Risk Level Assessment in Construction Projects Using the Schedule Performance Index

Table 5

Limit value for SPI.

Group	Limiting value
	SPI3 ()	SPI6 ()	SPI9 ()	SPI12 ()
Delayed ()	0.8740 (15)	0.8096 (13)	0.8032 (10)	0.8070 (7)
Not delayed ()	0.9915 (4)	0.8603 (4)	0.9553 (4)	0.9300 (4)