NC0004979_03_Allen_CAP Update 2019_Figures_Large Sheets_20191231

Corrective Action Plan Update December 2019
Duke Energy Carolinas, LLC - Allen Steam Station
FIGURES
(CAP Content Section 10)
LARGE SHEETS
SynTerra

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LOCATIONS OF EXTRACTION WELLS, INJECTION I
I I / AB-41SS r EX-19 WELLS,PIPING, AND TANKS, MAYBE ADJUSTED PROPOSED EXTRACTION EX-71 I
DUE TO THE DENSITY OF UTILITIES AND COLLECTION AND PUMP STATION
INFRASTRUCTURE IN THE REMEDIAL AREA
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EXTRACTIONPOSED COLLECTION AND PUI STATION
EX46&EX-58
LOCATIONS OF EXTRACTION WELLS, INJECTION
6 ° ° O �II� WELLS,PIPING,AND TANKS, MAYBE ADJUSTED
DUE TO THE DENSITY OF UTILITIES AND
1 INFRASTRUCTURE IN THE REMEDIAL AREA
EX-47 & EX-59
z °o �d � • 00 a , D
- - - - - - - o -. / / / °•o o I o I EX-48 & EX-60
EX--50 & EX-62
• . ° ° /� / / ° �'� o ` a' EX-49 & EX-61
/ / a jJ / _ Q ' a �-✓ a8 g�o ° I EX-51 & EX-63
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EX-52 & EX-64 f AB-10BRL
° e // d o, P. I I �E _gg 8 AB 10S � IIIIIIIIilllll i
CULVERT 1
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LEGEND
Ex-68 PROPOSED EXTRACTION WELL IN BEDROCK — DUKE ENERGY CAROLINAS PROPERTY LINE a �• AB-22S EX-55&EX-67
Exa1 PROPOSED EXTRACTION WELL IN SAPROLITE-TRANSITION ZONE - —ASH BASIN COMPLIANCE BOUNDARY ° ° °� o o Q o off° AB 22D f III II � I
NPDES OUTFACE 104
O Ex-�5 85 BEDPROPOSED EXTRACTION WELL CLUSTER BurE-rRANsmoN WELL
EXBEDROCK WELL ACTIVE ASH BASIN WASTE BOUNDARY o �e "ate p AB-22BRL I
o b � o ° • ° d �° ,- � I I I
EX-56&I Q
® IW-29 PROPOSED CLEAN WATER INFILTRATION WELL IN SAPROLITE-TRANSITION ZONE - — — — RETIRED ASH BASIN WASTE BOUNDARY-6s
AB-25S WELL IN ASH PORE WATER
RETIRED ASH BASIN LANDFILL WASTE BOUNDARY
AB-25SS WELL IN SHALLOW ZONE RETIRED ASH BASIN ASH LANDFILL COMPLIANCE BOUNDARY °°
I $
� AB-24D WELL IN DEEP ZONE °o
DORS FILL BOUNDARIES d II CULVERIT 1 I NPDES OUTFALL 103
AB-27BR WELL IN BEDROCK ZONE o ° p I Ex-57& I
0 SURFACE WATER (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) {p ° °° A Ex-6s PROPOSED EXTRACTION
GWA-5BR WELL ABANDONED ° ° s 4� p II COLLECTION AND PUMP STATION
EFFLUENT CHANNEL (APPROXIMATE) [NON -JURISDICTIONAL] d p > °, ° I 1
C OW-20 PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® ASH BASIN PONDED WATER (APPROXIMATE)
48" HDPE DISCHARGE PIPE
0W2 NESTED PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® NPDES REGULATED PLANT WATER p ° o o ; DISCHARGE TOWER WAS I �_
NPDES y NPDES REGULATED PLANT WATER FLOW DIRECTION � ov ° a a� ° °° SP�oWAYS RREPLACED
CTU EIN20,BH SPILLWAY 1
� ouTFALL o02 NPDES OUTFACE (APPROXIMATE) Q R STAIRS
PROPOSED
PROPOSED CLEAN WATER INFILTRATION LINE RIP RAP wo �' a° ° bg ��� °�. - II - NPDES OUTFALL 002
TOPOGRAPHIC CONTOUR (10' INTERVAL)
CLEAN WATER INFILTRATION FLOW DIRECTION
TOPOGRAPHIC CONTOUR (2' INTERVAL)
PROPOSED WELL EXTRACTION COLLECTION LINE ° ' ° a• a ° bQ ° /i / PROPOSED TIE IN FROM EXTRACT[
o �° -�g= °�'e l��• // GROUNDWATERTREATMENTSYST
s -Ilm- WELL EXTRACTION WATER FLOW DIRECTION ° °'a o. ••`3 =�'°o �"" � - P / `- - ------______= �� �� /� °
PROPOSED WELL EXTRACTION MAIN LINE CCR-20S
°
WELL EXTRACTION MAIN LINE WATER FLOW DIRECTION P ° ° �? • o db° w / _ //� O
PROPOSED EXTRACTED
NOTES: 8
a o p. 1 // GROUNDWATER TREATMENT SYSTEM
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1. 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 4 ' ,'a D . 6 • \ /
FIELD. THE HORIZONTAL LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE.°_
/ o
2. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT
http://fris.nc.gov/fris/Download.aspx?PIPS=031&ST=NC&user=General%20PubIicANDADRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION
BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_ALLEN-FINAL _10-30-15.DWG n /j/✓� o
/ r
3. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I,
PROJECT NUMBER 7235-14-011, DATED 06-16-2015. / r o ° b
/ o
4. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO
BE USED FOR JURISDICTIONAL DETERMINATION PURPOSES. THE WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM AMEC FOSTER WHEELER NOT FOR CONSTRUCTION61 a ° ENVIRONMENTAL & INFRASTRUCTURE, INC. NATURAL RESOURCE TECHNICAL REPORT FOR ALLEN STEAM STATION DATED MAY 29, 2015.
GRAPHIC SCALE
DUKE 200 0 50 200 400 CCR-22S '- - � szo GWA-2
CCR-22D o ' GWA-2S i
(IN FEET) FIGURE ES-3a
� ENERGY
PROPOSED CORRECTIVE ACTION APPROACH
CAROLINAS DRAWN BY: J. CHASTAIN DATE: 12/14/2019 WELL SYSTEM LAYOUT \0 GWA1D
REVISED BY: - DATE:-
VERTICAL WELLS ONLY GWA-1BR ° /
CHECKED BY: B. GREEN DATE: 12/14/2019 CORRECTIVE ACTION PLAN UPDATE
1410 APPROVED BY: B. GREEN DATE: 12/14/2019 ALLEN STEAM STATION d ° °
PROJECT MANAGER: C. SUTTELL BELMONT, NORTH CAROLINA �� ° °oo A C,
°
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LOCATIONS OF EXTRACTION WELLS, INJECTION
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IW-10 EX-78
\\\ NPDES OUTFALL
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PROPOSED EXTRACTION
COLLECTION AND PUMP STATION
\ \ • IW-14 D ° IW-21 IW-23 \-76
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LOCATIONS OF EXTRACTI
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°-*- '\ / / ✓ \ \ _13 EX-14 EX-851 4 \1 \\ I INFRASTRUCTURE IN THE
-�•"-.--"- - � EX-83 \
1 I EX-4
1.) THE WELL DEPICTION IS CONCEPTUAL HORIZONTAL
WELLS CAN BE BOTH SINGLE AND DOUBLE ENTRY (FIGURES \\
6-28d AND 6-28e). SHOULD HORIZONTAL WELLS BE USED AT a HORIZONTAL WELL PAIRS. ONE LOCATED
ALLEN, THE DETERMINATION OF SINGLE ENTRY, DOUBLE Q APPROXIMATELY 40' BGS AND THE OTHER 90' BGS
ENTR EACH
CONCE
PTUAL
IO WILL RIZONT E MADE LATER. /
EACH CONCEPTUAL HORIZONTAL WELL ON THIS FIGURE
CCR-3S N REPRESENTS A PAIR OF HORIZONTAL WELLS THAT WOULD BE
I
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o EX-16 2 �rr � INSTALLED IN THE SHALLOW AND DEEP FLOW ZONES.
C I 04
N N N N 2 =
= I = 2 2 p ti I
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\ N N N N N N N \ I PROPOSED
TIE INTO FIRE WATER LINE (APPROXIMATE) � � - GWA-6BR � � �\ I x � _� _� INx_1x� x� -xr =� = I • >�
CCR-1D I \ / \ MAIN COAL PILE + \
tx-6
THE TOPOGRAPHY IN THE MAIN COAL PILE I Y
A-18S I °� / CCR-4D — \ GWA-30S AND HOLDING BASIN AREA IS APPROXIMATE 1
LOCATIONS OF EXTRACTION WELLS, INJECTION I II I
WELLS,PIPING ANDTANKS MAYBEADJUSTED I HOLDI�
�• 1 I��� f' \� \ DUE TO THE DEING BASIN NSITY OF UTILITIES AND I p
INFRASTRUCTURE IN THE REMEDIAL AREA I 1
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EX-20 \ PROPOSED EXTRACTION
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° C?RETIRED ASH BASIN d 1 o ` `
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CP-6D
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4AP c.� a ° AB-40S \ EX-21 Ex-25 Ex-2s Ex-27
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�
TIE BOTH HORIZONTAL WELLS TO CLEAN CCR-6 620 - szo I
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a 4 D°PROPOSED EXTRACTIO
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ASH LANDFILL -PHASE 1 AB-31S I
ASH STORAGE AB-350WAL30 1 ° I GWA 4D
I AB-350WAL I I I CELL 1 CELL 2A CELL 2B br GWA-4S
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I I I I I it
LOCATIONS OF EXTRACTION WELLS, INJECTION
WELLS,PIPING,AND TANKS, MAYBE ADJUSTED
DUE TO THE DENSITY OF UTILITIES AND
' D I I I / 1 1 I I I) INFRASTRUCTURE IN THE REMEDIAL AREA
1 I I I sso--------
I
AB-9S
_ 1
CPIPES
PROPOSED EXTRACTION Ex-37
I s3o COLLECTION AND PUMP STATION
OW-18 OW 16 sao _ _---- /
. jIl ♦ o / / OW 15 f _ \ NPDES OUTFALL 008
\\\ °o ♦ a ° = '`' OW 17 e- s30
o
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AB-27BR \ \ p
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10 I I I I PRIMARY POND 3 I I e
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D O I a 1 1 I I 11 I PROPOSED EXTRACTION
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� , m �`� �o -° I I I v 6 PRIMARY POND 1 I I AB-24SL PRIMARY POND 2 I I Q I I
I tl "U` a I j l d �' 1 1 AB 24D AB-25SS I I_ I I
0 / I GWA-3BRA
I a � I II i AB-246R AB-25S / AB-26S
l • 1 0 �o I I I O tni 1 j AB 256RU // 4 j I GWA 36R42 GWA 3S
�J ■ �(� ° 1 D VI j AB 25BR / I I GWA-3D
I
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STAIRSI NPDES OUTFACE 108
�/� 1 I -• d� I Q �/ O o OW-4 II 1
0W-5 I
I
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I I I I / p �g ,.-----------��---__
d GWA-23D _ I o I I/ AB-23S
AB-23BRU COLLECTION AND PUIMP STATION
EX46&EX-58
ID LOCATIONS OF EXTRACTION WELLS, INJECTION
o /' l �/ 0 6 ° ° O �II� WELLS,PIPING,AND TANKS, MAYBE ADJUSTED
DUE TO THE DENSITY OF UTILITIES AND
I INFRASTRUCTURE IN THE REMEDIAL AREA
(/1f EX-47 & EX-59
- - - - - - - o -. / / / ° G7"° o I o I EX-48 & EX-60
EX-50&EX 62
• ° ° /� f l l ° �'� o ` a' EX-49 & EX-61
EX-51 & EX-63
o .on
a Q � � o II I I AB-10BR
EX-53 & EX-65
EX-52 & EX-64 f AB-10BRL
E _51& AB 10S
�IIIIIIIIilllll i
CULVERT 1
52°�^
LEGEND
Ex-68 PROPOSED EXTRACTION WELL IN BEDROCK DUKE ENERGY CAROLINAS PROPERTY LINE a �• AB-22S EX-55&EX-67I
Excel PROPOSED EXTRACTION WELL IN SAPROLITE-TRANSITION ZONE - ASH BASIN COMPLIANCE BOUNDARY ° ° °� o o Q o off° AB 22D f III I� I
O Ex-85 PROPOSED EXTRACTION WELL CLUSTER BEROUTE-TRANSITION WELL
�5 ACTIVE ASH BASIN WASTE BOUNDARY o �° "ate p° AB-22BRL I
EXBEDROCK WELL -56&I NPDES OUTFACE 104
STAIRS EX Q
® Iw-29 PROPOSED CLEAN WATER INFILTRATION WELL IN SAPROLITE-TRANSITION ZONE — — — — RETIRED ASH BASIN WASTE BOUNDARY ° q ° o o Ex-68
AB-25S WELL IN ASH PORE WATER
RETIRED ASH BASIN LANDFILL WASTE BOUNDARY
AB-25SS WELL IN SHALLOW ZONE RETIRED ASH BASIN ASH LANDFILL COMPLIANCE BOUNDARY °°
I !I $
� AB-24D WELL IN DEEP ZONE e o �
DORS FILL BOUNDARIES d %� II CSULVEIRIIT I NPDES OUTFALL 103
AB-27BR WELL IN BEDROCK ZONE ° p 11 I Ez-57& I
0 SURFACE WATER (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) {° ° °° A Ex-6 PROPOSED EXTRACTION
GWA-5BR WELL ABANDONED ° 4� p 11 COLLECTION AN D PUM P STATION
EFFLUENT CHANNEL (APPROXIMATE) [NON -JURISDICTIONAL] d p > °, ° � ° I I / /
C OW 20 PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® ASH BASIN PONDED WATER (APPROXIMATE)
48" HDPE DISCHARGE PIPE
P-1 NESTED PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® NPDES REGULATED PLANT WATER o ° I Q
OW2 a C DISCHARGETOWERWAS �I \
NPDES y NPDES REGULATED PLANT WATER FLOW DIRECTION � ° ovv ° a° a o� ° C3 °° SPoWAYAND
RUCTU E/N20,16H SPILLWAY ii \�� \ STAIRS
oUTFALLoo2 NPDES OUTFACE (APPROXIMATE) 4
RIP RAP
PROPOSED CLEAN WATER INFILTRATION LINE TOPOGRAPHIC CONTOUR (10' INTERVAL)
CLEAN WATER INFILTRATION FLOW DIRECTION
TOPOGRAPHIC CONTOUR (2' INTERVAL)
PROPOSED WELL EXTRACTION COLLECTION LINE o ° ' ° ° ., a{, = a ° bQ ° /�\ / / / PROPOSED TIE IN FROM EXTRACTED
GROUNDWATER TREATMENT SYSTEM
WELL EXTRACTION WATER FLOW DIRECTION
PROPOSED WELL EXTRACTION MAIN LINE
WELL EXTRACTION MAIN LINE WATER FLOW DIRECTION P ° ° �? • o db° w / //� O
PROPOSED EXTRACTED
a o p. 1 // NOTES: GROUNDWATER TREATMENT SYSTEM
bq � 8 - '
1. 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 4 ' ,'a D , 6 ° 1 // • '
FIELD. THE HORIZONTAL LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE.°°
/ o °
2. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT
http://fris.nc.gov/fris/Download.aspx?PIPS=031&ST=NC&user=General%20PubIicANDADRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION • �, // *' °
BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_ALLEN_FINAL_10-30-15.DWG n /j/✓� o
/ r
3. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I,
PROJECT NUMBER 7235-14-011, DATED 06-16-2015.
4. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO
BE USED FOR JURISDICTIONAL DETERMINATION PURPOSES. THE WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM AMEC FOSTER WHEELER NOT FOR CONSTRUCTION ENVIRONMENTAL & INFRASTRUCTURE, INC. NATURAL RESOURCE TECHNICAL REPORT FOR ALLEN STEAM STATION DATED MAY 29, 2015.
GRAPHIC SCALE -
DUKE C:CR-22S
200 0 50 200 400
(IN FEET) FIGURE ES-3b
� ENERGY
PROPOSED CORRECTIVE ACTION APPROACH
CAROLINAS DRAWN BY: J. CHASTAIN DATE: 12/20/2019 WELL SYSTEM LAYOUT\\\ GWA-1D
REVISED BY: - DATE:-
VERTICAL AND HORIZONTAL WELLS GWA-1BR
CHECKED BY: B. GREEN DATE: 12/20/2019 CORRECTIVE ACTION PLAN UPDATE
1410 APPROVED BY: J. CLEMMER DATE: 12/20/2019 ALLEN STEAM STATION ''/
PROJECT MANAGER: C. SUTTELL BELMONT, NORTH CAROLINA 0.0
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GROUNDWATER FLOW DIRECTION
NOTES: J DUKE GRAPHIC SCALE
1. WATER LEVELS COLLECTED MARCH 13, 2019. 200 0 100 200 400
I FIGURE 5-4a
2. BP = WATER LEVEL BELOW PUMP ENERGY (IN FEET)
3. NOT ALL UTILITIES ARE IDENTIFIED ON THIS DRAWING. THE UTILITIES SHOWN ON THIS DRAWING ARE VISUALAIDS TO LOCATE THE STREAMS AND WETLANDS IN THE FIELD. THE HORIZONTAL LOCATION AND VERTICAL LOCATION _ WATER LEVEL MAP
HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE. \ �� CAROLINAS SHALLOW FLOW ZONE
4. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?PIPS=031&ST=NC&user=General%20Public + ago 660 DRAWN BY: J. CHASTAI N DATE: 2/21/2018
AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014-ALLEN_FINAL_10-30-15.DWG r •
5. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I, PROJECT NUMBER 7235-14-011, DATED 06-16-2015. x REVISED BY: C. NEW ELL DATE: 12/11/2019
(MARCH 13, 2019)
6. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO BE USED FOR JURISDICTIONAL DETERMINATION PURPOSES. THE k CHECKED BY: L. DRAGO DATE: 12/11/2019 CORRECTIVE ACTION PLAN UPDATE
PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM STREAM AND WETLAND DELINEATION CONDUCTED BYAMEC FOSTER WHEELER ENVIRONMENTAL &INFRASTRUCTURE, INC. NATURAL RESOURCE ! \
TECHNICAL REPORT (NRTR) FOR ALLEN STEAM STATION DATED MAY 29, 2015. k - -- APPROVED BY: C. SUTTELL DATE: 12/11/2019
7. ALL BOUNDARIES ARE APPROXIMATE. T ' - -- - ohALLEN STEAM STATION
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PROJECT MANAGER: C. SUTTELL BELMONT NORTH CAROLINA
8. DISPLAYED WATER SUPPLY WELL LOCATIONS REFLECT INFORMATION AVAILABLE UP TO DECEMBER 2017. 6 Sp -- sQ o1 0
9. MARCH 03, 2018 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH AT https: '` Sy LG //www.google.com/maps/. - O \� • \ Terra WV\ w. me r r r III '
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0 2 AND REPLACED WITH SPILLWAY CCR 18D CCR 18S
STRUCTURE IN 2016
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ASH BASIN COMPLIANCE BOUNDARY rW- `
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ACTIVE ASH BASIN WASTE BOUNDARY
AB 20S WELL IN ASH PORE WATER
RETIRED ASH BASIN WASTE BOUNDARY
GWA 26S WELL IN SHALLOW ZONE
RETIRED ASH BASIN ASH LANDFILL WASTE BOUNDARY
GWA 96R WELL IN BEDROCK ZONE r
RETIRED ASH BASIN ASH LANDFILL COMPLIANCE BOUNDARY
GWA 5BR WELLABANDONED
DORS FILLS BOUNDARIES
OW-6 PIEZOMETER IN UNKNOWN ZONE (AECOM DATA)
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(p PW2 NESTED PIEZOMETER IN UNKNOWN ZONE (AECOM DATA)
STREAM BY (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED)
�-
0 WATER SUPPLY WELL
FLOW DIRECTION
0
STREAM BY AMEC FOSTER WHEELER
NPDESOUTFALL002 NPDES OUTFALL (APPROXIMATE)
EFFLUENT CHANNEL (APPROXIMATE) [ NON -JURISDICTIONAL]
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®
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I
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sso
TOPOGRAPHIC CONTOUR (10' INTERVAL)
-
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- - - - - - - - - -
PIPING OBTAINED FROM DUKE ENERGY,
STANTEC, AND SYNTERRA AOW INSPECTION.
GROUNDWATER FLOW DIRECTION
NOTES:
1.
WATER LEVELS COLLECTED MARCH 13, 2019.
2.
BP = WATER LEVEL BELOW PUMP
3.
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 LOCATION AND VERTICAL LOCATION
HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE.
4.
THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FlPS=031&ST=NC&user=General%2OPubIic
AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014-ALLEN_FINAL_10-30-15.DWG
5.
RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB)
LANDFILL PHASE I PROJECT NUMBER 7235-14-011 DATED 06-16-2015.
6.
THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO BE USED FOR JURISDICTIONAL DETERMINATION PURPOSES. THE
PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM STREAM AND WETLAND DELINEATION CONDUCTED BY AMEC FOSTER WHEELER ENVIRONMENTAL & INFRASTRUCTURE, INC. NATURAL RESOURCE
TECHNICAL REPORT (NRTR) FOR ALLEN STEAM STATION DATED MAY 29, 2015.
7.
ALL BOUNDARIES ARE APPROXIMATE.
8.
DISPLAYED WATER SUPPLY WELL LOCATIONS REFLECT INFORMATION AVAILABLE UP TO DECEMBER 2017.
9.
MARCH 03, 2018 AERIAL PHOTOGRAPH WAS OBTAINED FROM GOOGLE EARTH AT https://www.google.com/maps/.
* = WATER LEVEL IDENTIFIED AS ANOMALOUS LIKELY DUE TO FIELD TRANSCRIPTION ERROR.
0
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CAROLINAS DRAWN BY: J. CHASTAIN DATE: 2/21/2018 DEEP FLOW ZONE
REVISED BY: C. NEWELL DATE: 12/11/2019 (MARCH 13, 2019)
CHECKED BY: L. DRAGO DATE: 12/11/2019
CORRECTIVE ACTION PLAN UPDATE
APPROVED BY: C. SUTTELL DATE: 12/11/2019 ALLEN STEAM STATION
PROJECT MANAGER: C. SUTTELL BELMONT, NORTH CAROLINA
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O STREAM BYAMEC FOSTER WHEELER °°o / 580 0
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TOPOGRAPHIC CONTOUR (2' INTERVAL) s °
---------- PIPING OBTAINED FROM DUKE ENERGY,
�0
STANTEC, AND SYNTERRA AOW INSPECTION. UKE 200 0 100 200 400
NOTES: GROUNDWATER FLOW DIRECTION 0 r GRAPHIC SCALE
1. WATER LEVELS COLLECTED MARCH 13, 2019. � , Jac. � ^
2. BP = WATER LEVEL BELOW PUMP - \\\ ENERGY oN FEET) WATER LEVEL MAPFIGURE 5-4`i
\ ,
3. 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 LOCATION AND VERTICAL LOCATION
HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE.
4. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT http://fris.nc.gov/fris/Download.aspx?FlPS=031&ST=NC&user=General%2OPubIic od° 660 CAROL I ��� DRAWN BY: J. CHASTAI N DATE: 2/21/2018 BEDROCK FLOW ZONE
AND A DRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014-ALLEN_FINAL_10-30-15.DWG # �_
5. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I, PROJECT NUMBER 7235-14-011, DATED 06-16-2015. tia REVISED BY: C. NEW ELL DATE: 12/11/2019 (MARCH 13, 2019)
6. THE WATERS OF THE US DELINEATION HAS NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO BE USED FOR JURISDICTIONAL DETERMINATION PURPOSES. THE x x CHECKED BY: L. DRAGO DATE: 12/11/2019 CORRECTIVE ACTION PLAN UPDATE
PRELIMINARY WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM STREAM AND WETLAND DELINEATION CONDUCTED BYAMEC FOSTER WHEELER ENVIRONMENTAL &INFRASTRUCTURE, INC. NATURAL RESOURCE - -
TECHNICAL REPORT (NRTR) FOR ALLEN STEAM STATION DATED MAY 29,2015. APPROVED BY: /''� li. SUTTELL DATE: 12/11/2019 ALLEN STEAM STATION
7. ALL BOUNDARIES ARE APPROXIMATE. �'c " PROJECT MANAGER: T. BERNIER
8 DISPLAYED WATER SUPPY WELL LOCAIONS REFLECT INFORMATION AVALABLE10 BELMONT, NORTH CAROLINA
9. MARCH 03, 2018 AER ALLP OTOG APHTWAS OBTAINED FROM GOOGLE EAIRTH ATUhtLps.//www.google.com/maps/. ss s rn Terra
* = WATER LEVEL IDENTIFIED AS ANOMALOUS LIKELY DUE TO FIELD TRANSCRIPTION ERROR. www.synterracorp.com

0
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N Q Iw-21 Iw23 GWA-28D ` \�
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IW-13 IW-19 � IW-20 � *IW-31 IW-33
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IW-29
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-41
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IW-25 ! EX-9 IW-56 EX-3 j
1 IW-39 ` EX-10�EX-87
IW-3 'o
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IW38 EX-11 IW53 IW-54 1 [\ \ LIVE COAL PILE I I WELLS,PIPING, AND TANKS, MAYBE ADJUSTED
IW-36 EX-85 ° JW-57 DUE TO THE DENSITY OF UTILITIES AND
EX 13 Ex-12 \ I INFRASTRUCTURE IN THE REMEDIAL AREA
EX-14 EX-83 d�EX-84�� \\ '
EX-82— �� IW-52 \\ :�
IW-51 IW-63 IW-65 IW-76 \\ o I Exgi
IW-49 11W-50 IW-60 IW-62 IW-64 IW-75
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WA 18D 1D / R �� GWA-30D COLLECTION AND PUMP STATION IX-6 q
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LOCATIONS OF EXTRACTION WELLS, INJECTION I
/ I I / AB-41SS r EX-19 WELLS,PIPING, AND TANKS, MAYBE ADJUSTED PROPOSED EXTRACTION EX 71 I
AB-40, DUE TO THE DENSITY OF UTILITIES AND COLLECTION AND PUMP STATION
1D g \ \ INFRASTRUCTURE IN THE REMEDIAL AREA 1
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33S
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e �`�o ° I I I v 6 PRIMARY POND 1 I AB-24SL PRIMARY POND 2 I I Q 1 I
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STAIRS NPDES OUTFACE 108
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LOCATIONS OF EXTRACTION WELLS, INJECTION
WELLS,PIPING,AND TANKS, MAYBE ADJUSTED
DUE TO THE DENSITY OF UTILITIES AND
1 INFRASTRUCTURE IN THE REMEDIAL AREA
EX-47 & EX-59
- - - - - - - o -. / / / °•o o I o I EX-48 & EX-60
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^ 00 o a j I I � AB-10D
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Ex-68 PROPOSED EXTRACTION WELL IN BEDROCK — DUKE ENERGY CAROLINAS PROPERTY LINE a �• AB-22S EX-55&EX-67I
EX-41 PROPOSED EXTRACTION WELL IN SAPROLITE-TRANSITION ZONE - —ASH BASIN COMPLIANCE BOUNDARY ° ° °� o o Q o off° AB 22D f III I� I
O Ex-85 PROPOSED EXTRACTION WELL CLUSTER BEDROLIrE-TRANSITION WELL ACTIVE ASH BASIN WASTE BOUNDARY o �e "ate p AB-22BRL I
EX�5 BEDROCK WELL o b � o ° • ° d �° ,- � I I I NPDES OUTFACE 104
STAIRS EX-56&1 Q
® IW29 PROPOSED CLEAN WATER INFILTRATION WELL IN SAPROLITE-TRANSITION ZONE - — — — RETIRED ASH BASIN WASTE BOUNDARY �' ° q ° o o EX-68
AB-25S 1 WELL IN ASH PORE WATER
RETIRED ASH BASIN LANDFILL WASTE BOUNDARY I
AB-25SS WELL IN SHALLOW ZONE RETIRED ASH BASIN ASH LANDFILL COMPLIANCE BOUNDARY ° I $
� AB-24D WELL IN DEEP ZONE °o
DORS FILL BOUNDARIES d II CULVERT I NPDES OUTFACE 103
AB-27BR WELL IN BEDROCK ZONE o° o ° p I EX-' I
0 SURFACE WATER (AERIAL PHOTOGRAPH &TOPOGRAPHIC MAP BASED) { �p IEx-69 PROPOSED EXTRACTION
GWA-5BR WELL ABANDONED ° ° s 4� p II COLLECTION AND PUMP STATION
EFFLUENT CHANNEL (APPROXIMATE) [NON -JURISDICTIONAL] d p > °, ° � ° 1
C OW 20 PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® ASH BASIN PONDED WATER (APPROXIMATE) ° ° bQ �o ° I T
° � � I I 48" HDPE DISCHARGE PIPE
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NPDES NPDES OUTFACE y NPDES REGULATED PLANT WATER FLOW DIRECTION o°°� ov ° °° a a� ° °° SPILLWAYoSTRUCTURE ED W TH SPILLWAY 1; 1
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1. 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
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/ o
2. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT b / 0
http://fris.nc.gov/fris/Download.aspx?PIPS=031&ST=NC&user=General%20PubIicANDADRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION
BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_ALLEN_FINAL_10-30-15.DWG n /j/✓� o
/ r
3. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I,
PROJECT NUMBER 7235-14-011, DATED 06-16-2015.
4. THE WATERS OF THE US HAVE NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO BE USED FOR
JURISDICTIONAL DETERMINATION PURPOSES. THE WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL & NOT FOR CONSTRUCTION ° aoQa a ° INFRASTRUCTURE, INC. NATURAL RESOURCE TECHNICAL REPORT FOR ALLEN STEAM STATION DATED MAY 29, 2015.
GRAPHIC SCALE
° CCR-22S '� / � szo ° GWA-2
DUKE 200 0 50 200 400 FIGURE 6-28a
° -2S /
(IN FEET) REMEDIAL ALTERNATIVE 3 0 �� e o
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WELL SYSTEM LAYOUT
CAROLINAS DRAWN BY: J. CHASTAIN DATE: 12/20/2019 GROUNDWATER REMEDIATION BY 0,
REVISED GWA1D
REVISED BY: - DATE:-
EXTRACTION COMBINED WITH CLEAN WATER
410 CHECKED BY: B. GREEN DATE: 12/20/2019 INFILTRATION AND TREATMENT (VERTICAL)
APPROVED BY: B. GREEN DATE: 12/20/2019 CORRECTIVE ACTION PLAN UPDATE d ° °
PROJECT MANAGER: C. SUTTELL ALLEN STEAM STATION �0.0
°
Terra BELMONT, NORTH CAROLINA a
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www.synterracorp.com ° ° °

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PROPOSED EXTRACTION
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\ \ • � D ° IW-21 IW-23 \ .
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° ( FORMER WATER TANK IW-1 EX-84
\--.IW-48 DUE TO THE DENSITY 01
INFRASTRUCTURE IN TH
EX-4
1JTHEWELLDEPICTIONISCONCEPTUALHORIZONTAL ° \\\ \ �I /
CAN BE BOTH SINGLE AND DOUBLE ENTRY (FIGURES \\
AND 6-28e). SHOULD HORIZONTAL WELLS BE USED AT a HORIZONTAL WELL PAIRS. ONE LOCATED
DETERMINATION OF SINGLE ENTRY, DOUBLE Q APPROXIMATELY 40' BGS AND THE OTHER 90' BGS
/� EXEX-1 `'t` I I ENTRYOR CONCEPTUAL
ON WILL A MADE LATER. / • �`� � -- R (j ti 2.) EACH CONCEPTUAL HORIZONTAL WELL ON THIS FIGURE
a CCR-3S N `' I REPRESENTS A PAIR OF HORIZONTAL WELLS THAT WOULD BE EX-5 ° c
INSTALLED IN THE SHALLOW AND DEEP FLOW ZONES.
N
IN x x x x o ti4 I
a;l tiI
\ N N N \ I OS
TIE INTO FIRE WATER LINE (APPROXIMATE) � � - GWA-6BR � � \ I x I � IN N_ � N N_ N PROPED T I • >�
THE TOPOGRAPHY IN THE MAIN COAL PILE I Y 8
A-18S I °� / CCR-4D _ GWA-30S AND HOLDING BASIN AREA IS APPROXIMATE 1
LOCATIONS OF EXTRACTION WELLS, INJECTION I II
U \ \ \ WELLS,PIPING ANDTANKS MAYBEADJUSTED I HOLDING BASIN I�
�• 1 I��� f' \ yv \ DUE TO THE DENSITY OF UTILITIES AND I p
INFRASTRUCTURE IN THE REMEDIAL AREA I I 1
I Exa Il
Ex-1s v v 1 11
PROPOSED EXTRACTION
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v�
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Q
Goo TIE BOTH HORIZONTAL WELLS TO CLEAN CCR-6 620 - s2o
o e aQ p° d IJ STRUCTURAL FILL STRUCTURAL FILL 1 WATER INFILTRATION HEADER PIPE /
-------------
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PROPOSED EXTRACTION COLLECTION \ I AB-33D
t ° I I I I I AB 43AP ° / a �°� I I \/ '• r `° o� \ I o0 0
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II Id I I I I o � Qo Q •�� ___ _ �, WA-5BR li.
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4 I AB 35 I I ASH LANDFILL -PHASE I AB-31S I
D �� II AB-35SS I AB-31D-33
I ASH STORAGE AB-350WAL30 I ° I GWA-4D
I AB-350WAL I I I CELL 1 CELL 2A CELL 2B br GWA-4S
0 oQ o ° RETIRED ASH BASIN O i � AB-350WAU I I � � I I � I � GWA-4BR
II II
AB-35PWA I I
Ca I I I° I I • EX -
LOCATIONS OF EXTRACTION WELLS, INJECTION
WELLS,PIPING,AND TANKS, MAYBEADIUSTED
11INFRASTRUCTURE
DUE TO THE DENSITY OF UTILITIES AND
I IN THE REMEDIAL AREA
szoEMERGENCYSPILLWAY 1 AB-9S
° PROPOSED EXTRACTION
o I ° szo sao COLLECTION AND PUMP STATION EX-37
OW-18 OW 16 sao _ _---- /
. jIl ♦ o / / 0W-15 f _ \ NPDES OUTFALL 008
\\\ °o ♦ a ° = '`' OW 17 e- 530
--------___----� -- - ---_
o
AB-27BR r \ \ U 11 /
AB-27S
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-39
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EXi COLLECTION AND PUMP STATION
PRIMARY POND 1 I AB-24SL PRIMARY POND 2 I I Q I I
I tl "U` a I j l d �' I I AB 24D AB-25SS I I_ I I
0 / I GWA-3BRA
I a � I II i AB-246R AB-25S / AB-26S
4q I I I o 0 t AB-25SL // I GWA-3BRL
l • 1 p _o I I I O tni j AB 256RU / / ° j I GWA 36R42 GWA-3S
�J � ■ o �(� o� � I � D VI j AB-25BR � / I I I GWA-3D
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STAIRS NPDES OUTFACE 108
,De
�/� 1 I -• d� I Q �/ O o OW-4 II I
cEX-44
I
C3 II
0
--------------�
-45
d GWA-23D _ I o I I/ AB-23S //
AB-23BRU / ° �' o -� COLLECTION AND PUIMP STATION
EX46&EX-58
LOCATIONS OF EXTRACTION WELLS, INJECTION
o /' l �/ 0 6 ° ° O �II� WELLS,PIPING, AND TANKS, MAYBE ADJUSTED
DUE TO THE DENSITY OF UTILITIES AND
1 INFRASTRUCTURE IN THE REMEDIAL AREA
(/1f EX-47 & EX-59
- - - - - - o -. / / / . G7•° o I ° I EX-48 & EX-60
/----
EX--550 & EX-62
• ° ° /� / / ° �'� o ` a' EX-49
EX-51 & EX-63
� ° • II \ f ���i%i
-aa I I EX-53 & EX-(
EX-52 & EX-64 f AB-10BRL
4> ° ° e / / IM d p e 11 I E _54 & AB 10S
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g' ° CULVERT 1
52°�^ s° ' AB-10D
��III
LEGEND
Ex-ss PROPOSED EXTRACTION WELL IN BEDROCK DUKE ENERGY CAROLINAS PROPERTY LINE Q �• AB-22S EX-55&EX-67I
Ex-41 PROPOSED EXTRACTION WELL IN SAPROLITE-TRANSITION ZONE - ASH BASIN COMPLIANCE BOUNDARY ° ° °� o o Q o off° AB 22D f III I� I
O Ex-85 PROPOSED EXTRACTION WELL CLUSTER BEDR•oLITE-TRANSITION WELL ACTIVE ASH BASIN WASTE BOUNDARY o �° "ate p AB-22BRL I I ( 1
EX�5 BEDROCK WELL o b � o ° ° ° d �° •- � 11 I NPDES OUTFACE 104
I STAIRS EX-56&I Q
® Iw-29 PROPOSED CLEAN WATER INFILTRATION WELL IN SAPROLITE-TRANSITION ZONE - — — — RETIRED ASH BASIN WASTE BOUNDARY ° q ° 0 o EX-ss
AB-25S WELL IN ASH PORE WATER
RETIRED ASH BASIN LANDFILL WASTE BOUNDARY I
AB-25SS WELL IN SHALLOW ZONE RETIRED ASH BASIN ASH LANDFILL COMPLIANCE BOUNDARY °°
I !I $
AB-24D WELL IN DEEP ZONE e o II
DORS FILL BOUNDARIES d 0 II CSULVEIRIIT I NPDES OUTFACE 103
AB-27BR WELL IN BEDROCK ZONE ° p I1 I EX-57& I
0 SURFACE WATER (AERIAL PHOTOGRAPH & TOPOGRAPHIC MAP BASED) {° ° °° 11 A Ex-69 PROPOSED EXTRACTION
GWA-5BR WELL ABANDONED a ° s 4� p II COLLECTIONANDPUMPSTATION
EFFLUENT CHANNEL (APPROXIMATE) [NON -JURISDICTIONAL] d p > °, ° I /
C OW-20 PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® ASH BASIN PONDED WATER (APPROXIMATE)
° I OW2 48" HDPE DISCHARGE PIPE
uvv NESTED PIEZOMETER IN UNKNOWN ZONE (AECOM DATA) ® NPDES REGULATED PLANT WATER o ° I Q
a '� • Cj DISCHARGE TOWER WAS
NPDES y NPDES REGULATED PLANT WATER FLOW DIRECTION o°°� ° ov ° a°� a o� ° °° SPILLWAYoDAND
DREP E/N20,BH SPILLWAY \�� ; STAIRS
ouTFALLoo2 NPDES OUTFALL (APPROXIMATE) 4 R
RIP RAP
PROPOSED CLEAN WATER INFILTRATION LINE o o a a NPDES OUTFACE 002
TOPOGRAPHIC CONTOUR (10' INTERVAL) 0 9 ° ° ° � //
CLEAN WATER INFILTRATION FLOW DIRECTION
TOPOGRAPHIC CONTOUR (2' INTERVAL)
PROPOSED WELL EXTRACTION COLLECTION LINE ° ' ° a• a ° bQ ° /i / PROPOSED TIE IN FROM EXTRACTED
GROUNDWATER TREATMENT SYSTEM
WELL EXTRACTION WATER FLOW DIRECTION ° 'a 0 P / - --------___�
PROPOSED WELL EXTRACTION MAIN LINE
R-20D
WELL EXTRACTION MAIN LINE WATER FLOW DIRECTION P ° ° �? • o db° w / //� O
PROPOSED EXTRACTED
NOTES: �a o p. 1 // GROUNDWATER TREATMENT SYSTEM
� 9 q y� o o . � � e o I / _ - � o �
1. 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 (5' ' ,a D p o \ // • 1
FIELD. THE HORIZONTAL LOCATION AND VERTICAL LOCATION HAVE NOT BEEN FIELD LOCATED ON ANY UTILITIES AND THE SHOWN LOCATIONS ARE APPROXIMATE.°_
/ o °
2. THE TOPOGRAPHY IS BASED ON LIDAR BARE EARTH DATA OBTAINED FROM THE FRIS\NORTH CAROLINA FLOOD RISK INFORMATION SYSTEM AT
http://fris.nc.gov/fris/Download.aspx?PIPS=031&ST=NC&user=General%20PubIicANDADRAWING TITLED AERIAL TOPOGRAPHIC SURVEY-ALLEN STEAM STATION
BY WSP, JOB NUMBER 157002.00 AND DRAWING FILE NAME APRIL 2014_ALLEN_FINAL_10-30-15.DWG n /j/✓� °
/ r III
3. RETIRED ASH BASIN (RAB) LANDFILL WASTE BOUNDARY BASED LINER LIMITS IN THE S&ME DRAWINGS FOR THE RETIRED ASH BASIN (RAB) LANDFILL PHASE I,
PROJECT NUMBER 7235-14-011, DATED 06-16-2015.
4. THE WATERS OF THE US HAVE NOT BEEN APPROVED BY THE US ARMY CORPS OF ENGINEERS AT THE TIME OF THE MAP CREATION. THIS MAP IS NOT TO BE USED FOR
JURISDICTIONAL DETERMINATION PURPOSES. THE WETLANDS AND STREAMS BOUNDARIES WERE OBTAINED FROM AMEC FOSTER WHEELER ENVIRONMENTAL & NOT FOR CONSTRUCTION ° aoQa ° / a INFRASTRUCTURE, INC. NATURAL RESOURCE TECHNICAL REPORT FOR ALLEN STEAM STATION DATED MAY 29, 2015.
GRAPHIC SCALE
° CCR-22S / GWA-2
DUKE 200 0 50 200 400 FIGURE 6-28b
°
(IN FEET) REMEDIAL ALTERNATIVE 3 p CC g o
� ENERGY � � 5�° o °
WELL SYSTEM LAYOUT
CAROLINAS DRAWN BY: J. CHASTAIN DATE: 12/20/2019 GROUNDWATER REMEDIATION BY I\\\ GWA1D
REVISED BY: - DATE:-
EXTRACTION COMBINED WITH CLEAN WATER GWA-1BR °10
CHECKED BY: B. GREEN DATE: 12/20/2019 INFILTRATION AND TREATMENT (HORIZONTAL)
1410 APPROVED BY: J. CLEMMER DATE: 12/20/2019 CORRECTIVE ACTION PLAN UPDATE d ° °
PROJECT MANAGER: C. SUTTELL ALLEN STEAM STATION 0.0
a
TerrasynBELMONT, NORTH CAROLINA ° a
www.synterracorp.com
C:\00. REMEDIATION ALLEN\ALLEN FIG 6-28b (SYSYTEM LAYOUT-HORZ).dwg