Drilling of 4 no.s of Borewells at Navapara and dependent villages of Dipka Area.

Drilling of perfectly vertical bore hole of following diameters for construction of Gravel Packed tube well up to desired depth in alluvial formation consisting of Soils, Clays, Sand, Gravel, Moorum, Boulders etc. and retaining the bore hole by using suitable drilling mud or foam or temporary housing pipe including all works pertaining to drilling such as transportation, installation and removal of drilling machineetc. complete. (C) 300 m.m diameter

Providing gravel packing with uniformly graded gravel as per I.S.4097 of 1967 ( revised up to date ) in the annular space between outer wall of casing pipe assembly and inner wall of bore hole including cost of gravel , transportation, stacking, washing and packing in layers ofsuitablethickness including all lead and lifts complete .

Supplying & Installation of Energy efficiant five star BEE rating ISI Marked required capacity of Three Phase, 50 Hz, 415V, deep well submersible pump Steel body, suitable for 6"tube well with Control Panel Starter suitable for Submersible pump with dry run protection, single phase preventer, connections, including clamps, bore cap etc. as required as per specifications but excluding pipe andconnection cable. 3 H.P. with 15 to 17 stages, Head Mt. 119-45 Discharge LPM 40-125

Supplying and laying of submersible flat cable ISI marked 3 core copper wire of suitable size with proper clamping of approved make.Supplying and laying of submersible flat cable ISI marked 3 core copper wire of suitable size with proper clamping of approved make. 4.0 Sq.mm.multi strand

Supplying and laying of approved make stainless steel wire rope 6 mm thick complete with binding for support of pump and motor

Providing & Fixing of MCB -Three Pole - 63 Amp

Providing and fixing of M.S. bail plug as per I.S. 2800 ( PART-I) 1991 in the bottom of casing assembly (C) 200 m.m diameter

Providing and fixing of well cap on top of the tube well for protection (D) 200 mm dia.

Conducting the yield test of tubewell by operating the pumping set continuously for a desired time period and measuring the discharge and drawdown of tubewell at a suitable time interval as per the direction of Engineer in Charge including cost of energy, cost of installation of suitable measuring device and hire charges of pumping set etc.complete. (B) Submersible pumping set above 3 to 7.5 H.P.

Development of gravel packed tube well by Air Compressor of suitable capacity including hire charges for all the required tools and plants etc. complete, for maximum duration of eight hours.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (Electric Resistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes of required dia, conforming to IS: 4270, of reputed & approved make, including painted with outside surface with two coats of anticorrosive paint of approved brand and manufacture, including required hire & labour charges, fittings & accessories, all complete, for all depths, as per direction of Engineer-in-charge.. 200 mm nominal size dia.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work.40 mm nominal outer dia Pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply including all CPVC plain & brass threaded fittings This includes jointing of pipes & fittings with one step CPVC solvent cement, trenching, refilling & testing of joints complete as per direction of Engineer in Charge. External work. 25 mm nominal outer dia Pipes

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement: 3 coarse and (zone-III) : 6 graded stone aggregate 20 mm nominal size)

Brick work with Fly ash bricks in foundation and plinth in cement mortar 1:6 (1 cement : 6 coarse sand)

Brick work with fly ash bricks in super structure above plinth level in cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster finished with a floating coat of neat cement of mix : 1:4 (1 cement: 4 fine sand)

Providing and fixing PTMT bib cock of approved quality and colour. 15mm nominal bore, 86 mm long, weighing not less than 88 gms

Providing and Fixing Service Wire 10 Sq. mm alum

Providing and Fixing UPVC column pipe 63mm 2" medium 18Kg Plasto as per instruction of Engineer - in - Charge.

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 20 mm nominal bore

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