Drilling, Boring and Installation of 4 Nos Tubewell with (Reverse Rotatory Method) from Park Community Centre H/o Hari S/o Roopchand, Col.Tare, Tihai Mohalla in Village Chakkarpur Ward No. 33 and all other Works contingent thereto.

Amount

Drilling of 685.80 mm dia bore by hydraulic rotary drilling (reverse circulation Method) according to ISI specification No. 2800-1991 (Part-I) as amended upto date and modified to extent of the specification attached with this schedule of item works in all kind of soils and boulders upto 125 mm dia except rocky strata including the cost of all consumable stores, fuel,oil,soil stabilizing material and transportation of ring and other accessories to the site 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. 0 to 60 = 60m

Drilling of 685.80 mm dia bore by hydraulic rotary drilling (reverse circulation Method) according to ISI specification No. 2800-1991 (Part-I) as amended upto date and modified to extent of the specification attached with this schedule of item works in all kind of soils and boulders upto 125 mm dia except rocky strata including the cost of all consumable stores, fuel,oil,soil stabilizing material and transportation of ring and other accessories to the site 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. 60 to 183 = 123m

Supplying and lowering 219.10 mm outer dia ERW steel pipes as per IS 4270-1992 as amended pipe in 4 o 7 meters random length with 88.90 mm of threaded end ( 8 threads to an inch or 25.40 mm ) manufactures out of 6.40 mm thick M.S. plates with required number of M.S. Socket 152.40 mm length 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 Engineer –in- charge of the work including cost of all cutting, threading of pipe, welding where required and all sockets.

Supply and lowering slotted pipe of size 219.10mm outer dia, stainless steel pipe confirming to IS 3589-1991 ( with latest amended) duly ISI marked made out or the 6.35.. Thick steel sheet in rembom lenth of 4 to 7 mtr inside and outside coated with anticorrosive black mastic paint with butt-joint as per IS 3589-1991 (( with latest amended) including cost of cutting, jointing, welding lowering in bore hole in vertical position including cost of all T&P accessories required for the job as per site condition complete in all respect upto a depth of 0 to 60mtr depth.

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

Supplying & Packing graded gravel of size as per ISI 4097/1988, as amended upto date and specification attached with this schedule of item of works. The Gravel should be free Dust, dirt or vegetable matters. Packing to be done from the house pipe to the bottom of liner all around on the bore and will be placed other liner and housing pipe shave been lowered and suitably clamped. Thickness and size of the gravel packing will be directed by the Engineer- in- charge Strictly as per relevant ISI . qty= 0.25x22/7x(D2-d2)xdepth. 0.25x22/7x(0.692-0.222)x123=41.82cum..

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 Engineer-in-charge.

Supplying as per ISI 226/1975 as amended up to date décor box made of 20mm thick wood size 60cm X 30 cm X75 Cm with lid and locking arrangement etc. for preserving the strate samples recived from the bore as when desired by the Engineer-in-charge.

Supplying and fixing 219.10mm M.S Clamp as per ISI 226/1975 as amended up to date of supporting the housing pipe supported on two griders not less than 100mmX150mm and two meters long each amended in suitable as approved by Engineer-in-charge.

Development of T/well according to clause 9.3 of IS:2800-1991 (part I) as amended upto date and specification attached & #38 ;As Directed by the Engineer-in-charge of the work including the cost of all Consumable stores,fuel,oil compressors ,pumps & machinery etc. as required of this work,when developed by compressor of the 450/600 cfn,250 PSI.

Resistivity Survey

Supplying ,Erection testing and commissioning of Submersible pumping sets as per BIS specification no 8034-1989 (as amended upto date for pumps ) discharges 250 LPM,Head 90,10 HP and is 9283-1979(as amended upto date for motors ) 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 each pump motor sets shell be supplied with joint free 50m Double length PVC insulated and PVC shealted flexible 6mm type submersible cable of Finolex make and junction box jointing of submersible cable and submersible pumping set.

Supply Erection Testing of Electric Control panel for T/Well in pump Chamber Consisting of Ms sheet of Thicknes 14 Gauge Duly painted box type floor, Monted, Made by angel frame containing 1 Nos fully automatic air brake starter suitable for 10 HP Motor, main switch of suitable rage with HRC fuse 1 No. volt meter of ( 2 to 500 volts) 1 no. amp. meter of 0 to 32 Amp, 3 set Os Indicating lamp capacitor of suitable capacity = 38: 1 Nos single phase preventors with the timer switch including wiring in panel board = 38:1 suitable electric energy meter wiring from to eletric control panel board complete in all respect of make L=38: TML2 as per specifications given in schedule No. 2.

Supply and fixing following CI and CF pipe. Specials Sluice valves with whell. Non return valves with G flap including cost of jointing materials excavation laying refilling including makinh adequate sponsors of masonary/ concerete / steel for delivery pipe from Submersible pupm set up to 1.5 mtr. outside the outer wall of pump chamber as per plan show as per satisfaction given in schedule no. 2 A.) details of pipe and specials. i) CID/bends reducers, tapers, tees, tails piece, blank flange, etc upto 100 mm i/d.

ii) CID/F Pipe 80 MM I/D

S & E of pressure gauges with siphon cock as per IS : 3624 and having 150mm dia gauge in delivery pipe inside pump chamber.

S & E of wall mounting type lolennois drive motor less electromagnetic diaphragm dozing/metering pump working on single phase 220/240 V as per approved DNIT.

P/F 16mm 3 core PVC aliminium cable make finolex complete in all respect.

Supply of D.I K-7 pipe complete 100mm dia.

providing and fixing D.I fitting of D.I special of different sizes conforming to IS Specifications.

making connection with the existing main pipe line complete in all respect.

Bidder Name

Amount

Sunil Kumar Contractor

Rajender Contractor

Rajender Contractor

Sunil Kumar Contractor