tender for annual rate contract of short shutdown related job (as and when require),bktpp for two years- 1 replacement of 80nb ms pipe ;min length ( 06 mtr ) 2 replacement of 100nb ms pipe ;min length ( 06 mtr. ) 3 replacement of 150nb ms pipe ;min length ( 06 mtr. ) 4 replacement of 200nb ms pipe ;min length ( 06 mtr. ) 5 replacement of 250nb ms pipe ;min length ( 06 mtr. ) 6 replacement of 300nb ms pipe ;min length ( 06 mtr. ) 7 removal & refixing of ash intake valve ( of esp hopper with proper checking and replacement of the damaged fluidizing tiles (if minimum 11 nos hoppers checking done at a time. ) 8 removal & refixing of diffuser feeder ( (12x6) of esp hopper with proper checking and replacement of the damaged fluidizing tiles (if minimum 11 nos hoppers checking done at a time. ) 9 trough seal, economiser hopper, eco ( surge hopper and ba hopper checking & cleaning. ) 10 gst extra as applicable