PUB keeps an eye on waterways as construction sites mushroom

Eco-business.com, 4 Mar 2011Singapore, March 4 - With more construction sites sprouting around Singapore, national water agency PUB has been busy working with contractors in the past five years to protect the waterways.As a result, closed-circuit television cameras, water treatment plants at construction sites and silt curtains have been introduced at these sites to prevent silt from polluting