tender for lagging work in the various house- 1 lagging work (insulation) at various equipment/ accessories of boiler water wall panels, economizer, super heaters, riser tubes, down comer branch pipes, side headers etc. (appx. area- 50000 sq.ft) lrb mattress-100 mm, density of lrb material- 120kg/m3, cladding with aluminum sheet of 22 gauges(0.644mm) 2 lagging work (insulation) at various equipment/ accessories of boiler outletduct and hoppers , steam drum and water drum areas, main steam pipelines, prds pipelines etc. (appx. area- 15000 sq.ft) lrb mattress –100mm, density of lrb material- 120kg/m3, cladding with aluminum sheet of 22 gauges (0.64mm) 3 lagging work (insulation) at various equipment/ accessories at boiler aph, id and other ducting of boiler section etc. (appx. area- 15000 sq.ft) thk of lrb mattress- 75 & 50mm, density of lrb material- 100kg/m3 , cladding with aluminum sheet of 24 gauges(0.51mm) 4 lagging work ( insulation) at various equipment/ accessories at boiling house lrb mattress- 75 & 50mm, density of lrb material- 100kg/m3 , cladding with aluminum sheet of 24 gauges(0.51mm) 5 lagging work ( insulation) at various equipment/ accessories at turbine section lrb mattress- 75 & 50mm, density of lrb material- 100kg/m3 , cladding with aluminum sheet of 24 gauges(0.51mm)