NC0004961_RBSS_SARP_Rev0_Appx D_20161219

Amec Foster Wheeler Environment & Infrastructure, Inc. December 2016
Duke Energy Coal Combustion Residuals Management Program
Riverbend Steam Station Site Analysis and Removal Plan
Revision 0

APPENDIX D: RIVERBEND STEAM STATION ASH
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .001 COVER SHEET.dwg1 1.001 RVB_C901.004.001PERMIT ISSUE - NOT FOR CONSTRUCTIONCOVER SHEETRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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REVISED SHEETS .015 TO .018

1 .001 DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098DRAWING NUMBER TABLE DRAWING NUMBER DRAWING TITLE .053 DAM BREACH CROSS-SECTION LOCATIONS .054 PRIMARY DAM (GASTO-097) BREACH CHANNELS 1 & 2 SECTIONS .055 SECONDARY DAM (GASTO-098) BREACH SECTIONS
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5.

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6.

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A
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.
7.

T
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T
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.
8.

A
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N
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9.

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2.

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3.

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A
C
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S

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(
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S
)

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I
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.
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N
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(
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N
O
T
E
S
:
1.

A
L
L

E
R
O
S
I
O
N

A
N
D

S
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D
I
M
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N
T

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A
L
L
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P
R
I
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T
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A
N
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L
A
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DI
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T
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B
I
N
G

A
C
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I
V
I
T
I
E
S
.
2.

A
D
D
I
T
I
O
N
A
L

E
S
C

M
E
A
S
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R
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W
I
L
L

B
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I
M
P
L
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M
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F

T
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X
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M
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A
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R
F
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M
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A
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F
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.
3.

C
O
N
T
R
A
C
T
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R

S
H
A
L
L

M
A
I
N
T
A
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A
L
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F
F
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O
P
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T
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G

O
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D
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R
UN
T
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L

S
U
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.

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H
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OR

R
E
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L
A
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,

A
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A
P
P
L
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,

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H
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H
A
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B
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N

R
E
N
D
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R
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D

I
N
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P
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R
A
B
L
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F
O
R
AN
Y

R
E
A
S
O
N
.
4.

E
S
C

M
E
A
S
U
R
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S

S
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A
L
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R
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M
A
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L
A
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A
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B
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P
R
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M
A
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Q
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(
N
C
D
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Q
)
.
5.

E
R
O
S
I
O
N

A
N
D

S
E
D
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M
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N
T

C
O
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T
R
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M
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A
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S
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D

A
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L
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P
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R

7

C
A
L
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N
D
A
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DA
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A
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W
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N

2
4

H
O
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A

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0
.
5

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N
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P
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2
4

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D
.
6.

E
R
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S
I
O
N

A
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D

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M
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T

C
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R
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M
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C
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T
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LA
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V
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N

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N
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D
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Q

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E
R
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A
N
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L
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VE
G
E
T
A
T
I
O
N

R
E
M
O
V
A
L

N
O
T
E
S
:
1.

A
L
L

V
E
G
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T
A
T
I
O
N
,

I
N
C
L
U
D
I
N
G

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R
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S
S
,

B
R
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S
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,

T
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,

A
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R

W
O
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Y

V
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A
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S
S
A
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TO

C
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L
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T
H
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G
R
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G

A
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B
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A
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.
2.

A
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T
A
T
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N

A
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.
3.

V
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B
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B
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O
W
N
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.

N
O
BU
R
N
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B
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D
.
4.

T
O
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.

T
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D

3

I
N
C
H
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S

T
H
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.

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.
5.

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.

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R
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OR

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.
6.

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R
.

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.

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R
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.
AG
G
R
E
G
A
T
E

N
O
T
E
S
:
1.

I
M
P
O
R
T
E
D

A
G
G
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G
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S
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A
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T
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R
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C
T
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N

1
0
0
5

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A
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P
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C
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I
N

N
C
D
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T
A
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S

F
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R
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D
A
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J
A
N
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A
R
Y

2
0
1
2
.
2.

A
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M
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E
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T
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N
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M
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T
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.
3.

I
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P
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A
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A
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B
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F
R
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F

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D
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,

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,

T
R
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,

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R

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R

D
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A
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.
4.

A
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D
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R
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D

T
O

T
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B
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L
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T
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WRITING.8.

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,
FERTILIZER AND LIME SHALL BE APPLIED AT THE FOLLOWING RATES:10-10-10 FERTILIZER

5
0
0

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GROUND LIME

2
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UNLESS APPROVED BY THE OWNER IN WRITING.
ER
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3

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B
I
L
I
Z
A
T
I
O
N

F
R
O
M

T
H
E

S
I
T
E
.
9.

A
D
D
I
T
I
O
N
A
L

E
S
C

M
E
A
S
U
R
E
S

S
H
A
L
L

B
E

E
R
E
C
T
E
D

O
R

I
M
P
L
E
M
E
N
T
E
D

I
F

T
H
E

E
X
I
S
T
I
N
G

M
E
A
S
U
R
E
S

A
R
E
NO
T

A
D
E
Q
U
A
T
E

T
O

M
E
E
T

S
T
A
T
E

A
N
D

F
E
D
E
R
A
L

R
E
G
U
L
A
T
I
O
N
S

B
A
S
E
D

O
N

F
I
E
L
D

C
O
N
D
I
T
I
O
N
S
.
CH
A
N
G
E
S

O
R

A
D
D
I
T
I
O
N
S

T
O

E
S
C

M
E
A
S
U
R
E
S

S
H
A
L
L

B
E

D
O
C
U
M
E
N
T
E
D

A
N
D

S
H
O
W
N

O
N

A

S
E
T

O
F
CO
N
S
T
R
U
C
T
I
O
N

D
R
A
W
I
N
G
S
.

T
H
I
S

S
E
T

O
F

C
O
N
S
T
R
U
C
T
I
O
N

D
R
A
W
I
N
G
S

M
U
S
T

B
E

M
A
I
N
T
A
I
N
E
D

A
N
D
AV
A
I
L
A
B
L
E

O
N
S
I
T
E

U
P
O
N

R
E
Q
U
E
S
T

A
T

A
L
L

T
I
M
E
S

D
U
R
I
N
G

C
O
N
S
T
R
U
C
T
I
O
N
.
10
.

R
E
M
O
V
E

S
E
D
I
M
E
N
T

F
R
O
M

B
E
H
I
N
D

S
I
L
T

F
E
N
C
E

W
H
E
N

T
H
E

A
C
C
U
M
U
L
A
T
E
D

M
A
T
E
R
I
A
L

R
E
A
C
H
E
S
ON
E
-
T
H
I
R
D

T
H
E

H
E
I
G
H
T

O
F

T
H
E

S
I
L
T

F
E
N
C
E

O
R

A
S

N
E
C
E
S
S
A
R
Y

T
O

P
R
O
V
I
D
E

A
D
E
Q
U
A
T
E

S
T
O
R
A
G
E
VO
L
U
M
E

A
N
D

T
O

R
E
D
U
C
E

P
R
E
S
S
U
R
E

O
N

T
H
E

F
E
N
C
E
.

A
V
O
I
D

U
N
D
E
R
M
I
N
I
N
G

T
H
E

F
E
N
C
E

D
U
R
I
N
G
CL
E
A
N
O
U
T
.

R
E
S
E
T

A
N
D
/
O
R

R
E
P
L
A
C
E

F
E
N
C
E

A
S

R
E
Q
U
I
R
E
D

T
H
R
O
U
G
H
O
U
T

C
O
N
S
T
R
U
C
T
I
O
N
.
11
.

C
O
N
S
T
R
U
C
T
I
O
N

E
N
T
R
A
N
C
E
S
/
E
X
I
T
S

M
A
Y

B
E

U
S
E
D

A
T

D
O
T
/
P
U
B
L
I
C

R
O
A
D

C
R
O
S
S
I
N
G
S
.

C
O
N
T
R
A
C
T
O
R
SH
A
L
L

M
A
K
E

E
V
E
R
Y

E
F
F
O
R
T

T
O

M
I
N
I
M
I
Z
E

T
R
A
C
K
I
N
G

O
F

D
I
R
T

A
N
D

M
U
D

O
N
T
O

P
U
B
L
I
C

S
T
R
E
E
T
S

O
R
RO
A
D
W
A
Y
S
.

C
O
N
T
R
A
C
T
O
R

S
H
A
L
L

B
E

R
E
S
P
O
N
S
I
B
L
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F
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R

C
L
E
A
N
I
N
G

P
U
B
L
I
C

S
T
R
E
E
T
S

O
R
RO
A
D
W
A
Y
S

O
F

D
I
R
T

O
R

M
U
D

T
R
A
N
S
P
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R
T
E
D

A
S

A

R
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S
U
L
T

O
F

C
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N
S
T
R
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C
T
I
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N

A
C
T
I
V
I
T
I
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S
.
CL
E
A
N
I
N
G

S
H
A
L
L

B
E

D
A
I
L
Y

O
R

A
S

R
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Q
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D

T
O

A
V
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D

S
A
F
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N
C
E
R
N
S

O
R

C
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N
D
I
T
I
O
N
S

T
H
A
T
AR
E

O
F

N
U
I
S
A
N
C
E

T
O

T
H
E

P
U
B
L
I
C
.
12
.

O
W
N
E
R

M
A
Y

S
C
H
E
D
U
L
E

A

P
R
E
-
C
O
N
S
T
R
U
C
T
I
O
N

M
E
E
T
I
N
G

P
R
I
O
R

T
O

B
E
G
I
N
N
I
N
G

C
O
N
S
T
R
U
C
T
I
O
N
WI
T
H

M
O
O
R
E
S
V
I
L
L
E

R
E
G
I
O
N
A
L

N
C
D
E
Q

O
F
F
I
C
E
.

O
W
N
E
R

M
A
Y

R
E
Q
U
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S
T

T
H
A
T

R
E
P
R
E
S
E
N
T
A
T
I
V
E
S

O
F
TH
E

C
O
N
T
R
A
C
T
O
R

A
T
T
E
N
D

T
H
E

M
E
E
T
I
N
G
.
CI
N
D
E
R

S
T
O
R
A
G
E

A
R
E
A
:
1.

P
U
M
P
-
A
N
D
-
T
R
E
A
T

S
E
D
I
M
E
N
T

B
A
S
I
N

S
B
-
0
2

S
H
A
L
L

B
E

I
N
S
T
A
L
L
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D

A
N
D

F
U
L
L
Y

F
U
N
C
T
I
O
N
A
L

P
R
I
O
R

T
O
CO
M
M
E
N
C
E
M
E
N
T

O
F

S
I
G
N
I
F
I
C
A
N
T

L
A
N
D

D
I
S
T
U
R
B
I
N
G

A
C
T
I
V
I
T
I
E
S

W
I
T
H
I
N

T
H
E

C
I
N
D
E
R

S
T
O
R
A
G
E
AR
E
A

O
R

A
S
S
O
C
I
A
T
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D

D
R
A
I
N
A
G
E

A
R
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A
S
.

U
N
T
I
L

P
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M
P
-
A
N
D
-
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R
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A
T

S
E
D
I
M
E
N
T

B
A
S
I
N

S
B
-
0
2

I
S
IN
S
T
A
L
L
E
D
,

O
N
L
Y

L
A
N
D

D
I
S
T
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R
B
A
N
C
E

I
N

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H
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C
I
N
D
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R

S
T
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A
G
E

A
R
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A

D
R
A
I
N
A
G
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A
R
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A
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D
I
R
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C
T
L
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RE
L
A
T
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D

T
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C
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N
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T
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T
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N

O
F

T
H
E

S
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D
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M
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N
T

B
A
S
I
N

M
A
Y

B
E

P
E
R
F
O
R
M
E
D
.
2.

D
I
V
E
R
S
I
O
N

D
I
T
C
H
E
S

S
H
A
L
L

B
E

C
O
N
S
T
R
U
C
T
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D

P
E
R

T
H
E

D
R
A
W
I
N
G
S

T
O

D
I
R
E
C
T

W
A
T
E
R

T
O
W
A
R
D
TE
M
P
O
R
A
R
Y

S
E
D
I
M
E
N
T

B
A
S
I
N
S
.

A
S

L
A
N
D

D
I
S
T
U
R
B
A
N
C
E

A
C
T
I
V
I
T
I
E
S

P
R
O
C
E
E
D
,

D
I
V
E
R
S
I
O
N

D
I
T
C
H
E
S
MA
Y

N
E
E
D

T
O

B
E

A
D
J
U
S
T
E
D

O
R

R
E
A
L
I
G
N
E
D

T
O

A
C
C
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M
P
L
I
S
H

O
B
J
E
C
T
I
V
E

O
F

C
O
N
T
R
O
L
L
I
N
G

R
U
N
O
F
F
.
3.

O
N
C
E

C
C
R

M
A
T
E
R
I
A
L
S

A
R
E

C
O
M
P
L
E
T
E
L
Y

R
E
M
O
V
E
D

F
R
O
M

R
E
L
E
V
A
N
T

D
R
A
I
N
A
G
E

A
R
E
A
S

S
E
D
I
M
E
N
T
BA
S
I
N

S
B
-
0
3

I
S

T
O

B
E

C
O
N
S
T
R
U
C
T
E
D

A
N
D

S
H
A
L
L

B
E

M
A
I
N
T
A
I
N
E
D

U
N
T
I
L

F
I
N
A
L

G
R
A
D
E
S

A
N
D
VE
G
E
T
A
T
I
V
E

C
O
V
E
R

I
S

E
S
T
A
B
L
I
S
H
E
D

I
N

R
E
L
E
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A
N
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D
R
A
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N
A
G
E

A
R
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A
S
.

A
F
T
E
R

S
E
D
I
M
E
N
T

B
A
S
I
N
SB
-
0
3

I
S

C
O
N
S
T
R
U
C
T
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D

A
N
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F
U
L
L
Y

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N
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T
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A
L

T
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T
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N

O
F

R
A
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P
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R

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E
T
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N

T
H
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A
S
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ST
A
C
K

A
N
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C
I
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D
E
R

S
T
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A
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E

A
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M
M
I
S
S
I
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N
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D
.

U
P
O
N

C
L
O
S
U
R
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O
F

R
E
L
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V
A
N
T
PE
R
M
I
T
T
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D

D
R
A
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N
A
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E

A
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A
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F
R
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N
C
D
E
Q
,

T
H
E

B
A
S
I
N

S
H
A
L
L

B
E

D
E
C
O
M
M
I
S
S
I
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N
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D

B
Y

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E
M
O
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I
N
G
AC
C
U
M
U
L
A
T
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D

S
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D
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M
E
N
T

F
R
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M

T
H
E

B
A
S
I
N

I
N
T
E
R
I
O
R
,

R
E
M
O
V
I
N
G

T
H
E

S
K
I
M
M
E
R

A
N
D

R
I
S
E
R
ST
R
U
C
T
U
R
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,

B
A
C
K
F
I
L
L
I
N
G

T
H
E

B
A
S
I
N

W
I
T
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C
O
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P
A
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D

F
I
L
L
,

A
N
D

S
E
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D
I
N
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A
N
D

M
U
L
C
H
I
N
G

T
H
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DI
S
T
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R
B
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D

A
R
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A

P
E
R

T
H
E

S
P
E
C
I
F
I
C
A
T
I
O
N
S
.
DR
Y

S
T
A
C
K
:
1.

P
U
M
P
-
A
N
D
-
T
R
E
A
T

B
A
S
I
N

S
B
-
0
1

S
H
A
L
L

B
E

I
N
S
T
A
L
L
E
D

A
N
D

F
U
L
L
Y

F
U
N
C
T
I
O
N
A
L

P
R
I
O
R

T
O
CO
M
M
E
N
C
E
M
E
N
T

O
F

S
I
G
N
I
F
I
C
A
N
T

L
A
N
D

D
I
S
T
U
R
B
I
N
G

A
C
T
I
V
I
T
I
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S

W
I
T
H
I
N

T
H
E

D
R
Y

S
T
A
C
K

A
R
E
A

O
R
AS
S
O
C
I
A
T
E
D

D
R
A
I
N
A
G
E

A
R
E
A
S
.

U
N
T
I
L

P
U
M
P
-
A
N
D
-
T
R
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A
T

B
A
S
I
N

S
B
-
0
1

I
S

I
N
S
T
A
L
L
E
D
,

O
N
L
Y

L
A
N
D
DI
S
T
U
R
B
A
N
C
E

I
N

T
H
E

D
R
Y

S
T
A
C
K

D
R
A
I
N
A
G
E

A
R
E
A
S

D
I
R
E
C
T
L
Y

R
E
L
A
T
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D

T
O

C
O
N
S
T
R
U
C
T
I
O
N

O
F

T
H
E
SE
D
I
M
E
N
T

B
A
S
I
N

M
A
Y

B
E

P
E
R
F
O
R
M
E
D
.
2.

D
I
V
E
R
S
I
O
N

D
I
T
C
H
E
S

S
H
A
L
L

B
E

C
O
N
S
T
R
U
C
T
E
D

P
E
R

T
H
E

D
R
A
W
I
N
G
S

T
O

D
I
R
E
C
T

W
A
T
E
R

T
O
W
A
R
D
TE
M
P
O
R
A
R
Y

S
E
D
I
M
E
N
T

B
A
S
I
N
S
.

A
S

L
A
N
D

D
I
S
T
U
R
B
A
N
C
E

A
C
T
I
V
I
T
I
E
S

P
R
O
C
E
E
D
,

D
I
V
E
R
S
I
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3.

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:
1.

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2.

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3.

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A
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.
PH
A
S
E

1
1.

E
R
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T

E
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C

M
E
A
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I
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C
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A
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S
H
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W
N

O
N

D
R
A
W
I
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G

N
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.

.
0
0
4

P
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R

N
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D
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.
2.

C
O
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T
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C
T

T
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M
P
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A
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Y

P
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M
P
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A
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B
A
S
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B
-
0
1

A
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M
P
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A
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N
D
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B
A
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I
N
SB
-
0
2

T
Y
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N
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I
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.

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A
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A
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D
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C
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S
.
3.

I
N
S
T
A
L
L

C
L
E
A
N

W
A
T
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R

D
I
V
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R
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N

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P
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A
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D
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N

D
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C
H
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S

A
S
AP
P
R
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P
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A
T
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W
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I
N

D
R
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N
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G
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A
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A
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P
R
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T
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C
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M
E
N
C
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L
A
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D
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B
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.
AS

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.
4.

C
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A
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P
P
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A
B
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.
5.

P
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R

T
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C
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T
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A
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'
S

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M
A
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(
C
C
R
)

F
R
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M

T
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D
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S
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.
0
5
1
.
6.

R
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M
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I
N
T
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M
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D
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A
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D
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(
G
A
S
T
O
-
0
9
9
)

P
E
R

R
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Q
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M
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ON

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.

.
0
1
4
.
7.

B
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D
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B
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A
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-
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.

.
0
1
4
.

S
T
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P
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P
R
I
A
T
E
.
3.

R
E
M
O
V
E

S
E
D
I
M
E
N
T

A
S

N
E
E
D
E
D

T
O

R
E
T
A
I
N

P
O
S
I
T
I
V
E

F
L
O
W

W
I
T
H
I
N

D
I
V
E
R
S
I
O
N
.
4.

A
D
D
I
T
I
O
N
A
L

D
I
V
E
R
S
I
O
N
S

M
A
Y

B
E

C
O
N
S
T
R
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C
T
E
D

W
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T
H

O
W
N
E
R
'
S

A
P
P
R
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V
A
L

T
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P
R
O
T
E
C
T

C
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N
T
R
A
C
T
O
R
'
S
WO
R
K
.
5.

T
E
M
P
O
R
A
R
Y

D
I
V
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R
S
I
O
N

D
I
T
C
H

L
O
C
A
T
I
O
N
S

S
H
O
W
N

A
R
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A
P
P
R
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X
I
M
A
T
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A
N
D

M
A
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B
E

M
O
D
I
F
I
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D
,

W
I
T
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EN
G
I
N
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E
R
S

A
P
P
R
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A
L
,

T
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T

S
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C
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N
D
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T
I
O
N
S
.
CO
M
P
A
C
T
E
D

F
I
L
L
FL
O
W
2'

M
I
N
I
M
U
M
1'
-
6
"
MI
N
I
M
U
M
TE
M
P
O
R
A
R
Y

D
I
V
E
R
S
I
O
N
EROSION CONTROL MATTING
6'

T
Y
P
I
C
A
L
GE
N
E
R
A
L

N
O
T
E
S
:
1.

S
P
A
C
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C
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C
K

D
A
M

I
N

A

C
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A
N
N
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T
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T
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C
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D
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.
2.

S
T
O
N
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S
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L
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D

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V
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T
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C
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A
N
N
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L

B
A
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S

T
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K
E
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P

W
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F
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N
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A
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T
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D
A
M
.
MA
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N
T
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N
A
N
C
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N
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T
E
S
:
1.

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N
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P
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C
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C
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C
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A
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N
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A
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L
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A
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.
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R

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2.

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3.

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TOE IN UPSTREAM EDGE OF MATTING
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D
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N

D
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C
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N
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S
1.

C
L
E
A
N

W
A
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D
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S
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N

D
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N
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E
C
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T
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S
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D
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M
E
N
T

T
R
A
N
S
P
O
R
T
A
T
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O
N

F
R
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M
DI
S
T
U
R
B
E
D

A
R
E
A
S
.
2.

C
L
E
A
N

W
A
T
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R

D
I
V
E
R
S
I
O
N

D
I
T
C
H
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S
H
A
L
L

B
E

C
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S
T
R
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C
T
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D

W
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T
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T
R
A
P
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S
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D

C
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S
S

S
E
C
T
I
O
N
S
.
3.

C
L
E
A
N

W
A
T
E
R

D
I
V
E
R
S
I
O
N

D
I
T
C
H
E
S

M
A
Y

B
E

G
R
A
S
S

L
I
N
E
D

F
O
R

D
I
T
C
H
E
S

W
I
T
H

G
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A
D
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L
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S
S

T
H
A
N

5

P
E
R
C
E
N
T
.

R
I
P

R
A
P

L
I
N
I
N
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S
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A
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B
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Q
U
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D
WH
E
R
E

G
R
A
D
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E
X
C
E
E
D

5

P
E
R
C
E
N
T

O
R

R
U
N
O
F
F

V
E
L
O
C
I
T
I
E
S

R
E
S
U
L
T

I
N

E
R
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I
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N

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F

T
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D
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C
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S
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C
T
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N
.

G
R
A
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L
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N
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D
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T
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A
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E
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C
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B
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D
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C
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A
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N
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C
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T
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T

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D

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R
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S
I
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N
.
4.

E
R
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S
I
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C
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T
R
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M
A
T
T
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G

(
E
C
M
)

S
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A
L
L

B
E

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D

I
N

A
L
L

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L
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N
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A
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D
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C
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A
N
D

P
L
A
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D

P
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S
P
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Q
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S
.

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S
I
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N

C
O
N
T
R
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L

M
A
T
T
I
N
G
.
5.

C
L
E
A
N

W
A
T
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R

D
I
V
E
R
S
I
O
N

D
I
T
C
H
E
S

M
A
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B
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S
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D

A
T

T
H
E

C
O
N
T
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A
C
T
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'
S

D
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N

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D

B
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T
H
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O
W
N
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C
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T
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N
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F

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B
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N
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N
T
E
R
M
I
N
G
L
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D
.
6.

R
O
C
K

O
U
T
L
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T
S

O
R

E
N
E
R
G
Y

D
I
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S
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P
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N

M
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A
S
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M
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B
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Q
U
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D

A
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T
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R
M
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N
A
T
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N

O
F

C
L
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A
N

W
A
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D
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N

D
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T
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N
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R
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S
U
L
T
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F
R
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C
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D

F
L
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E
X
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T
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N
G

T
H
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D
I
T
C
H
.
7.

A
D
D
I
T
I
O
N
A
L

D
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T
A
I
L
S

R
E
G
A
R
D
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N
G

C
L
E
A
N

W
A
T
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R

D
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S
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D
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C
H
E
S

M
A
Y

B
E

F
O
U
N
D

I
N

S
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C
T
I
O
N

6
.
3
0

O
F

N
C
D
E
Q
'
S
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R
O
S
I
O
N
AN
D

S
E
D
I
M
E
N
T

C
O
N
T
R
O
L
PL
A
N
N
I
N
G

A
N
D

D
E
S
I
G
N

M
A
N
U
A
L
.
”
2
1
MA
X
1
3
3
1
2'
CL
E
A
N

W
A
T
E
R

D
I
V
E
R
S
I
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N

1

A
N
D

2

-

(
P
H
A
S
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1
)
PE
R
M
A
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CL
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A
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T
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R

D
I
V
E
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S
I
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N

2

-

(
P
H
A
S
E

2
)
NC
D
O
T

#
5
7

S
T
O
N
E
(8
"

T
H
I
C
K
)
5'
DITCH OR CHANNEL INSTALLATION SLOPE INSTALLATION
SI
L
T

F
E
N
C
E

O
U
T
L
E
T

N
O
T
E
S
:
1.

S
I
L
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F
E
N
C
E

O
U
T
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T
S

S
H
A
L
L

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,

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.
3.

A
T

L
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A
S
T

F
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W
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K
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P
R
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M
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N

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T
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L
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T

A

D
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D

S
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P
L
A
N

T
O
TH
E

O
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F
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A
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T
H
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D
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D

S
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A
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W
I
L
L

I
N
C
L
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D
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,

A
T

A

M
I
N
I
M
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M
:
A.

J
O
B

H
A
Z
A
R
D

A
N
A
L
Y
S
E
S

(
J
H
A
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F
O
R

T
A
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K
S

A
S
S
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C
I
A
T
E
D

W
I
T
H

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C
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T
R
A
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S

S
C
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P
E

O
F

W
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;
B.

M
S
D
S
/
S
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S

F
O
R

A
L
L

M
A
T
E
R
I
A
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T
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C
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D
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T
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C
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O
F

T
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W
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;
C.

D
E
S
C
R
I
P
T
I
O
N

A
N
D

L
O
C
A
T
I
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N

O
F

S
A
F
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T
Y

P
R
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T
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I
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B
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D

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E
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Y
;
D.

I
D
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N
T
I
F
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A
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N

O
F

C
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,

C
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W
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D

I
M
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A
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S

S
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;

A
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E.

P
R
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P
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S
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M
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S
.
4.

A
L
L

S
U
B
M
I
T
T
A
L
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W
I
L
L

B
E

R
E
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W
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T
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O
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B
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W
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P
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U
P
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T
H
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W
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P
L
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T
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F
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R
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V
I
S
I
O
N
.
5.

M
O
D
I
F
I
C
A
T
I
O
N
S

T
O

T
H
E

C
O
N
S
T
R
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C
T
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N

A
N
D

E
X
C
A
V
A
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N

S
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Q
U
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N
C
I
N
G
,

M
E
A
N
S

A
N
D

M
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T
H
O
D
S
,

A
N
D
/
O
R

D
E
W
A
T
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N
G

M
E
A
N
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AN
D

M
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T
H
O
D
S

A
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A
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T
I
C
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P
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D
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D
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N
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L

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.

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C
L
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T
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K

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M
S
,

A
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A

M
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N
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M
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,

T
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C
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S

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P
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F
O
R
M
I
N
G
TH
E

S
C
O
P
E

O
F

W
O
R
K
.
1.

I
M
P
L
E
M
E
N
T
A
T
I
O
N

O
F

C
O
N
T
R
A
C
T
O
R
'
S

A
P
P
R
O
V
E
D

S
A
F
E
T
Y

P
L
A
N
.
2.

I
N
S
T
A
L
L

P
H
A
S
E

1

E
R
O
S
I
O
N

A
N
D

S
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D
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M
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N
T

C
O
N
T
R
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L

M
E
A
S
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S

P
R
I
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R

T
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L
A
N
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D
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B
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A
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.

R
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F
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N

A
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D

S
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D
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M
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N
T

C
O
N
T
R
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M
E
A
S
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S

S
H
A
L
L

B
E

I
N
S
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A
L
L
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D

A
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A
P
P
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P
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A
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A
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R
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Q
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D

B
A
S
E
D

O
N

T
H
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SE
Q
U
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N
C
I
N
G

O
F

T
H
E

P
R
O
J
E
C
T
.
3.

M
A
I
N
T
A
I
N

E
R
O
S
I
O
N

A
N
D

S
E
D
I
M
E
N
T

C
O
N
T
R
O
L

M
E
A
S
U
R
E
S

T
H
R
O
U
G
H
O
U
T

T
H
E

C
O
U
R
S
E

O
F

T
H
E

W
O
R
K
.

E
R
O
S
I
O
N

A
N
D

S
E
D
I
M
E
N
T
CO
N
T
R
O
L

M
E
A
S
U
R
E
S

S
H
A
L
L

M
E
E
T

A
N
D

F
U
N
C
T
I
O
N

P
E
R

N
C
D
E
Q

R
E
Q
U
I
R
E
M
E
N
T
S
.
4.

P
E
R

T
H
E

C
O
N
T
R
A
C
T
O
R
'
S

A
P
P
R
O
V
E
D

D
E
W
A
T
E
R
I
N
G

P
L
A
N
,

B
E
G
I
N

D
E
W
A
T
E
R
I
N
G

T
H
E

P
R
I
M
A
R
Y

A
N
D

S
E
C
O
N
D
A
R
Y

A
S
H

B
A
S
I
N
S
.
5.

P
E
R

T
H
E

C
O
N
T
R
A
C
T
O
R
'
S

A
P
P
R
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V
E
D

C
O
N
S
T
R
U
C
T
I
O
N

A
N
D

E
X
C
A
V
A
T
I
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N

S
E
Q
U
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N
C
I
N
G

P
L
A
N
,

B
E
G
I
N

R
E
M
O
V
I
N
G

C
C
R

M
A
T
E
R
I
A
L
S
FR
O
M

T
H
E

D
R
Y

S
T
A
C
K
,

C
I
N
D
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R

S
T
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A
G
E

A
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A
,

A
N
D

P
R
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M
A
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A
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D

S
E
C
O
N
D
A
R
Y

B
A
S
I
N

A
R
E
A
S
.
6.

P
E
R
F
O
R
M

D
A
M

B
R
E
A
C
H

G
A
S
T
O
-
0
9
9

P
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R

T
H
E

C
O
N
T
R
A
C
T
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R
'
S

A
P
P
R
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V
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D

S
E
Q
U
E
N
C
I
N
G

P
L
A
N
.
7.

B
E
G
I
N

D
E
M
O
L
I
T
I
O
N

O
F

I
N
T
A
K
E

S
T
R
U
C
T
U
R
E
S

(
2
)

P
E
R

T
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E

C
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N
T
R
A
C
T
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R
'
S

A
P
P
R
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V
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D

S
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Q
U
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N
C
I
N
G

P
L
A
N
.
8.

A
C
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I
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V
E

E
X
C
A
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A
T
I
O
N

G
R
A
D
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S

A
S

S
H
O
W
N

O
N

D
R
A
W
I
N
G
S
.
9.

P
E
R
F
O
R
M

D
A
M

B
R
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A
C
H
E
S

G
A
S
T
O
-
0
9
7

A
N
D

G
A
S
T
O
-
0
9
8

I
N

C
O
N
J
U
N
C
T
I
O
N

W
I
T
H

R
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M
O
V
A
L

O
F

C
C
R

M
A
T
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R
I
A
L

F
R
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M

T
H
E

P
R
I
M
A
R
Y
AN
D

S
E
C
O
N
D
A
R
Y

B
A
S
I
N

A
R
E
A
S
.
10
.

C
O
M
P
L
E
T
E

D
A
M

B
R
E
A
C
H
E
S

G
A
S
T
O
-
0
9
7

A
N
D

G
A
S
T
O
-
0
9
8

I
N

C
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N
J
U
N
C
T
I
O
N

W
I
T
H

A
P
P
R
O
P
R
I
A
T
E

E
S
C

S
E
Q
U
E
N
C
I
N
G

I
N
C
L
U
D
I
N
G
PH
A
S
E

2

R
E
S
T
R
I
C
T
I
O
N
S
.
11
.

P
L
A
C
E

C
O
M
P
A
C
T
E
D

F
I
L
L

I
N

C
I
N
D
E
R

S
T
O
R
A
G
E

A
R
E
A
,

D
R
Y

S
T
A
C
K
,

A
N
D

P
R
I
M
A
R
Y

A
N
D

S
E
C
O
N
D
A
R
Y

B
A
S
I
N

A
R
E
A
S

A
S

A
P
P
R
O
P
R
I
A
T
E
TO

A
C
H
I
E
V
E

F
I
N
A
L

G
R
A
D
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S

S
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CONSTRUCTION QUALITY ASSURANCE PLAN, AND
C. THE ACTUAL EXCAVATION GRADES WILL BE THE GRADES THAT RESULT FROM COMPLETION OF THE REMOVAL AND VERIFICATION PROCESS, WITH
ANY OWNER -APPROVED MODIFICATIONS THAT MAY BE NEEDED TO ACHIEVE PROPOSED FINAL GRADES (IN THE EVENT THAT ACTUAL EXCAVATION
GRADES ARE ABOVE PROPOSED FINAL GRADES).
3. SEE SURVEY REQUIREMENTS IN TECHNICAL SPECIFICATIONS FOR DATA COLLECTION REQUIREMENTS ASSOCIATED WITH EXCAVATION AND FINAL
GRADES.
4. EXCAVATION GRADES FOR DAM BREECHES NOT SHOWN: SEE SHEETS .019 THROUGH .022.
100 0 100 200 FT
1 11 /04/2016
0 10/18/2016
REV DATE
7810160625 CLOSURE PLAN Cl Cl TBM KRD
7810160625 CLOSURE PLAN Cl Cl TBM KRD
JOB NO. PROJECT TYPE DES IDFTRICHKDIENGR
KRD REVISED NOTES
KRD PERMIT ISSUE
APPD DESCRIPTION
2801 YORKMONT ROA1
SUITE 100
CHARLOTTE, NC 28208
TEL: [phone]
FAX: [phone]
LICENSURE:
NC ENG: F-1253
NC GEOLOGY: C-247
SEAL
amec
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FOR
RIVERBEND STEAM STATION
PROPOSED EXCAVATION GRADES
PERMIT ISSUE - NOT FOR CONSTRUCTION
DUKE
SCALE: AS SHOWN
DWG TYPE: DWG
NO: 6226-14-0007
ENERGYJOB
DATE: 10/18/2016
FILENAME: .017 PROPOSED EXCAVATION GRADES.dwg
DWG SIZE DRAWING NO.
ANSI D 22"x34" RVB C901.004.017
DES: CNB
DFTR: CNB
CHKD: TBM
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LIMITS OF DISTURBANCE
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ANY OWNER -APPROVED MODIFICATIONS THAT MAY BE NEEDED TO ACHIEVE PROPOSED FINAL GRADES (IN THE EVENT THAT ACTUAL EXCAVATION — / / _
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\ \ / I \ / I / / / / / / / / TITLE
Environment & ASH POND CCR REMOVAL GRADING PLAN
Infrastructure DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098
DUKE ENERGY / // / /i _ / V I \ V — \ \
2801 YORKMONT ROAD amec
CORPORATION
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SUITE 100
RIVERBEND STEAM STATION
PIN# 4519542126CHARLOTTE, NC 28208F foster
-8600TEL: (704) 357
LICEN URE: -8638 wheeler PROPOSED EXCAVATION GRADES
LICENSURE:
NC ENG: F-1253 FOR
NC GEOLOGY:C-247 PERMIT ISSUE - NOT FOR CONSTRUCTION
SEAL SCALE: AS SHOWN DES: CNB
DUKEDWG TYPE: DWG DFTR : CNB
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G�IN.�'` DWG SIZE DRAWING NO. REVISION
100 0 100 200 FT
1 11/04/2016 7810160625 CLOSURE PLAN CNB CNB TBM KRD KRD REVISED NOTES ;' ANSI D
0 10/18/2016 7810160625 CLOSURE PLAN CNB CNB TBM KRD KRD PERMIT ISSUE 22"X34" RVB C901.004.018 1
REV DATE JOB NO. PROJECT TYPE DES IDFTRICHKDIENGRI APPD DESCRIPTION —
i I I
INCHES 1 2 3 TENTHS 10 20 30 4 5 6 7 8 9 10
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Plotted By: Lynch, Phillip Sheet Set: 6226 14 007 ASH POND REMOVAL Layout:.018 PROPOSED EXCAVATION GRADES November 04, 2016 04: 29: 38pm 0: \Duke\RiverBend\6226140007 Duke RB Pond Closure\Plonsheets\.018 PROPOSED EXCAVATION GRADES.dwg

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0 .020 DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098 01:42:09 PM 10-18-2016 (-04'00' GMT)
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A
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A
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R

A
P
P
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4.

A
L
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C
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I
N

C
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M
A
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A
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3
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1
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5.

C
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(
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)

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R

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L
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .023 SLOPE STABILITY & DEWATERING NOTES.dwg0 0.023 RVB_C901.004.023PERMIT ISSUE - NOT FOR CONSTRUCTIONSLOPE STABILITY & DEWATERING NOTESRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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0 .023 DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098 01:42:20 PM 10-18-2016 (-04'00' GMT)
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DWG SIZE REVISIONFOR DRAWING NO.TITLE FILENAME:DWG TYPE:JOB NO:DATE:SCALE:

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DFTR:CHKD:ENGR:APPD:
A FEDCB
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78910
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A FCB 22"x34"ANSI DEnvironment &Infrastructure SEAL
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N NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .024 GRADING PROFILE ALIGNMENTS.dwg0 0.024 RVB_C901.004.024PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILE ALIGNMENTSRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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0 .024 DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098 01:42:24 PM 10-18-2016 (-04'00' GMT)
34+00
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DWG SIZE REVISIONFOR DRAWING NO.TITLE FILENAME:DWG TYPE:JOB NO:DATE:SCALE:

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DFTR:CHKD:ENGR:APPD:
A FEDCB
23
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A FCB 22"x34"ANSI DEnvironment &Infrastructure SEAL
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .025 GRADING PROFILE ALIGNMENTS.dwg0 0.025 RVB_C901.004.025PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILE ALIGNMENTSRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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0 .025 DAM DECOMMISSIONING PLAN FOR GASTO-097 AND GASTO-098 01:42:29 PM 10-18-2016 (-04'00' GMT)
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .026 GRADING PROFILES.dwg0 0.026 RVB_C901.004.026PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILESRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .027 GRADING PROFILES.dwg0 0.027 RVB_C901.004.027PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILESRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .039 GRADING PROFILES.dwg0 0.039 RVB_C901.004.039PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILESRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .041 GRADING PROFILES.dwg0 0.041 RVB_C901.004.041PERMIT ISSUE - NOT FOR CONSTRUCTIONGRADING PROFILESRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
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NORTHING 594462.16 594438.52 594421.27 594408.63 594381.74 594345.13 594311.96 594540.01 594565.01 594583.43 594602.19 594595.38 594621.03 594627.69 594652.68 594696.12 594735.42 594745.24 594762.89 594794.83EASTING1416301.66 1416343.04 1416393.34 1416405.98 1416413.87 1416425.30 1416425.41 1416169.74 1416149.90 1416124.58 1416098.60 1416078.18 1416099.46 1416126.66 1416153.76 1416119.60 1416088.90 1416051.35 1416015.92 1415987.87SURVEY WETLAND POINTS POINT 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140NORTHING594821.56 594838.10 594867.50 594893.35 594804.36 594766.15 594720.60 594693.34 594671.18 594659.34 594820.35 594854.37 594880.34 594910.45 594921.03 594927.74 594962.52 594995.57 595056.44 595054.61EASTING1415994.64 1415979.65 1416005.10 1415982.71 1415896.85 1415910.15 1415928.64 1415954.85 1415954.43 1415953.93 1415894.78 1415922.25 1415957.94 1415921.37 1415972.34 1415896.49 1415874.67 1415865.88 1415881.77 1415846.59
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18
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SU
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24
1
24
2
24
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24
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24
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24
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0
NORTHING 596019.42 596038.55 595979.08 595976.04 595971.28 596016.30 596034.49 596068.31 596060.34 596067.79 595626.66 595665.24 595668.15 595679.63 595705.96 595718.92 595730.93 595734.56 595799.66 595743.70EASTING1414616.09 1414646.15 1414530.04 1414484.90 1414450.86 1414476.88 1414512.20 1414514.17 1414529.65 1414439.71 1414946.69 1414909.25 1414882.53 1414884.51 1414886.33 1414879.49 1414890.37 1414879.88 1414902.51 1414956.63SURVEY WETLAND POINTS POINT 261 262 263 264 265 266 267 268 269NORTHING595835.21 595837.78 595833.43 595833.16 595819.11 595786.14 595047.37 595028.46 595042.19EASTING1414954.14 1414966.92 1415045.56 1415007.75 1414979.60 1414958.08 1414380.56 1414333.51 1414360.72GPS WETLAND POINTS POINT G1 G2 G3 G4 G5 G6 G7 G8 G9 G10 G11 G12 G13 G14 G15 G16 G17 G18 G19 G20 G21 G22 G23 G24 G25 G26NORTHING594318.27 594312.82 594304.55 594272.09 594256.75 594225.82 594195.05 594237.22 594249.07 594239.67 594223.00 594207.32 594194.21 594177.97 594142.17 594183.30 594199.37 594210.74 594288.18 594288.12 594252.54 594317.01 594332.84 594334.88 594308.52 594272.36EASTING1416492.50 1416480.06 1416469.36 1416451.18 1416450.35 1416466.93 1416448.31 1416438.73 1416430.60 1416408.76 1416410.80 1416411.43 1416381.22 1416370.27 1416357.12 1416462.53 1416465.65 1416477.96 1416547.15 1416558.30 1416567.84 1416553.00 1416530.39 1416513.97 1416501.00 1416462.00
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EXISTING GRADE FINAL GRADEEXISTING GRADE FINAL GRADE
EX
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .054 PRIMARY DAM (GASTO-097) BREACH CHANNELS 1 & 2 SECTIONS.dwg0 0.054 RVB_C901.004.054PERMIT ISSUE - NOT FOR CONSTRUCTIONPRIMARY DAM (GASTO-097) BREACH CHANNELS 1 & 2 SECTIONSRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
0

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12
3
DWG SIZE REVISIONFOR DRAWING NO.TITLE FILENAME:DWG TYPE:JOB NO:DATE:SCALE:

D
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S
:
DFTR:CHKD:ENGR:APPD:
A FEDCB
23
4
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A FCB 22"x34"ANSI DEnvironment &Infrastructure SEAL
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N
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01:44:40 PM 10-18-2016 (-04'00' GMT)
0+
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EXISTING GRADE EXISTING GRADE EXISTING GRADE
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FI
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NC GEOLOGY: C-247NC ENG: F-1253LICENSURE:FAX: [phone]TEL: [phone]CHARLOTTE, NC 28208SUITE 1002801 YORKMONT ROAD 10/18/20166226-14-0007DWGAS SHOWN KRDKRDTBMCNBCNB .055 SECONDARY DAM (GASTO-098) BREACH SECTIONS.dwg0 0.055 RVB_C901.004.055PERMIT ISSUE - NOT FOR CONSTRUCTIONSECONDARY DAM (GASTO-098) BREACH SECTIONSRIVERBEND STEAM STATIONASH POND CCR REMOVAL GRADING PLAN
0

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0 .055
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12
3
DWG SIZE REVISIONFOR DRAWING NO.TITLE FILENAME:DWG TYPE:JOB NO:DATE:SCALE:

D
E
S
:
DFTR:CHKD:ENGR:APPD:
A FEDCB
23
4
5
78
6
45
78910
6
A FCB 22"x34"ANSI DEnvironment &Infrastructure SEAL
RE
V
DA
T
E

J
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B

N
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P
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01:44:45 PM 10-18-2016 (-04'00' GMT)