contract for various jobs dvn / 2020 / d1-398 / 291 / 3711 lining up of contract for various jobs ( exchangers , bfw condenser , dearator , opening of manhole covers of reformer cold colector , blinding and de-blinding of flanges , e 308 a / b opn hyd blasting & leak test , opn leak test & box-up of e-308 a / b sow , e 311 a / b leak testing & cleaning , opn leak test & box-up of e-311 a / b sow , rate for plugging repair welding as sow , e 353 opn leak test & plugging & box up , opn leak test & box-up of e-353 sow , rate for plugging repair welding as sow , e 312 opn hydro blasting & leak testing , opn leak test & box-up of e-312 as sow , rate for plugging repair welding as sow , b-304 opn box up m / h cover insp repair d , opn boxup m / h 20300# flg & b-db 18300# , rate per day gp for repair / repl inc scaf , opn bx up of m / h of rgb cc & whs of pr , op box up rgb cc m / h cover 20 inch 600 # , op box up rgb cc m / h cover 24 inch 300# , op box up rgb cc m / h cover 20 inch 300# , op box up waste heat sec manhole covers , mech jobs in bfw section amm plant , opn box up of m / h cover b-601 as sow , repair of inter as sow b-601 , opn bx up of bfw drive tn cond as sow , blinding de-blinding of flgs in ammonia , size up to 1 . 5 inches 150# , size 2 to 4 inches 150# , size 6 inch 150# , size 8 inch 150# , size 10 inch 150# , size 12 to 16 inches 150# , size 18 to 20 inches 150# , size 24 inch 150# , size 28 inch 150# , size 30 inch 150# , size 32 inch 150# , size 36 inch 150# , size up to 1 . 5 inches 300# , size 2 to 4 inches 300# , size 6 inch 300# , size 8 inch 300# , size 10 inch 300# , size 12 to 16 inches 300# , size 18 to 20 inches 300# , size 24 inch 300# , size 28 inch 300# , size up to 1 . 5 inches 600# , size 2 to 4 inches 600# , size 6 inch 600# , size 8 inch 600# , size 10 inch 600# , size 12 to 16 inches 600# , size 18 to 20 inches 600# , size up to 1 . 5 inches 1500# , size 2 to 4 inches 1500# , size 6 inch 1500# , size 8 inch 1500# , size 10 inch 1500# , size 12 to 16 inches 1500# , size 18 to 20 inches 1500#