tender for boiler fabrication work - dismantling of primary super heater coil (size od 50.8 mm) of thermax make capacity 32tph and 42kg/cm2 pressure and dumping it in the scrap yard.fabricating and erection of primary super heater coil (size od 50.8 mm, thickness 4.06 mm, moc: sa 213 t22) of thermax make capacity 32tph and 42kg/cm2 pressure along with support spacers etc. as per drawing.dismantling of secondary super heater coil (size od 50.8 mm) of thermax make capacity 32tph and 42kg/ cm2 pressure and dumping it in the scrap yard.fabrication and erection of secondary super heater coil (size od 50.8 mm, thickness 4.06 mm, moc: sa 213 t22) of thermax make capacity 32tph and 42kg/cm2 pressure including supports, spacers etc. as per drawing.dismantling and fabrication of skin and roof tubes size 63.5 mm mod of thermax make boiler capacity 32tph and 42kg/cm2 pressure and giving satisfactory hydraulic testing at 73.5 kg pressure dismantling of drum to drum tubes size 50.8 mm.o.d of themax make boiler capacity 32tph and 42kg/cm2 pressure and giving satisfactory hydraulic testing at 73.5 kg pressure.dismantling and erecting of air heater tubes size 63.5 mm.o.d of themax make boiler capacity 32tph and 42kg/cm2 pressure and giving satisfactory trial.dismantling and fabricating of side wall tubes size 63.5 mm.o.d of themax make boiler capacity 32tph and 42kg/cm2 pressure and fabricating and cutting new tubes and giving satisfactory hydraulic testing at 73.5 kg pressure. cutting and removing end cap/end nipple of super heater header size 200 nb of themax make boiler capacity 32tph and 42kg/cm2 pressure and giving satisfactory hydraulic testing after re-installation.cutting and removing end cap/end nipple of side wall header nipple size 100 nb of themax make boiler capacity 32tph and 42kg/cm2 pressure and giving satisfactory hydraulic testing at 73.5 kg pressure after re-installation