| 1 | 1 | Construction of INLET portal at the entrance of DRIFT. | BI01010001010000000000000515BI0100001112 | | |
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| 2 | 1.01 | Steel Reinforcement for RCC work including straightning, cutting, bending in position and binding all complete. | BI01010001010000000000000515BI0100001113 | 627.65 | kg |
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| 3 | 1.02 | Providing and laying in position specified grade of reinforced cement concrete excluding cost of formwork, finishing and reinforcement. | BI01010001010000000000000515BI0100001114 | 7.255 | cum |
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| 4 | 2 | Clearing jungle including uprooting of rank vegetation, grass, bush, wood, trees and sapling of girth upto a distance of 50m outside the periphery of the area cleared. | BI01010001010000000000000515BI0100001118 | 625 | sqm |
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| 5 | 3 | Making approach path and cutting of steps in hilly terrain including cost of labour and T&P complete. For 1.5 m wide path | BI01010001010000000000000515BI0100001119 | 250 | m |
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| 6 | 4 | Erection of wooden supports in drifts including cost of materials, fitting and fixing in position complete with cost of all labour, T&p and transport as per directions of Engineer-in-charge | BI01010001010000000000000515BI0100001120 | 150 | m |
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| 7 | 5 | Carriages by mechanical transport including loading and unloading and stacking etc. (Excavated rock) | BI01010001010000000000000515BI0100001121 | 685.5 | cum |
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| 8 | 6 | Excavation in hard rock (blasting) with disposal upto 1000meters. | BI01010001010000000000000515BI0100001122 | 685.5 | cum |
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| 9 | 7 | Excavation of drift in different formation with cost of all labours, T&P and POL, excluding cost of explosive material, wooden/steel supports complete and as per directions of engineer-in-charge: (Assuming 2mX2.5m size DRIFT tunnel in hard rock formation. | BI01010001010000000000000515BI0100001124 | | |
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| 10 | 7.01 | Up to 30m length | BI01010001010000000000000515BI0100001125 | 411.3 | cum |
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| 11 | 7.02 | From 30m to 100m | BI01010001010000000000000515BI0100001126 | 274.2 | cum |
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