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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹10.4 LAccepted-AOC | ₹10.4 L Quoted ₹11.3 L | L1 | Accepted-AOC Accepted |
| 2 | L2₹11.6 LRejected-AOC | ₹11.6 L | L2 | Rejected-AOC Rejected |
| Sl No | Description | Qty | Unit | KAARTHIKEYAN ENTERPRISES L1 | Renuga Enterprises L2 |
|---|---|---|---|---|---|
| 1.00 | PA fan DE bearing 23230-E1-XL-C3 (SKF/FAG / TIMKEN make bearings only to be supplied along with manufacturer certificate & guarantee certificate) (the bearings will be supplied by TNPGCL if available at stores during execution of works) | 2 | Nos | 53,500 ₹1.1 L | 54,000 ₹1.1 L |
| 2.00 | PA fan NDE bearing 22230-E1-XL-C3 (SKF/FAG / TIMKEN make bearings only to be supplied along with manufacturer certificate & guarantee certificate) (the bearings will be supplied by TNPGCL if available at stores during execution of works) | 2 | Nos | 34,600 ₹69,200 | 35,000 ₹70,000 |
| 3.00 | Charges for De Coupling / Coupling of PA Fan motor with fan. Including consumables and T&P's. | 2 | Nos | 3,950 ₹7,900 | 4,000 ₹8,000 |
| 4.00 | Charges for Inspection of PA fan Impeller and shaft at inside the Casing, entering through the manhole door, inspection and rectification of impeller radial seals, axial seals and their clearances, conducting Dye Penetrate test (DPT) on impeller blades, rectification of defects in manhole door and door locks, and attending minor repair works. Including cost of consumables and T&P's. | 2 | Nos | 28,750 ₹57,500 | 29,000 ₹58,000 |
| 5.00 | Charges for Loosening the motor bed bolts, shifting a motor for accessibility, arrangement of fixtures and removal of fan coupling, arrangement of fixtures, lock washer lock released and lock nut dismantled and removal of DE bearing along with the collar and housing, Checking and measuring the existing bearing, spacer ring, collar and bearing seating radial surface of Shaft. Reassembling of existing bearing / new bearing by heating up to 120 degree by using hot oil soaking in tub / Induction heater, and mounting along with collar and housing, tightening of locknut with lock washer. Mounting of Drive End coupling by heating, and bring down the shaft to its original position and re fixing of motor in the original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL) | 2 | Nos | 90,100 ₹1.8 L | 91,000 ₹1.8 L |
| 6.00 | Charges for Lifting up the shaft, arrangement of fixtures, lock washer lock released and lock nut dismantled and removal of NDE bearing along with the coller and housing, Checking and measuring the existing bearing, spacer ring, coller and bearing seating radial surface of Shaft. Reassembling of existing bearing / new bearing by heating up to 120 degree by using hot oil soaking in tub/induction heater, and mounting of spacer ring, coller, bearing along with the housing and bring down the shaft to its original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL) | 2 | Nos | 30,350 ₹60,700 | 31,000 ₹62,000 |
| 7.00 | Replacement of existing / new PA fan DE/ NDE bearing housing: Work involves Checking the bearing mounting area of housing, measuring, rectifying minor defects and polishing. blue matching the housing with pedestal, positioning bring down the shaft to its original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL) | 4 | Nos | 13,175 ₹52,700 | 13,500 ₹54,000 |
| 8.00 | Alignment of fan and motor: This work includes taking pre alignment reading, complete dismantling of motor bed bolts and fan housing bolts. Lifting, cleaning of motor foot, base plate, housing base and positioning. Aligning the fan and motor axially and radially within the allowable limits. Box up the fan bearings, checking tightness of all bolts, couple the fan and motor and trial run of the fan. Including cost of consumables and T&P's. | 2 | Nos | 38,350 ₹76,700 | 40,000 ₹80,000 |
| 9.00 | Overhaul of IGV Left and Right side and its gearbox: This work includes loosening of IGV casing bolts and removal of IGV assly. from fan casing. Dismantling of connecting rod, guide ring, flaps, angular joints and IGV blades. Cleaning and checking the above internals for any defect and attending repair works and replace the wornout internals. Re assembling, retapping of grease nipple points, providing new grease nipple (grease nipple contractor scope) greasing, aligning and bolting the IGV set and normalizing for smooth operation. Removal of gearbox by chain block from its bed, removal of mounting channel. Fixing and welding of mounting channel. Repositioning and fixing the gear box. Opening the actuator gear box, inspection of gears and filling up the lubrication. Including cost of consumables and T&P's. | 2 | Nos | 45,750 ₹91,500 | 46,500 ₹93,000 |
| 10.00 | Renew the weaken PA Fan IGV base : Work involves disconnecting and dismantling of IGV link rod from actuator .Dismantling of actuator base plate and PCC concrete, Making holes in the ground through diamond core cutting machine, fixing and levelling foundation bolts, re concreting, fixing of base plate with channel, apply two coats of anticorrosive paint and remounting of actuator, reconnecting of links & checking the IGV open/close operation by manually and normalizing. Including cost of consumables and T&P's. | 2 | Nos | 23,750 ₹47,500 | 24,000 ₹48,000 |
Tender Value
Refer Docs
EMD Value
₹13,600
Closing Date
12 Aug 2025, 2:00 pmClosed
SE MI NCTPS1 CH 120
O/o SE MI NCTPS1 CH 120
NCTPS I SE MI circle AOH 25 26 BM Dn Unit II Overhaul of PA fans and its PA fan lub oil sytem overhaul of LOP coolers and lines during Annual Overhaul for the year 2025 26
2025_EB_586711_1
CE SE MI NCTPS I 146 25 26
Open Tender
Power/Energy Projects/Products
45 days
Works
Please refer Tender documents.
3 documents required · 3 mandatory
₹0
₹13,600
Yes
20 Apr 2026
30 Jul 2025
13 Aug 2025
30 Jul 2025
12 Aug 2025
30 Jul 2025
Amount
PA fan DE bearing 23230-E1-XL-C3 (SKF/FAG / TIMKEN make bearings only to be supplied along with manufacturer certificate & guarantee certificate) (the bearings will be supplied by TNPGCL if available at stores during execution of works)
PA fan NDE bearing 22230-E1-XL-C3 (SKF/FAG / TIMKEN make bearings only to be supplied along with manufacturer certificate & guarantee certificate) (the bearings will be supplied by TNPGCL if available at stores during execution of works)
Charges for De Coupling / Coupling of PA Fan motor with fan. Including consumables and T&P's.
Charges for Inspection of PA fan Impeller and shaft at inside the Casing, entering through the manhole door, inspection and rectification of impeller radial seals, axial seals and their clearances, conducting Dye Penetrate test (DPT) on impeller blades, rectification of defects in manhole door and door locks, and attending minor repair works. Including cost of consumables and T&P's.
Charges for Loosening the motor bed bolts, shifting a motor for accessibility, arrangement of fixtures and removal of fan coupling, arrangement of fixtures, lock washer lock released and lock nut dismantled and removal of DE bearing along with the collar and housing, Checking and measuring the existing bearing, spacer ring, collar and bearing seating radial surface of Shaft. Reassembling of existing bearing / new bearing by heating up to 120 degree by using hot oil soaking in tub / Induction heater, and mounting along with collar and housing, tightening of locknut with lock washer. Mounting of Drive End coupling by heating, and bring down the shaft to its original position and re fixing of motor in the original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL)
Charges for Lifting up the shaft, arrangement of fixtures, lock washer lock released and lock nut dismantled and removal of NDE bearing along with the coller and housing, Checking and measuring the existing bearing, spacer ring, coller and bearing seating radial surface of Shaft. Reassembling of existing bearing / new bearing by heating up to 120 degree by using hot oil soaking in tub/induction heater, and mounting of spacer ring, coller, bearing along with the housing and bring down the shaft to its original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL)
Replacement of existing / new PA fan DE/ NDE bearing housing: Work involves Checking the bearing mounting area of housing, measuring, rectifying minor defects and polishing. blue matching the housing with pedestal, positioning bring down the shaft to its original position. Including consumables and T&P's. (The Required Material will be supplied by TNPGCL)
Alignment of fan and motor: This work includes taking pre alignment reading, complete dismantling of motor bed bolts and fan housing bolts. Lifting, cleaning of motor foot, base plate, housing base and positioning. Aligning the fan and motor axially and radially within the allowable limits. Box up the fan bearings, checking tightness of all bolts, couple the fan and motor and trial run of the fan. Including cost of consumables and T&P's.
Overhaul of IGV Left and Right side and its gearbox: This work includes loosening of IGV casing bolts and removal of IGV assly. from fan casing. Dismantling of connecting rod, guide ring, flaps, angular joints and IGV blades. Cleaning and checking the above internals for any defect and attending repair works and replace the wornout internals. Re assembling, retapping of grease nipple points, providing new grease nipple (grease nipple contractor scope) greasing, aligning and bolting the IGV set and normalizing for smooth operation. Removal of gearbox by chain block from its bed, removal of mounting channel. Fixing and welding of mounting channel. Repositioning and fixing the gear box. Opening the actuator gear box, inspection of gears and filling up the lubrication. Including cost of consumables and T&P's.
Renew the weaken PA Fan IGV base : Work involves disconnecting and dismantling of IGV link rod from actuator .Dismantling of actuator base plate and PCC concrete, Making holes in the ground through diamond core cutting machine, fixing and levelling foundation bolts, re concreting, fixing of base plate with channel, apply two coats of anticorrosive paint and remounting of actuator, reconnecting of links & checking the IGV open/close operation by manually and normalizing. Including cost of consumables and T&P's.
Charges for cleaning of PA fans lub oil tank and flushing of lub oil lines, Including cost of consumables and T&Ps.
Charges for dismantling and cleaning of PA fan Lub oil cooler Including cost of consumables and T&Ps.
Charges for hydraulic testing of the PA fan Lub oil cooler @ 15 Kg/Cm² pressure for 30 minutes in the presence of TNPGCL Incharge. Including cost of special tools for tube cleaning & hydraulic testing, consumables and T&Ps.
Charges for overhauling of PA fan lub oil pump, Including cost of consumables and T&Ps.
Checking the lubricating oil for any contamination, oil draining and renewing the oil for PA fans Bearings, Including cost of consumables and T&Ps.
Dismantling of entire tie rod link mechanism from activator to IGV for PA fan reconditioning of wornout link holes by metal filling and machining to required dia, fabrication of new link connecting pin for suitable dia with end washers and cotter pin, retapping of existing grease nipples in links, Providing new grease nipple, provide gun metal bush at actuator drive end link, reassembling. The entire activator link assembly at intact position with out any play, ensuring of activator end operation and IGV end connecting linked tie rod operation without any sluggishness and commissioning in position. Including, consumables and T&P’s.
Charges for lifting the bottom half & top half of the IGV assembly for PA fan and fixing if with the suction transition piece-I, aligning the IGV assembly with the axis of the fan, tightening the IGV assembly and connecting the actuator mechanism with the actuator Including cost of consumables and T&P’s.
Renewal of impeller radial seal: Work involves removal of existing eroded radial seals (L&R) by loosening of bolts, and fixing of new radial seal bolting and tack welding. Adjusting the radial seal for required clearance. Including drawal, devolution transportation. Including, consumables and T&P’s.
Renuga Enterprises (BID ID -1427158)
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