Sample distribution

Sample size

Percentage (%)

Work experience

1 - 3 years

55

28.1

4 - 6 years

70

35.4

7 - 10 years

45

23

Above 10 years

27

13.5

Project participants

Owner

31

15.7

Contractor

50

25.3

Subcontractor

34

17.4

Supervision unit

29

14.6

Survey and design unit

53

27