Tender For Maintenance Of Cw Pumps And Its Associated Duct. , Valves, Eot Etc. Except Tws Of Unit No 07 Ctps, Kasimpur, Aligarh For The Period Of Two Years., 1 1. Erection /replacement of M.S. Pipe lines 1.01 M.S.Pipe line of 12.5x25, 32, 40mm 2 1.02 M.S. Pipe line of 50,60,80mm 3 1.03 M.S.Pipe line of 100,125,150mm 4 1.04 M.S.Pipe line of 175,200, 250, 300mm 5 2. Leakage attending:- 2.01 Pipe size 50,75,100mm 6 2.02 Pipe size 125, 150,200mm 7 3. Fabrication and fitting of cut bends.3.01 Pipe size dia 50,60,80mm 8 3.02 Pipe size dia 100,125,150,200mm 9 4. Fabrication and fitting of flanges by welding.4.01 size 100,125,150mm dia 10 4.02 size 175,200mm dia 11 4.03 size 250,300mm dia 12 5. Attending leakages through lead filling 5.01 To attend leakages from 100/150mm dia CI Underground line. 13 6. Floor Cleaning and up keeping of Intake Pump House, ABC Pump House and C.T.Pump House in general shift. 14 7. Complete cleaning of Basin of ABC, cooling tower 15 8. Complete cleaning of Pit of Sump Pump at ABC Pump House 16 9. Round the Clock cleaning of wire mesh frame installed at inlet gate of CW Pump suction pit and preventive maintenance, up keeping, attending of breakdown minor fault only, and to meet out operational requirement of all ABC Pumps, ABC cooling tower, service/sealing pumps, CT Pumps, CW high head Pump, Makeup Pumps, Tube-wells, Sump Pumps and Trolley pumps etc. 17 10. Shifting of unworkable pump and placing new repaired pumps10.01 Sump pumps (vertical) 18 10.02 Trolley pump 19 10.03 Auxiliary Bearing cooling pumps 20 10.05 Service/ Sealing pumps 21 10.05 Condensate transfer pump 22 10.06 Make-up pump 23 11.0 Overhauling of defective pumps at site 11.01 Sump pumps (vertical) 24 11.02 Trolley pump 25 11.03 Auxiliary Bearing cooling pumps 26 11.04 Service /Sealing pumps 27 11.05 Make-up pump 28 11.06 Condensate transfer pumps 29 12.0 Decoupling alignment and coupling of pumps with motor 12.01 Sump pumps(vertical/ Horizontal) 30 12.01ABC Pumps 31 12.03 service/Sealing pumps 32 12.04 Make up pumps 33 12.05Condensate transfer pump 34 13.00 Replacement/Inspection of bearing & sleeve (both) 13.01 Auxiliary Bearing cooling pumps 35 13.02 Condensate transfer pumps 36 14.00Replacement/repairing of Gear boxfan of ABC/CW cooling tower 14.01Replacement & alignment of fan blades 37 14.02 Replacement of Gear box 38 14.03 Repairing/overhauling of Gear box 39 15. Replacement of tube-well complete 40 16.00 Replacement of components of auxiliaries/ equipment’s: 16.01 Expansion joints 41 16.02 Butterfly valves 42 16.03 Gate valves/NRVs of 25mm, 40mm,50mm size 43 16.04 Gate valves/NRVs of 65mm,75mm 100mm ,125mm ,150mm 44 16.05 Gate valves/NRVs of 175mm 200mm, 250mm,300mm 45 16.06 Valve of size 450mm 46 17.00 Servicing of Water valves of size 17.01 Gate valve/NRV of 25mm,40mm, 50mm 47 17.02 Gate valve/NRV of 65mm, 75mm, 100mm 48 17.03 Gate valve/NRV of 125mm, 150mm 49 17.04 Gate valve/NRV of 175mm,200mm 50 17.05 Gate valves/NRV of 250mm, 300mm, 450mm 51 17.06 Butterfly valves of 900mm 52 17.07 Gear box of butterfly valve 53 18. Inspection of Butterfly valve/sheet size 900mm 54 19 Inspection/Bearing replacement of Butterfly valve Gear box 55 Repairing ofComponent High Head Pump1 Head Shaft 56 2 Transmission Shaft 57 3. Impeller Shaft 58 4. Upper Bowl 59 5. Lower Bowl 60 6. Spider 61 7. Bearing Insert Bush 62 8. S.S. Impeller 63 (B )Fabrication and fitting of Sleeve 1. Fabrication of Gland Sleeve and fitted on Head Shaft with circlip. 64 2. Fabrication of Hot Sleeve and fitted on Transmission Shaft with circlip. 65 3. Fabrication of Sleeve for Impeller Shaft. (I ) Sleeve under lower bowl (material Bronze) 66 (II) Sleeve under upper bowl (material Bronze) 67 (III) Cast Iron distance sleeve of size:-a) L-340mm, OD-130mm, ID-120 mm, 68 b) L-200mm, OD-130mm, ID-120 mm 69 c) L-185mm, OD-130mm, ID-120 70 d) L-25mm, OD-150mm, ID-120 71 4. Fabrication of Collar (material CI) 72 5. Fabrication of Shell of rubber Bearing 73 6. Fabrication of Impeller Nut(Bronze) 74 7. Fabrication of Lock Nut & Lift Nut(S.S.) 75 8. Fabrication of Key 76 9. Fabrication of S.S. Studs with doublenuts 77 (C) Rerubberisation of Shell of high head pump1. Spider Shell(OD162,ID 130,280L) 78 2. Insert Bush Shell(OD147,ID 130,240L) 79 (D) Rebabbitingold bearing of high head 1. RebabbitingofThrust bearing housing 80 (E) Dismantling and Commissioning of Pump atSite 81 (F) Make up water pump (No of Installed Qty-3)1. Dismantling of pump for internal inspection of parts at site. 82 2.0 Complete repairing of the followingcomponents2.1 Stage Body 83 2.2 Impeller 84 2.3 Dynamic Balancing of rotating components within accuracy (Rotor, Impeller) 85 3.0 Repairing of shaft by metalizing and machining to get original profile and removal of shaft run out within 0.02mm.3.1 Headshaft 86 Impellershaft 87 4.0 Fabrication of following components as per actual/sample and fitting in pump from own material of the contractor 4.1 Re-rubberization brass bearing 88 4.2 Threaded barrel coupling (SS Material) 89 4.3 Distance sleeve (SS Material) 90 4.4 Gland Sleeve(SS Material) 91 4.5 Lifting Nut(SS Material) 92 4.6 Lock Nut(SS Material) 93 4.7 Thrust Bearing housing (C.I.) 94 4.8.0 S.S. Fastners4.8.1Re-rubberization brass bearing 95 4.8.2 Length85 MM,OD 12 MM 96 4.9 Neck ring/wear ringfor Bell mouth 97 4.10Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts nipples/packing’s etc. to be arranged by firm at their own cost. 98 4.11 Erection & commissioning of the pump at site. 99 (G) Auxiliary Bearing Cooling Pump (No of Installed Qty-5) 1. Dismantling of pump for internal inspection of parts at site. 100 2.0 Fabrication and replacement of undernoted parts from the own material of the contractor 2.1 Shaft of EN-8 steel 101 2.2 Gland sleeve (S.S.) 102 2.3 Sleeve Nut / Lock Nut (S.S.)(2 DE&2NDE) 103 2.4 Packing gland Assembly / gland stocker(C.I.) 104 2.5 Wearing Ring for casing (C.I.) 105 2.6 Lock Nut for Bearings with Lock washer (S.S) 106 3. Repairing of pump casing at bearing portion by welding with CI electrodes and machining 107 4. Repairing of bearing housing 108 5. Repairing of impeller (gun metal) 109 6. Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost 110 7. Erection & commissioning of the pump at site. 111 (H) Sealing Pumps :- ( (No of Installed Qty-5) 1. Dismantling of pump for internal inspection of parts at site. 112 2.0 Fabrication and replacement of undernoted parts from the own material of the contractor 2.1 Shaft of EN-8 steel 113 2.2 Gland sleeve (SS) 114 2.3 Impeller Nut (S.S.) 115 2.4 Packing gland Assembly/Gland Stoker (C.I.) 116 2.5 Wearing Ring for casing (G.M.) 117 3 Repairing of impeller 118 4 Repairing of pump casing at bearing portion by welding With CI electrodes and machining 119 5 Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost 120 6. Erection & commissioning of the pump at site. 121 (I)Sump Pump(vertical / horizontal) (installed Qty. 6 Pumps) 1.0 Fabrication and replacement of undernoted parts from the own material of the Contractor. 1.1 Gland Sleeves (S.S) 122 1.2 Shaft of EN-8 Steel for horizontal Sump pump 123 1.3 Shaft of EN-8 Steel- for vertical Sump pump 124 1.4 Impeller Nut(SS) 125 1.5 Packing gland Assembly Gland Stoker(C.S) 126 1.6 Wearing Ring for casing. 127 1.7 Impeller C.I. 128 1.8 Bush (Material GM) 129 2. Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost. 130 Diesel trolley pump (No of Installed Qty-1)1.0 Fabrication and replacement of undernoted parts from the own material of the Contractor.1.1 Gland Sleeves (S.S) 131 1.2 Shaft of EN-8 Steel- 132 1.3 Impeller Nut(SS) 133 1.4 Packing gland Assembly Gland Stoker(C.S) 134 1.5 Wearing Ring for casing (Gun Metal) 135 1.6 Impeller C.I. 136 1.7 Bush (Material GM) 137 2. Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost 138 (K)Dewatering Trolley Pump (No of Installed Qty-4) 1.0 Fabrication and replacement of undernoted parts from the own material of the Contractor.1.1 Gland Sleeves (S.S) 139 1.2 Shaft of EN-8 Steel- 140 1.3 Impeller Nut(SS) 141 1.4 Packing gland Assembly Gland Stoker(C.S) 142 1.5Wearing Ring for casing (Gun Metal) 143 1.6 Impeller C.I. 144 1.7 Bush (Material GM) 145 2. Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost. 146 (L) Condensate Transfer pumps :- (No of Installed Qty-3)1. Complete dismantling of the pump at site and checking of its all internals for measuring the run outs, status of wear out etc 147 2.0 Fabrication and replacement of following spares from the own material of the contractor 2.1 Gland sleeves (Material Phosphorus Bronze) 148 2.2 Wearing rings (Material Gun Metal) 149 2.3 Distance bushes (Material Gun Metal) 150 2.4 Balancing disc (Material Gun Metal) 151 2.5 Fabrication & Fixing of Impellers (Mat. Phosphor Bronze) 152 3. Repairing of wearing disc. 153 4. Repairing of stage bodies and suction &discharge covers 154 5. Dynamic balancing of rotor with impeller assembly 155 6. Repairing ofimpeller (gun metal) 156 7. Repairing of bearing housing 157 8. Repairing of shaft 158 9. Repairing of diffuser 159 10. Assembly of the pump by maintaining clearances as per manufacturer’s norms and by replacing any other small components such as keys/pins/screws/ bolts/nuts /nipples/packing’s etc. to be arranged by firm at their own cost 160 11. Erection & commissioning of the pump at site. 161 (M) Submersible pumps of tube-well (Qty. 03Job) 1. Complete repairing and fabrication of different parts of submersible pump for tube-well. 162 (N)Overhauling of motor (1000KW) of High head of CW Pump of Unit No. 7, (110 MW), HTPS Kasimpur, Aligarh 163 (O) Complete repairing of weda/mody submersible pumpincluding Rewinding of motor & replacement of damaged parts.(capacity of 7.5 KW) 164 (P) Complete repairing of weda/mody pump including Rewinding of motor & replacement of damaged parts.(capacity of 3.7/3.8/5 KW) 165 (Q) Operation and Up keeping works of EOT Crane having capacity 15MT installed at intake pump house of unit no. #7 (110 MW) HTPS, Kasimpur, Aligarh.
