ttps - mech.ii - ahp - attending maintenance works in ash slurry sump strainers at ash slurry pump house - removal of clinkers and debris to avoid choking in ash slurry pump and ash disposal pipelines of unit -i and ii for the period of work on or after 08.10.2019 and upto 31.03.2020 note: prospective bidders may get the specification free of cost by down loading from tangedco website. .