Tender For Nctps-I - Se/M-Ii Circle - Ahp Dn. - Unit-Iii-Aoh-2026-27 Overhauling Of Various Sizes Of Valves, Cleaning, Checking And Rubber Lining The Ash Water Lines, Cleaning Of Ash Water Tank & Ash Slurry Sump Etc., In Ash Handling Pump House.
Tender Value
Ref. Documents
Estimated cost
Bid Submission
10 Nov 2026
2 days left
EMD
8300
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/M-Ii Circle - Ahp Dn. - Unit-Iii-Aoh-2026-27 Overhauling Of Various Sizes Of Valves, Cleaning, Checking And Rubber Lining The Ash Water Lines, Cleaning Of Ash Water Tank & Ash Slurry Sump Etc., In Ash Handling Pump House.
BOQ
| Sl. No. | Item Description |
| 1 | Providing bariguard in Unit-III slurry trench. Dewatering and removing the accumulated floating materials from the sump. Cleaning the sump and dispose the material collected from the sump and transporting to low lying area and dumped including consumables and T & P’s. |
| 2 | Dismantling, inspection and re-fixing the 406 dia bend with pipe in the suction pipe of ASDP A & B series, at (-) 10 mtr. Elevation including consumables and T & P’s. |
| 3 | Renewal of damaged anchored plates from the concrete wall for supporting structure inside the unit- III Slurry sump including consumables and T & P’s. |
| 4 | Fabrication and Erection of channel and angle for renewal/strengthening supporting structure for inside Unit-III Slurry 3A & 3B) walk way platform for valve operation and outside Flesh water line.(Material supplied by TNPGCL scope) including consumables and T & P’s. |
| 5 | Removing 100 NB pipe from sump make up line to the end of suction pipe of A & B series cleaning the silt and sea growth chocked inside the pipe, cleaning the pipe inside the surfaces. Removing the peeled off rubber by burning cut the pipe in to two pieces cleaning the corroded pipe by buffing, grinding inside the pipe and welding and re-fixing one 100 NB Butterfly valve with rubber lining the pipes including consumables and T & P’s. |
| 6 | Cleaning of Ash water tank (capacity 650 m3) of unit III, including removal of muds, sediments deposited at the tank bottom (at a height of 1.5 mtr.) and dispose the material through the tank drain pipe, collecting the sediments from the rain water trench and transporting to low lying area and dumping including consumables and T & P’s. |
| 7 | Cleaning & removing of barnacles formed inside the sea water storage tank walls of unit-III including consumables and T & P’s. |
| 8 | Removing the 350 NB valve from the Flushing Water Line and Ash water line and fixing the valve in the line after work completion and supports tightened including consumables and T & P’s. |
| 9 | Dismantling the valve body, bonnet assembly & gate and reconditioning the worn-out portion of valve body and gate by metal filling and grinding and overhauling the 350 NB valve and assembling including consumables and T & P’s. |
| 10 | Removing the 350 dia Ash water discharge header pipe from the Unit–III line lowering to ground, cleaning the silt, sea growth chocked inside the pipe and checking the pipe inside surfaces including consumables and T & P’s. |
| 11 | Lifting, refixing the pipe in the unit-III line and providing necessary supports (at above 4.5 mtr. Elevation) including consumables and T & P’s. |
| 12 | Removing the peeled off rubber by burning, cut the pipe in to two pieces grinding, inside the pipe welding the pipe and rubber lining the pipe (350mm M.S. Pipe) including consumables and T & P’s. |
| 13 | Rubber lining of fabricated sea water pipe line including Cost of natural rubber and rubber solution consumables and T & P’s.1. 350 mm MS Pipe = 20 m2 2. 300 mm Ms Pipe = 28 m2 |
| 14 | Removing the 300 dia Ash water discharge header pipe from the Unit-III line lowering to ground, cleaning the silt, sea growth chocked inside the pipe and checking the pipe inside surfaces including consumables and T & P’s. |
| 15 | Lifting, re-fixing the pipe in the unit-III line and providing necessary supports. (at above 7 mtr. elevation) including consumables and T & P’s. |
| 16 | Removing the peeled off rubber by burning, cut the pipe in to two pieces grinding, inside the pipe welding the pipe and rubber lining the pipe (300mm M.S. Pipe) including consumables and T & P’s. |
| 17 | Dismantling the 200 dia suction side valve and Ash water strainer drain valve from the unit III line and overhauling and re-fixing the valve in the line including consumables and T & P’s. |
| 18 | Dismantling the 150 dia discharge valve from the Ash water line, overhauling and re-fixing the valve in the line including consumables and T & P’s. |
| 19 | Fabrication and erection of ASDP booster pump 3A2, 3B3 suction side spool piece with flange (2 side) material SS 316-350 NB pipe including T&P & consumables. (Material supplied by TNPGCL). |
| 20 | Dismantling the 150 dia N.R. valve from the Ash water line and overhauling and re-fixing the valve in the line, including consumables and T & P’s. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 06, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 10, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 2 daysNov 11, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 3 daysTender Documents
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