Tender For Mtps-Ii - Mi Circle - Boiler Maintenance - Overhauling Of Air Pre Heater A And Replacement Of Axial Seal Plate Assembly During The Coh Period Of 2026-27.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
16 Nov 2026
3 days left
EMD
35600
Bank guarantee accepted
Document Fee
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Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Salem → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
Website
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Address
Project Description
Tender for Mtps-Ii - Mi Circle - Boiler Maintenance - Overhauling Of Air Pre Heater A And Replacement Of Axial Seal Plate Assembly During The Coh Period Of 2026-27.
BOQ
| Sl. No. | Item Description |
| 1 | Opening of all manhole doors & closing manhole doors after completion of work including changing of asbestos ropes and clamps in the doors. |
| 2 | Removal of Ash deposit around guide bearing area and inside the APH. |
| 3 | Marking and gas cutting of Air Pre Heater Flue gas/PA/SA shell body mother plate with chain block support at insulation removed location for required size to facilitate to dismantling of existing Axial Seal Plate and erection of a new Axial Seal Plate plate through this APH Flue gas/PA/SA shell body mother plate and re-erection of the mother plate after renewal of Axial Seal Plate. |
| 4 | Arresting of existing wornout Axial seal plate by chain block and hydraulic jack after removing of adjuster screws, lowering of existing wornout Axial seal plate gradually and releasing of chain block supports and drawing outside of Air Pre Heater through the opening made in Air Pre Heater PA/SA/flue gas side shell body mother plate, leading and lowering the removed worn-out Axial seal plate from 19.15mtr Air Pre Heater floor level to '0' mtr boiler floor by means of motor operated winch, transporting and devoluting to store. |
| 5 | Erection of a new Axial seal plate, this work includes transporting of axial plate from store to site, leading and lifting of a new Axial seal plate from '0'mtr boiler floor to 17mtr Air Pre Heater floor level by means of motor operated winch and inserting the new Axial seal plate through the PA/SA/flue gas shell body mother plate opening by means of chain blocks support, placing the Axial seal plate to the existing wornout Axial seal plate removed location and re-assembling the new Axial seal plate in position asper standard procedure and aligning of axial plate as per the standard alignment protocal. |
| 6 | Cutting and removing of bracing support pipes at APH flue gas hot end side / New re-erection of removed bracing pipes by welding in position after the erection of new hot end sector plate. |
| 7 | Removal of Cold end heating elements from its position, leading to the adjacent area of the Air Pre heater, dry cleaning, high jet pressure water cleaning and then air cleaning and putting back the same / New heating elements after renewal of Cold end support frame and diaphragm plate. |
| 8 | 8) Removal of Hot end sacrificing heating elements from its position, leading to the adjacent area of the Air Pre heater, dry cleaning, high jet pressure water cleaning and then air cleaning and putting back the same / New heating elements after renewal of Hot end support frame and diaphragm plate. |
| 9 | Removal of Hot end heating elements from its position, leading to the adjacent area of the Air Pre heater, dry cleaning, high jet pressure water cleaning and then air cleaning and putting back the same / New heating elements into its position. |
| 10 | Removal of Intermediate heating elements from its position, leading to the adjacent area of the Air Pre heater, dry cleaning, high jet pressure water cleaning and then air cleaning and putting back the same / New heating elements into its position. |
| 11 | Replacing the old eroded/damaged cold end gratings into new one, This work inReplacing the old eroded/damaged cold end gratings into new one, This work involves cutting and removing the old eroded/damaged cold end gratings and surface finishing the Rotor shell body and fixing the new cold end gratings , including drawl of new materials from stores and transporting to APH area and devoluting old material to stores, including all required consumables & T&P,s etc., as per engineer in charge hire charge. |
| 12 | Cutting and removing of bracing support pipes at APH flue gas cold end side / New re-erection of removed bracing pipes by welding in position after the erection of new cold end sector plate. |
| 13 | Cutting and removing of rigid stoppers checking and correction of rotor leveling, checking and correction of critical distance between guide bearing housing and housing sleeve and fixing, welding the rigid stoppers and provide shim packing in between guide bearing housing and permanent stoppers. |
| 14 | Fixing up straight edge after finding the low point of sector plate adjusting the radial seals to correct clearance, clamping the seals in both hot end and cold end of APH (Double Sealing Arangement). |
| 15 | Removal of worn - out radial seal in both cold end and hot end and re fixing with new HT bolts & nuts and positioning (including transporting of new materials from stores to site and scraps from site to stores). |
| 16 | Fixing up straight edge after finding the low point of axial seal plate, adjusting the axial seals to correct clearance, clamping the seals properly in both hot end and cold end of APH. (Double Sealing Arangement). |
| 17 | Removal of worn-out axial seal in both cold end and hot end re fixing with new HT bolts and positioning. (including transporting of new materials from stores to site and scaps from site to stores). |
| 18 | Removal of worn-out/damaged bypass seals (complete assembly CE & HE) fixing and positioning properly with new seals, new HT bolts. (Including transporting of new materials from stores to site and scraps from site to stores). |
| 19 | Water washing of Air Pre Heater. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 07, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 16, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 3 daysNov 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 4 daysTender Documents
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