Installation and construction of 2 Nos of piezometers (85 mtr 268 mtr depth) for Kolarpimpri opencast Mine under Kolarpimpri-Pimpalgaon Sub Area of Wani North Area.

Amount

A) DRILLING BORE & INSTALLATION OF PEIZOMETER: Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead up to 50 m and lift up to 1.5 m. All kinds of soil.

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-in-charge, all depth below ground level. All types of soil 300 mm dia

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.150 mm nominal size dia having minimum wall thickness 6.00 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 (type A) of required dia, conforming to IS: 8110, of reputed and approved make, having wall thickness not less than 6.00 mm, including painted with outside surface 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 size dia

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of tubewell as per IS:2800 (part I).150 mm dia

Lowering, laying and jointing G. I. pipes and specials of following class and diameter including conveyance from stores to site of works, all labour, etc. complete either underground or in vertical position, as directed by Engineer-in-charge.50 mm. ( 5.16 kg./m )

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.

Providing cement sealing (2m) to prevent entry of the ground water from top aquifer into peizometer.

Providing bentonite sealing (2m) to prevent entry of the ground water from top aquifer into peizometer.

Providing sand pack (2m) to prevent entry of the cement slurry from cement sealing in to gravel pack and for separating two acuifer zones after gravel pack.

Providing bentonite clay filling above cement up to ground level but below sanitary seal to prevent entry of the surface and sewage water at top.

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: 150 mm dia

Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by "V" notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, i/c disinfection of tubewell, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement and direction of Engineer-in-charge.

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 direction of Engr-In-Charge. Including cost of energy, cost of installation of suitable measuring device and hire charges of pumping set etc. complete. submersible pumping set above 3 to 7.5 HP.

Supply and Installation surface mounted 220-210 Volt Each digital water level recorder (With telemetry system) of approved brand sensor with 100 mr cable: as per Instruction /'approval of the Engg-In-Charge. As per attached specification • Piezoresistive pressure sensor • Probe insertion measurement method, casy to install Forlevel measurement • • Multiple protective structure design, high protection ability LCD option • Variety of styles, suitable for various industrial applications • Anti-corrosion stainless steel material • Sensor with100m t r cable: •Pressure range 0~0,5m. 200m,0 • Supply & output: 4-20mA with display (12-36V, 24V typical) • Operating temp. -20°C~85°C • Span temp. Coefficient 11.5% FS (within compensated temp.) • Overpressure 200%FS300%FS • Accuracy 1% FS •Longtermstability +0.2%FS/year • Material:Low copper aluminum alloy for junction box; • stainless steel for level probe Polyurethane wire for cable. • Medium compatibility. • Web Portal Data Loggingfor 1yr. Supply and Installation surface mounted 220-240 Volt digital water level recorder (With telemetry system) of approved brand sensor with 100 mtr cable : as p e r Instruction / approval of the Engg-In-Charge. As per attachedspecification • Piezoresistive pressure sensor • Probe insertion measurement method, easy to install F o rlevel measurement

6Supplying and installation wall mounted 220-240 volt Each digital water level recorder (Without telemetry system) of approved brand as per instruction / approval of the Engg-In-Charge.As per attached specification Piezoresistive pressure sensor • Probeinsertionmeasurement method,easyt o install • Forlevel measurement • Multiple protective structure design, high protection ability • LCD option • Variety of styles, suitable for various industrial applications • Anti-corrosion stainless steel material • Sensorwith1 0 0 mtr cable: • Pressure range 0~0.5m. 200mH20 • Supply & output: 4-20mA with display (12-36V, 24V typical) • Operating temp. -20°C~85°C • Span temp. Coefficient 11.5% FS (within compensated temp.)* • Overpressure 200%FS 300%FS • Accuracy 1% FS •Longtermstability +0.2%FS/year • Material: Low copper aluminum alloy for junction box; • stainless steel for level probe Polyurethane wire for cable • Mediumcompatibility. • Web Portal Data Logging for 1yr. Supplying and installation wall mounted 220-240 volt digital water level recorder (Without telemetry system) of approved brand as per instruction / approval of the Engg-In-Charge.As per attached s p e c i f i c a t i o n Piezoresistive pressure sensor • Probeinsertionmeasurementmethod,easy to install ALAMALA

Assistance of menpower for running of pump watch and Shifts. ward of material during recording of messurments of water level in three shifts a day for a period of 7days 2 menpower has to be provided in a shift for a period 8 hours as directed by engineer in charge 3 shifts × 7 days=21 shifts

Supplying and erecting minimum Three & above star rated submersible pump set of 5.625 KW/7.5 HP with 415 V, 50 c/s AC supply suitable for 150 mm dia. borewell suitable for 50 to 330 LPM discharge at 169 to 18 m head & discharge & delivery pipe of Size-50 mm diameter with a necessary H type clamps as per specification No. WP-SMP

Providing ISI mark G.I. pipe of following class and dia. excluding GST levied by GOI & GOM in all respect, inspection charges, transportation to stores etc. complete as per IS-1239/2004. Note : One coupler shall be provided with each full length of pipe cost of which is included in rates below.80 mm. (8.64 kg/mtr)

Dismantling dead pipeline of M.S./ R.C.C./ C.I./ P.S.C. and G.I./ A.C./ P.V.C./ S.W./ H.D.P.E. pipe including cost of necessary excavation and refilling of trenches, breaking the joints, lifting the pipes and stacking to the place as directed by Engineer-in-charge with all leads and lifts including cleaning the surface,etc.complete For G.I./A.C./P.V.C/.W/HDPE 80 mm.

Dismantling the existing submersible pump with GI pipeline up to 10m depth. (For additional depth of each 3 m or part thereof add Rs.50/- per 3 m, in the rates)

Supplying & erecting flat flexible 3 core 4 sq.mm PVC sheathed submersible type copper cable suitably clamped at fixed intervals with column pipe assembly complete.

Supplying & erecting Fully Automatic Star/delta starter suitable for 12.5 H.P to 15 H.P. for 3 phase squirrel cage motor totally enclosed with overload and no volt relay complete erected on provided angle iron frame.

B) ROOM PORTION Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. All kinds of soil

Supplying of boulder & muroom and filling in plinth (100cft boulder and 40 cft murum for 100 cft finished.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, ifnishing and reinforcement- All work up to plinth level :1:1.5:3 (1 cement: 1.5 coarse sand (zone-III) derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete above plinth level .Thermo-Mechanically Treated bars.

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in foundation and plinth in Cement mortar 1:6 (1 cement : 6 coarse sand)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand)

Finishing walls with Acrylic Smooth exterior paint of required shade : New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer Using flats 30x6mm for diagonal braces and central cross piece

Providing and fixing of retro- reflectorised informatory sign board rectangular/Square in shape having area less than 0.9 square meter made out of ____mm aluminum sheet bonded with white retro reflective sheeting of Class __ ( Type IV High intensity micro-prismatic grade sheeting-HIP) having pressure sensitive/heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3, supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with two coats of grey stove enamel paint and supported on one no. mild steel angle iron post 75 mm x 75 mm x 6 mm, 3.5 mt long firmly fixed to the ground by means of properly designed foundation with M25 grade cement concrete 45 cm x 45 cm x 60 cm, 60 cm below ground level as per approved drawing The angle iron post shall be duly painted with one coat of epoxy primer and two coats of epoxy finish paints having alternate black and white bands of 25 cm width including GI fixures and transportation etc.complete.The nut bolts of board with angle iron post/supporting structure after fixing at site has to be electrically welded. Class B ( Type IV High intensity micro-prismatic grade sheeting-HIP) sheeting shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade :Two or more coats on new work

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 4.1.2 1:1½:3 (1 Cement: 1½ coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Total impact of GST for the purpose of CTC

TSN ENTERPRISES (BID ID -1160657)