Tender For Drilling Of 4 Nos Of Nx Size 63.00M Each (Non Coring) Upward Inclined Boreholes From Rviii(Top) Seam To Overlying Caved And Goaved Workings Of Rix Seam At Nkj Unit Of Khandra Colliery, Khandra-West Bengal
TDR : 54570867
Tender Notice
Corrigendum Details
BOQ
Expired
Khandra
West Bengal
Corrigendum : Tender For Drilling Of 4 Nos Of Nx Size 63.00M Each (Non Coring) Upward Inclined Boreholes From Rviii(Top) Seam To Overlying Caved And Goaved Workings Of Rix Seam At Nkj Unit Of Khandra Colliery
Name of Work:- Drilling of 4 nos of NX size 63.00m each (non coring) upward inclined boreholes from RVIII(Top) seam to overlying caved and goaved workings of RIX seam at NKJ unit of Khandra Colliery
Sl. No.
Item Description
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Item Description/ Heading
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Drilling 200 mm dia upward bore hole 0-2.12 m in coal
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Drilling 200 mm dia upward borehole 2.12.3 m in stone
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3-30 meter
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30-60
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60-63
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Machine installation charge
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Debris cleaning choba blasting loose materials
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