Providing and installing 3 No. tube well of size 250 mm x 200 mm up to 205 meters depth below ground level , 3 no. submersible pumping set 600 LPM 91Mtr Head, construction of 3 No. Pump chamber 10x12 , boundary wall (in Ward no.6, 12 AND 15)

Amount

Drilling of 558.80 mm dia bore by hydraulic rotary drilling (reverse circulation method) according to ISI specification No. 2800-1991 (Part-I) as amended up to date and modified to extent of the specification attached with this schedule of items of work in all kinds of soils and boulders up to 125 mm dia except rocky strata including the cost of all consumable stores, fuel, oil, soil stabilizing material and transportation of rig and other accessories to the site of proposed bore and back (including cost of lowering of all sizes of casing pipe while boring and extracting the same against earth frictions etc.) complete to the satisfaction of the Engineer-in-charge.

Supplying and lowering 273.10 mm outer dia ERW steel pipes as per IS 4270/1992 as amended up to date, duly ISI marked for housing pipe in 4 to 7 meters random length with 88.90mm of threaded ends (8 threads to an inch or 25.40mm) manufactured out of 8.00mm thick M.S. plates with required number of M.S. socket 177.80mm with inside thread to match the pipe threads and made out of M.S. plate in to borehole in vertical position including cost of all scaffolding, derricks, Jim, poles, tools and plants, ropes, gays M.S. clamp embedded in foundation etc. complete in all respects to the satisfaction of the Engineer-in-charge of the work including cost of all cutting, threading of pipe where required and all sockets.

Supplying and lowering 219.10mm outer dia ERW steel pipes as per IS 4270/1992 as amended up to date, duly ISI marked for housing pipe in 4 to 7 meters random length with 88.90mm of threaded ends (8 threads to an inch or 25.40mm) manufactured out of 6.40mm thick M.S. plates with required number of M.S. socket 152.40mm with inside thread to match the pipe threads and made out of M.S. plate in to borehole in vertical position including cost of all scaffolding, derricks, Jim, poles, tools and plants, ropes, M.S. clamp embedded in foundation etc. complete in all respects to the satisfaction of the Engineer-in-charge of the work including cost of all cutting, threading of pipe where required and all sockets.

Lowering 200mm i/d all welded low carbon galvanized steel (LCG) cage type V-wire wound screen conforming to ISI 8110-2000, IS 4270-1992 and composition of material as per ISI-1012 of outer dia 219 equivalent thickness 7.00mm, tensile load 14000 Kg. minimum and ring thickness 7 mm, slot opening 0.75 mm, open area 25% .

Supplying, fixing and lowering reducing socket as per IS: 226/1975 as amended up to date 273.10mm outer dia, into 219.10 mm outer dia with 8 threads per inch or 25.40 mm, to be made out of M.S. plate with interior threads to be suitable for jointing outer dia pipe and 219.10mm outer dia ERW pipe as per item No. 3 and 4 above or by cement grouting.

Providing and fixing in position suitable bail plug hook of 219.10mm as per IS 226/1975 as amended up to date, including the cost of M.S. Screwed sockets etc. complete in all respects, to the entire satisfaction of the Engineer-in-charge of the work

Supplying and packing graded gravel of size as per ISI 4097/1988, as amended up to date and specification attached with this schedule of item of work. The gravel should be free from dust, dirt or vegetable matters. Packing to be done from the housing pipe to the bottom of liner all around in the bore and will be placed after liner and housing pipes have been lowered and suitably clamped. Thickness and size of the gravel packing will be as directed by the Engineer-in-charge strictly as per relevant ISI.

Supplying and fixing well threaded M.S. cap for 273.10mm outer dia M.S. pipe as per ISI 226/1975 as amended up to date to the satisfaction of the Engineer-in-charge

Supplying as per IS: 226/1975 as amended upto date deodar wooden box made of 20mm thick wood size 60cmx30cmx75cm with lid and locking arrangement etc. for preserving the strata samples received from the bore as and when desired by the Engineer-in-charge.

Supplying & fixing 273.10 mm M.S. clamp as per IS: 226/1975 as amended up to date for supporting the housing pipe supported on two girders not less than 100mmx150mm and two meters long each embedded in suitable foundation as approved by the Engineer-in-charge.

Providing clay seal of thickness 4.0m or above consisting of balls of local clay or bentonite mud to be placed in the annular space around the assembly the clay seal should be provided at a level of minimum 25.00m above the most screens depending on the logging results.

Electric logging of tube well

Development of tube well according to clause 9.3 of IS: 2800-1991 (Part-I) as amended up to date and specifications attached and as directed by the Engineer-in-charge of the work including the cost of all consumable stores, fuel, oil, compressors, pumps and machinery etc. as required for this work. When developed by compressor of 450 CFM/250 PSI or suitable rating

SUB HEAD -2 PUMPING MACHINERY Supplying, erection testing and commissioning of submersible pumping sets as per BIS Specification No.8034-1989 (as amended up to date for pumps) and IS. 9283-1979 (as amended up to date for motor) the pump motor sets should be capable of pumping clear fresh cold water having Characteristics as specified in Clause-4 of IS. 8034/1989 and Clause 4.1 of IS 9283/1979 with submersible set motor model V-8 with pump (i) 600 LPM/ 91 M. Head (KSB/SIEMENS) 20 HP

Supplying and fixing following C.I. D/F pipe, CI specials, sluice valves with wheel, non return valves with G.M. Flap including cost of jointing materials, excavation, laying refilling including making adequate supports of masonry / concrete / steel for delivery pipe from submersible pump set up to 1.5 meter outside the outer wall of pump chamber as per plan shown as per specification given in Schedule No II. A) Detail of pipe and specials a) CI D/F bends, reducers, tapers, tees, tail piece, blank flange etc. up to 150 mm i/d

B) C.I. D/F pipes a) 150 mm i/d

Earthing with G.I. earth pipe 4.5 meter long 40 mm dia with masonry enclosure & 4 mm dia G.I. wire in 15 mm dia G.I. pipe from earth electrode as per I.E/1996 rules & as required by Chief Electrical Inspector of HVPN as per specification in Schedule No. II complete in all respect.

S&E of Pressure Gauges with siphon cock as per IS:3624, & having 100mm dia, Dual Gauge, in delivery pipe inside Pump chamber

S&E of “Wall Mounting Type, solenoid driven, motor-less electro-magnetic diaphragm Dozing / Metering pump working on single-phase 220/240 V 50 Hz electric supply, with standard electronic controls, suitable for minimum dozing capacity 0 to 5 LPH at 8 bar back pressure”, complete with necessary accessories; :: Make-Fontus./e-dose/Aventura/TALLIMAX/Toshkon/JESCO/BHASK Along with S&E of: a) 1 No. 300 Ltrs capacity on each new t/w ISI marked HDPE storage tank on each new t/w, with each Dozing Pump, of ‘Sintex’,"Sheetal" or other Multi Layer Tank (approved food grade) .

Bidder Name

Amount

Mohan Dutt Sharma(GSTN-NA)

Sh. Sunil Sharma Contractor(GSTN-NA)

Sh. Sunil Sharma Contractor

Sh. Sunil Sharma Contractor