(A) Yearly Cleaning Of A...Ll Equipments Pipeline Ducts Walls Floors Washrooms Turbine Hall Boiler House Main Control Building Network Control Building & Other Buildings Etc. Of Barapukuria 275 Mw Power Station (Unit -3). (B)Yearly Carrying Including Loading /Unloading Of Different Types Of Chemicals/Goods/Wastage Coal/Salt Etc.(C) Yearly Removing Sludge And Deposited Silt At The Bottom Of All Water Reserved Tank In Chemical Plant Of Barapukuria 275Mw Thermal Power Station 3Rd Unit Bpdb Dinajpur. More