Research Article

Life Cycle Ecological Footprint Reduction for a Tropical Building

Table 9

Construction machinery use in the case building.

MachineriesCapacityEnergy rateαfuel (kgCO2/unit input) [40]Ecological footprint

Concrete mixer5 hp1.6 litre/hr3.17 CO2 kg/kg diesel1.43 × 10−03 gha/hr
Water pump1 hp0.745 kWh/hr0.82 tCO2/MWh2.93 × 10−04 gha/hr
Heavy-duty truck3.5 t0.240 kg/km3.17 CO2 kg/kg diesel7.21 × 10−05 gha/t-km
Bus50 persons0.238 kg/km3.17 CO2 kg/kg diesel5.0 × 10−05 gha/person
Electrical vibrator1 hp0.745 kWh/hr0.82 tCO2/MWh2.93 × 10−04 gha/hr