Name of Work: Drilling three nos bore well and fixing casing at CSIR-CMERI Colony & Institute Campus, Durgapur-09
Sl. No.
Item Description
1
Boring/drilling bore well of 300mm dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer -in-charge, beyond 90 metre depth below ground level in all types of soil & Rocky strata including Boulders.
2
Supplying, assembling, lowering and fixing in vertical position in bore well PVC pipes for underground work ofapproved make of Schedule 80 (medium duty) conforming to ASTMD 1785 and threaded to match with GI Pipes as per IS:1239(Part-I)., including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge: 200 mm nominal size dia.
3
Supplying, assembling, lowering and fixing in vertical position in bore well PVC medium well screen (RMS) pipes with ribs, conforming to IS: 12818 for underground work ofapproved make of Schedule 80 (medium duty) conforming to ASTMD 1785 and threaded to match with GI Pipes as per IS:1239(Part-I)., including hire & labour charges, fittings & accessories etc. all complete, for all depths, as per direction of Engineer-in-charge: 125 mm nominal size dia.
4
Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer- in-charge.
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