Unofficial Notice of Invitation to Bid (NIB)

Brentwood Union School District is seeking bids from qualified and interested contractors for the following project titled, Bristow Middle School Gymnasium HVAC Replacement Project, identified under Solicitation ID: -. Work is to be performed near 855 Minnesota Ave, Brentwood, CA 94513, USA in Contra Costa County.

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General Project Description

This project involves the removal and replacement of the existing boiler HVAC system in the Bristow Middle School Gymnasium. The scope includes selective demolition, removal of existing boiler and related piping/components in chases and soffits, elimination of air handlers and piping in rafters, replacement of four existing rooftop condenser units with new packaged units, including roof breaches for return air ducting, and installation of new rooftop packaged units for the P.E. offices and locker rooms with reconfigured ducting. Electrical additions and updates to the Pelican system to eliminate boiler and air handler functions are also required. All work must comply with CBC/DSA standards, with a focus on HVAC upgrades in the gym and minimal disruption to school operations. Additional work includes roofing repair, sheet metal flashing and trim, joint sealants, installation of access doors and frames, and painting of all new and existing applicable surfaces.

General Bid Items

Quantity: 1 Unit: LS Work Item: Selective Demolition of existing boiler HVAC system and related components (piping in chases, accessible soffits).
Quantity: 1 Unit: LS Work Item: Elimination of existing air handlers and associated piping in rafters.
Quantity: 1 Unit: LS Work Item: Removal of existing air handlers serving P.E. offices and locker rooms.
Quantity: 1 Unit: LS Work Item: Concrete sawcut and removal for rooftop unit installations/roof breaches.
Quantity: 1 Unit: LS Work Item: Disconnection, capping, and removal of existing utilities.
Quantity: 1 Unit: LS Work Item: Legal disposal of all removed materials and recycling of building components.
Quantity: 1 Unit: LS Work Item: Patching and repair of holes and damaged surfaces after demolition.
Quantity: 1 Unit: LS Work Item: Repair and infill of two-ply modified bitumen roofing system (SBS modified bitumen base, mineral surfaced cap sheet).
Quantity: 1 Unit: LS Work Item: Installation of base and cant flashings for roofing system.
Quantity: 1 Unit: LS Work Item: Installation of perlite fiber cants for roofing system.
Quantity: 1 Unit: LS Work Item: Installation of roofing accessories for weather-tight roofing.
Quantity: 1 Unit: LS Work Item: Fabrication and installation of sheet metal flashing components (18 gauge galvanized steel).
Quantity: 1 Unit: LS Work Item: Installation of gutters, scuppers, parapet caps, fascias, soffits, and trim materials (18 gauge galvanized steel).
Quantity: 1 Unit: LS Work Item: Installation of single-component, nonsag, neutral-curing silicone joint sealant (ASTM C920, Type S, Grade NS, Class 100/50).
Quantity: 1 Unit: LS Work Item: Installation of multi-component, non-sag, polyurethane joint sealant (ASTM C920, Type M, Grade NS, Class 50).
Quantity: 1 Unit: LS Work Item: Installation of fire-rated access doors and frames for drywall surfaces (NFPA 80, 16-gauge steel frame, 14-gauge steel door).
Quantity: 1 Unit: LS Work Item: Surface preparation, priming, and finish painting of all new and existing exterior ferrous and non-ferrous metal surfaces (High-Performance Acrylic Urethane Satin).
Quantity: 1 Unit: LS Work Item: Surface preparation, priming, and finish painting of new and existing exterior hardboard siding and wood/engineered wood (Acrylic Low Luster).
Quantity: 1 Unit: LS Work Item: Surface preparation, priming, and finish painting of interior drywall and plaster surfaces (Ceiling Paint Flat, Scuff Resistance Satin/Pearl, Scuff Resistance Semi-Gloss).
Quantity: 1 Unit: LS Work Item: Installation of new packaged heat pump units (rooftop mounted, electrically controlled, R454B refrigerant).
Quantity: 1 Unit: LS Work Item: Installation of new HVAC ductwork (rectangular and round, various gauges).
Quantity: 1 Unit: LS Work Item: Installation of air duct accessories (volume control dampers, turning vanes, flexible connections, backdraft dampers).
Quantity: 1 Unit: LS Work Item: Installation of exhaust fans (ceiling exhaust fans, centrifugal direct drive type).
Quantity: 1 Unit: LS Work Item: Installation of condensate drain piping (type-L, hard-drawn copper tubing).
Quantity: 1 Unit: LS Work Item: Air and water system balancing.
Quantity: 1 Unit: LS Work Item: Installation and configuration of Building Automation System (Pelican Control System, wireless IEEE 802.15.4 mesh network).
Quantity: 1 Unit: LS Work Item: Electrical additions, including installation of low voltage electrical power conductors and cables (insulated copper, #12 AWG min.).
Quantity: 1 Unit: LS Work Item: Installation of grounding and bonding for electrical systems.
Quantity: 1 Unit: LS Work Item: Installation of hangers and supports for electrical systems.
Quantity: 1 Unit: LS Work Item: Installation of rigid steel, IMC, and EMT conduit for electrical systems.
Quantity: 1 Unit: LS Work Item: Installation of electrical boxes (outlet, junction, pull boxes).
Quantity: 1 Unit: LS Work Item: Installation of panelboards (bussed, circuit breaker type).
Quantity: 1 Unit: LS Work Item: Installation of wiring devices (120V single/duplex receptacles).
Quantity: 1 Unit: LS Work Item: Electrical acceptance testing.

NAICS Classification

238220 – Plumbing, Heating, and Air-Conditioning Contractors (HVAC system replacement, including boiler, air handlers, packaged units, ductwork, condensate drains, and controls.), 236220 – Commercial and Institutional Building Construction (General construction management, coordination of trades, and overall project execution for school facility improvements.), 238910 – Site Preparation Contractors (Selective demolition, removal of existing building components like piping, mechanical equipment, and concrete saw cutting.), 238210 – Electrical Contractors and Other Wiring Installation Contractors (Electrical additions, installation of conductors, cables, grounding, bonding, conduits, boxes, panelboards, and wiring devices.), 238160 – Roofing Contractors (Modified bituminous membrane roofing repair, roof breaches for new units, and installation of roof protection pads.), 238190 – Other Foundation, Structure, and Building Exterior Contractors (Sheet metal flashing and trim installations, joint sealants for thermal and moisture protection.), 238320 – Painting and Wall Covering Contractors (Surface preparation, priming, and finishing of new and existing paintable surfaces, including metal, siding, wood, plaster, and drywall.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 10, 2026, and was last updated on February 10, 2026. All bids and/or proposals are due on March 17, 2026.

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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 Brentwood Union 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 Brentwood Union School District prior to bidding.