Tender For Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-I - Overhauling Of Coal, Oil, Air Burners Compartments, Burner Tilting Mechanism And Rectification Of Oil Gun Stationary Part In Four Corners - 1, 2, 3, & 4 And Rev Ing Of Sadc In 2 & 3
Tender Value
Ref. Documents
Estimated cost
Bid Submission
05 Oct 2026
1 days left
EMD
29900
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
Thiruvallur → Tamil Nadu
EMD Exemption
Available
Quantity
Not Available
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Address
Project Description
Tender for Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-I - Overhauling Of Coal, Oil, Air Burners Compartments, Burner Tilting Mechanism And Rectification Of Oil Gun Stationary Part In Four Corners - 1, 2, 3, & 4 And Rev Ing Of Sadc In 2 & 3 Corner, Renewal Of Heavily Eroded Burner Corner Tubes And Bends During The Annual Overhaul 2026-27
BOQ
| Sl. No. | Item Description |
| 1 | Corton steel of 6 mm thick including loading, transporting and unloading charges. |
| 2 | Corton steel of 3.15 mm thick including loading, transporting and un loading charges |
| 3 | EN -8 ROD |
| 4 | Stuffing box for SADC shaft damper |
| 5 | Expansion Joint Style -I Bellow of size 3007 X 1839 X 81 mm |
| 6 | Square Head Pin |
| 7 | Rech rod pn |
| 8 | Air / Oil Nozzle Pin |
| 9 | Bell Crank Pin |
| 10 | Zero Pin |
| 11 | Foam seal sealer 30-45 (Dum Dum paste) Hy seal 30-45 |
| 12 | Non Metallic Compressed Asbestos fibre joining sheet - 2000mm x1500mmx3mm Make -champion/Klinger/spitmaanm/feroliteMax.Tem -3500 C, Max pr-25 Kg/cm2GrW/3 IS No-Is2712/1998 Colour -Red |
| 13 | Hexagonal Bolt with Washer size : M12x40 mmHT bolts |
| 14 | Hexagonal Bolt with Washer size:M16x50 mmHT bolts |
| 15 | Overhauling of burner tilting mechanism & components.Removing inner and outer panel doors, reach rods, burner tilting mechanism Components & inspection, cleaning rectification of defects and alignment of burner tilting mechanism components, reassembling with proper lubricants, fixing of inner & outer panel doors. Charges inclusive of consumables, hire charges for T&P's |
| 16 | Overhauling of coal compartment assembly: Dismantling of old coal compartment assembly from the respective elevations, cleaning and preparing the respective elevations, checking of coal nozzle & tips, rectification if any refixing of coal compartment assembly inside the respective elevation checking the clearance & burner tilt etc. Charges Inclusive of consumables and hire charges for T&P's. |
| 17 | Overhauling of oil compartment assembly:Removal of oil compartment assembly (oil gun guide tube) from the respective oil elevation, cleaning, checking dimension, guide tube assembly and supports & rectification of defects, Removing the oil nozzle tip, overhauling of nozzle tip and linkage, checking the holds lubrication of pins, refixing oil nozzles tip and checking the clearance with wind box refixing oil gun guide tube scanner, igniter guide tube assembly etc., Charges inclusive of consumables and hire charges for T&P's. |
| 18 | Overhauling of air compartments:Dismantling of air compartment nozzle tip, Overhauling of air nozzle tip and its linkage, pin etc., checking the pins, Rectification, checking the clearance, refixing after lubrication. Charges inclusive of consumables and hire charges for T&P's. |
| 19 | Rectification of oil gun stationary parts: Cutting the existing damaged bolts/studs from the oil gun, fixing the flange, drilling grinding and sizing the same for fixing the bolts/studs welding and checking the alignment with the oil compartments for proper fixing. Charges inclusive of consumables and hire charges for T&P's. |
| 20 | checking of burner assembly vertical alignment in inside and outside with reference to the top burner tip after providing necessary scaffolding. checking of burner tips horizontal alignment and operation checking after assembling of coal bend. Charges inclusive of consumables, hire charges for T&P's. |
| 21 | Dismantling of burner tilt external link assembly in AB-CD elevation and CD-EF elevation cleaning. Assembling back and aligning in original position for smooth operation. Charges inclusive of consumables, hire charges for T&P's. |
| 22 | Disconnecting the SADC (1 & 4) stuffing box from power cylinder, removing stuffing box flange inspection the gland packing and the jammed SADC components, dismantling, rectification of defects assembling the SADC with new packing and lubricants replacing the damaged link plate cutting & new link plate position welding the flange checking the clearance from shaft and stuffing box connection the old/new link plate with power cylinder and providing air line modification with legress nipple and operation of SADC etc. Charges inclusive of consumables and hire charges for T&P's. |
| 23 | Revamping of SADC corner 2& 3providing scaffolding arrangement at Boiler area |
| 24 | Revamping of SADC corner 2& 3Charges for fabrication of New air damper by sizing, bending of carbon steel plate of 8/6 mm thick, 25 mm of EN8 pipe sizing, hinge plates, link plate, arresting plates etc., drilling and welding the arresting plate, hinge plate suitability as per the released sample. |
| 25 | Revamping of SADC corner 2& 3Charges for cutting removal of worn out air dampers fixed & moving blades, shaft, preparing air compartement, Fixing shaft and damper blades, welding shaft with moving blade and making proper alignment and checking for free operation. |
| 26 | Rectification of Metallic expansion joint style 1 and structure in Win boxRenewal/reconditioning of metallic expansion joints style 1/2:-Work involves arresting the upstream and down stream of duct, cutting and removal of existing eroded cover plate and metallic expansion joints and gauching. Leading lifting positioning of new expansion joint, aligning with the duct channel and complete welding. |
| 27 | Rectification of Metallic expansion joint style 1 and structure in Win boxCharges for fabrication and erection for damaged / eroded support structure in SADC including T&P's and consumables. (required structural material will be supplied by TNPGCL) |
| 28 | Charges for renewal of eroded / weakened Burner corner boiler water wall tubes of size Dia 63.5 x 5.5 mm (above 44.5mm) in burner corners inclusive of transportation, cutting of defective tubes, edge/spool preparation, welding with IBR welder and assisting for hydraulic test. Charges including consumable and hire charges for T&P's. (Material) Available at stores) |
| 29 | Charges for bending boiler tube of various size |
| 30 | Charges for fin welding: Charges for fin welding by cleaning, surface preparation and welding. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 30, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 05, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 1 dayOct 06, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 2 daysTender Documents
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