Tender For Repair And Maintenance Of Certain Vt / Centrifugal Pumping Sets With Allied Misc Works Under Ge (South) Mamun
Tender Overview
Project Description
Tender for Repair And Maintenance Of Certain Vt / Centrifugal Pumping Sets With Allied Misc Works Under Ge (South) Mamun
Corrigendum
| Sr No | Corrigendum Date | Corrigendum | Type | New Submission Date |
|---|---|---|---|---|
| 1 | 17-Sep-2026 | Corrigendum No. 1 | BOQ | 05-Oct-2026 |
BOQ
| Sl. No. | Item Description |
| 1 | M&L for disconnecting electrical/ mechanical connection and taking out VT pump from existing bore well approx depth varying from 30m to 90m with all accessories such as column pipe, top/line shaft, bushes, spiders and bowl assembly etc. transporting to authorized workshop and after repairing, re-lowering in same bore well with all accessories, including re-commissioning and testing to ensure efficient and smooth functioning to obtain required discharge, etc complete all as specified and directed. Note:- Defective major components/parts, if replaced, shall be measured as supply only under respective item 2 to 16 here-in-after and labour element included in this item. |
| 2 | Supply only stainless steel top shaft 25 mm dia each length not exceeding 3m. |
| 3 | Supply only stainless steel top shaft 30mm dia each length not exceeding 3m. |
| 4 | Supply only 25 mm dia bright steel line shaft threaded on both ends in multiple length each not exceeding 3m. |
| 5 | Supply only 30mm dia bright steel line shaft threaded on both ends in multiple length each not exceeding 3m. |
| 6 | Supply only 25 mm dia stainless steel line shaft coupling . |
| 7 | Supply only 30 mm dia stainless steel line shaft coupling. |
| 8 | Supply only 25 mm dia stainless steel line shaft sleeve. |
| 9 | Supply only 30mm dia stainless steel line shaft sleeve. |
| 10 | Supply only 150mm bore, 150mm long heavy duty MS socket fully threaded. |
| 11 | Supply only gun metal bearing retainer of existing size. |
| 12 | Supply only 25/30mm dia bearing retainer rubber bush for size 150mm dia pipe. |
| 13 | Supply only gun metal split type gland including 02 Nos studs suitable for 25 to 30mm dia shafts including provision of gland packing. |
| 14 | Supply only gun metal stuffing box bush suitable for 25 to 30mm dia shafts. |
| 15 | Supply only Spyder Gunmetal complete with bush of size 25x150mm. |
| 16 | Supply only Spyder Gunmetal complete with bush of size 30x150mm. |
| 17 | Cutting worn out portion of stainless steel top/line shaft of 25 to 38mm dia including threading on plain surface to match with existing threading of coupling etc complete all as specified and directed. |
| 18 | Cutting and removing worn out threaded portion of 100/150mm bore MS column pipe, threaded the cut end to required length to match with existing connecting system etc complete all as specified and directed. |
| 19 | S&F in repairs,150mm bore 7mm thick MS column pipe each of 3.00m length threaded both ends, with one full threaded MS socket complete all as specified and directed. |
| 20 | S&F in repairs, Bolt/stud and Nut as per existing sample for column pipe of VT/Submersible pump complete all as specified and directed. |
| 21 | M & L for overhauling and repair of multistage VT pump assembly of any stage and discharge capacity and replacement of defective parts such as gun metal bush, rubber bush, CI neck ring, pump shaft, bowl case & impeller etc including necessary lathe work, metaling, turning, poloshing, and reassembling all the parts and refix at same position complete all as directed.Note:- Defective major components/parts, if replaced, shall be measured as supply onlyunder respective item 22 to 29 here-in-after and labour element included in this item. |
| 22 | Supply only gun metal impeller with lock suitable for 150mm dia bowl assembly. |
| 23 | Supply only intermediate bowl case gun metal/bronze bush bearing as per existing sample |
| 24 | Supply only CI neck ring as per existing sample of suction, discharge and intermediate bowl assembly. |
| 25 | Supply only gun metal/bronze suction and discharge bowl case bush as per existing sample |
| 26 | Supply only intermediate bowl case bush bearing rubber as per existing sample |
| 27 | Supply only bolt/stud as per existing sample for bowl assembly. |
| 28 | Supply only stainless steel pump shaft as per existing sample suitable for bowl assembly 9 to 18 stages in multiple length each not exceeding 3m |
| 29 | Supply only intermediate/suction/discharge bowl case assembly as per existing size |
| 30 | M & L for disconnecting electrical/mechanical connection and taking up or down unserviceable VT /Centrifugal motor of any type, make and capacity from foundation and transporting to authorized workshop to carry out works such as replacement of motor bearing, cutting & removing existing burnt/short circuited winding wire complete, cleaning of core grooves and surfaces, if required reassembling, refixing and testing the motor at site on full load complete all as specified and directed.Note:- Defective major components/parts, if replaced, shall be measured as supply onlyunder respective item 31 to 40 here-in-after and labour element included in this item. |
| 31 | M&L for rewinding of 3 phase electric motor of 25/30 HP with super enameled copper winding wire of same gauge including impregnated paper, sleevs, lathorised fibre glass, varnish and tape, etc complete all as specified and directed. |
| 32 | All as per description of serial item No. 31 here in before but electric motor of 40 HP. |
| 33 | All as per description of serial item No. 31 here in before but electric motor of 50/60 HP. |
| 34 | All as perdescription of serial item No. 31 here in before but electric motor of 75/100 HP VT motor. |
| 35 | Supply only bearing plate DE/NDE side as per existing size for VT / centrifugal motor |
| 36 | Supply only terminal plate as per existing size for VT / centrifugal motor. |
| 37 | Supply only ratchet plate for VT motor as per existing size for VT / centrifugal motor. |
| 38 | Supply only ratchet pulley for 3 phase VT motor as per existingsize for VT / centrifugal motor . |
| 39 | Supply only stainless steel bearing No 7316/ 7220 or as per existing size for VT / centrifugal motor . |
| 40 | Supply only stainless steel ball bearing No 6311/6312/6211 or as per existing sample for VT & centrifugal motor. |
| 41 | Supply only water pressure gauge 0-200 PSI x 4\\" liquid filled with valve & connected pipe etc including taking down old one complete. |
| 42 | M & L for disconnecting and taking up/down 15000/20000 GHP capacity centrifugal /mono-block pump set of any type from foundation and transporting to authorized workshop carry out repairs such as replacement of pump bearing and overhauling including replacement of minor unserviceable components/spares like 'O' rings, Oil seal, Mechanical seal, pump gland, casing ring, gasket packing and greasing, welding, metaling, turning, polishing, Lathe work etc. along with replacement of major components/spares as per manufactures instruction and testing after repairing and reconnecting at site including re-commissioning and testing to ensure efficient and smooth functioning to achieve desired discharge of pump set etc complete all as specified and directed.Note:- Defective major components/parts, if replaced, shall be measured as supply only under respective item 43 to 56 here-in-after and labour element included in this item for replacement of components/parts . |
| 43 | Supply only high carbon steel pump shaft as per existing shaft size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 44 | Supply only heavy duty shaft sleeve with bush as per existing size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 45 | Supply only stainless steel ball bearing No 6306/ 6307 or as per existing size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 46 | Supply only stainless steel ball bearing No 3307/ 7311 or as per existing size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 47 | Supply only bearing housing DE/NDE as per existing size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 48 | Supply only shaft end bushes as per size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 49 | Supply only bearing housing sleeves as per existing size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 50 | Supply only GM air release key as per size for 15000 / 20000 GPH capacity centrifugal monoblock pumpset. |
| 51 | Supply only gland packing for centrifugal pump set and VT Motor of any capacity, |
| 52 | Supply only pump shaft gland packing bush for centrifugal pump |
| 53 | Supply only tyre/star rubber coupling as per sample for centrifugal pump set. |
| 54 | Supply only oil seal as per sample for centrifugal pump. |
| 55 | Supply only impeller with impeller key as per existing sample for centrifugal pump of capacity upto 20000GPH. |
| 56 | Supply only Pump housing nut, bolt and washer as per sample for centrifugal pump set |
| 57 | M&L for disconnecting electrical/ mechanical connection and taking out submersible pump set from existing bore well approx depth varying from 45 m to 85 m with all accessories and transporting to authorized workshop for rewinding and overhauling of sumbermersible pump and after overhauling / rewinding, re-lowering the pump set in bore well with all accessories, including testing to ensure efficient and smooth functioning to obtain required discharge, etc complete all as specified and directed. |
| 58 | M & L for overhauling and repair of submersible pump assembly of any stage and discharge capacity with replacement of defective parts such as gun metal bush, rubber bush, CI neck ring, pump shaft, bowl case & impeller etc including necessary lathe work, metaling, turning, polishing, and reassemble all the parts and refix at same position complete all as directed.Note:- Defective major components/parts, if replaced, shall be measured as supply only under respective item 59 to 68 here-in-after and labour element included in this item for replacement of components/parts. |
| 59 | Supply only stainless steel shaft for submersible pump as per existing sample for submercible pump set. |
| 60 | Supply only gun metal impeller with key as per existing sample for submersible pump. |
| 61 | Supply only bush for motor shaft as per existing sample for submercible pump set. |
| 62 | Supply only gun metal bush for submersible pump as per existing sample for submercible pump set. |
| 63 | Supply only rubber bush as per existing sample for submersible pump. |
| 64 | Supply only CI intermediate /suction/discharge case as per existing sample for submersible pump. |
| 65 | Supply only CI neck ring as per existing sample for submersible pump. |
| 66 | Supply only pump motor coupling as per existing sample for submersible pump |
| 67 | Supply only thrust plate as per existing sample for submersible pump |
| 68 | Supply only flange pipe nut, bolt and washer as per existing sample for submercible pump set. |
| 69 | M&L for rewinding of 3 Phase, 17.5/20/25 HP submersible electric motor with PVC insulated copper winding wire of same gauge including impregnated paper, sleevs, lathorised fibre glass, and tape, etc complete all as specified and directed. |
| 70 | All as per description of serial item No. 69 here in before but 30/40 HP submersible electric motor. |
| 71 | All as per description of serial item No. 69 here in before but 45/ 50 HP submersible electric motor. |
| 72 | S&F in repairs 16 Sqmm, 3 core, 1100 Volts, copper conductor flat cable for submersible pump including connecting to motor complete all as specified and directed. |
| 73 | S&F in repairs10 Sqmm, 3 core, 1100 Volts, copper conductor flat cable for submersible pump including connecting to motor complete all as specified and directed. |
| 74 | S & F in repairs, 100/125mm bore 7mm thick Heavy class MS/ GI column pipe with both side flange ends, each of 3.00 m length. |
| 75 | Disconnecting existing over heated or burnt cable terminal at existing panel and cutting out over heated / burnt portion of cable, stretching / opening cable to suitable required length from available rings and reconnecting cable in position properly with providing new lugs, tapes etc for cable size upto 95 sqmm complete all as directed. |
| 76 | M & L for making serviceable old unservicable motor starter of any type, by carrying out repair and with replacement of defective parts such as power connector,contact block ammeter, volt meter, multifunctional meter,LT,CT timer connector single phase pervention, relay andincluding minor parts, burn contol copper cable, insulator ,Terminal Block, copper thimbles, etc or if any other required spare parts at site including testing to ensure efficient and smooth functioning of starter complete all as specified and directed.Note:- Defective major components/parts, if replaced, shall be measured as supply only under respective item 77 to 87 here-in-after and labour element included in this item for replacement of components/parts. |
| 77 | Supply only power contactor 3 pole 40/50 Amps with new one as per existing sample complete including connection & testing. |
| 78 | Supply only power contactor 3 pole 70/80 Amps with new one as per existing sample complete including connection & testing. |
| 79 | Supply only power contactor 3 pole 95/110 Amps with new one as per existing sample complete including connection & testing. |
| 80 | Supply only Add-on aux. contact Block suitable to existing contactor alongwith connecting and testing complete all as directed, as per existing sample. |
| 81 | Supply only Ammeter 3 phase with suitable rating to existing CT complete including connection & testing. |
| 82 | Supply only volt meter 3 phase suitable size to existing one complete including connection & testing. |
| 83 | Supply only Multifunction Meters 3 phase, 415 Volts, showing Amper, voltage, PF, HZ parameter with Accuracy Class 1.0, Flush mounting 96 x 96 mm inbuilt selector switch complete including connection & testing. |
| 84 | Supply only timer of any type as per existing sample suitable for fully automatic motor starter complete all as directed. |
| 85 | Supply only single phase preventer as per existing sample suitable for fully automatic motor starter complete all as directed. |
| 86 | Supply only over load relay of range 45 to 120 Amps or as per existing sample complete all as directed. |
| 87 | Supply only Voltage Monitoring Relay (Single Phasing Preventor + Selectable Under Voltage + Selectable Over Voltage) connecting and testing complete . |
| 88 | M & L in repairs for Start/ Stop push button suitable size, colour and rating to existing one complete including connection & testing complete all as directed. |
| 89 | M & L in repairs for indication lamps with LED type indication lamps with showing red, yellow and green colours suitable for 240 Volts AC supply as per existing size complete including connection & testing. |
| 90 | S & F in repairs 3 pole MCCB 63 to 100 Amp fixed type with breaking capacity- 16 KA complete all as specified and directed. |
| 91 | S & F in repairst 4 pole MCCB 125 to 160 Amp fixed type with breaking capacity- 25/36 KA complete all as specified and directed. |
| 92 | S & F in repairs 4 pole MCCB 200-250 Amp fixed type with breaking capacity- 36 KA complete all as specified and directed. |
| 93 | S & F in repairs 4 pole MCCB 315 to 400 Amp fixed type with breaking capacity- 36 KA complete all as specified and directed. |
| 94 | S & F in repairs for off load changeover switch 4 pole, 415 volts, 400 Amps with enclosures alongwith side handle in as per sample complete all as specified and directed. |
| 95 | S & F in repairs for off load changeover switch 4 pole, 415 volts, 160/200 Amps with enclosures alongwith side handle in as per sample complete all as specified and directed. |
| 96 | Supply , installation, and testing of Star delta motor startor fully autometic in sheet metal enclouser type AC-3 phase, 415 volt , 50HZ , having inbuilt protection and metering features, rellay MN-5 , white bank contractor MN-4W suitable for 45 HP electric motor, with relay range 30-75 Amp complete all as specified and directed. |
| 97 | All as per description of serial item No. 96 here in before but suitable for 60/75 HP electric motor with relay range 45-90Amp . Cat part No- CS91654LNKO, Model No MU-G 75S of L&T or equivalent of make specified in list of makes. |
| 98 | All as per description of serial item No. 96 here in before but suitable for 25/30/40 HP electric motor with relay range 30-60Amp . Cat part No- CS91652LNTO, Model No MU-G 30-40 S of L&T or equivalent of make specified in list of makes. |
| 99 | S&F in repairs multistage submersible pump of cap 25HPmotor for head @120mtr and discharge capacity 7700GPH complete all as specified and directed. |
| 100 | M & L for preparation of old painted steel surfaces of complete body of motor upto 75 HP capacity with superior quality super enameled paint, colour as per standard Engineering practice for centrifugal & VT motor with base frame etc by spraying and including writing SM No/MES No all as specified and directed. |
| 101 | M & L for preparation of old painted steel surfaces of feedar pillar box / panels / boards and painting complete body with superior quality super enameled paint, colour as per standard Engineering practice by spraying and including writing SM No/MES No all as specified and directed. |
| 102 | S & F in repairs multistage submersible motor of cap 25HP suitable for discharge capacity7700GPH @120mtr head complete all as specified and directed. |
| 103 | M & L for dismantling / taking out old unserviceable existing LT 1100 volts cable of any size from LT Panel /duct/ ground and Supplying, Laying & connecting cable 1.1 KV grade, of size 70 Sqmm 3.5 core aluminum conductor, screened, XLPE insulated, armored shielded and PVC sheathed. |
| 104 | M & L for earthing complete with Galvanized Steel earth plate electrode 60cm x 60cm x 6mm thick, buried directly in ground (earth pit not less than 2.25 M deep below ground level) with top edge of the plate not less than 1.5 M below normal ground level, connected to and including GI iron strip of size 32x6 mm flat by means of GI bolts, nuts, and washers, protected by 40mm bore GI light grade ISI marked pipe upto and including test points. Earthing plate shall be surrounded by alternate layers 15cm thick of charcoal or coke and common salt all around bottom and top, 20mm dia GI medium grade pipe for watering and including funnel, wire mesh, PCC chamber pit made with PCC (1:3:6) type C2 (using 20mm graded crushed store aggrgate) including necessary form work, excavation and earth work in any type of soil, returning filling in and disposal of surplus soil to a distance not exceed ing 50 M, pit cover 40 mm thick made with RCC (1:2:4) type B-1 (using 20mm graded crushed store aggrgate) including TMT reinforcement 80 mm dia @ 75 mm C/C both way, MS handle of 12 mm dia, cover rest on MS angle iron frame 40x40x6mm embeded in concrete duly painted with two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and as shown in electrical plate No-3 of SSR Part-I and all as directed. Note:- (i) PCC chamber shall be constructed at least 1.5 metre away from the earth electrode and pipe for watering shall be provided in slanting manner. (ii) Protection pipe and earthing strip upto 7.5 meter shall be including in the unit rate of this item. (iii) The earth testing arrangement should be done by the contractor as per direction of Engr-in-charge. No extra payment shall be made on this account. |
| 105 | Excavation in trenches in any type of soil n exc 1.5 mtr in width and n. exc 1.5 mtr in depth and getting out all as required for laying of cables,Foundation filling of poles or stays complete all as specified and directed. |
| 106 | Returning filling, in including spreading ,leveling, watering and well ramming in layers not exc 25 cm each all as required complete all as specified and directed. |
| 107 | Removing excavated materials n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point, complete all as specified and as directed. |
| 108 | Supply and laying in repair DWC (double wall corrugated) pipe 75mm bore dia, as per IS-16205, laid for protection of cable, in trenches, floors etc. complete all as specified and directed. Please Enable Macros to View BoQ information |
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