Page 144 - Shaping A Sustainable Future

Eco-Solutions

Eco-Solution 1: Water Reduction

Based on Singapore’s Meteorological service data, annually. This can be tapped to provide the needed
approximately 2,000mm of rainfall falls annually, as water requirements in operating the nursery without
shown in Figure 13. With a catchment area of over the use of portable water, which requires energy to
10,000 m2, the nursery grounds at 91, Lim Chu Kang process.
Lane 1, the over 20,000 m of water could be collected
3

Figure 13: Rainfall data for Singapore.

Rainfall is plentiful in Singapore, and it rains on average nursery operations is minimal. Piped water is mainly
167 days of the year. The 1981-2010 long-term mean used for sanitary, drinking and washing purposes, and
annual rainfall total is 2165.9 mm. Suppose sufficient this is reflected in the low water usage of 40 m per
3
efforts are made to counter the effects of the local month or about 2.5 % of monthly water usage. However,
evapotranspiration rate of approximately 6.5 mm per to teach the “Green” mindset amongst the employees, a
day. In that case, total self-sufficiency can be achieved 5 % piped water usage saving is proposed.
with excess rainwater retained on site. The current
effort by Island Landscape Nursery is commendable, as
they have indicated that portable water usage for their

142