Flood protection work at Kharponthang Yokma/ Gongma.(Under CAPEX)

Earth work in excavation by mechanical means (Hydraulic excavator) in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, liftupto1.5m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. A. All kinds of soil 40%.

B. Ordinary rock 60%.

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 manufactured sand derived from Recycled Concrete Aggregate (RCA) : 6 graded stone aggregate 20 mm nominal size Recycled Concrete Aggregate (RCA)

Centering and shuttering including strutting, propping etc. and removal of form work for : Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc.

Constructing vertical bunds with sloping faces ,by boulder filling (dry ,hand packed tightly); including cost of stones but excluding cost of wirecrates.

Carriage of material by mechanical transport. A. Sand and stone agg an avg lead 20 kms.

Carriage of material by manual lobour. A. Sand and stone agg an avg lead 1200 mtr

B. Stone an avg lead 600 mtrs.

Supply of crate wire carriage complete job. A. Crate wire.