Providing installing and commissioning of one No tubewell supply and erection of one No submersible pumping sets on tubewell electric control panels and laying of pipeline and all other works contingent thereto Village hazipur

Amount

NS Item

Drilling of 609.60mm 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 125mm 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 proposed bore and back (including cost of lowering of all sizes of casing pipe while boring and extracting the same against earth frictions etc.) compete to the satisfaction of the Engineer-in-Charge. 1 to 110 meters depth (110 mtr. X 1 No.) = 110mtr.

Supplying and lowering 219.10mm outer dia ERW steel pipes as per IS 4270-1992 as amended upto date 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 177.80mm 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, gus 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, welding where required and all sockets. The pipe shall be painted with anti- corrosive paint and covered tightly with polythene. 85 mtr. x 1 No. = 85 mtr.

Prov. & lowering 219.10 mm o/d LCG Screen confirming to ISI Specification of outer dia 221 mm equivalent thickness 8.00 mm , tensile load 14000 kg, minimum and ring thickness 8 mm slot opening 0.75 mm open area 25% 25 mtr. x 1 No. = 25 mtrs.

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 respects to the entire satisfaction of the Engineer-in-charge of the work. 1 x 1 = 1 No.

Supplying and packing graded gravel of size as per ISI 4097/1988, as amended upto 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 on the bore and will be placed other 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. 28 Cum x 1 No. = 28 cum

Supplying and fixing well threaded M.S. cap for 219.10mm outer dia M.S. pipe as per ISI 226/1975 as amended upto date to the satisfaction of the Engineer-in-charge. 1 No.

Supplying as per IS : 226/1975 as amended upto date deodar wooden box made of 20mm thick wood size 60cm x 30cm x 75cm with lid and locking arrangement etc. for preserving the strate samples received from the bore as and when desired by the Engineer-in-Charge. 1 No

Supplying and fixing 219.10 mm M.S. clamp as per IS : 226/1975 as amended upto date for supporting the housing pipe supported on two girders not less than 100mm x 150mm weight not less than 17.00 kg/m. cross section area not less than 21.67 sq. cm flange thickness 7.00 mm web thickness 5.40 mm, 2.00m long (each), embedded in suitable foundation as approved by the Engineer-in-Charge. 1 No.

Development of T/well according to clause 9.3 of IS : 2800-1991 (Part-I) as amended upto 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 of this work. When developed by compressor of the 450/600 CFM, 250 PSI and suitable rating 10 hours x 1 No. = 10 hours

Charges for resistivity survey complete in all respect to the satisfaction of Engineer-in-Charge at the proposed site, giving results ascertaining quality of good water bearing strata and type and depth of geological strata complete in all respect 1 Job x 1

Provision for hiring of Generating set of suitable capacity for testing of bore including cost of fuel & transportation charges.

Supplying, erection testing and commissioning of submersible pumping sets as per BIS Specification No.8034-1989 (as amended upto date for pumps) and IS. 9283-1979 (as amended upto 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. Each pump motor set shall be supplied with joint free 50 M. double length PVC. Insulated and PVC. Sheathed flexible 3 core 4mm2 flat type submersible Cable of finolex make and junction box for jointing of submersible Cable and Submersible pumping set. (i) 300LPM/ 80 M.Head -For T/wells= 1 No

Supplying erection, testing of electric control panel board for T/wells in pump chamber consisting of MS sheet of thickness 14 gauge duly painted box type floor mounted made of Angle frame containing 1 Nos. fully automatic air brake Starter suitable for 10.00 HP Motor, Main switch of suitable range with HRC fuse, 1 No. Volt meter ( 0 to 500 Volts), 1 No. Amp. Meter of 0 to 30 Amp. , 3 sets of indicating lamp, Capacitor of suitable capacity & 1 No. single phase preventors with the timer switch including wiring in panel board and suitable Electric energy meter wiring from to Electric control panel board complete in all respect as per Specification given in Schedule No.II.

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 upto 1.5 meter outside the outer wall of pump chamber as per plan shown as per specification given in Schedule NoII. A) Detail of pipe and specials a) CI D/F bends, reducers, tapers, tees, tail piece, blank flange etc. upto 500 mm i/d

Bidder Name

Amount

M/s B.K. Builders

Dinesh Kumar Conteractor

Pankaj Mangla Contractor

Subhash Chand Contractor

R.K. ARORA AND ASSOCIATES

Dinesh Kumar Conteractor

Pankaj Mangla Contractor

M/s B.K. Builders

R.K. ARORA AND ASSOCIATES

Pankaj Mangla Contractor

Dinesh Kumar Conteractor

M/s B.K. Builders

R.K. ARORA AND ASSOCIATES