Upgradation of link road Tyar to Peyok Khangbu Taknak Block Kharu

Amount

Earth work in excavation by manual means over areas (Exceeding 30 em and upto 1.5 mtr in depth, 1.5 mtr in width as well as 10 sqm. on plan) including disposal of excavated earth upto 1 mtr from cutting edge, disposed earth to be levelled and neatly dressed in :: All kinds of soil

Providing and laying dry stone pitching(any thickness) including cost of stone on horizontal level. Below ground

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering- All work upto plinth level. 1:4:8 (1 cement: 34coarse sand: 8 graded stone aggregate 40mm nominal size) (A) Crushed

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

Providing and laying damp-proof course 50mm thick with cement concrete 1:2:4 (1 cement : 2 coarse sand 4 graded stone aggregate 20mm nominal size (A) Crushed

Earth work in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods,watering, rolling each layer with half tonne roller or wooden Lor steel rammers, and rolling every third and top -most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or tilling up ground depressions lead up to 50mtr and lift up to 1. 5mtr. in :

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.With material conforming to Grade-l (size range 75 mm to 0.075 mm) having CBR Value-30

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base I base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in- Charge.

Carriage of cement avg lead upto 50 M by MT

Carriage of sand and aggregate avg lead upto 55 by MT

Carriage of stone avg lead upto 20 M by head load.

Carriage of earth avg lead upto 1 km

SMT LOBZANG DOLMA