Table 3.
The demolition waste generation rates (DWGRs) of different building type (kg/m2).
| Building Types | Waste Types | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Concrete | Block | Brick | Mortar | Roofing Tile | Timber | Plastics | Metals | Glass/Ceramic | Slate | Household Waste | Soil | Total | ||
| Project A | Re/Co-RC-BR-S | 783.8 | 31.0 | 825.3 | 64.8 | 2.1 | 12.7 | 17.7 | 34.7 | 69.9 | - | 0.9 | 0.0 | 1842.9 |
| Re/RC-BR-S | 580.5 | 29.9 | 933.3 | 80.4 | 4.4 | 9.5 | 28.8 | 25.2 | 12.1 | 0.3 | 1.6 | 0.4 | 1706.5 | |
| Re/M-BR-S | 540.9 | 13.3 | 880.1 | 272.4 | 6.3 | 17.1 | 15.6 | 23.5 | 24.1 | 0.2 | 3.7 | - | 1797.1 | |
| Re/M-BR-S+RT | 447.6 | 46.0 | 824.1 | 185.1 | 11.6 | 16.0 | 15.2 | 19.6 | 13.5 | 1.0 | 1.9 | 2.0 | 1583.6 | |
| Re/M-BR+BL-RT | 197.6 | 153.2 | 519.3 | 379.8 | 53.2 | 21.1 | 11.6 | 8.6 | 9.3 | - | 1.6 | - | 1355.3 | |
| Re/Co-BLS-BL-S | 155.4 | 580.5 | 15.2 | 134.0 | - | 16.7 | 1.3 | 6.9 | 7.8 | - | 1.2 | - | 919.0 | |
| Re-BLS-BL-RT+SL | 104.8 | 464.0 | 11.9 | 220.2 | 69.1 | 23.6 | 5.8 | 4.7 | 8.3 | 7.7 | 1.6 | 4.9 | 926.6 | |
| Re/Co-W-BR-RT | - | 116.2 | 427.3 | 187.5 | 55.6 | 23.1 | 0.4 | - | 10.9 | - | 1.1 | - | 822.0 | |
| Re-W-BR-RT | 35.9 | 92.0 | 316.3 | 189.7 | 64.2 | 30.5 | 1.8 | 1.6 | 13.4 | 0.0 | 1.1 | 0.1 | 746.8 | |
| Re-W-BL-RT | 26.8 | 292.9 | 103.1 | 214.0 | 57.8 | 22.7 | 7.2 | 1.2 | 7.9 | 3.6 | 2.2 | 0.1 | 739.4 | |
| Re-W-MP-RT+SL | 36.1 | 57.2 | 3.0 | 272.8 | 49.9 | 31.7 | 7.3 | 1.6 | 10.3 | 11.5 | 3.8 | 394.0 | 879.2 | |
| OTHERS | 224.2 | 224.4 | 385.0 | 171.3 | 15.7 | 20.6 | 16.4 | 9.8 | 9.2 | 14.1 | 2.7 | 96.6 | 1190.0 | |
| Overall mean | 261.1 | 175.1 | 437.0 | 197.7 | 32.5 | 20.4 | 10.8 | 11.4 | 16.4 | 3.2 | 1.9 | 41.5 | 1209.0 | |
| Project B | Re/Co-RC-BR-S | 544.4 | 21.7 | 711.6 | 73.7 | - | 9.5 | 29.6 | 32.7 | - | 2.1 | - | 23.2 | 1448.5 |
| Re/Co-RC-BL-S+RT | 537.0 | 923.5 | 6.5 | 29.9 | 11.2 | 13.1 | 32.7 | 55.8 | - | 2.4 | - | 5.9 | 1618.0 | |
| Re-RC-BL-S+RT | 558.1 | 832.2 | 8.1 | 22.1 | 7.3 | 9.6 | 39.8 | 57.1 | - | 1.0 | - | 2.0 | 1537.4 | |
| Re-BLS-BL-RT | 253.9 | 456.8 | 8.7 | 44.4 | 57.7 | 44.9 | 54.6 | 27.4 | - | 1.1 | 8.1 | 47.6 | 1005.4 | |
| Overall mean | 473.4 | 558.6 | 183.7 | 42.5 | 19.0 | 19.3 | 39.2 | 43.2 | - | 1.7 | 2.0 | 19.7 | 1402.3 | |