Reconstruction of Sewerage line and Sewerage Treatment Plant at Main Campus, Chatha

All kinds of soil.

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

1:3:6 (1 Cement : 3 coarse sand(zone-III) : 6 graded stone aggregate 20 mm nominal size).

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

1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

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

Add for plaster drip course/ groove in plastered surface or moulding to R.C.C. projections.