| Rank | R.I. | Problems |
|---|---|---|
| 1 | 0.68 | Difficulty in proving due to no record of the Engineer’s verbal directives |
| 2 | 0.65 | Misinterpretation due to ambiguities in the contract |
| 3 | 0.64 | Controversy in negotiating prices of varied works |
| 4 | 0.62 | Difficulty in identifying a claim due to various Engineers’ directives |
| 5 | 0.61 | Problems associated with evaluating impacts and claiming damages |