Commercial · Concord, CA
Concord Rooftop Package Unit Replacement
Crane-set rooftop package unit replacement on a commercial building in Concord: rigging, setting, and reconnection on a crowded flat roof.
3rdGen replaced a packaged rooftop unit on a commercial building in Concord, CA. The new unit was lifted by crane onto a flat roof shared with existing rooftop equipment, ductwork, and gas and conduit runs, then set, reconnected, and started up.
- Type
- Rooftop Unit Replacement
- System
- Packaged rooftop unit (RTU)
- Location
- Concord, CA
Scope
- — Removal and disposal of the existing rooftop unit
- — Crane lift, rigging, and roof-side coordination
- — Setting the new packaged unit on the existing curb
- — Gas, electrical, and duct reconnection
- — Startup and operational check
Constraints
- — Crane lift over an active street and overhead power lines
- — Crowded roof with existing units, ductwork, and gas piping
3rdGen's Role
3rdGen handled the replacement end to end: removal of the old unit, crane lift and rigging, setting the new unit, gas, electrical and duct reconnection, and startup.
Outcome
The new rooftop unit was set, reconnected, and started up, restoring heating and cooling to the building.
Photography
Related Capabilities
Packaged rooftop unit Supply and return duct connections Gas and electrical reconnection Commercial HVAC Replacement Rooftop Unit Replacement RTU Rooftop Unit Commercial HVAC Replacement Concord Commercial HVAC Crane Lift
