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.

Amount

1. Erection /replacement of M.S. Pipe lines 1.01 M.S.Pipe line of 12.5x25, 32, 40mm

1.02 M.S. Pipe line of 50,60,80mm

1.03 M.S.Pipe line of 100,125,150mm

1.04 M.S.Pipe line of 175,200, 250, 300mm

2. Leakage attending:- 2.01 Pipe size 50,75,100mm

2.02 Pipe size 125, 150,200mm

3. Fabrication and fitting of cut bends. 3.01 Pipe size dia 50,60,80mm

3.02 Pipe size dia 100,125,150,200mm

4. Fabrication and fitting of flanges by welding. 4.01 size 100,125,150mm dia

4.02 size 175,200mm dia

4.03 size 250,300mm dia

5. Attending leakages through lead filling 5.01 To attend leakages from 100/150mm dia CI Underground line.

6. Floor Cleaning and up keeping of Intake Pump House, ABC Pump House and C.T. Pump House in general shift.

7. Complete cleaning of Basin of ABC, cooling tower

8. Complete cleaning of Pit of Sump Pump at ABC Pump House

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.

10. Shifting of unworkable pump and placing new repaired pumps 10.01 Sump pumps (vertical)

10.02 Trolley pump

10.03 Auxiliary Bearing cooling pumps

10.05 Service/ Sealing pumps

10.05 Condensate transfer pump

10.06 Make-up pump

11.0 Overhauling of defective pumps at site 11.01 Sump pumps (vertical)

11.02 Trolley pump

11.03 Auxiliary Bearing cooling pumps

11.04 Service /Sealing pumps

11.05 Make-up pump

11.06 Condensate transfer pumps

12.0 Decoupling alignment and coupling of pumps with motor 12.01 Sump pumps(vertical/ Horizontal)

12.01ABC Pumps

12.03 service/Sealing pumps

12.04 Make up pumps

12.05Condensate transfer pump

13.00 Replacement/Inspection of bearing & sleeve (both) 13.01 Auxiliary Bearing cooling pumps

13.02 Condensate transfer pumps

14.00Replacement/repairing of Gear box fan of ABC/CW cooling tower 14.01Replacement & alignment of fan blades

14.02 Replacement of Gear box

14.03 Repairing/overhauling of Gear box

15. Replacement of tube-well complete

16.00 Replacement of components of auxiliaries/ equipment’s: 16.01 Expansion joints

16.02 Butterfly valves

16.03 Gate valves/NRVs of 25mm, 40mm, 50mm size

16.04 Gate valves/NRVs of 65mm, 75mm 100mm ,125mm , 150mm

16.05 Gate valves/NRVs of 175mm 200mm, 250mm, 300mm

16.06 Valve of size 450mm

17.00 Servicing of Water valves of size 17.01 Gate valve/NRV of 25mm, 40mm, 50mm

17.02 Gate valve/NRV of 65mm, 75mm, 100mm

17.03 Gate valve/NRV of 125mm, 150mm

17.04 Gate valve/NRV of 175mm, 200mm

17.05 Gate valves/NRV of 250mm, 300mm, 450mm

17.06 Butterfly valves of 900mm

17.07 Gear box of butterfly valve

18. Inspection of Butterfly valve/sheet size 900mm

19 Inspection/Bearing replacement of Butterfly valve Gear box

Repairing of Component High Head Pump 1 Head Shaft

2 Transmission Shaft

3. Impeller Shaft

4. Upper Bowl

5. Lower Bowl

6. Spider

7. Bearing Insert Bush

8. S.S. Impeller

(B )Fabrication and fitting of Sleeve 1. Fabrication of Gland Sleeve and fitted on Head Shaft with circlip.

2. Fabrication of Hot Sleeve and fitted on Transmission Shaft with circlip.

3. Fabrication of Sleeve for Impeller Shaft. (I ) Sleeve under lower bowl (material Bronze)

(II) Sleeve under upper bowl (material Bronze)

(III) Cast Iron distance sleeve of size:- a) L-340mm, OD-130mm, ID-120 mm,

b) L-200mm, OD-130mm, ID-120 mm

c) L-185mm, OD-130mm, ID-120

d) L-25mm, OD-150mm, ID-120

4. Fabrication of Collar (material CI)

5. Fabrication of Shell of rubber Bearing

6. Fabrication of Impeller Nut(Bronze)

7. Fabrication of Lock Nut & Lift Nut(S.S.)

8. Fabrication of Key

9. Fabrication of S.S. Studs with double nuts

(C) Rerubberisation of Shell of high head pump 1. Spider Shell(OD162,ID 130,280L)

2. Insert Bush Shell(OD147,ID 130,240L)

(D) Rebabbiting old bearing of high head 1. Rebabbiting of Thrust bearing housing

(E) Dismantling and Commissioning of Pump at Site

(F) Make up water pump (No of Installed Qty-3) 1. Dismantling of pump for internal inspection of parts at site.

2.0 Complete repairing of the following components 2.1 Stage Body

2.2 Impeller

2.3 Dynamic Balancing of rotating components within accuracy (Rotor, Impeller)

3.0 Repairing of shaft by metalizing and machining to get original profile and removal of shaft run out within 0.02mm. 3.1 Head shaft

Impeller shaft

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

4.2 Threaded barrel coupling (SS Material)

4.3 Distance sleeve (SS Material)

4.4 Gland Sleeve(SS Material)

4.5 Lifting Nut(SS Material)

4.6 Lock Nut(SS Material)

4.7 Thrust Bearing housing (C.I.)

4.8.0 S.S. Fastners 4.8.1Re-rubberization brass bearing

4.8.2 Length 85 MM,OD 12 MM

4.9 Neck ring/wear ring for Bell mouth

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.

4.11 Erection & commissioning of the pump at site.

(G) Auxiliary Bearing Cooling Pump (No of Installed Qty-5) 1. Dismantling of pump for internal inspection of parts at site.

2.0 Fabrication and replacement of undernoted parts from the own material of the contractor 2.1 Shaft of EN-8 steel

2.2 Gland sleeve (S.S.)

2.3 Sleeve Nut / Lock Nut (S.S.)(2 DE&2NDE)

2.4 Packing gland Assembly / gland stocker(C.I.)

2.5 Wearing Ring for casing (C.I.)

2.6 Lock Nut for Bearings with Lock washer (S.S)

3. Repairing of pump casing at bearing portion by welding with CI electrodes and machining

4. Repairing of bearing housing

5. Repairing of impeller (gun metal)

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

7. Erection & commissioning of the pump at site.

(H) Sealing Pumps :- ( (No of Installed Qty-5) 1. Dismantling of pump for internal inspection of parts at site.

2.0 Fabrication and replacement of undernoted parts from the own material of the contractor 2.1 Shaft of EN-8 steel

2.2 Gland sleeve (SS)

2.3 Impeller Nut (S.S.)

2.4 Packing gland Assembly/Gland Stoker (C.I.)

2.5 Wearing Ring for casing (G.M.)

3 Repairing of impeller

4 Repairing of pump casing at bearing portion by welding With CI electrodes and machining

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

6. Erection & commissioning of the pump at site.

(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)

1.2 Shaft of EN-8 Steel for horizontal Sump pump

1.3 Shaft of EN-8 Steel- for vertical Sump pump

1.4 Impeller Nut(SS)

1.5 Packing gland Assembly Gland Stoker(C.S)

1.6 Wearing Ring for casing.

1.7 Impeller C.I.

1.8 Bush (Material GM)

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.

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)

1.2 Shaft of EN-8 Steel-

1.3 Impeller Nut(SS)

1.4 Packing gland Assembly Gland Stoker(C.S)

1.5 Wearing Ring for casing (Gun Metal)

1.6 Impeller C.I.

1.7 Bush (Material GM)

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

(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)

1.2 Shaft of EN-8 Steel-

1.3 Impeller Nut(SS)

1.4 Packing gland Assembly Gland Stoker(C.S)

1.5Wearing Ring for casing (Gun Metal)

1.6 Impeller C.I.

1.7 Bush (Material GM)

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.

(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

2.0 Fabrication and replacement of following spares from the own material of the contractor 2.1 Gland sleeves (Material Phosphorus Bronze)

2.2 Wearing rings (Material Gun Metal)

2.3 Distance bushes (Material Gun Metal)

2.4 Balancing disc (Material Gun Metal)

2.5 Fabrication & Fixing of Impellers (Mat. Phosphor Bronze)

3. Repairing of wearing disc.

4. Repairing of stage bodies and suction & discharge covers

5. Dynamic balancing of rotor with impeller assembly

6. Repairing of impeller (gun metal )

7. Repairing of bearing housing

8. Repairing of shaft

9. Repairing of diffuser

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

11. Erection & commissioning of the pump at site.

(M) Submersible pumps of tube-well (Qty. 03Job) 1. Complete repairing and fabrication of different parts of submersible pump for tube-well.

(N)Overhauling of motor (1000KW) of High head of CW Pump of Unit No. 7, (110 MW), HTPS Kasimpur, Aligarh

(O) Complete repairing of weda/mody submersible pump including Rewinding of motor & replacement of damaged parts.(capacity of 7.5 KW)

(P) Complete repairing of weda/mody pump including Rewinding of motor & replacement of damaged parts.(capacity of 3.7/3.8/5 KW)

(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.

M/S SCIENTECS PROCESS CONTROL (BID ID -4750083)