Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Eprocure
Opening Date25 Nov 2024
Closing Soon30 Nov 2024
Tender AmountRefer Documents
Costs
EMD
₹ 95,800Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Nctps I Se Mi Circle Boiler Maintenance Division Annual Overhaul Works For The Year 24 25 Specification No 200 24 25
Description
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Contact
Tender Id
2024_EB_502881_1Tender No
CE SE MI NCTPS I 200 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 I SE MI Circle AOH 24 25 BM Dn Unit III Renewal of eroded and damaged collecting and Emitting Electrodes in ESP field 2A and 2B during annual overhaul for the year 202 25
NCTPS I SE MI Circle AOH 24 25 BM Dn Unit III Renewal of eroded and damaged collecting and Emitting Electrodes in ESP field 2A and 2B during annual overhaul for the year 202 25
BOQ Items
Cutting ESP inner casing roof plates and connected structural steel supports to the required size and leading it to ground level and providing necessary scaffolding arrangements of inner casing roof is to be cut & opened for enabling the removal of collecting electrode of size 750 mm width x 13.5 Mtr length, including consumables and T&P’s. (Required Qty per ESP field = 80 M2. Hence, Qty for 2 Nos of ESP field = 160 M2)
160
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-
Lowering MS plate/ inner casing plates to zero meter, lifting the MS plates after renewal of collecting electrodes to ESP top 23 Mtr elevation, fixing of MS plates at inner casing roof in correct position and welding 3 M² area inner casing is to be refixed after replacing the 5 nos of collecting electrodes., including consumables and T&P’s. (Required Qty per ESP field = 80 M2. Hence, Qty for 2 Nos of ESP field = 160 M2)
160
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-
Dismantling & removal of damaged/eroded/ wornout ESP collecting electrodes (plates) of sizes of size 750 mm width x 13.5 Mtr from ESP fields. These collecting electrodes are to be dismantled from shock bars by cutting the shock bar bolts, nuts, necessary scaffolding are to be erected at required elevation for lifting the 15 m long electrodes to the top of the ESP roof. Necessary Derrick/JIB crane arrangements are to erected at a suitable place. Data for 4 nos of collecting electrodes can be removed in 1 shifts. Including consumables and T&P’s. (Required Qty per ESP field = 160 Nos, Intermediate plate = 5 Nos. Hence, Qty for 2 Nos of ESP field = 325 Nos)
325
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-
Transporting collecting plates of size 750 mm width x 13.5 Mtr length from central stores/from stock yard in NCTPS-I loading on the vehicle, transporting through Trailers and unloading with cranes at ESP ’0’ mtr level, including consumables and T&P's. (Required Qty per ESP field = 160 Nos, Intermediate plate = 5 Nos. Hence, Qty for 2 Nos of ESP field = 325 Nos)
325
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-
Modification of 1 No collecting electrodes from 15 mtr to 13.5 mtr and making huck bolt holes by using trimming special tools suitable for ESP Type: FAA-6 x 37-5-2 x 96135-2 including consumables and T&P's. (Required Qty per ESP field = 160 Nos, Intermediate plate = 5 Nos. Hence, Qty for 2 Nos of ESP field = 325 Nos)
325
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-
Reconditioning of damaged collecting electrode hooks: This works involves reconditioning of damaged / bent / sheared collecting electrode hooks by gas cutting, fabrication and refixing of new hooks to its original position and welding to complete, including consumables and T&P's. (Required Qty per ESP field = 50 Nos. Hence, Qty for 2 Nos of ESP field = 100 Nos)
100
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-
Re-erection of ESP collecting electrodes of sizes of 750 mm width 13.5 Mtr length, this work involves additional support frames to be provided inside the ESP fields to guide and position properly in the guide bar assembly. The ESP collecting electrode are to be lifted (By Nos using specially fabricated Jigs/Fixtures) from ‘0’ M to the top of the ESP roof 23 Mtr level and lowered into the ESP fields through the ESP casing openings without bending / twisting / damage with the help of Derrick / JIB crane. The collecting electrode are to be bolted with the shock bar assembly including consumables and T&P’s. (Required Qty per ESP field = 160 Nos, Intermediate plate = 5 Nos. Hence, Qty for 2 Nos of ESP field = 325 Nos)
325
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-
Renewal of wornout / elongated emitting electrode (Spring type coils) from its frame and fixing of new one using fabricated special stretching tools including consumables and T&P’s. (Required Qty per ESP field = 1440 Nos. Hence, Qty for 2 Nos of ESP field = 2880 Nos)
2880
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-
Shifting / transporting the dismantled and eroded / damaged ESP internals (such as shock bar, collecting / emitting electrodes, plain bearing, rapping shafts for casing plates etc.,) from ESP 23 Mtr to '0' Mtr and loading into vehicle, transporting and devoluting at NCTPS-I stores including consumables and T&P’s. (Required Qty per ESP field = 1 No. Hence, Qty for 2 Nos of ESP field = 2 Nos)
2
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-
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