procurement of different types of tube guard and other ss item for unit-5 upcoming o/h, btps , supply , tube guard, straight id 57 mm thk 2 mm for prh & psh top bank, u#5 length 1800 mm, moc : ss304 each item should contain four (04) nos of clamp. , tube guard, straight id 63.5 mm thk 2 mm for prh & psh bottom & middle bank,u#5 length 1800 mm, moc : ss304 each item should contain four (04)nos of clamp. , tube guard for economiser , unit#5 ss tube guard for economizer straight tube, mat: ss-304, size: id: 38.3 mm, thk:3 mm, length:1.25 mtr. each item should contain four (04) nos of clamp. , support for pendant reheater moc ss304 for boiler pressure parts support for pendanr reheater coil having moc ss 304 for unit 5 boiler., drg no- mm(ba) i/55 of ktps , economiser tube guard (90 deg bend), each item should contain four (04) nos of clamp. , tube guard eco i/l hdr stub 45 deg bend spec:bend 90 deg,leg length:660 mm x 460 mm,tube guard id:40mm,thk:3 mm,mat: aisi-304 each item should contain four (04) nos of clamp. , tube guard eco i/l hdr stub 90 deg bend spec: bend 90 deg, leg length:660 mm x 460 mm, tube guard id:40mm thk: 3 mm,mat: aisi-304 each item should contain four (04) nos of clamp. , tube guard, bend id 57 mm thk 2 mm for prh & psh top bank, u#5 bend radious id 239 mm, arc length 376 mm on 90 deg, moc :ss304 each item should contain four (04) nos of clamp.