ttps mech.ii bm unit ii - removal of ash accumulated over the mechanical dust collector path a,b,c and d and id fan a and b suction side ducts and welding the eroded weld joints in the mechanical dust collector path a, b, c and d and suction side duct of id fan aandb, cleaning the ash deposited below the pa, fd and id fans and in airpreheater guide bearing area and overhauling of air and flue gas dampers and actuators in unit-ii aandb pass during overhauling for the year 2020 - 2021. note: prospective bidders may get the specification free of cost by down loading from tangedco website