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The walls on either side of the road had an RCC structure that had to have a constant height of 10m from the ground level. Therefore, in the construction of the underpass, to retain such a height, 30-40 ft had to be excavated to provide a foundation, and enable concreting, steel-setting and curing. Concrete was used on these roads instead of asphalt as it provides high durability and can last for over 30 years.

The walls on either side of the road had an RCC structure that had to have a constant height of 10m from the ground level. Therefore, in the construction of the underpass, to retain such a height, 30-40 ft had to be excavated to provide a foundation, and enable concreting, steel-setting and curing. Concrete was used on these roads instead of asphalt as it provides high durability and can last for over 30 years.

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