Fabrication And Erection Of Conical Portion At Ash Collectingtower , Fabrication Of Tail Pipe Installed At Ash Collectingtower , Barricading Work By Ms Plate At Eco Hopper At Unit11 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 Beamsupport At Ash Collecting Tower Unit 9. , Erection Of 6 Inch Or8 Inch M.S. Pipe From Awrs Intermediate Sump Pit To Ashdam Quantity: 22