procurement of different types of mechanical spares to be used in aph, coal mill etc. at stage-1 boiler, sgtpp. , procurement of different types of mechanical spares to be used in aph, coal mill etc. at stage-1 boiler, sgtpp. , leaf, moc: ss304 for hot air damper of u#1&2 ref.drawing.no:sgtp/mechanical/b&a/176 ( all fasteners 8.8 grd tvs/unbreko ) , sealing seat assy, item 19,moc-is2062 for aph modellap 10320/3883 , in two flange halves with fasteners air sealing equipment drg no- sa-dg-406-m-56yr61-20-0 ( 1) machine finished to be done id & od 2) item no 9 20mm thk round clamp plate for each sealing seat 3) all nut bolt washer 8.8 grd tvs/unbreko m12x35 included ) , lance tube,ss304,soot blower aph for soot blower of aph model-lap 10320/3883 soot blower, drawing no. sg-dg-406-m-56yr81-0 of aph model no. lap 10320/3883, nozzle od-16/16/12mm ( protection plate of 3.15 mm thk ss 304 to be stitch weld as per drawing ) , nut & bolt,slotted nut,b&a/42 for ball mill sgtpp shock absorber , flat, thk 12 mm, width 50 mm & l 1.5 m for gratings of aph moc: is 2062 , flat thk 25mm, width 50 mm and l 1.5 m for gratings of aph moc - is 2062 and one end chamfering with 4 mm root hight => limited