Completion of balance work of Construction of Gyalding Zamba Irrigation Khul / Waterways (Under CAPEX)

All Kind of soil 40%

Ordinary Rock 20%

Hard Rock (R.B) 40%

Cast in situ plum concrete work of nominal mix concrete M-10 grade (total mass of dry nallah aggregate 480kg(max excluding plums) and water 34Kg (max) per 50kg of cement) nominal max size of stone aggregate 20mm, volumetric batching using plum aggregate 20mm, volumetric batching using plum (size over 160mm, split nallah stone or quarry stone) @20% of gross volume upto plinth level excluding cost of form work and including curing complete..

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering - All work upto plinth level 1:2:4 (1 cement: 2 coarse sand (zone-III) derioved from natural sources: 4 graded stone aggregate 20mm nominal size derived from natural sources)

Centering and shuttering incld.strutting propping etc. and removal of from for wall any thickness incld. Attached pilaster, buttresses plinth and string coarse ect walls of any thickness

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

Cement concrete flooring 40mm thick 1:2:4(1cement: 2 Coarse sand: 4 graded stone agg.) finished with a floating coat of net cement slurry, but excluding the cost of nosing of step etc. comlepte 40mm thick with 20mm size stone agg.

Dumping /Filling of stones in horizontal level excluding cost of stone