Ministries push for new technology in road building

NEW DELHI: Two key ministries involved in road building are pushing for the use of unconventional technology and new materials since scarcity of raw material has hit the industry hard due to the ban on mining across the country. The road ministry and rural development ministry have issued circulars mandating a portion of every project must be built using new technology and materials that help improve road quality for longer period with little maintenance.

Sources in the road transport and highways ministry said that the circular issued recently says that at least 10% of any project cost should be spent of new technology and materials, which have already been approved by the Indian Roads Congress (IRC) such as Zydex nanotechnology. "We have also asked all states to take up construction of 300 meters of wayside amenities at 100 locations across the country. The ministry will bear the cost. The focus is to popularize the trend that will make us build greener roads," said a ministry official.

Similarly, rural development ministry, that is responsible for construction of rural roads, has mandated that one in every 10 km should be built using new technology.

Official figures show that bitumen consumption in India was 4.5 million tonnes costing Rs 18,000 crore in 2011-12 and industry estimates suggest that nearly 80% of this is used for resurfacing. "There is no estimate of how much hill we are destroying to get construction material. This is just going to grow posing a serious question on the future need of building more roads," said a ministry official.

Top engineers in infrastructure ministries said that now there are new technologies proven in other parts of the world those help can reduce quantity of material and even the already paved material can be reused.

"There are technology solutions like Zydex nanotechnology that can build moisture-resistant and pothole-free roads. Ideally, you don't need to maintain them for 10-15 years. So you save the annual maintenance cost and reduce use of more construction materials and bitumen," said Zydex Industries CEO Ajay Ranka, which has already built roads in the US, Europe and Africa.

He claimed that nanotechnology can improve durability of roads to reduce their lifecycle by 50% and will revolutionalize urban and rural roads.

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