Extra cost for every additional depth of 0.300 m. 1.80 m depth for manholes with RCC core wall between masonary, in water logged area. Inside size 90×150 cm Each depth of 0.30 mtr.
Extra cost for every additional depth of 0.300 m. 1.80 m depth for manholes with RCC core wall between masonary, in water logged area. Inside size 90×150 cm Each depth of 0.30 mtr.