Name of Work: Borewell Work for Industrial Water at ISRF
Sl. No.
Item Description
1
Drilling & Boring for tubewell of dia 6 inch using rotary driller inside CSL at Willingdon Island. The approximate depth of borewell will be 125m and beyond this depth boring shall be done with approval. Rate is inclusive of Supply & Installation of following components: 150mm dia UPVC casing plain and perforated pipe of 10kgf/cm2 with threaded ends and perforated pipe shall have approx. length of 18m, Gravel for packing around casing pipe and developing the tubewell with compressor, 150mm dia PVC end cap, 150mm dia Bail Plug, etc. Rate is inclusive of preparing the surface for drilling, carriage and hire charges of machineries, providing connections, flushing, sample collection, outer casing pipe (if required), etc. Item is inclusive of cost and conveyance of all the materials, labour charges, machineries, etc. complete in all respect. Outer Casing pipe, if required, shall be used while boring, without any extra cost, which shall be withdrawn after requirement. Rate will be payable to the actual depth of boring done. (Casing Pipe shall have make of Finolex/Supreme/Hycount)
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