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Home My WebLink AboutNC0005088_Tax Certification_20200505 (2)Photographs in support of pollution abatement tax certification requests DUKE E N E RGY(., 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 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 Holding basin I �-- 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 W 7 1 P a g e PA al ' i i, v w k I' 1 qq r t I!' lII , •�� n lip i '�� yr� io il ]PIPPIN. Cliffside/Rogers lined retention basin Cliffside/Rogers required plant water re-route 101Page Cliffside/Rogers required plant water re-route (continued) -TIM . �� .•�. _ �.. ' few �a?.i!�aiAio��A�w� '��i46..5,� 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 y 4. Im 131Page Marshall Steam station Lined wastewater Retention Basin Marshall Steam station water Redirect componants 141 Page Marshall Steam station FGD Wastewater Treatment System 151Page Mayo Steam plant NPDES permit # NCO038377 Person County Mayo Lined wastewater retention basin 'Awn j 44 161 Page Mayo New FGD wastewater settling basin 171 Page Y - - P- P, OL �� 71 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 aw C 11 R 4i C 20 1 Page Roxboro steam plant dry bottom ash submerged flight conveyer system _T A r : _ to a -�-a�� snfma• Roxboro steam plant FGD wastewater system 211Page