Tender For Nctps - I - Se/Mi Circle - annual maintenance contract (26-27) - Bm Dn. - Unit-I, Ii & Iii - Routine Maintenance Work Of Attending Repair In Various Size Of Valve In Boiler, Spray Station, 4 Mtr Drain Valves, 16 Mtr Drain Valves, 52 Mtr Ai
Tender Value
Ref. Documents
Estimated cost
Bid Submission
03 Nov 2026
11 days left
EMD
16800
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 - annual maintenance contract (26-27) - Bm Dn. - Unit-I, Ii & Iii - Routine Maintenance Work Of Attending Repair In Various Size Of Valve In Boiler, Spray Station, 4 Mtr Drain Valves, 16 Mtr Drain Valves, 52 Mtr Air Vent Valves And Hdo & Ldo Station In All Three Units From The Date Of Handing Over Of Site For Period Of 365 Days (1 Year).
BOQ
| Sl. No. | Item Description |
| 1 | ATTENDING GLAND LEAK IN VALVE OF VARIOUS SIZE UPTO 50 MM: This work involves isolating the valve, attending gland leak by loosening gland nuts, Renewal/repairing gland and tightening the gland etc, including consumable & T&P’s |
| 2 | ATTENDING GLAND LEAK IN VALVE OF VARIOUS SIZE UPTO 80 MM: This work involves isolating the valve, attending gland leak by loosening gland nuts, Renewal/repairing gland and tightening the gland etc, including consumable & T&P’s |
| 3 | ATTENDING FLANGE LEAK IN VALVE OF VARIOUS SIZE UPTO 80 MM to 150MM VALVE SIZE: Attending the flange leaks involves isolating the valve, attending flange leaks by tightening flanges nuts or Renewal/replacing gaskets in various types of pipe lines including consumable & T&P’s |
| 4 | Charges for providing temporary platforms at required elevation of non approaching area in boiler outside and dismantling after attending air ingress work. |
| 5 | Rectification / overhauling of jammed / in operative Reheater/super heater spray control valves by dismantling, inspection, lapping of valve seat and disc, renewal of spiral wound gasket and gland packing etc. Cleaning, freeing of all fasteners and renewing if necessary, assembling the valve. |
| 6 | Charges for rectifying hard to operate and leak valve upto size 50NB by cleaning the steam with rustolin, removing & cleaning the gland flange, bolts, gland packing, greasing reassembling, ensuring free of valve including consumable & T&P’s |
| 7 | Charges for rectifying hard to operate and leaking valves size 80NB to 350NB by cleaning the stem with rustoline, removing & cleaning the rusted gland flange, bolts, renewal of gland packing’s, removal of actuator & renewal of Thrust base bearings freeness of jammed stem nut and reassembling welding of disconnected sealing lines, freezing re-assembling, ensuring free operation of valve including consumable & T&P’s |
| 8 | Charges for cutting & removing of worn out corroded & punctured/damaged boiler drain pipe in spray station, super heater drain and connecting drain lines in IBD & IBR bends of OD 33.5-66m and cutting new ones to the required length, preparing edges by grinding, aligning & welding with the existing pipes by IBR welder including consumable & T&P’s |
| 9 | Attending minor problems in valve actuators: Work involves, removal of Teflon rope engaged to hand operate wheels & minor part in the actuators such as alien bolts & springs, checking smooth operation of actuators by manually and top uping oil, renewal of oil seals, including consumable & T&P’s |
| 10 | RECTIFICATION/OVERHAULING OF DRUM AND SUPER HEATER SAFETY VALVES: This work comprises of dismantling, cleaning, lapping the seat and disc, assembling without disturbing its initial settings. Charges including consumable and hire charges for T&P’s. (SV1, SV2, SV3 & SV5) |
| 11 | RECTIFICATION/OIVERHAULING OF RH SAFETY VALVES:This work comprises of dismantling, cleaning, lapping the seat and disc assembling without disturbing its initial settings. Charges including consumable and hire charges for T&P’s. (SV7, SV8, SV9 & SV10) |
| 12 | Safety valve seat cutting of 1700 series safety valves for correction of defective/damaged safety valves seat due to steam erosion including consumable & T&P’s |
| 13 | Charges for dismantling inspection, rectification of defect if any, lapping of valves seat disc & reassembling after overhauling of burner trip valves making leak testing and ready for service including consumable & T&P’s |
| 14 | Charges for Rectification feed control valve: Charges for providing temporary platform, dismantling the actuator, dismantling the bonnet by hammering and heating, cleaning the valve parts, lapping the gasket matching valve body, cage and bonnet and blue matching each other assembly the valve by providing new gaskets, gland packing, damaged spares etc including consumable & T&P’s |
| 15 | Charges for Rectification of nozzle valves, Oil/steam valves etc., in HFO/LFO operating stations, and fuel firing stations, HFO drain lines, drain oil tank and pump etc including consumable & T&P’s |
| 16 | Charges for dismantling & assembling the electrical Actuators to facilitate valve overhauling work including consumable & T&P’s |
| 17 | Charges for servicing of oil & atomising steam pneumatic burner trip valve from the line, dismantling the bonnet from the body, inspection of the disc, renewal of disc if required, renewal of the body gasket, refixing the HMV body in the line including consumable & T&P’s |
| 18 | Charges for cutting removal of worn out drain lines of Safety valves of Boiler Drum, MSL lines etc., checking removal chocking if any, renewal of eroded portion. Welding normalizing the lines including all consumables etc including consumable & T&P’s Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Oct 21, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 11 daysNov 04, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 12 daysTender Documents
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