Research Article
Life Cycle Ecological Footprint Reduction for a Tropical Building
Table 9
Construction machinery use in the case building.
| Machineries | Capacity | Energy rate | αfuel (kgCO2/unit input) [40] | Ecological footprint |
| Concrete mixer | 5 hp | 1.6 litre/hr | 3.17 CO2 kg/kg diesel | 1.43 × 10−03 gha/hr | Water pump | 1 hp | 0.745 kWh/hr | 0.82 tCO2/MWh | 2.93 × 10−04 gha/hr | Heavy-duty truck | 3.5 t | 0.240 kg/km | 3.17 CO2 kg/kg diesel | 7.21 × 10−05 gha/t-km | Bus | 50 persons | 0.238 kg/km | 3.17 CO2 kg/kg diesel | 5.0 × 10−05 gha/person | Electrical vibrator | 1 hp | 0.745 kWh/hr | 0.82 tCO2/MWh | 2.93 × 10−04 gha/hr |
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