Improvement and remodelling of irrigation khul from Nagpothang to Murkhan Thangkhor Bogdang.(Under CAPEX)

Earth work in excavation by manual means 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 -incharge. A. All kinds of soil 70%.

B. Ordinary rock 30%.

Dry stone pitching (any thickness) excluding cost of stones.

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)

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)

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

B. Suspended floors, roofs, landings, balconies and access platform.

C. Edges of slabs and breaks in floors and walls.

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

Steel reinforcement for R.C.C.work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

Carriage of material by mechanical transport. A. Cement an avg lead 165 kms.

B. Sand and stone agg an avg lead 20 kms.

Carriage of material by manual lobour. A. Cement an avg lead 600 mtrs.

B. Sand and stone agg an avg lead 600 mtrs.

Steel work welded in built up sections / framed work, including cutting, hoisting, fixing in position and Instringers,treads, landingsetc.ofstaircases, including use of chequered plate wherever required, all