Tender For Nctps-Ii-M-I Circle-Ca-Cwph- Unit-Ii- Tws 2F-Inspection Of Travelling Water Screens 2F Boot Section Assembly By Complete Dismantling Of Basket Trays & Chain Link Plates, Dewatering The Fore Bay & Tws Chamber, Fabricating Water Screen Frame
Tender Value
Ref. Documents
Estimated cost
Bid Submission
30 Sep 2026
13 days left
EMD
8700
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-Ii-M-I Circle-Ca-Cwph- Unit-Ii- Tws 2F-Inspection Of Travelling Water Screens 2F Boot Section Assembly By Complete Dismantling Of Basket Trays & Chain Link Plates, Dewatering The Fore Bay & Tws Chamber, Fabricating Water Screen Frame Steel & Guide Plates Of Boot Section And Fixing, Reassembling Intact And Satisfactory Commissioning As And When Required.
BOQ
| Sl. No. | Item Description |
| 1 | Charges for inspecting the TWS chamber for locating & identifying the detached guide ring and damaged water screen frame steel at the boot section of TWS structure located in the '-12' Mtr depth inside the TWS chamber using compressor for air blasting with Deep sea diver with oxgen cylinder including cost of consumables and hire charges for T&P's, such as, air compressor, Diving regulator, diving spins, cylinder regulator, diving mask, diving dress, weight belt, manila rope, etc., in the fore bay of CWP. |
| 2 | Charges for dismantling and cutting the screen basket including cost of consumables and T&P's hire charges etc., |
| 3 | Charges for lifting of chain link assembly from -12 mtrs to O mtrs and inspection suitably rectification including cost of consumables and T&P's hire charges etc., |
| 4 | Charges for removing of wheels and plumber block from shaft and inspection suitably rectification including cost of consumables and T&P's hire charges etc., |
| 5 | Charges for assembling of wheels and plumber block with shaft including cost of consumables and T&P's hire charges etc., |
| 6 | Charges for lifting and shifting the boot section from O mtrs to -12 mtrs including cost of consumables and T&P's hire charges etc., |
| 7 | Charges for maintaining water level cutting the links plates and both boot section and head frame side and removal of head mouting including cost of consumables and T&P's hire charges etc., |
| 8 | Charges for removal of baskets with link plate from suction tunnel and dismantling of basket,shim plate,link plate,nylon roller ,bushes spacers etc., including cost of consumables and T&P's hire charges etc., |
| 9 | Charges for connecting of link plates and fixing of head shaft sprockets and assembly of all basket check plate with link plates and checking and commisssioning including cost of consumables and T&P's hire charges etc., |
| 10 | Charges for cleaning the one side of stop log gate guide plate & wall grooves such as mollusks,marine growth from '0' Mtr forebay floor to '-12' Mtr depth on stop log gate guide plate and grooves using compressor for air blasting with deep sea diver with oxgen cylinder including cost of consumables and hire charges for T&P's such as air compressor,diving regulator,diving spins, cylinder regulator,diving mask,diving dress,weight belt,manila rope etc., in the fore bay of CWPs |
| 11 | Charges for cleaning the stop log gate bottom seating area guides and seating plates such as mollusks,marine growth at -12 Mtr depth of stop log gate guide plate and grooves using compressor for air blasting with deep sea diver with oxgen cylinder including cost of consumables and hire charges for T&Ps such as air compressor ,diving regulator,diving spins, cylinder regulator,diving mask, diving dress,weight belt,manila rope, etc., in the fore bay of CWPs. |
| 12 | Charges for arresting the sea water passing/ seepage in stoplog gate sealing area while dewatering,the leakage should be arrested with suitable material including cost of consumables and hire charges for T&P's such as air compressor,diving regulator, diving spins, cylinder regulator, diving mask, diving dress,weight belt, manila rope etc., in the fore bay of CWPs. |
| 13 | Labour charges for lowering the dewatering pump in the suction forebay dewatering slurry, cleaning and lifting the dewatering pumps including hire charges for dewatering pump, discharge hose, foot valves for dewatering the pump chamber including cost of consumables and T&P's hire charges. |
| 14 | Charges for scaffolding arrangements inside the the pump forebay chamber,travelling water screen chamber and pump suction chamber of cooling water pump from' -12'mtr to '-3'mtr including cost consumables and lift & lead etc., |
| 15 | Charges for de-watering and inspection of TWS chamber.This work involves arranging of dewatering pump,connection of suction and discharge piping with necessary fittings from the nearest source including hoses, closely mointoring the water level in the chamber and inspection as direct by site incharge which includes hire charges of pump, accessories,T&Ps, consumables etc., (Pump capacity-5 HP) |
| 16 | Charges for scrapping of mollusks,burnacles and marine growth floor base in the chamber from stoplog gate to suction chamber, accumulating the mollusks at one place and disposing the same from '-12'mtr to '0' mtr level and away from the work location as per direction of site incharge including the cost of lighting,hire charges for tractor,lead,lift, safety appliances such as cum boot,hand gloves, masks, sanitary items,consumables,T&P's complete. |
| 17 | Charges for cutting and removal of worn out/damaged semi circle shaped guide rings on which roller travels at the boot section of water screen frame , sizing, bending as per original profile released, fabrication of new guide ring and welding in position including cost of consumables and T&P'etc., (Necessary material will be supplied by TNPGCL at free of' cost ) |
| 18 | Charges for fabrication and bending of 10 mm thick MS plate for required shape to the extent of 3 Mtrs height for water screen frame column at the boot section including cost of consumables and T&P'etc., (Necessary material will be supplied by TNPGCL at free of cost ) |
| 19 | Charges for cleaning the entire surface of water screen frame column with sand/shot blasting and three coats of painting with a total dry film thickness (DFT) of 190 to 225 Microns i.e.painting with one coat of zinc phosphate epoxy primer (60-70 microns), two coats of epoxycoal thar paint including cost of epoxy primer,coal tharpaint and epoxy thinner including hire charges for T&P's and cost of consumables etc., Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 16, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 30, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 13 daysOct 01, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 14 daysTender Documents
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