Tender For supply of work of miscellaneous mechanical works in ash handling plant : : - fabrication and erection of conical portion at ash collecting tower , fabrication of tail pipe installed at ash collecting tower , barricading work by ms plate at eco hopper at unit 11 and strengthening work of eco platform in unit 9 and 10. , interconnection of vacuum line of unit 11 to unit 10 , strengthening of seal box of 9b by channel and beam support at ash collecting tower unit 9. , erection of 6 inch or 8 inch m. s. pipe from awrs intermediate sump pit to ash dam