Page 140 - Shaping A Sustainable Future
P. 140
Environmental Review
Environmental Aspects
Electricity Usage
In the main office, lighting fittings are installed in all Island Landscape Nursery has provided an electrical
facilities, and the areas are well illuminated. bill estimate for the Lim Chu Kang nursery of S$600-
700 per month, translating to around 4,000 kWh usage
The nursery is situated in an open area. The daily monthly. This translates to an equivalent monthly
operation of the facility relies mainly on natural lighting. emission of 1,675 kg of CO , based on Energy Market
2
Fluorescent tubes are installed for illumination after Authority conversion of 0.4188 kg CO /kWh, or 20,100
2
sunset. A small-medium capacity industrial centrifugal kg annually.
pump was installed at the nursery to circulate rainwater
collected through the filtration system for the watering
of plants. Figure 7 shows the water pump. It is kept
running during operation hours to ensure proper
circulation and operating pressure of approximately 2-3
bar. It is operating hours average from 3 to 5 hours daily.
Figure 7: Industrial water pump for watering plants.
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