NEW DELHI: The extension of the elevated Barapullah road will pioneer several environmentally sustainable engineering concepts. The PWD has finalized an elaborate plan modeling it on the lines of an environmentally sustainable project. The plan comes from project manager Shishir Bansal who, sources said, is a research scholar on the subject at the Delhi Technological University.

One of the most important measures includes proper utilization of concrete waste during the construction work. Instead of dumping concrete waste, around 3,000 metric tones of it will be recycled to be used in city projects like pavement tiles etc. "The one metre of concrete on top of the pile foundation is considered poor concrete and is chopped off.