NC0000396_App C Errata_20160831

FILL, medium, red (2.5 YR, 4/6), moist to dry with
depth, non plastic, silt with some fine sand.
SAPROLITE, medium brown to very dark brown (7.5
YR, 5/4 to 7.5 YR, 2.5/2), relic structure apparent
throughout, highly ozidized zones, nearly black at 21'.
ML
Protective casing with
locking cap
Grout
2" Sch. 40 threaded PVC
riser
Bentonite seal
Sand Pack
2" pre-packed well screen
SA
M
P
L
E
DESCRIPTION
BL
O
W
CO
U
N
T
S
MW-08S
5
10
15
20
25
30
35
GR
A
P
H
I
C
LO
G
US
C
S
DE
P
T
H
(f
t
)
PAGE 1 OF 2
3/3/15
DRILLING COMPANY:
DRILLING METHOD:
BOREHOLE DIAMETER:
NOTES:
COMPLETED:3/3/15
CLIENT: Duke Energy Progress, LLC.
PROJECT:
PROJECT NO:
PROJECT LOCATION: Arden, NC
Asheville Steam Plant
1026.102
WELL
CONSTRUCTIONPI
D
(p
p
m
)
WELL / BORING NO:
STARTED:
RE
C
O
V
.
(%
)
SynTerra
148 River Street, Suite 220
Greenville, South Carolina 29601
Phone: [phone]
NORTHING:
G.S. ELEV:
DEPTH TO WATER:
LOGGED BY:
EASTING:
M.P. ELEV:
TOTAL DEPTH:
CHECKED BY:
943389.913
2123.343 ft MSL
40.0 ft BGS
T. Plating
644584.03
2123.457 ft MSL
ft TOC
S. Wixon
Cascade Drilling
Rotary Sonic
6 IN
LO
G

A

E
W
N
N
0
4

D
E
P

A
S
H
E
V
I
L
L
E
.
G
P
J

G
I
N
T

S
T
D

A
4

A
S
T
M

L
A
B
.
G
D
T

2
/
2
/
1
6
SA
M
P
L
E
DESCRIPTION
BL
O
W
CO
U
N
T
S
MW-08S
45
50
55
60
65
70
75
GR
A
P
H
I
C
LO
G
US
C
S
DE
P
T
H
(f
t
)
PAGE 2 OF 2
3/3/15
DRILLING COMPANY:
DRILLING METHOD:
BOREHOLE DIAMETER:
NOTES:
COMPLETED:3/3/15
CLIENT: Duke Energy Progress, LLC.
PROJECT:
PROJECT NO:
PROJECT LOCATION: Arden, NC
Asheville Steam Plant
1026.102
WELL
CONSTRUCTIONPI
D
(p
p
m
)
WELL / BORING NO:
STARTED:
RE
C
O
V
.
(%
)
SynTerra
148 River Street, Suite 220
Greenville, South Carolina 29601
Phone: [phone]
NORTHING:
G.S. ELEV:
DEPTH TO WATER:
LOGGED BY:
EASTING:
M.P. ELEV:
TOTAL DEPTH:
CHECKED BY:
943389.913
2123.343 ft MSL
40.0 ft BGS
T. Plating
644584.03
2123.457 ft MSL
ft TOC
S. Wixon
Cascade Drilling
Rotary Sonic
6 IN
LO
G

A

E
W
N
N
0
4

D
E
P

A
S
H
E
V
I
L
L
E
.
G
P
J

G
I
N
T

S
T
D

A
4

A
S
T
M

L
A
B
.
G
D
T

2
/
2
/
1
6
FILL, medium, red (2.5 YR, 4/6), moist to dry with
depth, non plastic, silt with some fine sand.
SAPROLITE, medium brown to very dark brown (7.5
YR, 5/4 to 7.5 YR, 2.5/2), relic structure apparent
throughout, highly ozidized zones, nearly black at 21'.
ML
Protective casing with
locking cap
Grout
6" PVC surface casing
2" Sch. 40 threaded PVC
riser
SA
M
P
L
E
DESCRIPTION
BL
O
W
CO
U
N
T
S
MW-08BR
5
10
15
20
25
30
35
GR
A
P
H
I
C
LO
G
US
C
S
DE
P
T
H
(f
t
)
PAGE 1 OF 3
3/2/15
DRILLING COMPANY:
DRILLING METHOD:
BOREHOLE DIAMETER:
NOTES:
COMPLETED:2/27/15
CLIENT: Duke Energy Progress, LLC.
PROJECT:
PROJECT NO:
PROJECT LOCATION: Arden, NC
Asheville Steam Plant
1026.102
WELL
CONSTRUCTIONPI
D
(p
p
m
)
WELL / BORING NO:
STARTED:
RE
C
O
V
.
(%
)
SynTerra
148 River Street, Suite 220
Greenville, South Carolina 29601
Phone: [phone]
NORTHING:
G.S. ELEV:
DEPTH TO WATER:
LOGGED BY:
EASTING:
M.P. ELEV:
TOTAL DEPTH:
CHECKED BY:
943388.961
2123.885 ft MSL
97.0 ft BGS
T. Plating
644588.011
2123.896 ft MSL
ft TOC
S. Wixon
Cascade Drilling
Rotary Sonic
10 and 6 IN
LO
G

A

E
W
N
N
0
4

D
E
P

A
S
H
E
V
I
L
L
E
.
G
P
J

G
I
N
T

S
T
D

A
4

A
S
T
M

L
A
B
.
G
D
T

2
/
2
/
1
6
SAPROLITE, medium brown to very dark brown (7.5
YR, 5/4 to 7.5 YR, 2.5/2), relic structure apparent
throughout, highly ozidized zones, nearly black at 21'.
(continued)
Transition zone, partially weathered rock, thin rock
fragments broken along foliation, dry.
4' recovery, competent bedrock. Amphibolite gneiss,
minor garnets and pyrite present.
GNEISS, gray to dark gray, fresh, slightly decomposed,
secondary mineralization observed in fractures.
Amphibolite gneiss, strong gray to black, greenish
black at 61'.
Same as above, greenish black at 67-72', white, garnet
rich interval, slight weathering at 72-77'.
Same as above, light greenish gray 77-78'.
Bentonite seal
Sand Pack
2" pre-packed well screen
SA
M
P
L
E
DESCRIPTION
BL
O
W
CO
U
N
T
S
MW-08BR
45
50
55
60
65
70
75
GR
A
P
H
I
C
LO
G
US
C
S
DE
P
T
H
(f
t
)
PAGE 2 OF 3
3/2/15
DRILLING COMPANY:
DRILLING METHOD:
BOREHOLE DIAMETER:
NOTES:
COMPLETED:2/27/15
CLIENT: Duke Energy Progress, LLC.
PROJECT:
PROJECT NO:
PROJECT LOCATION: Arden, NC
Asheville Steam Plant
1026.102
WELL
CONSTRUCTIONPI
D
(p
p
m
)
WELL / BORING NO:
STARTED:
RE
C
O
V
.
(%
)
SynTerra
148 River Street, Suite 220
Greenville, South Carolina 29601
Phone: [phone]
NORTHING:
G.S. ELEV:
DEPTH TO WATER:
LOGGED BY:
EASTING:
M.P. ELEV:
TOTAL DEPTH:
CHECKED BY:
943388.961
2123.885 ft MSL
97.0 ft BGS
T. Plating
644588.011
2123.896 ft MSL
ft TOC
S. Wixon
Cascade Drilling
Rotary Sonic
10 and 6 IN
LO
G

A

E
W
N
N
0
4

D
E
P

A
S
H
E
V
I
L
L
E
.
G
P
J

G
I
N
T

S
T
D

A
4

A
S
T
M

L
A
B
.
G
D
T

2
/
2
/
1
6
Same as above, light greenish gray 77-78'. (continued)
Same as above, black 87-90', light gray to white 90-92'.
Boring terminated at 97' bgs. Bentonite chips placed in
borehole to a depth of 84' bgs to facilitate well
placement.
SA
M
P
L
E
DESCRIPTION
BL
O
W
CO
U
N
T
S
MW-08BR
85
90
95
100
105
110
115
GR
A
P
H
I
C
LO
G
US
C
S
DE
P
T
H
(f
t
)
PAGE 3 OF 3
3/2/15
DRILLING COMPANY:
DRILLING METHOD:
BOREHOLE DIAMETER:
NOTES:
COMPLETED:2/27/15
CLIENT: Duke Energy Progress, LLC.
PROJECT:
PROJECT NO:
PROJECT LOCATION: Arden, NC
Asheville Steam Plant
1026.102
WELL
CONSTRUCTIONPI
D
(p
p
m
)
WELL / BORING NO:
STARTED:
RE
C
O
V
.
(%
)
SynTerra
148 River Street, Suite 220
Greenville, South Carolina 29601
Phone: [phone]
NORTHING:
G.S. ELEV:
DEPTH TO WATER:
LOGGED BY:
EASTING:
M.P. ELEV:
TOTAL DEPTH:
CHECKED BY:
943388.961
2123.885 ft MSL
97.0 ft BGS
T. Plating
644588.011
2123.896 ft MSL
ft TOC
S. Wixon
Cascade Drilling
Rotary Sonic
10 and 6 IN
LO
G

A

E
W
N
N
0
4

D
E
P

A
S
H
E
V
I
L
L
E
.
G
P
J

G
I
N
T

S
T
D

A
4

A
S
T
M

L
A
B
.
G
D
T

2
/
2
/
1
6
Well ID
Water
Elevation
(MSL)Monitoring Event:
MW-9BR 2113.51
MW-16BR 2026.74
MSL - Feet Above Mean Sea Level
Depth measurements in feet
MW-9BR to MW-16BR
DISTANCE GRADIENT
810 0.10712
HORIZONTAL GRADIENT (i):0.1071
Average Groundwater Velocity (V)* Phase I
*Based on the Darcy Equation where velocity equals (K x i) / n
Hydraulic Conductivity values (units of ft/day) from Table 6-8
Test 1 8.38E-02
Test 2 8.06E-02
PK-SI Test 1 3.23E+01
PK-SI Test 2 1.54E+01
PK-SO Test 1 3.72E+01
PK-SO Test 2 3.50E+01
Hydraulic Conductivity (K)4.0452 foot/day
(Geometric Mean of K for MW-9BR and MW-16BR)
Average Horizontal Gradient (i)0.1071 foot/foot
Porosity (n)34 percent
Velocity =1.27450 foot/day 465 foot/year
ASSUMPTIONS:
Prepared by:BDW Date:
Checked:TDP Date:
Duke - Asheville
7/11/2016
June 2015
CHANGE IN LEVEL
86.77
7/11/2016
MW-09BR 8.22E-02Slug Out
MW-16BR 2.84E+01
1. K of 4.0452 ft/day based on in-situ slug and packer tests
2. Porosity based on values from Morris and Johnson 1967 crystalline rocks. Range from 34% to 57%. 34% used
based on geologic conditions at the site.
P:\Duke Energy Progress.1026\102. Asheville Ash Basin GW Assessment Plan\19.EG_CSASUP\Errata\MW-9BR to MW-16BR REVISED.xls