tender for boiler ibr job.- 1 supply, dismantling, fabrication and erection of front header tube of boiler no.1 & 2 with seamless stubs suitable for 32 ton capacity, working pressure 35 kg / cm2, and superheated temp. 400°c as per ibr norm.a ) supply boiler tube ( 10 nos. in both boiler ) , approx. length of 1 tube = 15 mtr. tube size – 63.5mm ( od ) , 3.66mm thicknessb ) material specification and fabricationtubes should be confirming to bs 3059 part 1 erw 320 ( 1978 ) , min uts 3262kgf / cm², fabricated as per drawing / sample and ibr normsc ) dismantling of front headers tubes = 10 nos.d ) boiler quality ss 410 fins welded in between tubes. 2 dismantling, supply, fabrication and erection of drum to drum tubes of boiler no. 1a ) supply, bending and refitting of tubes as per drawing and site requirement. refitting of tubes by expanding in boiler drums with hydraulic testing of boilertotal tubes = 200nos.approx.length of 1 tube = 12 mtr.b ) material specification tubes should be confirming to bs 3059 part 1 erw 320 ( 1978 ) , type size 63.5mm odx3.6thick, min uts 3262kgf / cm², max. working pressure = 38kg / cm2, hydraulic test pressure = 240±15°c, fabricated as per drawing / sample and ibr norms. 3 supply, dismantling, fabrication and erection of super heater coils of boiler no. 1a ) supplysuper heater coils – 01nos.coil size – 45mm ( od ) , thickness 4.5mmb ) material specificationc ) coil material should be sa213 t22, fabricated as per drawing / sample and ibr normsd ) dismantling & erection of coils 4 dismantling, supply, fabrication and erection of side header tubes of boiler no. 1 & 2a ) supply, bending and refitting of tubes as per drawing and site requirement. refitting of tubes by expanding in boiler drums with hydraulic testing of boiler total tubes = 50 nos. approx. length of 1 tube = 13 mtr. b ) material specification tubes should be confirming to bs 3059 part 1 erw 320 ( 1978 ) , type size 63.5mm odx3.6thick, min uts 3262kgf / cm², max. working pressure = 38kg / cm2, hydraulic test pressure = 240±15°c, fabricated as per drawing / sample and ibr norms 5 supply, dismantling, fabrication and erection of riser tube of both boiler a ) supplyboiler tube – 40 nos.length of tube – 6mtr ( approx ) tube size – 76.2mm ( od ) , 3.66mm thicknessb ) material specificationtubes should be confirming to bs 3059 part 1 erw 320 ( 1978 ) , min uts 3262kgf / cm², fabricated as per drawing / sample and ibr normsdismantling & erection of tubes 6 supply, dismantling & erection of 6” ibr approved seamless pipe ( schedule-80, for working pressure 32kg / cm² and temp 380°c ) including long bends ( 13nos. ) , reducers ( 6”x8” – 01 no. ) and drain of size 1” approx. length of drain 10feet qty 4 nos. ( as required ) -total length of 6’ pipe line is 54mtr approx.note:-tata / jindal / ti makeb ) the quantity may increase or decrease at the time of execution.