Table 8 GHG emissions in Project A (semi-prefabrication) and Project B (conventional).
Sources | Project A | Project B′ | Reduction of GHG emissions | Percentage of GHG emissions reduction | |||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Total | ||||||||
Off-site | On-site | (S) | % | (T) | % | (T-S) | (CP) % | [Z = (T−S)/T] % | |
El | 612.8 | 8571.1 | 9183.9 | 81.50 | 9478.2 | 79.10 | 294.3 | 41.20 | 3.10 |
E2 | 10.1 | 1170.7 | 1180.8 | 10.50 | 1274.2 | 10.60 | 93.4 | 13.10 | 7.30 |
E3 | 430.1 | 0 | 430.1 | 3.80 | 0 | 0 |  − 430.1 |  − 60.20 | 0 |
E4 | 23.1 | 437.8 | 460.9 | 4.10 | 1219.6 | 10.20 | 758.7 | 106.20 | 62.20 |
E5 | 2.8 | 9.3 | 12.1 | 0.10 | 10.2 | 0.10 |  − 1.9 |  − 0.30 |  − 18.60 |
TGE | Â | Â | 11,267.8 | Â | 11,982 | Â | 714.4 | Â | Â |
