procurement of various type of erosion protection shield for boiler pressure parts of unit no. 1 and 2 at 2x600mw sstpp, mppgcl, dongalia , straight erosion protection shieldalong with clamps for water wall screen tubes [tube size: - 63.5 mm (od) x 7.1 mm (thk.)], shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm. note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , straight erosion protection shield along with clamps for economiser tubes[tube size: - 38.1 mm (od) x 5.3 mm (thk.)], shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm.note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , erosion protection shield along with clamps for economiser tubes ( 90 ° bend tubes) :- shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm.note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , inner bend ( 90 °) , outer bend ( 90 °) , straight erosion protection shield along with clamps for low temperature (ltsh)tubes[tube size: - 51.0 mm (od) x 6.0 mm (thk.)], shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm.note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , erosion protection shield along with clamps for low temperature (ltsh)tubes ( 90 ° bend tubes) [tube size: - 51.0 mm (od) x 6.0 mm (thk.)], shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm. note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , inner bend (90 °) , outer bend(90 °) , erosion protection shield along with clamps for low temperature (ltsh)tubes ( as per attached drawing-a) [tube size: - 51.0 mm (od) x 6.0 mm (thk.)], shielding material: - ss 316, thickness of shiled: - 3.0 mm, length of shield - 1000 mm. note: - shielding along withss clamps ( 1 meter shield=3 nos. clamp). , inner bend , outer bend , erosion protection shield for welded bifucate boiler tubes [ tube size:- 51 mm (od) x 6.3 mm (thk.) ] [ 500 no. inner + 500 no. outer] , shileding material:- ss 316, thickness of shiled :- 3.0 mm, lenghth of shiled - 1000 mm.note: - (i) shielding along withss clamps ( 1 meter shield=3 nos. clamp)(ii) the shielding must be as per attacheddrawing of welded bifurcate.[annexure-b] , inner bend , outer bend -i , outer bend -ii