantity: - Unit: - Work Item: Install temporary facilities (Duration: 2 days)
Quantity: - Unit: - Work Item: Prepare site - lay down yard (Duration: 1 day)
Quantity: - Unit: - Work Item: Set line and grade benchmarks (Duration: 2 days)
Quantity: - Unit: - Work Item: Site Grading/Prep - Lower Tier (Duration: 28 days)
Quantity: - Unit: - Work Item: Install work area fencing (Duration: 1 day)
Quantity: - Unit: - Work Item: Install erosion control (Duration: 2 days)
Quantity: - Unit: - Work Item: Clear and grub site (Duration: 1 day)
Quantity: - Unit: - Work Item: Site Demolition (Sawcut/Remove Concrete) (Duration: 1 wk)
Quantity: - Unit: - Work Item: Grading (Duration: 1 day)
Quantity: - Unit: - Work Item: Install forms (sidewalk/bottom ramp/mid ramp) (Duration: 3 days)
Quantity: - Unit: - Work Item: Install Rebars (sidewalk/bottom ramp/mid ramp) (Duration: 3 days)
Quantity: - Unit: - Work Item: Site demolition (Sawcut/Remove AC Paving) (Duration: 2 days)
Quantity: - Unit: - Work Item: Base removal and compaction (Duration: 2 days)
Quantity: - Unit: - Work Item: Inspection prior to concrete pour (Duration: 1 day)
Quantity: - Unit: - Work Item: Inspection prior to AC paving (Duration: 1 day)
Quantity: - Unit: - Work Item: Concrete pour/finish (Duration: 2 days)
Quantity: - Unit: - Work Item: AC Paving (Duration: 1 day)
Quantity: - Unit: - Work Item: Clean area of debris (Duration: 1 day)
Quantity: - Unit: - Work Item: Install truncated dome (Duration: 1 day)
Quantity: - Unit: - Work Item: Install steel railing (Duration: 2 days)
Quantity: - Unit: - Work Item: Install Sealcoat (Duration: 1 day)
Quantity: - Unit: - Work Item: Paint striping (Duration: 1 day)
Quantity: - Unit: - Work Item: Install wheel stops (Duration: 1 day)
Quantity: - Unit: - Work Item: Install signages (Duration: 1 day)
Quantity: - Unit: - Work Item: Remove work area fencing (Duration: 1 day)
Quantity: - Unit: - Work Item: Site Grading/Prep - Upper Tier (Duration: 31 days)
Quantity: - Unit: - Work Item: Install work area fencing (Duration: 1 day)
Quantity: - Unit: - Work Item: Install erosion control (Duration: 2 days)
Quantity: - Unit: - Work Item: Clear and grub site (Duration: 1 day)
Quantity: - Unit: - Work Item: Remove tree (Duration: 1 day)
Quantity: - Unit: - Work Item: Dig flagpole footing (Duration: 1 day)
Quantity: - Unit: - Work Item: Set rebar cage at flagpole footing/install sleeve (Duration: 1 day)
Quantity: - Unit: - Work Item: Install Ornamental fencing (Duration: 10 days)
Quantity: - Unit: - Work Item: Install flagpole (Duration: 1 day)
Quantity: - Unit: - Work Item: Final Clean-up and Occupancy (Duration: 5 days)
Quantity: - Unit: - Work Item: Remove dirt spoils/debris (Duration: 2 days)
Quantity: - Unit: - Work Item: Perform final clean-up - power wash work areas and vicinity (Duration: 2 days)
Quantity: - Unit: - Work Item: Remove temporary fencing (Duration: 1 day)
Quantity: - Unit: - Work Item: Remove temporary facilities (Duration: 1 day)
Quantity: - Unit: - Work Item: Substantial completion date (Duration: 1 day)
Quantity: - Unit: - Work Item: Complete Final Inspections (Duration: 8 days)
Quantity: - Unit: - Work Item: Final inspections (Duration: 1 day)
Quantity: - Unit: - Work Item: Perform architect's inspection (Duration: 1 day)
Quantity: - Unit: - Work Item: Complete punch list items from all inspections (Duration: 1 wk)
Quantity: - Unit: - Work Item: Final Turn Over (Duration: 1 day)

NAICS Classification

236220 – Commercial and Institutional Building Construction (for overall single point of entry facility construction/modification)., 237310 – Highway, Street, and Bridge Construction (for AC paving and site grading)., 237990 – Other Heavy and Civil Engineering Construction (for general site work, fencing, erosion control, demolition)., 238110 – Poured Concrete Foundation and Structure Contractors (for concrete forms, rebar, pouring)., 238120 – Structural Steel and Precast Concrete Contractors (for ornamental steel fabrication/delivery and steel railing installation)., 238320 – Painting and Wall Covering Contractors (for paint striping and sealcoating)., 238990 – All Other Specialty Trade Contractors (for installation of various site elements like wheel stops, signages, ornamental fencing, and other finishing trades).

Records and Due Date

This bid opportunity was entered into BidAmerica on November 27, 2025, and was last updated on December 8, 2025. All bids and/or proposals are due on December 9, 2025.

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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 Riverside 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 Riverside Unified School District prior to bidding.