Tender For Nctpp-Iii - Mechanical- I Circle - Boiler Maintenance Division - Boiler (Boiler Maker No.1818)- Overhauling Of Manhole Doors, Peep Hole Doors, Providing Moving Platform Inside Of The The Burner Furnace (Sky Climber), Conducting Tube Thickn
Tender Value
Ref. Documents
Estimated cost
Bid Submission
29 Oct 2026
5 days left
EMD
33350
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 Nctpp-Iii - Mechanical- I Circle - Boiler Maintenance Division - Boiler (Boiler Maker No.1818)- Overhauling Of Manhole Doors, Peep Hole Doors, Providing Moving Platform Inside Of The The Burner Furnace (Sky Climber), Conducting Tube Thickness Survey In Boiler, Identification Of Defective Tubes, Rectification Of Defective Tube In Boiler, Plastering Of Refractory Inside Boiler, Rectification Of Damaged Skin Casing Sheet ,Cleaning Of Slag And Clinkers On Boiler Tubes During Long Shutdown/Annual Overhaul, Hydro Test Of Boiler Towards Facilitate To Boiler License Renewal For The Year 2026-27.
BOQ
| Sl. No. | Item Description |
| 1 | Opening of Manhole doors including Jumpo doors in Boiler for inspection and carry out annual maintenance works from inside the Boiler and facilitate to providing working platforms /sky climbers in furnace to inspection on Boiler 1st & 2nd pass from 10 m to 95 m elevation and closing of Man Hole doors as per the instruction of Engineer In-charge. Charges including consumables and hire charges for T&P's. |
| 2 | Charges for Overhauling of manhole door assembly including Jumpo doors in Boiler, by disconnected the cooling hose from doors , cleaning, inspection of pins, studs, bolts & nuts, lever operation freeness, replace the sealing asbestos rope and applying Refractory etc., and rectification of defects, including cost of castable refractory. Charges including consumables and hire charges for T&P's. |
| 3 | Charges for Overhauling of peep hole door Door assembly in Boiler by disconnected the cooling air hose from peephole doors, cleaning, inspection of pins, studs, bolts & nuts, lever operation freeness, replace the sealing asbestos rope,replace the damaged view glass etc., and rectification of defects. Charges including consumables and hire charges for T&P's. |
| 4 | Transporting, Leading & lifting of platform materials including sky climber material such as power cables, hoist to 12.5 m & transporting of ropes to 88 m elevations and providing temporary platform inside furnace at 12.5 m level ( width of the Furnace 20.7 m) to facilitate assembling of Sky climber inside the Boiler. Removing the platform material & transporting Ropes, sky climber material and storing after completion of work. Charges including consumables and hire charges for T&P's. |
| 5 | Assembling and dismantling of Sky climber such as sky climber maintenance platform, Electrical Hoist ropes and power cable for one time in 12.5mtr inside the Boiler. Charges including consumables and hire charges for T&P's. |
| 6 | Charges for operation of sky climber as per the requirements to assist for various inspection such as Boiler cleaning, tube thickness survey, Burner corners, L-SOFA, H-SOFA, Furnace spiral wall tubes, Vertical wall tubes, Wall Blowers, SH divisional & Platen assembly etc., and for attending tube leak, tube membrane/fin welding etc., during the maintenance work period. Charges including consumables and hire charges for T&P's. |
| 7 | Charges for Cleaning of ash on Boiler tubes in First pass and inter pass areas such as water wall in all the four sides, Division Panelete coils, Platen SH coils scrubbing with wire brush using sky climbers. Finished RH coils, Finished SH coils scrubbing with wire brush. In Second pass of Boiler, LTRH coils, ECO Coils, SH Side walls are Cleaned by broom and compressed air, transporting the removed ash away from the boiler area. including Loading & Transporting to the area and disposing the Ash as per the direction of Engineer-in-charge. Charges including consumables and hire charges for T&P's. |
| 8 | Charges for buffing Boiler tubes to thickness survey, Providing assistance to tube thickness survey and conducting tube thickness survey on buffered boiler tubes, including hire charges for ultrasonic thickness gauge. Tube thickness survey readings taken in various location in boiler shall be submitted in the form of booklet as per the direction of Engineer-in-charge. Charges including consumables and hire charges for T&P's. |
| 9 | Charges for arrangement of platform and scaffolding materials and erection of the same wherever required inside the boiler area for thickness survey /tube rectification work / Hydro test and transporting the scaffolding materials. Charges including consumables and hire charges for T&P's. |
| 10 | Charges for conducting tube thickness survey by physical verification in boiler 2nd pass and inter pass area, arranging necessary lighting inside the Boiler as per the direction of Engineer-in-charge. Charges including consumables and hire charges for T&P's. |
| 11 | Charges for removing the existing Cassette baffle/ End shield in LTRH coil assembly by leading, lifting from its position, after completion tube rectification in LTRH coil and to fixed the cassette baffle / End shield in the existing LTRH coil assembly inside the boiler. Charges including consumables and hire charges for T&P's. |
| 12 | Charges for cutting, removal of shrouding (1.5 Mtrs to 2 mtrs) provided on Boiler tubes & bends for identify the tube leaks/ or tube erosion, after completion of boiler tube rectificatin work, fixing shrouding at erosion prone Boiler tubes & bends by Tag welding. Charges including consumables and hire charges for T&P's. |
| 13 | Transporting of tools and plants such as welding machine, cutting gas cylinders, cutting set, Argon gas cylinder, TIG set, grinding machine, tube cutting & chambering machine, welding rod pre-heater, 24 volt lighting set, consumables like special welding electrodes, TIG filler wire etc., Cutting of defective portion of tubes, edge preparation, new tube spool piece fit up in position, welding with IBR welder, Welding the HP joint with full TIG / root by TIG welding and balance by arc as per the IBR specifications. Charges including consumables and hire charges for T&P's. |
| 14 | Charges for upto 45 mm OD tubes / Pipes welding in HP/LP Steam /Water lines in Boiler and Welding should be done by IBR welder. |
| 15 | Charges for above 45 mm OD tubes / Pipe welding in HP Steam /Water lines in Boiler and Welding should be done by IBR welder. |
| 16 | Fin welding by IBR welder :This work consists of fabrication, grinding of fin plates, welding and scaffolding arrangements for welding of fin plates in the boiler wherever required to avoid air ingression / ash leakage., including cost of Alloy Steel fin plate (Size: 40/60/100mm width & 6mm). Charges including consumables and hire charges for T&P's. |
| 17 | Charges for surface preparation and two coat of Lumerous - HR - 47 Aluminium painting on Boiler Peep hole doors, manual doors and valves. Charges including consumables and hire charges for T&P's. |
| 18 | This work involves Cutting the existing damaged skin casing sheet, removing the refractory wherever required, blasting refractory, fabricating the Skin casing sheets required size as per site condition, welding with new skin casing sheets, arrest the ash leakage, including cost of Alloy Steel plate 3.15 thickness. Charges including consumables and hire charges for T&P's. |
| 19 | Conducting hydraulic test by providing high hydraulic pump for Boiler and assistance for hydraulic test and inspection of Boiler at pressurized condition in boiler I st pass, II nd pass, Boiler pent house, Seperator area and allied valve operations etc , hydraulic testing of boiler for a pressure of 425 kg/cm² towards renewal of Boiler license during inspection of Deputy Director of Boiler. Charges including consumables and hire charges for T&P's. |
| 20 | Plastering of Refractory in Boiler inter pass area. Charges for chipping removal of old defective refractory, cleaning, surface preparation, transporting the refractory from stores and unloading at site,leading, lifting, stacking at required elevation of Boiler mixing the refractory with water application and curing the patch worked refractory in Boiler and after completion works removing the waste refractory from Boiler lowering to the ground flower, loading to tipper and disposing at waste disposal area. Charges including cost of castable refractory. Charges including consumables and hire charges for T&P's. |
| 21 | Plastering of Pourable Refractory in Boiler area. Charges for chipping removal of old defective Pourable refractory, cleaning, surface preparation, transporting the pourable refractory from stores and unloading at site,leading, lifting, stacking at 86 mtr elevation of Boiler mixing the Pourable refractory with water application and curing the patch worked refractory in Boiler pent house roof area and after completion works removing the waste Pourable refractory from Boiler lowering to the ground flower, loading to tipper and disposing at waste disposal area. Charges including consumable and hire charges for T&P's. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 23, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 29, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 5 daysOct 30, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 6 daysTender Documents
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