LIEBERT ROOFTOP HVAC REPLACEMENT CUYAMACA COLLEGE

The Grossmont‑Cuyamaca Community College District is seeking qualified contractors to replace the existing Liebert rooftop HVAC system at Cuyamaca College. The scope includes removal of two aging Liebert units, supply and installation of new R‑32 refrigerant‑based Liebert equipment, associated electrical and control upgrades, rigging/crane services, and full commissioning with as‑built documentation. The work will be performed on the campus rooftop and in the server room/MPOE building, requiring compliance with prevailing‑wage rules, C‑20 HVAC licensing, and state building codes. • Remove and dispose of two existing Liebert HVAC units, including refrigerant recovery. • Install two new Liebert “Cool Phase” condensing units (Model CUD28) and two ceiling‑mounted precision cooling units (Model MMI96) with full mechanical, electrical, and control integration. • Provide all required electrical connections, grounding, conduit work, rigging, testing, commissioning, warranty documentation, and as‑built drawings.