NCTPS - II- M I Circle – BM Division – Unit I 600MW Boiler – Supply and erection of Insulation at Boiler I pass, II pass, Burner, Valves, Pent house and Air preheater during annual overhaul period of 2024-25.; 1 Fixing of Insulation :This work involves removal of insulation and refixing with new / old insulaiton material in Boiler pressure parts, Critical pipe pipe lines, Burners, Valves, Oil lines, ECO ducts, Airpreheater and pent house etc., Charges inclusive of cost of T&Ps and consumables.Charges for 75mm thick : 2 Fixing of Insulation :This work involves removal of insulation and refixing with new / old insulaiton material in Boiler pressure parts, Critical pipe pipe lines, Burners, Valves, Oil lines, ECO ducts, Airpreheater and pent house etc., Charges inclusive of cost of T&Ps and consumables.Charges for 150mm thick : 3 Fixing of Insulation :This work involves removal of insulation and refixing with new / old insulaiton material in Boiler pressure parts, Critical pipe pipe lines, Burners, Valves, Oil lines, ECO ducts, Airpreheater and pent house etc., Charges inclusive of cost of T&Ps and consumables.Charges for 210mm thick : 4 Fixing of cladding sheet :This work involves fixing of G.I Sheet with new / old G.I Sheet over insulation done in Boiler pressure parts, Critical pipe pipe lines, Burners, Valves, Oil lines, ECO ducts, Airpreheater and pent house etc., Charges inclusive of cost of T&Ps and consumables. 5 Arresting of cladding Sheet with M.S fin plates:This work consists of gas cutting of M.S plates of various size from 100 to 300 mm plates into required length to suit to the site requirement, grinding of fin plates, welding arrangements for welding of fin plates, welding arrangment for welding of fin plates in the boiler structure I beams and channels to arrest the G.I sheet in place and avoid air ingression / ash leakage. Charges inclusive of T&Ps and consumables. 6 Charges for providing temporary scaffolding for positioning, aligning and welding of scaffolding materials dismantling the temporary scaffolding after completion of works. Charges inclusive of T&Ps and consumables. 7 Charges of providing of MS mesh 6mm x 100 mm x 100 mm, work involves welding of MS mesh at Boiler bottom ring header area (Charges inclusive of MS mesh, consumables and T&Ps etc.,) 8 Charges for surface preparation and two coat of Lumerous - HR - 47 Aluminium painting on boiler side wall tubes, including cost of Lumerous - HR - 47 - Aluminum paint, consumables and T&Ps etc., 9 Supply of Lightly resin bonded wool mattresses of 60mmthick, confirming to IS 8183 of issue of with 1/2 x 23 swg wire setting at single side.Bulk density - 150 kg/cub.mtrMaterial : Basalt Rock packed in HDPE bags.Size : 1.52m x 1.22m x 60mm thickIncluding P&F, F&I and unloading charges 10 Supply of Lightly resin bonded wool mattresses of 75mmthick, confirming to IS 8183 of issue of with 1/2 x 23 swg wire setting at single side.Bulk density - 150 kg/cub.mtrMaterial : Basalt Rock packed in HDPE bags.Size : 1.52m x 1.22m x 75mm thickIncluding P&F, F&I and unloading charges 11 Insulation MS pinSize : 6mm x 225mmMaterial : IS 2062Including P&F, F&I and unloading charges 12 Insulation MS square plateSize : 70mm x 70m x 2mmMaterial : IS 2062Including P&F, F&I and unloading charges 13 GI Holding stripSize : 65mm x 652m x 2mmMaterial : IS 2062Including P&F, F&I and unloading charges 14 GI Corrugated Sheet Size : 920mm x 1830mm x Thickness 18 SWGMaterial : GIIncluding P&F, F&I and unloading charges 15 MS Sheet 2mm thkRequired Size : 2500mm x 200mm x 2 thk Material : MSIncluding P&F, F&I and unloading charges 16 GI Plain sheetRequired Size : 2500mm x 1000mm x Thk 0.63mm Galvanized coating mass : 120g/m2, Make : JSWIncluding P&F, F&I and unloading charges