| Item | Method of waste management | Scale and No. of Response | Total | RII | Ranking | ||||
| 1 | 2 | 3 | 4 | 5 | |||||
| a) | Disposal | 0 | 0 | 1 | 0 | 2 | 3 | 0.867 | 1st |
| b) | On-site segregation | 1 | 0 | 1 | 0 | 1 | 3 | 0.600 | 2nd |
| c) | Reduce | 1 | 0 | 2 | 0 | 0 | 3 | 0.467 | 3rd |
| d) | Reuse | 1 | 0 | 2 | 0 | 0 | 3 | 0.467 | 3rd |
| e) | Recycle | 1 | 1 | 1 | 0 | 0 | 3 | 0.400 | 4th |
| f) | Prefabrication | 2 | 1 | 0 |
| 0 | 3 | 0.266 | 5th |
| g) | Other, state: | - | - | - | - | - | - |
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