procurement of different size of protection shield for boiler of unit no. 1 to 4, phi and ii, at sgtps, mppgcl, birsinghpur , inside 900 shield for economiser with 03 clamps. material:- ss 304, as per drawing no. sgtps/bmd-ii/001 , outside 900 shield for economiser, with 03 clamps. material:- ss 304 as per drawing no. sgtps/bmd-ii/002 , economizer straight protection shield with 03 clamps. (id=38.2; od=42.2; length= 2000mm) material:- ss 304 as per drawing no.- sgtps/bmd-ii/003 (s.no.1) , primary super heater straight protection shield with 03 clamps, (id=51.2; od=55.2; length= 2000mm) material:- ss 304 as per drawing no.- sgtps/bmd-ii/003 (s.no.2) , horizontal re-heater protection shield (id=63.7; od=67.7; length= 2000mm), material:- ss 304 as per drawing no.- sgtps/bmd-ii/003 (s.no.3) , screen tube (water wall) protection shield with 03 clamps, (id=66.9; od=70.9; length= 2000mm) material:- ss 304 as per drawing no.- sgtps/bmd-ii/003(s.n 04) , screen tube (cage wall) straight protection shield with 03 clamps. (id=44.7; od=48.7; length= 2000mm), material:- ss 304 as per drawing no.- sgtps/bmd-ii/003(s.n 05) , sling tube protection shield (id=76.3; od=80.3; length= 2000mm)material:- ss 304 as per drawing no.- sgtps/bmd-ii/003(s.n 06)