Modernisation and Up-gradation of Govt. HSS Birpur ( Under Capex Budget 2025-26) (UT Sector).

Earth work in bulk excavation by mechanical means (hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 m2 on plan) including disposal of excavated earth lead upto 50 meters and lift upto 1.5 m, as directed by Engineer-in-Charge (All kinds of soil)

Extra for every additional lift of 1.5 m or part thereof in excavation/banking excavated or stacked material ( All kinds of soil )

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m.

Providing and laying damp-proof Course 50 mm thick with cement concrete 1:2:4 (1 cement:2 coarse sand: 4 graded stone aggregate 20 mm nominal size) and curing complete

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) over 75mm bed of dry brick ballast 40mm nominal size well rammed and consolidated and grouted with fine sand including finishing the top smooth and curing complete

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size)

1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size)

1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)