Meghalaya to have bitumen-plastic roads
Shillong: In a first-of-its-kind in the
north-eastern region, bitumen and waste plastic will be used in
road construction in Shillong using a technology known for its
durability, especially in extreme weather conditions.
To start with a four-km stretch in Jhalupara area of the
city, which gets damaged every year due to heavy rains, will
be re-constructed by Shillong Cantonment Board at an estimated
cost of Rs 30 lakh.
Chief executive officer of the board, S Prabhakaran, told
agency that the board is approaching R Vasudevan, the patented
owner of the technology who heads the chemistry department at
the Thiagarajar College of Engineering in Madurai.
Asked about the cost of the new construction, Prabhakaran
said it will be the same as of conventional bitumen mix but
will have a longer lifespan.
"To lay one km of plastic road 3.75 m wide, 9 tonnes of
bitumen and 1 tonne of waste plastic are required for coating.
A normal road requires 10 tonnes bitumen for each kilometre.
So a plastic road saves 1 tonne bitumen for every kilometre
laid. Each tonne of bitumen costs Rs 50,000 to 60,000," he
The Board is planning to use waste and confiscated
plastic bags for the purpose after the Meghalaya government
imposed a blanket ban on the use of plastic bags.
"To begin with, we will use the confiscated plastic bags.
But for the remaining quantity the board will have to buy
plastic waste," he said.
Meghalaya State Planning Board vice chairman, John F
Kharshiing, had earlier suggested that the state government
should tap the modern method of laying more durable all
weather roads in the state in the wake of the climatic
Meghalaya receives average annual rainfall as high as
1200 cm in some areas.
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