Overhauling Of Duct, Damper, Expansion Bellows And Gates Of Unit 7= 1 Overhauling of Duct, Damper, Expansion Bellows and Gates of Unit -7. 2 REPAIRING OF AIR /FLUE DUCTS AS PER SCOPE OFWORK 3 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW: Size 2750x1720mm, having Totallength 10500mm,width 270mm, Design Temperature # 3380c, Pressure 1650mmWC, Material of Construction # Four layers with each of Woven glass Fabric, Needled Glass felt, PTFE Foil, Both side Elastomer coated glass fabric. Used in Hot PA at APH Outlet. 4 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW: Size 6108X3542 MM, having total length 22000MM, Width 235 MM,design temperature 128 DegC, Pressure 2050 MMWc, material of construction Buto EP, resin bonded glass felt encased in ss wire & glass fabric. Used in APH outlet convergent flue duct. 5 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW: Size 3200X3000 MM, Having total length 14300 MM, Width 300 MM, design temperature 128 DegC, pressure 2050 MMWC,material of construction Buto EP, resin bonded glass felt encased in ss wire mesh & glass fabric used in flue duct. Used in flue duct beforeand after ESP. 6 REPLACEMENT OF CLOTH TYPE EXPANSIONBELLOW AS TABULATED BELOW: Non Mettalic Expansion Joint Fabric Cloth for joint size 9000X2000MM, having total length 24600MM, width 212MM, design temperature 128DEG.C, pressure 2050MMWC,expansion axial 23MM & lateral 10MM,material of construction BUTO EP, resinbonded glass felt encased in SS wire mesh & glass fabric. Used in APH Outlet flueduct just before convergent duct in the verticle direction at around 8.5M elevation. 7 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOWS: Non Metallic Expansion Joint Fabric Cloth for joint size 6714X3820MM, having total length 23800MM, width 290MM, design temperature 344DEG.C, pressure475MMWC,expansion axial 30MM &lateral 30MM,material of construction woven glass fabric, needled glass felt, PTFE FOIL, both side ELASTOMER coated glass fabric,SUPER WOOL & RESIN BONDED glass felt encased in ss wire mesh & wovenglasss fabric. Used in SA line at APH OUTLET. 8 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW:NON METALLIC EXPANSION JOINT FABRIC CLOTH FOR JOINT SIZE 2750X1720MM, HAVING TOTAL LENGTH 10500MM, WIDTH 245MM, DESIGN TEMPERATURE 50DEG.C, PRESSURE 2050MMWC, EXPANSION AXIAL 30MM & LATERAL 30MM, MATERIAL OF CONSTRUCTION BUTO EP, RESIN BONDED GLASS FELT ENCASED IN SS WIRE MESH & GLASS FABRIC. USED IN COLD PA LINE AT APH INLET. 9 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW: NON METALLIC EXPANSION JOINT FABRIC CLOTH FOR JOINT SIZE 3820X3500MM, HAVING TOTAL LENGTH 17000MM, WIDTH 455MM, DESIGN TEMPERATURE 344DEG.C, PRESSURE 475MMWC, EXPANSION AXIAL 70MM & LATERAL 50MM, MATERIAL OF CONSTRUCTION WOVEN GLASS FABRIC,EEDLED GLASS FELT, PTFE FOIL, BOTH SIDE ELASTOMER COATED GLASS FABRIC,SUPER WOOL & RESIN BONDED GLASS FELT ENCASED IN SS WIRE MESH &WOVENGLASS FABRIC. USED IN SA LINE AT Y AFTER APH. 10 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW: NON METALLIC EXPANSION JOINT INSULATION BOLSTER FOR JOINT SIZE 4000X5000 MM, HAVING TOTAL LENGTH 18200MM, WIDTH 160MM, HEIGHT 100MM, DESIGN TEMPERATURE 128DEG.C, PRESSURE 2050MMWC, EXPANSION AXIAL 12MM & LATERAL 23 MM, MATERIAL OFCONSTRUCTIONRESIN BONDED GLASS FELT ENCASED IN SS WIRE MESH & WOVEN GLASS FABRIC. USED IN FLUE DUCT HEADER BEFORE ESP INLET. 11 REPLACEMENT OF CLOTH TYPE EXPANSION BELLOW:NON METALLIC EXPANSION JOINT FABRIC CLOTH FOR JOINT SIZE 6714X3820MM, HAVING TOTAL LENGTH 23550MM, WIDTH 225MM, DESIGN TEMPERATURE 50DEG.C, PRESSURE 450MMWC, EXPANSION AXIAL 30MM & LATERAL 30MM, MATERIAL OF CONSTRUCTION BUTO EP, RESIN BONDED GLASS FELT ENCASED IN SS WIRE MESH &GLASS FABRIC. USED IN SA LINE AT APH INLET. 12 REPLACEMENT OF CLOTH TYPE EXPANSIONBELLOW: NON METALLIC EXPANSION JOINT FABRIC CLOTH FOR JOINT SIZE Ø920MM, HAVING TOTAL LENGTH 4000MM, WIDTH 235MM, DESIGN TEMPERATURE 50DEG.C, PRESSURE 2050MMWC, EXPANSION AXIAL 27MM & LATERAL 25MM,MATERIAL OF CONSTRUCTION BUTO EP, RESIN BONDED GLASS FELT ENCASED IN SS WIRE MESH & GLASS FABRIC. USED IN COLD PA INLET AT HOT PA DUCT TO MILL. 13 Only Cloth replacement at ID Fan suctionbellow Size # 1750x3100. 14 Only Cloth replacement at ID Fan suctionbellow Size # 2220 x 2495. 15 Repairing of cloth type Bellows bypatch work. 16 Repairing of Metallic Expansion Bellows(02 leaf)by Run welding. 17 Repairing of Metallic Expansion Bellows(04 leaf)by Run welding. 18 Run welding for patch work/repairing ofwork where no new plate is required. 19 Servicing of Hot air damper and gate as tabulated below as per scope of work. 20 Servicing of Cold air damper and gates as tabulated below as per scope of work. 21 Servicing of Sealair fan suctionDampers and NRVas tabulated below as per scope of work(01 Motorised+ 01 Manual). 22 ID Fan suction Damper (2 nos 4 bladedampers = 1 set). 23 PA Fan Interconnection Damper. 24 FD Fan Discharge Damper. 25 FD Fan Interconnection Damper 26 APH O/L PA damper 27 APH I/L PA damper 28 APH Outlet SA Damper (2Nos. 4 Blade Dampers= 1 Set). 29 APH Inlet SADamper (2 Nos. 4 Blade Dampers= 1 Set). 30 ID Fan Inlet Gates 31 ID Fan O/L Gate 32 Seal Air Supply to Mill Valve
