Tender For Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-I- Rectification / Renewal Of Overheated / Sagged / Eroded Radiant Roof Tubes In Inter Pass By Phased Manner, Plastering Of Refractory And Rectification Of Skin Casing Sheet In Penthous
Tender Value
Ref. Documents
Estimated cost
Bid Submission
05 Oct 2026
1 days left
EMD
27000
Bank guarantee accepted
Document Fee
Ref. Documents
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
Website
Contact Person
Address
Project Description
Tender for Nctps - I - Se/Mi Circle - Aoh (26-27) - Bm Dn.- Unit-I- Rectification / Renewal Of Overheated / Sagged / Eroded Radiant Roof Tubes In Inter Pass By Phased Manner, Plastering Of Refractory And Rectification Of Skin Casing Sheet In Penthouse And Other Allied Works During Annual Overhaul 2026-27
BOQ
| Sl. No. | Item Description |
| 1 | U-Clamp |
| 2 | Cotter Pin M 39 X3X175 MM, HT Head Bolt (Half Thread) with Spring and Washer. |
| 3 | Channel Size:140 mm x 100 mm x 1000 mm carbon steel |
| 4 | Corton Steel Plate 3.15 mm Thick |
| 5 | Skin casing expansion joint for radinat roof (1.5M length) |
| 6 | Super castable refractory Tricast CC70 Super-1450 Application Temperature: 1450°C Maximum grain size: 5 mm Water Required for casting: 10-12% Make: PKV Refractory/ Madras Refractory/ Total globe or equivelant |
| 7 | GI corrugated sheet 920mm X 1830 mm thick 18 SWG Material: |
| 8 | Charges for leading, lifting and arranging platform and scaffolding in platen SH coil to facilitate rectification of sagged Radiant tubes, and roof dismantling completion of work. Including consumables and hire charges for T&Ps. |
| 9 | Charges for bending of plates :Drawal of 3.15 / 10 mm M.S plate from central stores transporting the materials to outside workshop cutting in to required size, bending to the required size and profile, transporting back to NCTPS boiler area. |
| 10 | Charges for renewal of overheated / sagged /eroded radiant roof tubes in second pass for 10 Nos of tube (1 tube required 4 joints) of size 51 mm X 5 mm (above 44.5 mm dia) including cost of consumables and T&Ps (Required tubes will be supplied by TNPGCL) |
| 11 | Charges for bending of various size of boiler tubes. |
| 12 | Charges for fin welding: Charges for fin welding of saw cut fins along with spool piece of radiant roof tubes by cleaning, surface preparation and welding. Including consumables and hire charges for T&P’s. (Required Fins will be supplied TNPGCL) |
| 13 | Charges for Cutting and removal of existing damaged / eroded channel in penthouse at 52mtr level and devolution of the retrieved material to stores and rectification of damaged eroded fabricated channel in penthouse using new fabricated channel and patch up work arresting the 'U' clamp, inserting peg pins in the radiant roof tube and welding with supporting channel in the boiler Ist pass. |
| 14 | Renewal of radiant roof Skin casing by welding in first pass, Drum enclosure, Repairing of skin casing, crown plate, Stuffing box in plate SH, CRH, HRH & FSH (This work involves cutting the damaged existing skin casing sheet where ever required, Welding with new skin casing sheet) |
| 15 | Rectification of Penthouse roof work involves Cutting and removal of the existing damaged GI Corrugated sheets rectification and rewelding with new sheet in Pent house in boiler |
| 16 | Rectification of hanger supports and tie rods: This work includes making temporary support arrangements, gas cutting, Renew the damaged tie rods and support plates, strengthening the existing supports |
| 17 | Renewal / reconditioning of metallic expansion joints: Work involves cutting and removal of existing eroded cover plate and metallic expansion joints and gauching at drum enclouser. Leading, lifting positioning of new expansion joint, aligning with Header and complete welding. Style#1 |
| 18 | Refractory:Charges for chipping removal of old defective refractory, cleaning, surface preparation, patch work new refractory in various elevation of Boiler, and disposing removed refractory from site. i) Charges for transporting the refractory from stores and unloading at site, leading, lifting, stacking at 7m to 52m elevation of Boiler and removing the waste refractory from Boiler lowering to the ground flower, loading to tipper and disposing at waste disposal area of TPS.ii) Charges for chipping removal of old defective refractory, cleaning, surface preparation, mixing the refractory with water application and curing the patch worked refractory in Boiler at various elevation. 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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