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NC0038377_03_Mayo_CAP Update 2019_Figures Large Sheets_20191231
Corrective Action Plan Update December 2019 Mayo Steam Electric Plant FIGURES (Cap Content Section 10) LARGE SHEETS SynTerra . � y- I �_ ��l III .11" I �K)I)Wf"XOI*� � - I ) ',, �/ - , 4' . i ��lkl�M ,rrr,:--,� --g - ,--,� LEGEND NOTES: ,I �,�', I/ . I I � g_ , lWfN �� � V�� �� I �, , 19I I , � h �� 1. GROUNDWATER LEVELS COLLECTED BY SYNTERRA, APRIL 22 & 23, 2019. ��\ � ,_ 1� �._ 11 - , I I I � � I r 1� - /' 1 -1500 - INFERRED WATER LEVEL IN ALLUVIUM OR SAPROLITE (NAVD 88, FEET) - - - - DUKE ENERGY PROGRESS PROPERTY LINE 2. NOTALL UTILITIESARE IDENTIFIED ON THIS DRAWING. THE UTILITIESSHOWN ON THIS DRAWING I . . I 1, _�,_ AREVISUALAIDSTO LOCATE THE STREAMS AND WETLANDS IN THE FIELD. THE HORIZONTAL . I �l 0 MW-12SI WELL ID IN SURIFICIAL ZONE (ALLUVIUM OR SAPROLITE) - - NORTH CAROLINA -VIRGINIA STATE LINE LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIESAND THE . i I I I'll, I I , - I I �_ 1559.30 WATER LEVEL IN SURIFICIAL ZONE (NAVD 88, FEET) SHOWN LOCATIONS ARE APPROXIMATE. I I : � I . � �,x �� )) - - - RIGHT OF WAY (DUKE ENERGY PROGRESS PROPERTY) "I � � - � �� - � ---- - - 3. THE TOPOGRAPHY IS SH WIN FOR REFERENCE PURPOSES ONLY AND SHOULD NOT BE USED FOR I I , - - I �V� �\ � / C [P1___] PI ZOMETER ID SURIFICIAL ZONE (ALLUVIUM OR SAPROLITE) - - - - ASH BASIN COMPLIANCE BOUNDARY IGN OR ENGINEERING PURPOSES. TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA 11 � �0� / I . 1443-11 WATER LEVEL IN SURIFICIAL ZONE (NAVD 88, FEET) OBTAINED FROM THE NORTH CAROLINASPATIAL DATA SITEAT / 1. p I ___� / & WELL IN ASH PORE WATER - ASH BASIN WASTE BOUNDARY https,.//sdd.nc.gov/sdd/DataDownload.aspx I � 4 I , I -, " � , -_ I z -, - I _,� �� - STREAM (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) ENGINEERS ATTHE TIME OFTHE MAP CREATION. THIS MAP IS A PRELIMINARY JURISDICTIONAL - - - - , � I I , " C-W-3-1 WELL IN TRANSITION ZONE 4. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF I . � I I � - - � S F - 'A� I \ X�l , � -- S% �_ - DETERMINATION ONLY. THE PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE I _ - N ,��� - - 1) /"X �11 �_ SEE NOTE 4. - - )),) �o��_ �� s WELL IN BEDROCK OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL& INFRASTRUCTURE, INC. - , . � �� 1z, I - , ��YRF�X/'� I _ �___ _41- SURFACE WATER FLOW DIRECTION NATURAL RESOURCE TECHNICAL REPORT (NRTR) FOR MAYO STEAM ELECTRIC PLANT DATED - -, I I ) ,��" , - 1, , ___ 'IELD BRANCH � � ) �___ _. -_ . _. .. JANUARY 2014 AND UPDATED ON JULY 11, 2018 TO REMOVE ONE PREVIOUSLY MISIDENTIFIED . , `�_� & ABANDONED/ DAMAGED 1\\\\\\\\\= ASH BASIN FREE POINDED WATER (NPDES REGULATED) WETLAND NEAR THE ASH BASIN DISCHARGE CHANNEL. I .� 1� � � , \ �, ., I , ` , -/, �/, � � 1\� __ - -_ , ,��( ((( � � c PIEZOMETER IN ASH PORE WATER I I I I I I I I I I I I I I I I I I I I I 1= NPIDES REGULATED WATER FEATURE 5. AREA OF INVESTIGATION THAT DETERMINED SETTLED CCR MATERIAL IS NOT PRESENT IN THS �, __ f� �l A OF THE ASH BASIN. A FUTURE REPRESENTATION ASH BASIN WASTE AND COMPLIANCE el�ll�� r I C � PIEZOMETER IN BEDROCK I BOUNDARY IS INCLUDED IN THE MAYO NPIDES PERMIT NCO038377 PART 1, 5.A. (18.) 'p- � , _1� j V, �,__'_�____�� - I - I � � � = WETLAN D BY AM EC FOSTER WHEELER ATTACHMENT B FIGURE 1.1 DATED JULY 13, 2018. / ( � ( - C FP 17A PIEZOMETER IN EARTH DAM (FILL) / �_l ______��___ . wi"'�� / . '� ,_ STREAM BY AMEC FOSTER WHEELER 6. 2017 AERIAL PHOTOGRAPH WAS OBTAINED FROM NC ONE MAP GEOGRAPHIC DATA AT // I - *�11_j � � I � c ABAN DON ED / DAMAG ED https,.//nconemap.maps.arcgis.com/apps/MapSeries/. �) I //// � , __ - I., ____ _____ All ____======= CULVERT LOCATION 1� - __:� 7. ALL BOUNDARIES ARE APPROXIMATE. - - � � 1, v ... � 8. WATER ELEVATION DATA WAS COLLECTED PRIOR TO THE START OFASH BASIN DECANTING. 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DUKE 300 0 150 300 600 -;�l - I _� L 11 1, ��� 1009--_� I � V� lw -, , `N I r / � � - -->- /Ull 7 1 � � � - , ,��_-�--_�_-__� - � ) � I 11 ; , ,) � I (IN FEET) FIGURE 5-4a _� _�� � ;g � '�' _- ENERGY __��,_ �,_�_�___ _��� ___ ll� _71�� _� _� �� I ,� " I - II. . ______________�:_ _-_,_1 % f- - ____�� I - ') 'i I vs �_\\ t � f,)�\\ WATER LEVEL MAP -11 - . --, - \1 __/� 1) , � � 1, _11,1/1 I/ ) - . - - ___ __ I PROGRESS DRAWN BY: J. CHASTAIN DATE: 2/21/2018 SURFICIAL FLOW ZONE " \�,\ - // 'I- *\ y DATE: 12/5/2019 I � / . -��_- __ ,/ REVISED BY: C. NEWELL (APRIL 22 & 23, 2019) 11 - ,-- I I I , " /_/, \ z , �� �. r, r_�l CHECKED BY: P. ALTMAN DATE: 12/5/2019 CORRECTIVE ACTION PLAN UPDATE I � � -b�,,_ " � I Ir j I �, I � z I APPROVED BY: P. ALTMAN DATE: 12/5/2019 MAYO STEAM ELECTRIC PLANT z � I r; ) - : 1 141P PROJECT MANAGER: J. WYLIE I \ ) - � � � (__ II � � - - - ROXBORO, NORTH CAROLINA , I � , _� - - I �ii ,� I . � I I �l , -1 1, f www.synterracorp.com - f d 11 - , ",7��' - �" I L_�� \F I � _�,� \N%�S I C� �`_����n@��\�__ 16/i/I \\ L . �,� - ,\�, I synTerra I I �_ "lil�NNk I -1 I 1- �_ I �j - � I � ��\�Z� \�x\\\\\\\\\\\\\\N���,� � LEGEND NOTES: 1. GROUNDWATER LEVELS COLLECTED BY SYNTERRA, APRIL 22 & 23, 2019. —500 INFERRED WATER LEVEL IN TRANSITION ZONE (NAVD 88, FEET) DUKE ENERGY PROGRESS PROPERTY LINE 2. NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS TO LOCATE THE STREAMS AND WETLANDS IN THE FIELD. THE HORIZONTAL -3 WELL ID IN TRANSITION ZONE NORTH CAROLINA -VIRGINIA STATE LINE LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE. CW 423.45 WATER LEVEL IN TRANSITION ZONE (NAVD 88, FEET) RIGHT OF WAY (DUKE ENERGY PROGRESS PROPERTY) 3. THE TOPOGRAPHY IS SHOWN FOR REFERENCE PURPOSES ONLY AND SHOULD NOT BE USED FOR DESIGN OR ENGINEERING PURPOSES. TOPOGRAPHY IS BASED ON LIDAR BARE E WELL IN ASH PORE WATER ASH BASIN COMPLIANCE BOUNDARY OBTAINED FROM THE NORTH CAROLINA SPATIAL DATA SITE AT WELL IN ALLUVIUM OR SAPROLITE https*.//sdd.nc.gov/sdd/DataDownload.aspx WELL IN BEDROCK ASH BASIN WASTE BOUNDARY STREAM (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS A PRELIMINARY JURISDICTIONAL 4. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF DETERMINATION ONLY. THE PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE ABANDONED/ DAMAGED SEE NOTE 4. OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL & INFRASTRUCTURE, INC. c PIEZOMETER IN ASH PORE WATER SURFACE WATER FLOW DIRECTION NATURAL RESOURCE TECHNICAL REPORT (NRTR) FOR MAYO STEAM ELECTRIC PLANT DATED JANUARY 2014 AND UPDATED ON JULY 11, 2018 TO REMOVE ONE PREVIOUSLY MISIDENTIFIED -CRUTCHFIELD BRANCH [\\\\\\\\\\\A ASH BASIN FREE PONDED WATER (NPDES REGULATED) WETLAND NEAR THE ASH BASIN DISCHARGE CHANNEL. 4/ C PIEZOMETER IN BEDROCK 5. AREA OF INVESTIGATION THAT DETERMINED SETTLED CCR MATERIAL IS NOT PRESENT IN THS C FP1_Aj PIEZOMETER IN EARTH DAM (FILL) Iiiiiiiiiiii NPIDES REGULATED WATER FEATURE REAOFTHEASH BASIN. A FUTURE REPRESENTATION ASH BASIN WASTE AND COMPLIANCE BOUNDARY IS INCLUDED IN THE MAYO NPDES PERMIT NCO038377 PART 1, 5.A. (18.) c ABANDONED/ DAMAGED I WETLAN D BY AM EC FOSTER WH E E LE R ATTACHMENT B FIGURE 1.1 DATED JULY 13, 2018. WATER SUPPLY WELL STREAM BY AMEC FOSTER WHEELER 6. 2017 AERIAL PHOTOGRAPH WAS OBTAINED FROM NC ONE MAP GEOGRAPHIC DATA AT CULVERT LOCATION https*.//nconemap.maps.arcgis.com/apps/MapSeries/. A OUTFALL 002 NPIDES OUTFALL (APPROXIMATE) 7. ALL BOUNDARIES ARE APPROXIMATE. TOPOGRAPHIC CONTOUR (10'INTERVAL) 8. WATER ELEVATION DATA WAS COLLECTED PRIOR TO THE STARTOFASH BASIN DECANTING. <7 TOPOGRAPHIC CONTOUR (2 INTERVAL) GROUNDWATER FLOW DIRECTION BEAVER POND L Ww VIRGINIA HALIFAX COU NTY,VA J I e j I I NORTH CAROLINA - PERSON COUNTY, GA _5 T - ------ T MOW". 60'MAYO LAKE ROAD R T-OF-WAY RUTCHFIELD IGH A kBRANCH AK x7- RT IMW-103BRL �- *. I " 11 CULV R c;H-103ul T F 'A A CZ 11 440�� wow k FM W-_21 CCR-109BR 717" NAMED BRANCH 77 7_17�_�_ _11— _-—Al lk OXCULVERT FC—W-51 j� 4 0 R CW-2 CULVERT CR-105BR 376.62 C( E pUFI—o-5-51 FD Lt2j 382.23 FMW-3 CCR-105S MW-105BRM —420�� W-105 GRATE J�l 24" RCP TRAIN STOP D C�_R' fFGD-13D 1435.54 5" -12 FFGD-2D]�& 1462.80 E FGD 69 X, 0 D :B:R:] FGDABR AAn uj /31 /F FGD SETTLING BAS I N F Jul (WASTEWATER TREATMENT) 5 448.3 4, QIF [MLAW�-17B R C 4 ji �c APPROXIMATE 1981 C&D LANDFILL AREA (CLOSED) 'y' &IMW-13BR � !,; -z %. `4y LOST IN SETTLING EVENT 00 0 ;�'�_, — / .. - R Fm) SEPTEMBER 2019. 100 V, 4)1) 4- j CTI CCP MONOFILL_�-'_ I m I RAN C GATE b, \\\t 61i 0 JL MIJ — — ------- HA r FGD FORWARD 4A LUSH POND J, T 4 L/ Szo 1473.971 AW-18D ABMWAD ETTLING PON mw .48 FABMW-41 LINED RETENTION BASIN AREA � 9m, 100OF ESERVOIR MAYO R WIL 433' Q-, FM_W_L_R_B-_11 510 0 3 o T A4 LA�'_ 520 b L r -cl 7 _J3��' —4 �460 7 'zi, ?I RAW WATER oxi, GYPSUM PAD STORAGE _cl AREA Mw LRB-31 0 J7_7 xll=�` POWERPL C z� -0 v PPROXIMATE FUTURE ASH BASIN WASTE BOUND (SEE NOTE 5, THIS DRAWING) A 3, .57 w 45 RIGHT OF WAY COA1 A E PILE AREA A 523.341— w ......... . c N" 0 0 ?o I ; i �� - * . — V c C, �jju c _h, 5 3 iUARD HOUSE C�A - k4D _ILL 001, If 1V j j 10) T A LANT AC D GUL R cl 6 :f� �M 4 -1116 70"? v�� 1-1002 "'y" p 4w GRAPHIC SCALE DUKE )A �11 300 0 150 300 600 FIGURE 5-4b ENERGY (IN FEET) WATER LEVEL MAP PROGRESS TRANSITION FLOW ZONE DRAWN BY: J. CHASTAIN DATE: 2/21/2018 REVISED BY: C. NEWELL DATE: 10/18/2019 (APRIL 22 & 23, 2019) CHECKED BY: P. ALTMAN DATE: 10/18/2019 CORRECTIVE ACTION PLAN UPDATE APPROVED BY: P. ALTMAN DATE: 10/18/2019 MAYO STEAM ELECTRIC PLANT PROJECT MANAGER: J. WYLIE ROXBORO, NORTH CAROLINA zf� synTerra www.synterracorp.com � i A LEGEND NOTES: 1. GROUNDWATER LEVELS COLLECTED BY SYNTERRA, APRIL 22 & 23, 2019. 500 INFERRED WATER LEVEL IN BEDROCK ZONE (NAVD 88, FEET) DUKE ENERGY PROGRESS PROPERTY LINE 2. NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUAL AIDS TO LOCATE THE STREAMS AND WETLANDS IN THE FIELD. THE HORIZONTAL MW-2 WELL ID IN BEDROCK ZONE NORTH CAROLINA -VIRGINIA STATE LINE LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE 436.58 WATER LEVEL IN BEDROCK ZONE (NAVD 88, FEET) SHOWN LOCATIONS ARE APPROXIMATE. RIGHT OF WAY (DUKE ENERGY PROGRESS PROPERTY) 3. THE TOPOGRAPHY IS SHOWN FOR REFERENCE PURPOSES ONLYAND SHOULD NOT BE USED FOR WELL IN ASH PORE WATER ASH BASIN COMPLIANCE BOUNDARY DESIGN OR ENGINEERING PURPOSES. TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROMTHE NORTH CAROLINA SPATIAL DATA SITE AT https://sdd.ne.gov/sdd/DataDownload.aspx WELL IN ALLUVIUM OR SAPROLITE ASH BASIN WASTE BOUNDARY S FCW-3] WELL IN TRANSITION ZONE 4. THEWATERS OFTHE US DELINEATION HAS NOT BEEN APPROVED BYTHE USARMYCORPS OF STREAM (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) ENGINEERS AT THETIME OF THE MAP CREATION. THIS MAP IS A PRELIMINARY JURISDICTIONAL ABANDONED/ DAMAGED SEE NOTE 4. DETERMINATION ONLY. THE PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL & INFRASTRUCTURE, INC. PIEZOMETER IN ASH PORE WATER SURFACE WATER FLOW DIRECTION NATURAL RESOURCE TECHNICAL REPORT (NRTR) FOR MAYO STEAM ELECTRIC PLANT DATED HFIELD RANCH'� JANUARY 2014 AND UPDATED ON JULY 11, 2018 TO REMOVE ONE PREVIOUSLY MISIDENTIFIED WETLAND NEAR THE ASH BASIN DISCHARGE CHANNEL. PIEZOMETER IN BEDROCK ASH BASIN FREE PONDED WATER (NPDES REGULATED) C [P-1-Al PIEZOMETER IN EARTH DAM (FILL) I I I I I I I I I I I I I I I I I I I I I 1= NPDES REGULATED WATER FEATURE 5. AREA OF INVESTIGATION THAT DETERMINED SETTLED CCR MATERIAL IS NOT PRESENT IN THS AREA OF THE ASH BASIN. A FUTURE REPRESENTATION ASH BASIN WASTE AND COMPLIANCE BOUNDARY IS INCLUDED IN THE MAYO NPIDES PERMIT NCO038377 PART 1, S.A. (18.) c ABANDONED/ DAMAGED WETLAND BY AMEC FOSTER WHEELER ATTACHMENT B FIGURE 1.1 DATED JULY 13, 2018. WATER SUPPLY WELL STREAM BY AMEC FOSTER WHEELER 6. 2017 AERIAL PHOTOGRAPH WAS OBTAINED FROM NC ONE MAP GEOGRAPHIC DATA AT OUTFALL 002 NPDES OUTFALL (APPROXIMATE) CULVERT LOCATION https://nconemap.maps.arcgis.com/apps/MapSeries/. "Do 7. ALL BOUNDARIES ARE APPROXIMATE. 540- TOPOGRAPHIC CONTOUR (10'INTERVAL) 8. WATER ELEVATION DATAWAS COLLECTED PRIOR TO THE START OF ASH BASIN DECANTING. TOPOGRAPHIC CONTOUR (21 INTERVAL) 9. 1 N M ON ITO R I NG WELL CLUSTE IRS WITH M OR E THAN 0 N E B EDROCK WE ILL, WATE R ELEVATI 0 N 0)). DATA FROM THE MOST SHALLOW BEDROCK WELL IS USED FOR WATER LEVEL CONTOURING. GROUNDWATER FLOW DIRECTION BEAVER POND HALIFAX COUNTY,VA '<7 7' . ....... ,, 7�7- �� '77 �7- �77 7 INUM I M k,/AriUL-I INA _RSON g, kNN4- �\ Lll�l C' 48 0 RIGHT-OF-WAY -4 rx Ld . ..... .. Q �f IM-16-S] 430 7 CULVER 'CRUTCHFIELD WAll IIVIvV__Luljt5I(Ljll""4" BRANCH MW-1413R� *7- IL;UH- IU8 'llo 5 /7 %C BOX CULVERT M P NNAIVIED B po RANCH CCR-104BR FCW-5 1409.00 ji 1505.93 N-t 'W r - 7 L�o� 13CCR-1306BR r5l�-�2513R] 76.2 -2D UULVr-r\ I -<A I E FC `W2� - I __ ___ m y 5 MW-3 F co TRAIN STOP _\J & 49 fl GRATE Az� FS-2A IFGD-3BR 6 RCP lk FcW 1462.52 CCR-102 509.69 FGD-14BRII 1455.44 IFGD-13D FGD-13BR CIO co r 0' HWY. 501 &-76R - RIGHT OF WAY D-5 -5BR FGD SETTLING BAE)IN 44266 433.89 '18o ji, -GD-6 (WASTEWATER TREATM F Nk�EZ' 461.� x A �00 APPROXIMATE 7 1981 C&D LANDFILL AREA "y W-13BRI (CLOSED) E 501.73 470 0 _i3l) L. 1-i 1.� 1 11 L. I I L. I I N1 k_7 L. V L. 1 1 MW-9BRL sc 9BR MW 5B 147� 2 475.45 3_)o A180 CCP MONCIFILL 1,C) ENTRANCE GATE 'J, C, HAUL F` c FORWARD Al FLUSH POND v 1483.02 p CW-1-R] 6473 z Fcw-ll MW-18BRI "I, 505.31 SETTLING PO 10ow f rc 7, m -19 19OR-] MAYO RESERVOIR WL 433' OUTFALL 002 CMF #2 r 77 # vivv- 1501.81 RkWWAT 41� INTAKE N) oi, / / A%/z v, 31 POWERP ANT yS, p z� -101S-BG "S. )URIGHT Or VVMT R N (12N 0 '0' ob p MW_1113R� c 1492.97 �11 Qol� u f -rig, -OUTFALL 001 'PUARD HOUSE u_ 4 DEP-2 rcl A, - Ron= 7, 480, \ 'I&NN 4v.c F 71 4v 10 � %wl, GRAPHIC SCALE JKE 300 0 150 300 600 (IN FEET) FIGURE 5-4c r-NERGY WATER LEVEL MAP DGRESS DRAWN BY: J. CHASTAIN DATE: 2/21/2018 BEDROCK FLOW ZONE DATE: 12/5/2019 REVISED BY: C. NEWELL (APRIL 22 & 23� 2019) CHECKED BY: P. ALTMAN DATE: 12/5/2019 CORRECTIVE ACTION PLAN UPDATE APPROVED BY: P. ALTMAN DATE: 12/5/2019 PROJECT MANAGER: J. WYLIE MAYO STEAM ELECTRIC PLANT ROXBORO, NORTH CAROLINA :Z Nerra www.synterracorp.com -JA