Table 9 GHG emissions in Project C (semi-prefabrication) and Project D (conventional).
Sources | Project C | Project D′ | 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 | 251.9 | 3760.1 | 4012 | 85.80 | 4655.6 | 125.60 | 643.6 | 90.10 | 13.80 |
E2 | 6.1 | 367.7 | 373.8 | 8.00 | 610.6 | 16.50 | 236.8 | 33.10 | 38.80 |
E3 | 105.7 | 0 | 105.7 | 2.30 | 0 | 0.00 |  − 105.7 |  − 14.80 | 0.00 |
E4 | 9.5 | 172.4 | 181.9 | 3.90 | 193.1 | 5.20 | 11.2 | 1.60 | 5.80 |
E5 | 1 | 3.5 | 4.5 | 0.10 | 5 | 0.10 | 0.5 | 0.10 | 10.00 |
TGE | Â | Â | 4677.9 | Â | 5464.3 | Â | 786.4 | Â | Â |
