Drilling and construction of 2 nos of piezometer along with construction of 02 nos of room for DWLR at Ananta OCP, Jagannath Area

PART-A:-Boring,/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in lS: 2800 (pan l), 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 ol Engineer-in-charge, upto 90 metre depth below ground level. All types of soil. 300 mm dia

Boring,/drilling bore well of required dia for casinS/ strainer pipe, by suitable method prescribed in lS: 2800 (pan l), 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 dire.tion ol Engineer-in-charge, upto 90 metre depth below ground level. Rocky strata including Boulders.300 mm dia.

Boring,/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in lS: 2800 (part l), including collecting samples from different slrata, preparing and submitting strata chart/ bore log, including hire & running charges oI all equipments. tools, plants & machineries required for the job, all complete as per direction of Engineer in charge, beyond 90 metre & upto 150 metre depth below Eround level. Rocky strata including Boulders.300 mm dia.

Boring/drilling bore well of required 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 –incharge, beyond 150 metre & upto 210 metre depth below ground level:Rocky strata including Boulders: 300 mm dia

Boring/drilling bore well of required 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 –incharge, beyond 210 metre & upto 270 metre depth below ground level: Rocky strata including Boulders: 300 mm dia

Boring/drilling bore well of required 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 –incharge, beyond 270 metre & upto 330 metre depth below ground level: Rocky strata including Boulders: 300 mm dia

Supplying,assembling, lowering and fixing invertical positioning borewell, ERW(ElectricResistanceWelded) FE 410 mildsteel screwed and socketed / plainended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted without side surface with two coats of anti corrosivepaint of approved brand and manufacture,including requiredhire & labour charges,fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge.e of Materials. 150 mm nominal size dia having minimum wallthickness 5.00 mm

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance welded) FE 410 plain slotted (having slot of size 1.6/3.2 mm) mild steel threaded and socketed/ plain bevel ended pipe ltype A) of required dia, conforming to 15: 8110, of reputed and approved make, having wall thickness not less than 5.40 mm. including painted with outside surlace with two coats of anticorrosive bitumestic paint of approved brand and manufacture, including hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer -in-charge. 150 mm nominal dia

Providing and fixing Bail plug,/ Sottom plug of required dia to the bottom ot pipe assembly of tubewell as per lS:2800 (part l).150 mm dia.

Gravel packing in tubewell construction in accordance with lS:4097, includinB providing gravel fine/ medaum/ coarse, in required grading & sizes a5 per actual requirement, all complete as per direction of Engineer in charge.