NC0003468_DRSS CSA Rpt_Sect_2_Figures_20150814

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NOTE'
SDuRC€: AERIAL SURVEY OBTAINED fROM WSP DATED APRIL arr �) �'_• ,
2QIL. TOPOGRAPHIC INFORMATION OBTAINED FROH NC DOT �f9
INFOWATION SYSTEM WIS'WEBSITE DATED 2010). , ►�� r�
HYDROGRAPHY OBTAINED FROM 7.5-MINUTE TOPOGRAPHIC���-�S
Maps, SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC.
CONTOURS QEPaCTEO IN FEET- L FT CONTOUR INTERVAL.
SCALE (FEES")
o I rxks �
SITE LOCATION MAP ;
DUKE ENERGY CAROLINAS, LLC AUGUST 2015
DAN RIVER STEAM STATION ASH BASIN
FIGURE
ROCKINGHAM COUNTY, NORTH CAROLINA 2-1

NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
4. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
5. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
6. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
SCALE (FEET)
200' a 2aa'
LEGEND:
® _ DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY BOUNDARY
STREAM
LANDFILL - LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
RIVER FLOW DIRECTION
SITE LAYOUT MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
ROCK NGHAM COUNTY, NORTH CAROB NA
DATE
AUGUST 2015
FIGURE
2-2

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rA
IL
ASH STORAGE 7
by A5H BASIN SECOND.I CELL
s -
ASH HASI N }RI IIIII CFIlp
:wer
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Y
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I. kA}qu Exkor_ T AM.411..43-E eiGGS TOW4 4—• C HIT: - f
CALE �FEET)
PRE -ASH BASIN USES MAP DATE
DUKE ENERGY C ROUINA , LUC AUGUST 2015
[BAN RIVER STEAM STATION ASH BASIN
r*; ,PE
RO TCIN HAM COUNTY, NORTH CAROLI 2-3

NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
3. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
4. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
SCALE (FEET)
200' a 2aa'
LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
STREAM
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
RIVER FLOW DIRECTION
SITE FEATURES MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
ROCK NGHAM COUNTY, NORTH CAROB NA
DATE
AUGUST 2015
FIGURE
2-4

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A
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�f LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
>:. ASH STORAGE AREA BOUNDARY
IL
` COMPLIANCE BOUNDARY
Awl
14
. _
,. _ "'`�`✓" COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY BOUNDARY
,ter
t y
�-:- .✓ r t.' K :'� '� �'� STREAM
.f . 'f • _ ! ♦ , _ _ dip ,� •�, r ',,ice -v �a '• l�- 4 �. _ j `i-i--� '`ps,'i•
�. _ ,`.'a ; -�i • •� �; �� 4,c �,�, _ ; i��a�. _ LANDFILL- LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
it PARCEL BOUNDARY
. -
jv
' RIVER FLOW DIRECTION
,..
r-
.
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
4. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
5. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
6. ZONING INFORMATION FOR ROCKINGHAM COUNTY OBTAINED FROM THE ROCKINGHAM COUNTY GIS WEBSITE. PROPERTIES IN
ROCKINGHAM COUNTY IN THE VICINITY OF THE SITE ARE ZONED RURAL RESIDENTIAL.
7. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS SOUTHEAST EDEN, NC AND NORTHEAST EDEN, NC -VA.
SCALE (FEET)
200, 0 200, 400'
/" - 400'
SITE VICINITY MAP
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST 2015
FIGURE
2-5
ROCKINGHAM COUNTY, NORTH CAROB NA

Cooling Tower
Evaporative Loss
Dan River Steam Station
Water Schematic Flow Diagram
FIGURE 1
3247
gpm
Closed Cooling
Condenser
Water Supply Municipal Wastewater Sanitary
Treatment Potable Users 3
gpm
9
gpm
Chiller System
Reverse Osmosis Filtered Water Storage UltraFiltration
Oil Separator
(discharge Outfall 001A) Fire Protection Misc Uses
HRSG
Sludge Thickener Filter
Press
Makeup Clarification
Evaporative Loss
192
gpm
Chiller Coil Condensate
Dan River Outfall 001
6 MGD
Off Site
Treatment/Disposal
Intake Screen Backwash
CT Wash Water
Storm Water Runoff &
Misc Plant Sumps
Sumps
Outfall 002A
Variable-Emergency
Overflow
Dry Basin Storm Water
Runoff
Ash Basin
Sanitary (Municipal Water
Supply)
Outfall 002
3.7 MGD
Seeps
Variable
180
gpm
60 gpm
4062
gpm
4335 gpm
72
gpm
5
gpm 5
gpm
5
gpm
55
gpm
77
gpm
77
gpm
58
gpm

37
gpm
Evaporative Loss
18 gpm
3
gpm 12
gpm
28
gpm
40
gpm
Drift
2 gpm
2
gpm
0.0043
MGD
0.418
MGD
0.7
MGD
0.58
MGD
4 MGD
Plant Sumps
Storage Tank
Blow Down Sump
55
gpm
Portable Mixed Bed
Demin Trailer
70
gpm
25
gpm
5
gpm
20
gpm
400
gpm
87
gpm
32
gpm
70
gpm
Demin Cleaning Waste
Neutralization Tank
20
gpm
Chiller System Sumps 0.5
gpm
NOTES:
1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE.
2. WASTE BOUNDARY IS APPROXIMATE.
3. AS -BUILT MONITORING WELL AND NPDES OUTFALL LOCATIONS PROVIDED BY DUKE ENERGY.
4. AERIAL PHOTOGRAPHY WAS OBTAINED FROM WSP DATED APRIL 2014.
5. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE (DATED 2010).
6. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a).
SCALE (FEET)
150' 0 /50' 300,
l " = 300 ,
N
LEGEND:
DUKE ENERGY PROPERTY BOUNDARY
ASH BASIN WASTE BOUNDARY
ASH STORAGE AREA BOUNDARY
COMPLIANCE BOUNDARY
COMPLIANCE BOUNDARY COINCIDENT WITH DUKE PROPERTY
BOUNDARY
STREAM
LANDFILL - LAND CLEARING & INERT DEBRIS
TOPOGRAPHIC CONTOUR (4-FT INTERVAL)
ASH BASIN COMPLIANCE GROUNDWATER MONITORING WELL
ASH BASIN VOLUNTARY GROUNDWATER MONITORING WELL
NPDES OUTFALL LOCATION
RIVER FLOW DIRECTION
COMPLIANCE AND VOLUNTARY MONITORING WELLS
DUKE ENERGY CAROLINAS, LLC
DAN RIVER STEAM STATION ASH BASIN
DATE
AUGUST 2015
FIGURE
ROCK NGHAM COUNTY, NORTH CAROB NA
2-7