Tender For Annual Rate Contract For Maintenance Of Ball & Tubes Mills (Bbd 4772) And Gravimetric Feeders Etc. For 2X250 Mw, Unit-7&8, Ptps, Hpgcl, Panipat
Tender Value
1.84 Crore
Estimated cost
Bid Submission
02 Nov 2026
24 days left
EMD
4.35 Lakhs
Bank guarantee accepted
Document Fee
1180
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Panipat → Haryana
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Annual Rate Contract For Maintenance Of Ball & Tubes Mills (Bbd 4772) And Gravimetric Feeders Etc. For 2X250 Mw, Unit-7&8, Ptps, Hpgcl, Panipat
BOQ
| Sl. No. | Item Description |
| 1 | PART-A: Work For General routine mtc/ breakdown mtc. of coal mills, gravimetric feeders, seal air fans, firefighting system etc of coal mills of 2x250 MW, unit-7&8 PTPS, Panipat. (MONTHLY RATE FOR BOTH UNITS IS TO BE QUOTED BY THE FIRM AS PER SCOPE OF WORK OF PART-A (NS) 1st Year |
| 2 | PART-A: Work For General routine mtc/ breakdown mtc. of coal mills, gravimetric feeders, seal air fans, firefighting system etc of coal mills of 2x250 MW, unit-7&8 PTPS, Panipat. (MONTHLY RATE FOR BOTH UNITS IS TO BE QUOTED BY THE FIRM AS PER SCOPE OF WORK OF PART-A. (NS) 2nd Year |
| 3 | Part-B (A1) MILL DRIVE SYSTEM: Inspection of Gear and Pinion teeth and adjustment of Pinion for getting required matching and clearances. It includes opening & re-fixing of sound hood Panels, grease distribution Panel & its lines, girth gear seal air belt & its adjustment also, replacement of Pinion labyrinth seal & pinion bearing servicing, clearance adjustment & filling of fresh grease etc. and normalization (Each Nos). (NS) 1st Year |
| 4 | Part-B (A2) Overhauling of the main reducer, including replacement of coupling halves, bearings, seals, gears, shafts or any other worn out/damaged components if required and normalization (Each Nos). (NS) 1st Year |
| 5 | Part-B (A3) Replacement of main reducer with new/repaired & serviced reducer and normalization (Each Nos). (NS) 1st Year |
| 6 | Part-B (A4) Overhauling of Auxiliary reducer including replacement of bearing, gears, jaw clutch, shaft, seals or any other components if required and servicing and adjustment of E.M. brakes, hydraulic coupling etc. and normalization (Each Nos). (NS) 1st Year |
| 7 | Part-B (A5) Replacement of Aux. reducer and its cleaning, servicing ,complete work and normalization (Each Nos). (NS) 1st Year |
| 8 | Part-B (A6) Checking and replacement of mill drive system i.e. Auxiliary motor to Pinion including opening, servicing and re-fixing of couplings complete work and normalization (Each Nos). (NS) 1st Year |
| 9 | Part-B (A7) Inspection of support bearing including cleaning of internals & oil spray nozzles, checking of bearing clearance & shell lift and replacement of window gaskets, if required and normalization (Each Nos). (NS) 1st Year |
| 10 | Part-B (A8) Replacement/opening, repairing & re-fixing of support bearing liner including shifting the cradle inside the mill and lifting the shell for liner replacement, checking & adjustment of bearing clearances and shell lift and normalization (Each Nos). (NS) 1st Year |
| 11 | Part-B (A9) Alignment of driving pinion with main reducer, main reducer with main motor and main motor with Auxiliary reducer (Each Nos). (NS) 1st Year |
| 12 | Part-B (A10) Replacement of pinion bearing DE/NDE bearing including removal and refixing of bearing housing & normalization (Each Nos). (NS) 1st Year |
| 13 | Part-B (B1) MILLING SYSTEM: Replacement/dismantlement, complete servicing & assembly of screw conveyor assembly including opening & re-fixing hot air box, replacement/repair of drive bars & protecting sleeves and screw conveyor alignment, replacement, removal & re-fixing of bearing housing, replacement of half wear sleeves and felt seals. Adjustment of bearing housing for getting equal clearance in seal air box including repositioning of seal air box by cutting and welding. Checking & adjustment of clearance of screw conveyor flange with conveyor body. Replacement/repair of hot air tube/body liners of screw conveyor assembly and locking & straightening of ribbon at coal inlet end and normalization (Each Nos). (NS) 1st Year |
| 14 | Part-B (B2) Repair of screw conveyor ribbon including replacement/repair of chain link assembly by cutting, welding and grinding, welding of stiffener of stiffer plate at both sides of ribbon joint and adjustment of chain links for getting proper running clearance in the trunion tube and normalization( Each ribbon assembly) (NS) 1st Year. |
| 15 | Part-B (B3) Replacement of screw conveyor ribbon(complete) including vertical positioning of the screw conveyor assembly and alignment of new ribbon with other ribbons, cutting and removal of old ribbon and chain links and welding on new ribbon, locking & straightening of ribbon at coal inlet end and final adjustment of chain links for getting proper running clearances in the trunion tube & normalization.( Each ribbon assembly). (NS) 1st Year. |
| 16 | Part-B (B4) Replacement/repositioning of liner plates of mill shell including perfect site cleaning, grinding of liners sides, tightening of liner bolts after 50% and 100% ball charging, readjustment of shell liners for shell balancing and normalization (Each liner). (NS) 1st Year. |
| 17 | Part-B (B5.a) Removal of all the balls from mill shell: Collect balls of more than 20mm dia and fill in the mill shell, including any temporary erection arrangements required for charging the balls in shell (Each Ball Drum) (NS) 1st Year. |
| 18 | Part-B (B5.b) Removal of all the balls from mill shell: Segregation of balls of less than 20mm dia and filling & sealing in drums and transporting to scrap yard (Each Ball Drum) (NS) 1st Year. |
| 19 | Part-B (B6) Ball charging to mill including transportation of balls from stores (while Mills are under Capital shutdown) Per M.T. (NS) 1st Year. |
| 20 | Part-B (B7) Replacement/readjustment of girth gear seal air belt including perfect cleaning of sealing surface, seal counter flange, and the existing belt(for adjustment purpose) and providing proper stiffeners, air tightness check and normalization (Each Set). (NS) 1st Year. |
| 21 | Part-B (B8) Replacement/readjustment of trunion seal air gasket including perfect cleaning of sealing surface, seal counter flange and providing proper stiffeners, air tightness & normalization (Each Nos). (NS) 1st Year. |
| 22 | Part-B (C1) PULVERISED FUEL FIRING SYSTEM:-Replacement/Dismantlement, repair and reassembly of classifier outlet gates body and plate including replacement of seals, brass bushing and any other worn out component if any & normalization (Each Mill). (NS) 1st Year. |
| 23 | Part-B (C2) Replacement of ceramic tiles to reduce wear out of classifier outlet gates and normalization (Each Mill). (NS) 1st Year. |
| 24 | Part-B (C3) Replacement/ removing repair & re fixing of transit pieces and T pieces (at Classifier outlet assembly) including all cutting & welding work and normalization (Each Mill). (NS) 1st Year. |
| 25 | Part-B (C4) Replacement/removing & re fixing of purge air expansion joint and purge air duct and all cutting & welding and normalization (Each Mill). (NS) 1st Year. |
| 26 | Part-B (C5) Replacement/Repair/removing & re fixing of mill outlet elbow including replacement of spool pieces at its outlet pipe and normalization (Each Nos). (NS) 1st Year. |
| 27 | Part-B (C6) Replacement/removing & re fixing of orifices in the PF Pipe line and normalization. (NS) 1st Year. |
| 28 | Part-B (C7) Replacement/removing & refixing of Rockwell coupling including replacement of coupling gaskets and normalization (Each Nos). (NS) 1st Year. |
| 29 | Part-B (C8) Putting patch by welding for attending coal leakage at any point, Length, width & thickness of patch piece about 300X250 mm (Each Nos). (NS) 1st Year. |
| 30 | Part-B (C9) Replacement of rubber gaskets of Victaulic coupling & normalization (Each Set) (NS) 1st Year. |
| 31 | Part-B (C10) Replacement of long ceramic bend and normalization (Each Nos). (NS) 1st Year. |
| 32 | Part-B (C11) Replacement of short ceramic bend and normalization (Each Nos). (NS) 1st Year. |
| 33 | Part-B (C12) Replacement/removing & re fixing of PF Pipe of 22” dia up to length of 2 Mtr. In the fuel pipe lines & normalization (Each Nos). (NS) 1st Year. |
| 34 | Part-B (C13) Replacement of PF pipe of dia 22” of length more than 2 Mtrs. & up to 5 Mtrs. Long in the fuel pipe line and normalization (Each Nos). (NS) 1st Year. |
| 35 | Part-B (C14) Replacement of centre feed pipe cone at the Gravimetric feeder outlet and normalization (Each Nos). (NS) 1st Year. |
| 36 | Part-B (C15) Clearing of chocking of one PF Pipe from classifier outlet to Furnace and normalization (Each Nos). (NS) 1st Year. |
| 37 | Part-B (C16) Clearing of chocking of centre feed pipe from Gravimetric feeder out to mill inlet (either end) and normalization (Each Nos). (NS) 1st Year. |
| 38 | Part-B (C17) Dismantlement, servicing & assembly of Ball feeding gate, burner outlet gate, feeder inlet gate & outlet gate including replacement of any damaged/worn out component if any and normalization (Each Mill). (NS) 1st Year. |
| 39 | Part-B (C18a) Servicing & adjustment of Hot air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 1st Year. |
| 40 | Part-B (C18b) Servicing & adjustment of Cold air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 1st Year. |
| 41 | Part-B (C18c) Servicing & adjustment of Mixed air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 1st Year. |
| 42 | Part-B (C18d) Servicing & adjustment of Bypass air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 1st Year. |
| 43 | Part-B (C18e) Servicing & adjustment of Purge air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 1st Year. |
| 44 | Part-B (D1) GRAVIMETRIC FEEDER:- Replacement /opening & re fixing of feeder belt including dismantlement and assembly of all relevant components and belt tracking and normalization (Each Nos). (NS) 1st Year. |
| 45 | Part-B (D2) GRAVIMETRIC FEEDER:- Servicing/ Replacement of electro dynamo drive System of R.C. Feeders & normalization. It includes replacement of worn out/damaged mechanical parts (Each Nos). (NS) 1st Year. |
| 46 | Part-B (D3) GRAVIMETRIC FEEDER:- Servicing / Replacement of Main Drive Gear Box & normalization .It includes replacement of worn out/damaged components (Each Nos). (NS) 1st Year. |
| 47 | Part-B (E1) Supply of Skilled manpower for the works on Boiler Area other than above stipulated works with required T & P (Each man power per day). (NS) 1st Year. |
| 48 | Part-B (E2) Supply of Unskilled manpower for the works on Boiler Area other than above stipulated works with required T & P (Each man power per day). (NS) 1st Year. |
| 49 | Part-B (A1) MILL DRIVE SYSTEM: Inspection of Gear and Pinion teeth and adjustment of Pinion for getting required matching and clearances. It includes opening & re-fixing of sound hood Panels, grease distribution Panel & its lines, girth gear seal air belt & its adjustment also, replacement of Pinion labyrinth seal & pinion bearing servicing, clearance adjustment & filling of fresh grease etc. and normalization (Each Nos). (NS) 2nd Year |
| 50 | Part-B (A2) Overhauling of the main reducer, including replacement of coupling halves, bearings, seals, gears, shafts or any other worn out/damaged components if required and normalization (Each Nos). (NS) 2nd Year |
| 51 | Part-B (A3) Replacement of main reducer with new/repaired & serviced reducer and normalization (Each Nos). (NS) 2nd Year |
| 52 | Part-B (A4) Overhauling of Auxiliary reducer including replacement of bearing, gears, jaw clutch, shaft, seals or any other components if required and servicing and adjustment of E.M. brakes, hydraulic coupling etc. and normalization (Each Nos). (NS) 2nd Year |
| 53 | Part-B (A5) Replacement of Aux. reducer and its cleaning, servicing ,complete work and normalization (Each Nos). (NS) 2nd Year |
| 54 | Part-B (A6) Checking and replacement of mill drive system i.e. Auxiliary motor to Pinion including opening, servicing and re-fixing of couplings complete work and normalization (Each Nos). (NS) 2nd Year |
| 55 | Part-B (A7) Inspection of support bearing including cleaning of internals & oil spray nozzles, checking of bearing clearance & shell lift and replacement of window gaskets, if required and normalization (Each Nos). (NS) 2nd Year |
| 56 | Part-B (A8) Replacement/opening, repairing & re-fixing of support bearing liner including shifting the cradle inside the mill and lifting the shell for liner replacement, checking & adjustment of bearing clearances and shell lift and normalization (Each Nos). (NS) 2nd Year |
| 57 | Part-B (A9) Alignment of driving pinion with main reducer, main reducer with main motor and main motor with Auxiliary reducer (Each Nos). (NS) 2nd Year |
| 58 | Part-B (A10) Replacement of pinion bearing DE/NDE bearing including removal and refixing of bearing housing & normalization (Each Nos). (NS) 2nd Year |
| 59 | Part-B (B1) MILLING SYSTEM: Replacement/dismantlement, complete servicing & assembly of screw conveyor assembly including opening & re-fixing hot air box, replacement/repair of drive bars & protecting sleeves and screw conveyor alignment, replacement, removal & re-fixing of bearing housing, replacement of half wear sleeves and felt seals. Adjustment of bearing housing for getting equal clearance in seal air box including repositioning of seal air box by cutting and welding. Checking & adjustment of clearance of screw conveyor flange with conveyor body. Replacement/repair of hot air tube/body liners of screw conveyor assembly and locking & straightening of ribbon at coal inlet end and normalization (Each Nos). (NS) 2nd Year |
| 60 | Part-B (B2) Repair of screw conveyor ribbon including replacement/repair of chain link assembly by cutting, welding and grinding, welding of stiffener of stiffer plate at both sides of ribbon joint and adjustment of chain links for getting proper running clearance in the trunion tube and normalization( Each ribbon assembly) (NS) 2nd Year. |
| 61 | Part-B (B3) Replacement of screw conveyor ribbon(complete) including vertical positioning of the screw conveyor assembly and alignment of new ribbon with other ribbons, cutting and removal of old ribbon and chain links and welding on new ribbon, locking & straightening of ribbon at coal inlet end and final adjustment of chain links for getting proper running clearances in the trunion tube & normalization.( Each ribbon assembly). (NS) 2nd Year |
| 62 | Part-B (B4) Replacement/repositioning of liner plates of mill shell including perfect site cleaning, grinding of liners sides, tightening of liner bolts after 50% and 100% ball charging, readjustment of shell liners for shell balancing and normalization (Each liner). (NS) 2nd Year. |
| 63 | Part-B (B5.a) Removal of all the balls from mill shell: Collect balls of more than 20mm dia and fill in the mill shell, including any temporary erection arrangements required for charging the balls in shell (Each Ball Drum) (NS) 2nd Year. |
| 64 | Part-B (B5.b) Removal of all the balls from mill shell: Segregation of balls of less than 20mm dia and filling & sealing in drums and transporting to scrap yard (Each Ball Drum) (NS) 2nd Year. |
| 65 | Part-B (B6) Ball charging to mill including transportation of balls from stores (while Mills are under Capital shutdown) Per M.T. (NS) 2nd Year. |
| 66 | Part-B (B7) Replacement/readjustment of girth gear seal air belt including perfect cleaning of sealing surface, seal counter flange, and the existing belt(for adjustment purpose) and providing proper stiffeners, air tightness check and normalization (Each Set). (NS) 2nd Year. |
| 67 | Part-B (B8) Replacement/readjustment of trunion seal air gasket including perfect cleaning of sealing surface, seal counter flange and providing proper stiffeners, air tightness & normalization (Each Nos). (NS) 2nd Year. |
| 68 | Part-B (C1) PULVERISED FUEL FIRING SYSTEM:-Replacement/Dismantlement, repair and reassembly of classifier outlet gates body and plate including replacement of seals, brass bushing and any other worn out component if any & normalization (Each Mill). (NS) 2nd Year. |
| 69 | Part-B (C2) Replacement of ceramic tiles to reduce wear out of classifier outlet gates and normalization (Each Mill). (NS) 2nd Year. |
| 70 | Part-B (C3) Replacement/ removing repair & re fixing of transit pieces and T pieces (at Classifier outlet assembly) including all cutting & welding work and normalization (Each Mill). (NS) 2nd Year. |
| 71 | Part-B (C4) Replacement/removing & re fixing of purge air expansion joint and purge air duct and all cutting & welding and normalization (Each Mill). (NS) 2nd Year. |
| 72 | Part-B (C5) Replacement/Repair/removing & re fixing of mill outlet elbow including replacement of spool pieces at its outlet pipe and normalization (Each Nos). (NS) 2nd Year. |
| 73 | Part-B (C6) Replacement/removing & re fixing of orifices in the PF Pipe line and normalization. (NS) 2nd Year. |
| 74 | Part-B (C7) Replacement/removing &refixing of Rockwell coupling including replacement of coupling gaskets and normalization (Each Nos). (NS) 2nd Year. |
| 75 | Part-B (C8) Putting patch by welding for attending coal leakage at any point, Length, width & thickness of patch piece about 300X250 mm (Each Nos). (NS) 2nd Year. |
| 76 | Part-B (C9) Replacement of rubber gaskets of Victaulic coupling & normalization (Each Set) (NS) 2nd Year. |
| 77 | Part-B (C10) Replacement of long ceramic bend and normalization (Each Nos). (NS) 2nd Year. |
| 78 | Part-B (C11) Replacement of short ceramic bend and normalization (Each Nos). (NS) 2nd Year. |
| 79 | Part-B (C12) Replacement/removing & re fixing of PF Pipe of 22” dia up to length of 2 Mtr. In the fuel pipe lines & normalization (Each Nos). (NS) 2nd Year. |
| 80 | Part-B (C13) Replacement of PF pipe of dia 22” of length more than 2 Mtrs. & up to 5 Mtrs. Long in the fuel pipe line and normalization (Each Nos). (NS) 2nd Year. |
| 81 | Part-B (C14) Replacement of centre feed pipe cone at the Gravimetric feeder outlet and normalization (Each Nos). (NS) 2nd Year. |
| 82 | Part-B (C15) Clearing of chocking of one PF Pipe from classifier outlet to Furnace and normalization (Each Nos). (NS) 2nd Year. |
| 83 | Part-B (C16) Clearing of chocking of centre feed pipe from Gravimetric feeder out to mill inlet (either end) and normalization (Each Nos). (NS) 2nd Year. |
| 84 | Part-B (C17) Dismantlement, servicing & assembly of Ball feeding gate, burner outlet gate, feeder inlet gate & outlet gate including replacement of any damaged/worn out component if any and normalization (Each Mill). (NS) 2nd Year |
| 85 | Part-B (C18a) Servicing & adjustment of Hot air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 2nd Year. |
| 86 | Part-B (C18b) Servicing & adjustment of Cold air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 2nd Year. |
| 87 | Part-B (C18c) Servicing & adjustment of Mixed air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 2nd Year. |
| 88 | Part-B (C18d) Servicing & adjustment of Bypass air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 2nd Year. |
| 89 | Part-B (C18e) Servicing & adjustment of Purge air damper including replacement of any component, if required, and normalization (Each Nos). (NS) 2nd Year. |
| 90 | Part-B (D1) GRAVIMETRIC FEEDER:- Replacement /opening & re fixing of feeder belt including dismantlement and assembly of all relevant components and belt tracking and normalization (Each Nos). (NS) 2nd Year. |
| 91 | Part-B (D2) GRAVIMETRIC FEEDER:- Servicing/ Replacement of electro dynamo drive System of R.C. Feeders & normalization. It includes replacement of worn out/damaged mechanical parts (Each Nos). (NS) 2nd Year. |
| 92 | Part-B (D3) GRAVIMETRIC FEEDER:- Servicing / Replacement of Main Drive Gear Box & normalization .It includes replacement of worn out/damaged components (Each Nos). (NS) 2nd Year. |
| 93 | Part-B (E1) Supply of Skilled manpower for the works on Boiler Area other than above stipulated works with required T & P (Each man power per day). (NS) 2nd Year. |
| 94 | Part-B (E2) Supply of Unskilled manpower for the works on Boiler Area other than above stipulated works with required T & P (Each man power per day). (NS) 2nd Year. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 07, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 02, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 24 daysNov 06, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 28 daysTender Documents
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