thermal and cold insulation and cladding works for unit-1 to 10 . , supply & application of thermal insulation of 50 mm thick having density ( 120 kg/m3 ) using new aluminium sheet , supply & application of thermal insulation of 100 mm thick having density ( 120 kg/m3 ) using new aluminium sheet , supply & application of thermal insulation of 150 mm thick having density ( 120 kg/m3 ) using new aluminium sheet , supply & application of thermal insulation of 50 mm thick having density ( 120 kg/m3 ) using old gi/aluminium sheet , supply & application of thermal insulation of 100 mm thick having density ( 120 kg/m3 ) using old gi/aluminium sheet , supply & application of thermal insulation of 150 mm thick having density ( 120 kg/m3 ) using old gi/aluminium sheet , application of thermal insulation of 200 mm thick having density ( 120 kg/m3 ) using old gi/aluminium sheet , supply & application of thermal insulation of 75 mm thick having density ( 120 kg/m3 ) using old gi/aluminium sheet , supply & application of 100/115/125m thick preformed calciumsilicate rigid coverings ( nalcos material ) on pipelines & pipe fittings using new gi/aluminium sheet , supply & application of 100/115/125m thick preformed calciumsilicate rigid coverings ( nalcos material ) on pipelines & pipe fittings using old gi/aluminium sheet , application of cladding with old gi/ aluminium sheet ( old sheet nalcos material ) , supply & application of cladding with new 0 . 71mm aluminium sheet , supply & application of thermal insulation of ducting , supply & application of acoustic insulation of ducting , supply & application of insulation of piping & valves upto 150nb with thermocol , supply & appl . of insulation of piping & valves > 150nb upto 200nb with thermocol , supply & appln . of insulation of piping & valves > 200nb upto 250nb with thermocol , supply & application of insulation of flat surface & chiller , erection/fabrication of scaffolding for insulation/inspection