Details: (i) rcc covered drain at dcb road : excavation for structures (earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. b. mechanical means i) in ordinary soil, with dewatering, (i) depth up to 3.00m sand filling in foundation trenches as per drawing & technical specification pcc 1:3:6 in foundation (plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days.) plain/reinforced cement concrete, in open foundation complete as per drawing and technical specification including steel shuttering formwork.(n) without plasticiser, (c) rcc grade m20, case i : - using concrete mixer plain/reinforced cement concrete in substruct
Sector: Road development