Bid Notice.pdf
PDF 153 KB Posted
- Attached to
- Student Union Rooftop HVAC Unit Replacement
- Solicitation number
- D-1279
- Issued by
- Contra Costa County, California
About this file
This is a Bid Notice issued by the Contra Costa Community College District for the removal and replacement of rooftop HVAC units at the Student Union building. The project involves removing two existing rooftop HVAC units (AC-6 and AC-7) and installing two new 7.5-ton heat pump rooftop units, along with all necessary ductwork, piping, and electrical connections. The invitation number is D-1279, with a posting date of August 19, 2026, and a bid due date of September 17, 2026, at 2:00 PM PDT. A mandatory onsite pre-bid meeting is scheduled for August 27, 2026, at 9:00 AM PDT at 321 Golf Club Road, Pleasant Hill, California 94523, where attendance is required and participants must sign in at the Student Union Building. Electronic bid responses are required and must include a bid form and proposal, bid bond, designated subcontractors list, site visit certification, and non-collusion declaration.
The award type is lump sum, with a bid bond requirement of 10 percent, a payment bond of 100 percent, and a performance bond of 100 percent. The project is categorized under commercial and institutional building construction and plumbing, heating, and air-conditioning contracting. Specific design requirements include Carrier 50GEQM08A2A6-0A0A0 basis of design, electric resistance heating of 13 kW for AC-6 and 11 kW for AC-7, reuse of existing roof curbs with adapters as needed, BACnet gateway installation for campus ALC BAS connection, and electrical circuit modifications to accommodate new equipment specifications. The purchasing department is located at 500 Court Street, Martinez, California 94553, with Ben Cayabyab serving as the contact at 925-229-6956 or bcayabyab@4cd.edu.
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Text version
Contra Costa Community College District
Opportunity Detail
Bid Bond
Pre-Bid Meeting Information
D-1279 STUDENT UNION ROOFTOP HVAC UNIT REPLACEMENT
Title D-1279 STUDENT UNION ROOFTOP HVAC UNIT REPLACEMENT Invitation #
Posting Date 08/19/2026 8:14 PM (PDT) Project Stage Bidding Bid Due Date 09/17/2026 2:00 PM (PDT)
Response Format Electronic
Type Bid Response Types Line Items
Bid Form and Proposal (required) Bid Bond (required) Designated Subcontractors List (required) Site Visit Certification (required) Non-collusion Declaration (required)
Type of Award Lump Sum Categories 236220 - Commercial and Institutional Building Construction
238220 - Plumbing, Heating, and Air-Conditioning Contractors
Department Purchasing Address 500 Court Street
Martinez, California 94553
County Contra Costa
Offer Valid Liquidated Damages Estimated Bid Value Start/Delivery Date
Project Duration
Bid Bond 10.00% Payment Bond 100.00%
Performance Bond 100.00%
Pre-Bid Meeting Yes Meeting Type Onsite
Date & Time 08/27/2026 9:00 AM (PDT) Address 321 Golf Club Rd., Pleasant Hill, CA 94523
Attendance Required Yes
8/24/26, 3:23 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/67229/bo/bo-detail/145274 1/2
Online Q&A
Contact Information
Description
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Additional Details All participants are required to sign in front of the Student Union Building. Park at Parking LOT 8 for easy access to Student Union Building.
Online Q&A No
Contact Info Ben Cayabyab 925-229-6956 bcayabyab@4cd.edu
Bids to Owner's Agent
Scope of Services Remove and dispose 2 existing rooftop HVAC units AC-6 and AC-7. Install two new 7.5-ton heat pump rooftop units and make all ductwork, piping and electrical connections as needed.
Other Details Basis of design: Carrier 50GEQM08A2A6-0A0A0.
Include a maximum of 13 kW of electric resistance heating for AC-6 and 11 kW of electric resistance heating for AC-7. Reuse existing roof curb and provide curb adaptor if required.
Curb shall have spring isolation unless unit fan and compressor are internally isolated. Include BACnet gateway for connection to campus ALC BAS. Change electrical circuit breaker size and feed wire as needed to be compatible with new equipment.
Notes
Special Notices Local Programs & Policies www.vendorline.com
8/24/26, 3:23 PM PlanetBids Vendor Portal https://vendors.planetbids.com/portal/67229/bo/bo-detail/145274 2/2 https://vendor.planetbids.com/
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