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Home My WebLink AboutNC0005088_Tax Certification_20200520 (3)Photographs in support of pollution abatement tax certification requests DUKE ENERGY(., May 5, 2020 Table of Contents Allen steam station (NC0004979 Gaston County)....................................................................................... 2 Drybottom ash...............................................................................................................................2 LinedRetention Basin.....................................................................................................................3 Plantwater re-route.......................................................................................................................4 Belews Creek station (NC0024406 Stokes County)..................................................................................... 5 Drybottom ash......................................................................................................................................... 5 LinedRetention Basin............................................................................................................................... 6 Plantwater re-route.......................................................................................................................7 Dryfly ash handling upgrades..........................................................................................................8 Cliffside (Rogers) station (NC0005088 Rutherford/Cleveland County) ...................................................... 9 Drybottom ash......................................................................................................................................... 9 LinedRetention Basin............................................................................................................................. 10 Plantwater re-route................................................................................................................10-11 New active wastewater treatment system......................................................................................12 Marshall steam station (NC0004987 Catawba County)............................................................................13 Drybottom ash....................................................................................................................................... 13 LinedRetention Basin............................................................................................................................. 14 Plantwater re-route.....................................................................................................................14 FGD wastewater treatment systems..............................................................................................15 Mayo steam plant (NC0038377 Person County).......................................................................................16 LinedRetention Basin............................................................................................................................. 16 NewFGD settling basin........................................................................................................................... 17 Plantwater re-route.....................................................................................................................18 Roxboro steam plant (NC0003425 Person County)..................................................................................19 LinedRetention Basin............................................................................................................................. 19 Plantwater re-route.....................................................................................................................20 Drybottom ash....................................................................................................................................... 21 FGD wastewater treatment systems..............................................................................................21 1 1 P a g e Allen Steam station NPDES permit # NC0004979 Gaston County Allen station dry bottom ash handling submerged flight conveyer IW 2 1 P a g e Allen station Lined wastewater retention Basin Primary cells 3 1 P a g e Allen station required plant water re-route component examples Water re-route piping and sump example 4 1 P a g e Belews Creek Steam station NPDES permit # NCO024406 Stokes County Belews Creek dry bottom ash submerged flight conveyer 5 1 P a g e Belews creek Lined wastewater retention basin 6 1 P a g e Belews Creek required plant water re-route component examples Mt 7 1 P a g e - � MI: 12 I III ' I' oar.,.• u 1� �._—� �. �� •�. -ail , oil Rol Ilk jr ;.mkk *ter 00 1 -VAI SA, Mi I vm� mou Cliffside/Rogers lined retention basin Cliffside/Rogers required plant water re-route 101Page Cliffside/Rogers required plant water re-route (continued) Li .1 111 Page Cliffside/Rogers new active wastewater treatment system 121 Page Marshall Steam station NPDES permit # NC0004987 Catawba County Marshall Steam station dry bottom ash handling Submerged Flight Conveyor s�-jIll1 A - C 131Page Marshall Steam station Lined wastewater Retention Basin Marshall Steam station water Redirect componants C . 1 � IL 141 Page Marshall Steam station FGD Wastewater Treatment System 151Page Mayo Steam plant NPDES permit # NCO038377 Person County Mayo Lined wastewater retention basin 161 Page Mayo New FGD wastewater settling basin 171 Page Mayo wastewater re-route system components 181 Page Roxboro Steam plant NPDES permit # NC0003425 Person County Roxboro Lined wastewater retention basin 191 Page Roxboro steam station required plant water re-route system components '. i I I 20 1 Page Roxboro steam plant dry bottom ash submerged flight conveyer system .., Roxboro steam plant FGD wastewater system a 211Page