GE/SMB/T-23/2023-24 REPAIR IMPROVEMENT TO SUBMERSIBLE PUMP CENTRIFUGAL PUMP MONOBLOCK PUMP AND CONNECTED ALLIED WORKS AT WATER SUPPLY INSTALLATIONS IN ZONE I II AND III UNDER AOR OF GE SAMBA

Amount

Dismantling or taking up defective submersible pump sets and lowering pipe, flange type of any size of any depth with pump set of any capacities after disconnecting the electric supply by manual or mechanical means and transport to workshop for repair and workshop to sites after repairing, placing, installation, lowering commissioning back to tube well and testing on full load, complete all as specified and directed

Disassembled submersible pumps of capacities suitable for 7.5 HP to 22.5 HP motor for repair and re-assembling the same after necessary repair/ replacement of old defective/ damaged spare parts, complete all as specified and directed. Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

2(a)Gun Metal impeller

2(b)Stainless steel distance sleeve

2(c)Guide bush steel

2(d)Cast iron bowl assembly

2(e)Neck ring brass

2(f)Pump and motor steel coupling with key

2(g)Repair to pump shaft to its original shape by remetaling ,turning, cutting and grinding.

2(h)Diffuser

2(j)Repair to pump bowl to its original shape by seat cutting & grinding

Disassembled submersible motor, three phase, 2900 RPM, 415 Volts, 50 Hz, capacities 10 HP to 22.50 HP for repair and re-assembling the same after necessary repair/ replacement of old defective/ damaged spare parts, complete all as specified and directed Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items.

3(a)Rotor shaft bush sleeve brass

3(b)Cable seal

3(c)Thrust plate bearing set

3(d)Repair to motor shaft to its original shape by remetaling, cutting and grinding.

3(e) Rewinding of burnt/ damaged submersible motor with PVC insulated water proof, super enamelled, copper wire of 99.99 % purity, best quality, of existing size, including varnishing, baking & replacement of insulating material ISI marked or as per IE specifications, complete all as specified and directed. NOTE: If winding of motor burnts within 01 Year of rewinding date .No payment shall be made to contractor for respective motor rewinding ,lowering & lifting work.

Disassembled and removal from foundation the defective centrifugal pumps including gland assembly/ housing, capacity 7.5 to 25 HP transport to workshop for repair and re-assembling, installation, commissioning after necessary repair/ replacement of old defective/ damaged spare parts and greasing to different parts and testing the same pump on full load including one coat of spray painting matching to existing colour complete all as specified and directed. Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

4(a)Gun metal impeller

4(b)Gun metal bush

4(c)Neck ring gland plate

4(d)Coupling set with plate , bush, nuts, bolt and washers.

4(e)Repair to pump shaft to its original shape by remetaling, cutting and grinding.

4(f)Repair to bearing housing to its original shape by remetaling, cutting and grinding.

4(g) Ball bearing no 6305 and 6306 with existing specification ,ISI marked .

Disassembled and removal from foundation the centrifugal pumps including gland assembly/ housing, capacity 40 HP transport to workshop for repair and re-assembling, installation, commissioning after necessary repair/ replacement of old defective/ damaged spare parts and greasing to different parts and testing the same pump on full load including one coat of spray painting matching to existing colour complete all as specified and directed Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

5(a)Gun metal impeller

5(b)Gun metal bush

5(c)Neck ring gland plate

5(d)Coupling set with plate, bush, nuts, bolt and washers.

5(e)Repair to pump shaft to its original shape by remetaling, cutting and grinding.

5(f)Repair to bearing housing to its original shape by remetaling, cutting and grinding.

5(g) Ball bearing no 6306 and 6307 with existing specificaion, ISI marked.

Disassembled and removal from foundation the centrifugal pumps including gland assembly/ housing, capacity 75 HP transport to workshop for repair and re-assembling, installation, commissioning after necessary repair/ replacement of old defective/ damaged spare parts and greasing to different parts and testing the same pump on full load including one coat of spray painting matching to existing colour complete all as specified and directed. Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

6(a) Gun metal impeller

6(b) Gun metal bush

6(c)Neck ring gland plate

6(d)Coupling set with plate , bush, nut, bolt and washers.

6(e)Repair to pump shaft to its original shape by remetaling, cutting and grinding.

6(f)Repair to bearing housing to its original shape by remetaling, cutting and grinding.

6(g) Ball bearing no 6405 and 6406 with existing specification ,ISI marked .

Disassembled and removal from foundation the centrifugal pumps including gland assembly/ housing, capacity 100 HP transport to workshop for repair and re-assembling, installation, commissioning after necessary repair/ replacement of old defective/ damaged spare parts and greasing to different parts and testing the same pump on full load including one coat of spray painting matching to existing colour complete all as specified and directed. Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

7(a) Gun metal impeller

7(b) Gun metal bush

7(c) Neck ring gland plate

7(d) Coupling set with plate , bush, nut, bolt and washers.

7(e) Repair to pump shaft to its original shape by remetaling, cutting and grinding.

7(f) Repair to bearing housing to its original shape by remetaling, cutting and grinding.

7(g) Ball bearing no 3309 and 3310 of existing specificaiton ,ISI marked .

Disassembled and removal from foundation the centrifugal pumps including gland assembly/ housing, capacity 125 HP,head 150 mtr,speed 1440 RPM ,Rate of flow 31.25 Cub meter/sec transport to workshop for repair and re-assembling, installation, commissioning after necessary replacement of old defective/ damaged spare parts and greasing to different parts and testing the same pump on full load including one coat of spray painting matching to existing colour, complete all as specified and directed . Model no of pump : RKB 125/27 6ST of Kirloskar. Note: New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items of BOQ.

8(a) Enclosed impeller

8(b) Impeller key

8(c) Diffuser

8(d) Guide vane for diffuser

8(e) Pump shaft

8(f) Shaft sleeve

8(g) Distance sleeve

8(h) Gland cup

8(i) Coupling set with plate , bush, nut, bolt and washers.

8(j) Bracket

8(k) Neck ring

8(l) Gland plate

8(m) Body bush

8(n) Chuck Nut

8(o) Ball bearing no 6410 and 6411 of existing specification ,ISI marked.

Disassembled and removal from foundation the burnt/ non-working induction motors of any make, capacities 10 HP to 125 HP, three phase, 415 Volts, 50Hz transport to workshop for repair and re-assembling, installation, commissioning and testing the same motor on full load after necessary repair/ replacement of old defective/ damaged spare parts, winding from the stator, cleaning the slots including one coat of spray painting matching to existing colour complete all as specified and directed. Note: (a) New spare parts and repair for old serviceable spare parts will be measured and paid separately under respective items. (b) If winding of motor burnts within 01 Year of rewinding date .No payment shall be made to contractor for respective motor rewinding ,lowering & lifting work.

Rewinding of burnt/ damaged 3 Phase induction motor 1450/2900 RPM, 50 Hz with super enamelled, copper wire of 99.99 % purity, best quality, of existing size, including varnishing, baking & replacement of insulating material ISI marked or as per IE specifications, complete all as specified and directed.

Supply only ball bearing no 6308 and 6309 with existing specification ,ISI marked for motor of capacity 15 HP complete all as specified .

Supply only ball bearing no 6309 and 6310 with existing specification ,ISI marked for motor of capacity 25 HP complete all as specified .

Supply only ball bearing no 6310 and 6311 with existing specification ,ISI marked for motor of capacity 40 HP complete all as specified .

Supply only ball bearing no 6312 and 6313 with existing specification ,ISI marked for motor of capacity 75 HP complete all as specified .

Supply only ball bearing no NU316 and 6314 with existing specification ,ISI marked for motor of capacity 125 HP complete all as specified .

Taking out the unserviceable /brunt / old damaged submersible cable with new submersible cable, flat, PVC insulated and PVC sheathed copper conductor, multi-stranded, 16 sqmm, 3-core, conforming to IS: 694/1990 including making connection to both ends i.e. motor side and starter side with jointing materials, complete all as specified and directed Note:Labour required for replacement of submersible cable shall be deemed included in quoted rates.

Taking out the unserviceable /brunt / old damaged submersible cable with new submersible cable, flat, PVC insulated and PVC sheathed copper conductor, multi-stranded, 10 sqmm, 3-core, conforming to IS: 694/1990 including making connection to both ends i.e. motor side and starter side with jointing materials, complete all as specified and directed Note:Labour required for replacement of submersible cable shall be deemed included in quoted rates.

Disassembled and removal from foundation to 125/100/75 HP centrifugal pump-motar set complete and removing nut bolts and iron angle complete and breaking of foundation by any type by hammer , machine and refixing the same after PCC and frame work complete . (PCC and PCC work shall be masured and paid for separately )

PCC in foundations, filling and mass concrete 1:2:4 Type-B 2 using 40 mm graded stone agregate, complete all as specified.

Rolled mild steel in: Fe-290(Gde E-165)Joist, channel, angle, or tee sections, fixed independently, without connecting plates, etc. (cut to ordinary lengths i.e. within 20mm of the length indicated) including nut bolt etc, complete all as specified and as directed.

Unsheated stranded copper conducter cable size 35 sqmm single core 1100 Volts as in connections to MCCB,staters,capicitor bank, change over switiche etc connection to be made with cable terminal lugs and GI screws ,complete all as specified and directed.

Unsheated stranded copper conducter cable size 70 sqmm single core 1100 Volts as in connections to MCCB,staters,capicitor bank, change over switiche etc connection to be made with cable terminal lugs and GI screws ,complete all as specified and directed.

Star delta starter with safety control i.e single phase prevenetor, thermal over load relay , low voltage coil,analylog meter having by pass capacity switch , star detla delay timer suitable of make : L&T, Model No. 75 HP MUG-75 FASD or technocommercially equivalent for centrifugal pump including taking down existing starter, complete all as specified and directed.

Star delta starter with safety control i.e single phase prevenetor, thermal over load relay , low voltage coil,analylog meter having by pass switch , star detla delay timer suitable for 10 to 15 HP submersible pump ,model MUG-30 FASD including taking down existing starter ,complete all as specified and directed.

Star delta starter with safety control i.e single phase prevenetor, thermal over load relay , low voltage coil,analylog meter having by pass switch , star detla delay timer suitable for 20 to 25 HP submersible pump ,model MUG-50 FASD including taking down existing starter ,complete all as specified and directed.

MS column flanged pipe 80 mm dia in standard length of 3 meter , heavy duty threaded at ends with provision of MS flange duly drilled and welded, supported with 4 nos welded MS flat strips at each flange of cross section 40x5 mm thick including lowering if required and replacement, complete all as specified and directed.

MS column flanged pipe 100 mm dia in standard length of 3 meter , heavy duty threaded at ends with provision of MS flange duly drilled and welded, supported with 4 nos welded MS flat strips at each flange of cross section 40x5 mm thick including lowering if required and replacement, complete all as specified and directed.

Cast iron sluice valve 100 mm bore with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site including dismantling and taking out existing unserviceable sluice valves, complete all as specified and directed.

Cast iron sluice valve 125 mm bore with both end flanged with iron wheel handle for clockwise closing brass spindle heavy duty PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site including dismantling and taking out existing unserviceable sluice valves, complete all as specified and directed.

Pressure gague stainless steel body glycerine filled of 16 Kgs/cm, complete all as specified and directed.

Pressure gague stainless steel body glycerine filled of 25 Kgs/cm complete all as specified and directed.

Foot valve 80 mm dia as complete all as specifies and directed.

Foot valve 100 mm dia as complete all as specifies and directed.

Packing glands of size 6-10mm complete all as specified and directed

Packing glands of size 11-25mm complete all as specified and directed.

Supply only new rubber gasket required as per existing dia complete all as specified and directed.

Supply only nut and bolt and washer required as per existing dia and length, complete all as specified and directed.

Fittings for flanged pipes bends,tapers,tee pieces (single & double branch) any type and angle/radius and straight connecting pieces but all ends flanged upto 150 mm bore, fixed in trepair, complete all as specified and directed.

Cast iron Non Return sluice valve 100 mm bore with both end flanged PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site including dismantling and taking out existing unserviceable NRV valves, complete all as specified and directed.

Cast iron Non Return sluice valve 150 mm bore with both end flanged PN-1.6 class conforming to IS-14846/2000 including gaskit joint nuts, bolts & washers all as requirement of site including dismantling and taking out existing unserviceable NRV valves, complete all as specified and directed.

Pouring of sodium Meta Hexa Phosphate in the well, all as directed.

Lifting out submersible pumps set from bore well complete with column pipe steel rope, submersible cable including commissioning testing the same after devoloping the bore well, complete all as specified and directed.

Transportation charges for Air compressor / pump sets including all connected tools and materials To & from as per site position and as per requirment, complete all as directed.

Development of bore well by Air compressor capable to work at pressure rage approx 300 to 500 PSI and capacity approx 1000 cfm continously for 48 hours to clean the slots of the pipe and to explore the possibility of recouping of well with natural water table, complete all as directed.

Development of bore well by over poumping for 48 hours to clean the slots of the pipe and to explore the possibility of recouping of well with natural water table, complete all as directed.

Development of bore well by over poumping for 24 hours to clean the slots of the pipe and to explore the possibility of recouping of well with natural water table, complete all as directed.

Testing of Yield of well by means of 'V' notch, necessary T&P and equipment included the quoted rate, complete all as directed.

Running of developed bore for 16 Hrs continous to check the potability of water after and including lowering the pump set of desired capacity , complete specified and directed.

Testing of drinking water as per BIS & WHO guidline from state authority / IIT after lifting the sample from pump house as per testing guidline enumerated in IS or directed by Engr-in-charge. Notes : If contractor do not submit the testing report within one week after testing is completed as per norms a penality of Rs 1000/- per day for delay for submission of report will be levid on the contrator (sample testing in every three month)

Note:- The contract sum arrived after deduction of amount of Sch of credit as listed in tender Documents.

M/S GUPTA TRADING CO

M/s Sahib and Company