Task ID,Task Name,Duration (Days),Predecessor ID
HVAC-101,Project Kickoff & Scope Definition,2,None
HVAC-102,Finalize Engineering Specs & Drawings,7,HVAC-101
HVAC-103,Select Vendor & Finalize Contract,10,HVAC-102
HVAC-104,Procure Main HVAC Unit (Long-Lead),45,HVAC-103
HVAC-105,"Procure Ducting, Vents & Ancillary Materials",15,HVAC-103
HVAC-106,Site Prep & Safety Setup,3,HVAC-103
HVAC-107,Demolish and Remove Old System,5,HVAC-106
HVAC-108,Install New Main Unit,4,HVAC-104
HVAC-109,Install New Ducting & Electrical Connections,8,HVAC-108
HVAC-110,System Testing & Balancing,4,HVAC-109
HVAC-111,Building Commissioning & Staff Training,3,HVAC-110
HVAC-112,Final Inspection & Project Closeout,2,HVAC-111