Proposal for Different Upward Horizontal Vertical Bore hole from RVI seam to RV Seam at MIC Unit Jhanjra project Colliery

Discription of item

Estimate -01 ( 01 no Horizontal B.H. along 20L from CM panel-10 to CM panel-11) Drilling of 8" dia Non coring U.G. horizontal B.h. including lowering & casing of pipes in coal bearing strata 0.00m to 3.00m = 3.00m

Drilling of 6" dia Non coring U.G. horizontal B.h. including lowering & casing of pipes in coal bearing strata 3.00m to 30.00m = 27.00m

For Choba making in soft stone, radious = 0.5m, Height = 1.0m, Volume = 3.14x0.5x0.5x1 = 0.785 cum

Estimate -02 ( 05 nos upward dewatering B.H.) Drilling of 6" dia(150mm) Non coring U.G. upward B.H. in coal bearing strata 0.00m to 3.00m = 3.00m x 05 nos = 15.0m

Drilling of 4" dia(100mm) Non coring U.G. upward B.H. in coal bearing strata 3.00m to 30.00m = 27.00m x 05 nos = 135.0m

Drilling of 4" dia(100mm) Non coring U.G. upward B.H. in coal bearing strata 30.00m to 60.00m = 30.00m x 03 nos = 90.0m

For Choba making in soft stone, radious = 0.5m, Height = 1.0m, Volume = 3.14x0.5x0.5x1 = 0.785 cum x 05 nos = 3.925 cum

Estimate -03 ( 01 no verticle BH from RVI seam 32D/20L&21L to RV seam 4D/13L forDewatering by using Submersible pump) Drilling of 20" dia(500mm) Non coring verticle B.H. from RVI to Rv seam for dewatering of RV seam in rock portion 0.00m to 28.00m = 28.00m

Roof Bolting for site preparation

Cleaning for site preparation , 30m x 6.0m x 1.40m = 252.00 cum

Electrical materials such as cable layout, switch, motor, fan installation

Choba cutting (Hard Stone Cutting) by hand, 2.0 x 2.0 x 1.3 = 5.20 cum

Cost of MS casing pipe 20" dia for 03 m.

Total impact of GST for the purpose of CTC

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