Quantifying Schedule Delay Risk in Construction Projects: A Data-Driven Approach with BIM and Probabilistic Reliability Analysis

Table 2

Required quantity for each object and work.

Category	Object	Components	Work type	Quantity type
Earth work	Earth block	—	Site leveling	Area
			Earth excavation	Volume
Reinforced concrete	Foundation, beam, wall, column, and slab	Rebar	Steel bar binding	Length
		Formwork	Formwork construction	Area
		Concrete	Concrete placement	Volume