PRECOM is a detailed monitoring of system-level precommissioning & commissioning progress with respect to different disciplines like PIPING/ STEEL-STRUCTURES/ CIVIL / E&I/ EQUIPMENT/ FIRE&SAFETY/ HVAC relating multi-discipline activities on System & Sub-Systems.Systems are defined and Sub-systems identified within Systems. Discipline wise components like Tagged items from E&I, Assembly Tags from Steel structures, Tech-Structure like Beam tag number, Foundation tag from Civil,Line numbers/Loop numbers from Piping, Equipment Tags & Connecting Instrumentation for Equipment, are grouped under System & Sub-system heads.Users can update progress at discipline level, sub-system level (or) system level against the discipline wise tags and signed reports documented parallely. Program offers facility to create punch points under discipline heads against systems/sub-systems.