tender for procurement of different types of tube guards, j- bolt, ss rod, membrane strip and aph stoppers for unit-4 overhauling,sgtpp , procurement of different types of tube guards, j- bolt, ss rod, membrane strip and aph stoppers for unit-4 overhauling,sgtpp , tube guard th2.5,ss304 for tube od38.1 # ( tube guard with pair clamp of 30mm width clamp ,each length: 1500mm ) , tube guard th2.5,ss304 for tube od47.63 # ( tube guard with pair clamp of 30mm width clamp moc: ss 304,each length: 1500mm ) , strengthening tube guard thk 2.5 mm for 51od tube for boiler periodical renewal parts length-1500mm and moc - ss304rntube guard with two nos of clamp ( tube guard with pair clamp of 30mm width clamp moc: ss 304, covering angle:170 deg ) , rod, 8mm material: ss-304 # ( each rod equals to 3m length ) , membrane strip boiler unit1 and 2 sgtpp1 ( thickness-6mm, width-16mm and length-2000mm.conforming to is 2062 :2011 grade e275-a. ) , membrane strip,w-95x6mm thk for boiler length- 2m and moc-is 2062 , membrane strip,w-101x6mm thk for boiler side steam cooled wall length- 2m and moc-is 2062 , membrane strip,w-89mmxth-6mmxl-2m,is2062 for second pass steam cooled wall , j bolt with nut,m12,grd 10.9,boiler drum for boiler drum 500mw ( 1 no consist of 1 no j bolt, 1 no cap nut m12, 1 no flat washer-43x25x6 hole dia:14mm & 1 no hex head nut m12. drawing of j bolt attached. ) , rest plate for intermediate basket of saph 30 vim 2000 moc: sailhard ( as per drawing ) , rest plate for intermediate basket ofpaph 27.5 vim 2000 moc: sailhard ( as per drawing ) , stopper plate for intermediate basket of paph/saph, length-1000 mm, width-25 mm, thickness-12 mm, moc: sailhard