Table 3.
Relative Importance Index (RII) and ranking of challenges/barriers
| Challenges in adopting BIM-LEAN in QS practices | Rating (nos.) | RII | Rank | ||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | |||
| C11: Financial considerations | 2 | 2 | 21 | 22 | 55 | 0.846 | 1 |
| C1: Lack of technical expertise in BIM-LEAN | 2 | 3 | 23 | 35 | 39 | 0.806 | 2 |
| C6: Lack motivation and guidance from top management | 2 | 9 | 13 | 39 | 39 | 0.802 | 3 |
| C4: Behavior and attitude of peoples to learn something new and challenge technology | 5 | 5 | 13 | 54 | 25 | 0.772 | 4 |
| C9: Lack knowledge, understanding and skill about BIM-LEAN | 3 | 2 | 16 | 68 | 13 | 0.768 | 5 |
| C12: Lack of demand from clients | 2 | 2 | 34 | 41 | 23 | 0.758 | 6 |
| C5: Organization refused to change business way | 2 | 9 | 28 | 40 | 23 | 0.744 | 7 |
| C8: Lack training, education and awareness programs | 3 | 11 | 17 | 56 | 15 | 0.734 | 8 |
| C7: Lack government direction and standard guidelines | 3 | 6 | 30 | 49 | 14 | 0.728 | 9 |
| C10: Lack of compatibility software | 3 | 25 | 39 | 22 | 13 | 0.636 | 10 |
| C2: Technical difficulties, e.g.: poor internet connections, limited access and poor network security | 14 | 36 | 33 | 13 | 6 | 0.524 | 11 |
| C3: BIM-LEAN will grab QS’s job | 59 | 24 | 10 | 5 | 4 | 0.348 | 12 |