Trivandrum’s Bylanes to get concrete coat
The District Planning Committee (DPC) has approved to spend Rs80 lakh to concrete the city’s bylanes. It is the largest allocation ever received by the works standing committee for the city’s bylanes.
As per the annual plan outlay for 2014-15, a total of 850 Bylanes in the city will be laid with concrete. All roads that are less than 3m wide and inaccessible by road rollers have been included under the project.
The use of bitumen was rejected after considering factors like durability and viability in using road rollers. Concrete-laid roads last longer than bitumen and cost for laying is less compared to normal tarring using bitumen.
The engineering wing of PWD will relay the stretches at a thickness of 15 cm. A 10cm base will be prepared, on which a sub-base will be laid at a thickness of 5cm. In places where water logging occurs, the base will be laid at 12cm while the sub-base will be laid at 8cm.
Meanwhile contractors pointed out that the estimate for many bylanes have been fixed at a much lower rate than the actual requirement. They also said that concrete roads turn slippery and could lead to accidents. The change in proportion of cement, earth and metal and the new rates will affect the quality of bylanes.
City’s residential areas have increased over the years and there is huge need for increased connectivity. Laying roads with bitumen at 20mm thickness would off easily.