Improvement of main irrigation khul at Mukurthang.(Under BADP)

Earth work in excavation by mechanical means (Hydraulic excavator) over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. A. All kindsof soil 60%.

B. Ordinary rock 40%.

Dumping stone excluding cost of stones. in Horizontal on level

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 gradedstone aggregate 40 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form work for : A.Foundations, footings, bases for columns.

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand)

Carriage of material by mechanical transport. A. Sand an avg lead 10 kms.

B. Stone agg an avg lead 20 kms.

C. Stone an avg lead 5 kms.

Carriage of material by manual lobour. A. Sand and stone agg an avg lead 200 mtrs.

B. Cement an avg lead 200 mtrs.

C. Stone an avg lead 200 mtrs.