Student Union Rooftop HVAC Unit Replacement

Contra Costa Community College District is requesting bids on removal and replacement of two rooftop HVAC units at the Student Union building under Invitation D-1279, with bids due September 17, 2026 at 2:00 PM PDT and a mandatory onsite pre-bid meeting on August 27, 2026 at 9:00 AM PDT at 321 Golf Club Road, Pleasant Hill, California.

The scope includes removal and disposal of existing rooftop HVAC units AC-6 and AC-7, installation of two new 7.5-ton heat pump rooftop units, and all necessary ductwork, piping, and electrical connections. Design basis is specified as Carrier 50GEQM08A2A6-0A0A0 units with electric resistance heating of 13 kW for AC-6 and 11 kW for AC-7. The contractor must reuse existing roof curbs with adapters as needed and install a BACnet gateway for campus ALC BAS connection. Electrical circuit modifications to accommodate new equipment specifications are required.

The award is lump sum. A 10% bid bond, 100% payment bond, and 100% performance bond are required. Electronic bid responses must include a bid form and proposal, bid bond, designated subcontractors list, site visit certification, and non-collusion declaration. Attendance at the pre-bid meeting is mandatory; participants must sign in at the Student Union Building.

The purchasing department contact is Ben Cayabyab at 925-229-6956 or bcayabyab@4cd.edu. The purchasing office address is 500 Court Street, Martinez, California 94553.