procurement of bottom loop of platen super-heater coils , swaged tubes of front cage wall and re-heater and locks of pendant re-heater coils of boiler of unit no . 3 and 4 , at , sgtps , mppgcl , birsinghpur , on single offer basis . , complete bottom loop of platen super-heater coils from p4 to z2 ( as per drawing no . 0811/3323 ) material . -bs3059-1978:pt2:;622-490-s1-cat2/ sa 213 gr . t22size 38 . 1x6 . 3 , swaged tubes of front cage wall ( 63 . 5 mm x 5 . 6 mm thk , tube swaged to 44 . 5 mm x4 . 5 thk ) material . - bs 3059-1978:pt2:620-s1-cat2 , swaged tubes of horizontal re-heater ( 63 . 5 mm x 4 mm thk , tube swaged to 51 mm x4thk ) material . - bs 3059-1978:pt2:620-s1-cat2 , locks of pendant re-heater coils ( part no . i & ii of item no . 5 ) bs 1648 gr . e/ sa 351 gr . ch 20 , locks of pendant re-heater coils ( part no . i , ii & iii of item no . 6 ) bs 1648 gr . e/ sa 351 gr . ch 20