Drilling of tubewell complete in all respect

Amount

DRILLING OF TUBEWELL (NS ITEMS)

Drilling of 609.6mm dia bore upto 120 Mtr. by percussion cum Reverse Rotary drill 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 items of work in boulders and 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. 0 to 120 meters bore hole 120 Mtr.

Supplying and lowering 273.00mm outer dia ERW steel pipes as per IS 4270/1992 as amended upto 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. 30 Mtr.

Supplying and lowering 219.10mm outer dia ERW steel pipes as per IS 4270/1992 as amended upto 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 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. 1 x 77 Mtr. = 77 Mtr.

Supplying and lowering of 200mm i/d ISI Marked stainless Steel cage as amended up to date (Material to be supplied by the department). 1 x 13 = 26 meters

Supplying, fixing and lowering reducing socket as per IS:226/1975 as amended upto date 273.00mm outer dia, into 219.10mm outer dia with 8 threads per inch or 25.40mm, to be made out of M.S. plate with interior threads to be suitable for jointing 273.10mm outer dia pipe and 219.10mm outer dia ERW pipe as per item No. 2 and 3 above or by cement grouting. 1 x 1 = 1 No.

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 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. 1 x 27 = 27 cum

Supplying and fixing well threaded M.S. cap for 273.00mm outer dia M.S. pipe as per ISI 226/1975 as amended upto date to the satisfaction of the Engineer-in-charge. 1 x 1 = 1 No.

Supplying and fixing 273.10 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 and two meters long each embedded in suitable foundation as approved by the Engineer-in-Charge. 1 x 1 = 1 Nos

Development of tubewell 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 for this work. When developed by compressor of the 450/600 CFM, 250 PSI or of suitable rating . 1 No. x 20 Hours = 20 Hours

Providing clay seal of thickness 4.00 m or above, consisting of balls of local clay or nentonite mud, to be placed in the annular space around the assembly. The clay seal should be provided at a level of minimum 25.00 m above the top most screens, depending on the logging results. 1 x 1 = 1 Nos.

Providing and fixing centralizer guides (centralizer) fitted to the well assembly except the housing pipe at bottom and at a spacing of 12 m centre to centre, to keep the assembly in centre of the bore hole, as per approved design and specifications confirming to IS 226:1975 . 1 x 6 = 6 Nos.

Supply, 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 with V8 make. Each pump motor set shall be supplied with joint free 3 Mtr. double length PVC. Insulated and PVC. Sheathed flexible 3 core flat type submersible Cabel of finolex make of suitable size and junction box for jointing of submersible cable and submersible pumping set. Make Kirloskar/KSB/Groundfous. (i) 600 LPM/ 80 Mtr. Head (V-8)

Providing and fixing electric control panel board for upto 25 HP motor with 3 Nos. power contactor, 1 No. thermal overload relay, 1 No. Amp. Meter 0 - 100 Amp. With C.T. coil, 1 No. Volt meter 0-500 V, 1 No. Single Phase preventor, 1 No. Star Delta Timer & all other accessories fitted in M.S. Sheet box complete with wiring L & T make MUG-30 complete in all respect with 1 No. MCCB 100 Amp. L & T make, 3 Nos. Kit Kat 100 Amp. Havells make and 10 Mtr. PVC wire 7/16 and 1 No. Power capacitor of suitable range.

Description of Work / Item(s)

Amount

DRILLING OF TUBEWELL (NS ITEMS)

Providing and fixing of L.T./C.T. meter Prodigy make 3 phase approved by UHBVN with box complete in all respect.

Earthing with G.I. pipe 4.5 meter long 40mm dia with masonary enclosure & 4mm dia G.I. wire in 15mm dia G.I. pipe complete in all respect.

Supplying & erection of pressure gauge with siphone cock as per IS:3624, having dial gauge in delivery of 150mm dia complete in all respect.

Supply and fixing of C.I. D/F bend, reducers, taper, tees tail piece blank flange etc. upto 200 mm i/d

Supply and fixing C.I. D/F pipe 100 mm i/d

Bidder Name

Amount

Sunil Kumar

MAHINDER PAL

Sunil Kumar

MAHINDER PAL

Sunil Kumar

MAHINDER PAL

Bidder Name

ROHIT CHAUDHRI CONTRACTOR