Page 36 - Plastics News February 2018
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          roads have to be repaired every two-three years, these   would collect or purchase the plastic waste from the city
          roads using plastic waste can be repaired every three-four   and process it and the plant at Yerawada would process it
          years, thereby reducing the recurrence of investment.   without incurring any cost to the civic body. The Central
          Such roads can withstand heavy rains and do not easily   and  state  governments  are also in favour  of using the
          get washed away, thereby preventing damages to roads,"   technology. Even it is considered that the use of plastic
          said Dr Hemanth.                                      waste along with tar helps to improve the durability and
          PMC ‘s plan                                           longevity of roads. The major benefit of it is that it will
                                                                help to reduce soil pollution and is considered to help in
          Pune  like  other  cities  are  making  good  use  of  plastic   increasing water resistance.
          waste. Making durable roads and it has proved to be a
          popular solution to tackling waste also. The Pune Municipal   Using plastic waste
          Corporation (PMC) plans to construct 25km length of   PMC with help from Dow Chemical International and Rudra
          roads in the city by using the mixture of plastic waste.   Environment is erecting the hot mix plant at Yerawada
          Pune municipal commissioner Kunal Kumar said that the   where plastic trash would be mixed with tar material. The
          civic body has already carried out the pilot project of   environmentally conscious approach to road construction
          using mixture of plastic waste for road surfacing at at   plastic litter was developed in India around 15 years ago
          Navi Peth, Vimannagar and Koregaon Park. Having seen   In November 2015, the Indian government has announced
          the  benefits  of  road  resurfacing  using  plastic  waste  at   that plastic roads would be the default method of
          decided stretches, the civic body has decided to make at   construction for most city streets. Urban areas with more
          least 25-km-long road using the technology, said Kumar.   than 500,000 people are now required to construct roads
          The Indian Road Congress has also given its go ahead to   using waste plastic with the project coming under the
          use the technology for erecting roads. Kumar said that   Swachh Bharat Abhiyan campaign. According to experts,
          plastic waste generated in the city is a big headache for   90 per cent of bitumen is amalgamated with 10 per cent of
          the municipal administration. The new technology will   everyday plastic waste. These products are shredded into
          help to sort out the problem of plastic trash in the city.   small pieces and mixed with the liquid before laying it on
          The plastic trash collected by rag pickers or PMC staff will   the road. Tar-cum-plastic roads is 25 per cent better than
          be utilised for mixture in the road material. Already, the   unmodified roads and is almost 200 per cent resistant to
          trials are successful.The PMC is also getting help from Dow   soaking up water and durability is high. The maintenance
          Chemical International and Rudra Environment for erecting   cost of the road is very low.
          the hot mix plant at Yerawada where plastic trash would
                                                                Each  kilometre  of  a  single-lane  tar  road  can  consume
                                                                one tonne of plastic waste, and the plastic can double or
                                                                even triple the life of the road, said the economist in her
                                                                paper Almitra Patel, a solid waste management expert.
                                                                India produces about 15,000 tonnes of plastic waste daily,
                                                                of which about 9,000 tonnes is recycled. The remainder
                                                                clutters landfills and clogs drains, and is blamed for urban
                                                                flooding.

                                                                The new infrastructure commitment gives fresh impetus.
                                                                With  the  growth  in  the  industry  we  are  going  to  be
                                                                generating waste plastic, and we are going to be building

          be mixed with the tar material. The plastic waste tar   roads for the foreseeable future. Why not use the method
          material produced at the Yerawada hot mix plant would   that does away with the plastic waste and makes the roads
          be utilised on these proposed 25-km road. The company   cheaper, durable and safer?"




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