Tender For Work Contract For Aoh Of Boilers- Pressure Parts Of Unit 3 At 2X660 Mw, Sstpp, Mppgcl, Dongalia.

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Tender For Work Contract For Aoh Of Boilers- Pressure Parts Of Unit 3 At 2X660 Mw, Sstpp, Mppgcl, Dongalia.--1 Section-A 2 Preparation Of Quick Erect Scaffolding System ( Cup-Lock System ) In Boiler Furnace: 3 Internal Cleaning Of Boiler Ii Nd Pass 4 Cleaning Of Ash From Economizer Hopper, Dead Chamber, Cat House Dog House 5 Preparation Of Scaffolding In Boiler Horizontal Pass ( Screen Tubes, Re-Heater Hanger, Super Heater Hanger Tubes ) 6 Preparation Of Scaffolding Above Economizer Hopper For Inspection Of Economiser Lower Bank Coils. 7 Preparation Of Scaffolding At Ww Ring Header For Inspection Of Ring Header & Refixing / Replacement Of Orifices. 8 Inspection Of Complete Boiler Pressure Parts ( I St & Ii Nd Pass ) 9 Inspection / Repair Of All Peep Holes In Boiler 10 Cleaning And Repair Of All Wind Boxes 11 Servicing Of Secondary / Additional Air Port Dampers 12 Preparation Of Scaffolding In Bottom Ash Hopper And Front / Rear S- Panel Backside, Covering The S- Panel Completely With Sheets For Simultaneous Checking, Repairing Work In Bottom Ash Area And Furnace Togather: 13 Dye Penetrationn Test ( Dpt ) 14 Transportation Of Ash, Scraps, Debris And Other Waste Material ( Incl. Loading. / Unloading ) 15 Thorough Cleaning Of Boiler From Inside By Using Hydro-Jet Cleaning Method. 16 Complete External Cleaning Of The Boiler From Top To Bottom 17 Section-B 18 Rectification, Replacement And Refixing Of Protection Sleeve ( Shielding ) In Various Areas Of Boiler Tubes. 19 Preparation Of Boiler Tube Surface For Tube Thickness Survey 20 ( Section-C ) Welding Of Hp Joints And Alighmentof Boiler Tubes / Coils / Banks 21 Water Wall Tubes ( Primary And Secondary Pass ) / Rifle Tubes, Screen Tubes, Hanger Tubes Etc. 22 Primary Super Heater Tubes 23 Secondary Super Heater Tubes 24 Tertiary Super Heater Tubes 25 Primary Superheater Support / Hanger Tubes 26 Primary Reheater Support / Hanger Tubes 27 Primary And Secondary Reheater Tubes 28 Roof Tubes 29 Economizer Support Tubes 30 Economizer Coils In Reheater And Superheater Pass 31 Alignment Of Coils Oftertiary / Final Superheaters 32 Alignment Of Coils Ofsecondary Superheaters 33 Alignment Of Coils Ofsecondry / Final Reheaters 34 Alignment Of Coil Of Economizer 35 Alignment Of Coil Of Primary Superheater 36 Alignment Of Primary Reheater Coil 37 Welding Of Fins 38 Re-Enforcement Of Welded Joints 39 Checking And Rectification Of Supports / Hangers Of Critical Pipe Lines 40 Checking And Rectification Of Expansion Indicator In Boiler Area 41 ( Section-D ) Application / Repair Of Refractory ( Whytheat C / Whytheat C Patch ) / Bsf Blanket At Various Locations Of Boiler 42 Bottom Ash Hopper Gr-C 43 Pent House, Doors & Windows Etc. ( Additional Air Port / Waterwall Tubes ) Gr.-C / Htc 44 Man Holes, Peep Holes, Roof Seal Boxes Gr-C 45 Hydraulic Test Of Boiler Pressure Part & Preparation For Boiler Light Up 46 ( Section-E ) 47 Complete Servicing / Overhauling Of Hp Valves ( Miv / Mov ) 48 >25 Mm & Upto 50 Mm 49 >50Mm & Upto 100 Mm 50 >100 Mm & Upto200 Mm 51 Above 200 Mm 52 Complete Servicing Of Control Valves ( Excluding Actuator ) . 53 >25 Mm & Upto 50 Mm 54 >50Mm & Upto 100 Mm 55 >100 Mm & Upto200 Mm 56 Above 200 Mm