Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Eprocure
Opening Date20 Jun 2024
Closing Date27 Jun 2024
Tender AmountRefer Documents
Costs
EMD
₹ 27,700Document Cost
Refer DocumentsTender Fee
Refer Documents
Description
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Contact
Tender Id
2024_EB_455823_1Bid Award Id
ViewTender No
SE MI NCTPS II O M 67 24 25Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
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Documents
NCTPS II MI Circle CA CWPH Unit II Inspection of internals attending defects by dismantling the CWP 2B internal
BOQ Items
Charges for cleaning, inspecting the wear & tear and checking the dimension of shaft sleeve drive shaft,head shaft,intermediate shaft -II,gland packing seating area in discharge elbow, anti extrusion,lantern ring,inner dimension of the muff coupling, abutment rings and carrying out the minor rectification, strengthening the discharge elbow, thrust block and the radial bearing seating housing in the element V & element IV as directed by the site incharge including the cost of consumables and hire charges for T & P's etc.,
1
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Charges for cleaning the mollusks and removing the element III to II and intermediate shaft I, postioning in the aproachable place any where in pump house,through cleaning of all the pump material removed, carrying out the through inspection & minor rectification of the internals and re-fixing the same intact and checking the clearance between the shaft sleeve and radial bearing and ensuring the free rotation of shaft at each stage for smooth operation of pump,as directed by the site incharge including the cost of consumables, lead, lift and hire charges for T & P's etc.,
1
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Charges for removing the element I,pump casing,suction casing bell mouth, impeller casing, deflector plate, impeller lock nut, impeller and suction casing postioning in the aproachable place any where in pump house as directed by the site incharge including the cost of consumables, lead, lift and hire charges for T & P's etc.,
1
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Charges for cleaning,inspecting the wear & tear and checking the dimension of shaft sleeves in pump shaft,element I,pump casing, bearing housing, radial bearing,impeller,impeller casing liner, impeller casing,deflector plate,impeller lock nut and suction casing bell mouth and carrying out the minor rectification,strengthing the element I,pump casing,bearing housing and the radial bearing seating housing in the element I & bearing housing, replacing if any as directed by the site incharge including the cost of consumables,lead, lift and hire charges for T & P's etc.,
1
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Charges for machining the cooling water pump radial bearing inside diameter and suite the shaft sleeve suitably as per the direction of Site incharge including the cost of consumables, lead, lift and hire charges for T & P's etc.,
6
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Charges for dismantling of worn-out and damaged pump casing wear ring and assembling new wear ring and welding suitably in pump casing and checking clearance with pump casing & impeller of cooling water pump including cost of consumables and T &P's etc.,
1
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Charges for marking, drilling and tapping the size M16 and dummy the existing damaged tapped holes in cooling water impeller casing assembly top side, drilling the existing tapped holes to enlarge suitable for M16 stud head seating area in top side of the impeller liner suitably including cost of consumables and T &P's etc.,
24
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Charges for marking, drilling and tapping the size M16 and dummy the existing damaged tapped holes by welding in cooling water pump bearing housing top side and suite the M16 stud suitably impeller casing assembly top side including cost of consumables and T &P's etc.,
6
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Charges for painting of 1 coat of zinc chromate/red oxide primer and 2 coats of coaltar epoxy/ finish paint which includes cost of consumables such as paint, primer, thinner, brush, cotton waste, etc., lead, lift and T&P's as directed by the site incharge.
100
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Charges for re-fixing the intermediate shaft II with muff coupling, element IV & V, head shaft with muff coupling, Discharge Elbow, distance spool piece discharge pipeline, gland packing anti extrusion & lantern ring, distance piece, drive shafft with muff coupling and motor base plate at 4 mtr level intact in position. Checking the clearance between the shaft sleeve and radial bearing and ensuring the free rotation of shaft at each stage for smooth operation of pump as per the direction of site incharge including the cost of consumables,MS Stud & Nuts M 30x 170 mm and hire charges for T & P's etc.,
1
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Charges for re-fixing the radial bearing with bearing housing in the pump casing, impeller in the pump shaft with locking the impeller lock nut, fixing the deflector plate, impeller liner with impeller casing, element I and suction casing bell mouth intact in position, checking the clearance between the shaft sleeve & radial bearing and checking the total float of the impeller and ensuring the free rotation of shaft & impeller at each stage for smooth operation of pump as per the direction of site incharge including the cost of consumables, lead, lift and hire charges for T & P's etc.,
1
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Charges for dynamic balaning of the all rotating parts ie., impeller. The work involves loading and unloading of the pump rotating parts one by one in dynamic balancing machine and checking the rotating parts with 1000 rpm and removing/adding material by welding on to the impeller for correcting any imbalance including cost of consumables and T&P's etc.,
1
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Charges for fabricating of SS 316 pump casing wear ring by marking,cutting and welding to suit impeller of cooling water pump including cost of material,consumables and T &P's etc.,
1
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Charges for the transportation of cooling water pump all shafts to check the truness, impeller, elements to rectify to outside work shop and return back to the NCTPS-II site for including cost of consumables and T &P's and Hire charges for the vechicle etc.,
1
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Labour charges for checking the dial out along the length of the shaft, suitably working on the shaft to confirm the trueness of the shaft including cost of consumables and T &P's etc.,
5
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Charges for locating the deteriorated portion in the pump casing stationary vane blades,filling the vane with approriate matching metal by welding,grinding and finishing the vane in order to strengthen the pump casing stationary vane blades by using special type of welding electrodes, checking for any blow holes in the welded portion as per the direction of Site Engineer including cost of consumables and T &P's etc.,
9
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Charges for Marking, drilling, tapping the size M27 holes and dummy the existing threaded holes by welding, in cooling water pump casing top side and suite the M27 stud suitably including cost of consumables and T &P's etc.,
24
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Dismantling of TWS 2E &2F assemblies by complete dismantling drive shaft assembly, plummer blocks, cleaning, related required rectifications, renewal/ replacement of new/rectified spares, refixing of drive shaft assembly, plummer blocks with internal guides and support angles, reassembling intact and satisfactory commissioning.
-
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Charges for dismantling and cutting including cost of consumables and T&P's hire charges etc
1
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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.,
1
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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.,
1
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Charges for assembling of wheels and plumber block with shaft including cost of consumables and T&P's hire charges etc.,
1
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Charges for lifting and shifting the boot section from O mtrs to -12 mtrs including cost of consumables and T&P'shire charges etc.,
1
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Charges for welding of guides in travelling water screen including cost of consumables and T&P's hire charges etc.,
1
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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.,
1
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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.,
1
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Charges for maintaining water level, providing plateform at -12mtrs supporting of boot section cutting the existing angles and surface finish by grinding including cost of consumables and T&P's hire charges etc.,
1
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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.,
1
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Charges for overhauling of TWS gear box by removal of gear box assembly from its position, after draining the lubricant, dismantling, cleaning,checking of all internals and chain link assembly, renewal/replacement of new/old rectified spares, replacement of worn out "O" rings,oil seals, reassembling,lubricatng the chain link assembling ,topping up of gearbox lubricant and satisfactory commissioning including cost of consumables and T&P's hire charges etc.,
1
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Charges for reconditioning of damaged and wornout travel water screen main drive shaft by welding, machining and finishing the main drive shaft with the suitable material in bearing seating area and suite the sleeve bearing and housing with assembly for smooth operation of main drive shaft including cost of consumables and T&P's hire charges etc.,
1
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Charges for rectifying the wornout & damaged travel water screen basket by marking, cutting and fixing the screen mesh in travel water screen basket suitably including cost of consumables and T&P's hire charges etc.,
4
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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
2
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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.
1
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Charges for rectification of the existing stop log gate seals in the sides and bottom of the stop log gate including cost of consumables T&P's and lead and lift etc.,
4
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Charges for lifting leading lowering the stop log gate for arresting the water in the suction fore bay including cost of consumables and T&P's hire charges etc
1
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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.
1
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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.
1
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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.,
484
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Charges for scrapping of mollusks, burnacles and marine growth from '-12'mtr to '-03' mtr and 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.
572
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