B.08.02 - RTA Drawings - W912HP20B0001 - FY20 AIWW Diking Charleston to Port Royal.pdf
PDF 14 MB Posted
- Solicitation number
- W912HP20B0001
About this file
This pre-solicitation announcement provides notice of an upcoming formal solicitation for dike construction and spillway installation services across multiple placement areas in Charleston and Colleton Counties, South Carolina. The solicitation will have a total value between $5-10 million and utilize a firm-fixed-price contract type. Interested offerors should monitor the website for the final solicitation release in 15-30 days, which will include full details such as response deadline, price proposal schedule, construction plans and specifications, instructions to offerors, and evaluation factors. The scope of work involves raising dikes and berms, installing new spillway systems, and related clearing across ten placement areas that support the Atlantic Intracoastal Waterway.
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L A
D
IE
S
IS
A
N D
BEAUFORT
NORTH
E
D
IS
T O
B O H
IC
K E T
CREEK
K I
W
H
I S L A N D
I
L
A N
D
R I V E R
K I A
A H
A B
R O
O K
L A
N D
RANTOWLES
W A
D M
A
L
A
W
RIVER
B O H
IC
K E T
CREEK
CHURCH
CREEK
K I
I S L A N D
L
A N
D
R I V E R
F E N W
I C K
K I A
A H
T E
R
W
AY
C
EL
A
N
T
T
C
O
A
N
ROCKVILLE
BENNETTS
MEGGETT
HOLLYWOOD
RAVENEL
RANTOWLES
POINT
W A
D M
A
L
A
W
LANDING
BOAT
LANDING
BOAT
LIMEHOUSE
B E
A U F
O R T
M
RO
GAN
I
NDALS
M O R G A N R I V E R
S O U N D
H E L E N A
S T.
O T T E R
I S L A N D
I S
L
N
S H E P O O
R
IV
R
IVE
R
EDISTO
SOUTH
A
S
H
P
I V
E
R
H J O
L
A
N D
O
COOSAW
ISLAND
ASHE
ISLAND
C P
C P
2461 C-P
COOSAW
RIVER
I S
L
D
I
STONO FERRY
ISLAND
YONGES
M
ST MI 505
ST MI
2536 C-P
C-01
C H
A R
L E S T
T R
IC
T
C H
A R
L E S T
O N S
SHEET OF
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
M
A R
O J E
V E
R V
IE
W
S C
O
G L A S S P .E
1"
R
N
12000'0 6000'
SCALE:1"=6000'
E 2,275,000
N
N
N
N
N
E 2,225,000E 2,175,000E 2,125,000
E 2,275,000E 2,225,000
N
1764 C-P
C O
U N
T
IE
S S
O U
R O
L
IN
A
S A
G
A T
L A
N T I C
I N
T R
A C O
ASTAL
SHEET
INDEX OF DRAWINGS
DRAWING TITLE FILE
NUMBER
REFERENCE
SHEET
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w in g o d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C H
A R
L E S T
L L E T
O N
W -H
P
.d g n
J J K
M J C
G
M J C
G
F Y
IW
A
C E
M E
E A
D
IK
IN
T E
N A
N C
E
C H
A R
L E S T
R T
R
O Y
2160 C-P
LANDING
BOAT
DAWHOO
1717 C-P
CHARLESTON TO PORT ROYAL
DIKE MAINTENANCE
FY20 AIWW PLACEMENT AREA
CONTRACT
IF
W
H P B
Submitted by:
Approved by:
CHIEF, NAVIGATION BRANCH
CHIEF, OPERATIONS DIVISION
532 C-P
1764 C-P
1717 C-P
1820 C-P
2160 C-P
2461 C-P
2536 C-P
1743 C-P
2508 C-P2564 C-P
2508 C-P
2564 C-P
1743 C-P
9628W-HP0045.dgn
9628W-HP0044.dgn
9628W-HP0043.dgn
9628W-HP0042.dgn
9628W-HP0041.dgn
9628W-HP0040.dgn
9628W-HP0039.dgn
9628W-HP0038.dgn
9628W-HP0037.dgn
9628W-HP0036.dgn
9628W-HP0035.dgn
9628W-HP0034.dgn
9628W-HP0033.dgn
9628W-HP0032.dgn
9628W-HP0031.dgn
9628W-HP0030.dgn
9628W-HP0029.dgn
9628W-HP0028.dgn
9628W-HP0027.dgn
9628W-HP0026.dgn
9628W-HP0025.dgn
9628W-HP0024.dgn
9628W-HP0023.dgn
9628W-HP0022.dgn
9628W-HP0021.dgn
9628W-HP0020.dgn
9628W-HP0019.dgn
9628W-HP0018.dgn
9628W-HP0017.dgn
9628W-HP0016.dgn
9628W-HP0015.dgn
9628W-HP0014.dgn
9628W-HP0013.dgn
9628W-HP0012.dgn
9628W-HP0011.dgn
9628W-HP0010.dgn
9628W-HP0009.dgn
9628W-HP0008.dgn
9628W-HP0007.dgn
9628W-HP0006.dgn
9628W-HP0005.dgn
9628W-HP0004.dgn
9628W-HP0003.dgn
9628W-HP0002.dgn
9628W-HP0001.dgn
SILT FENCE DETAILS
4'X4' SPILLWAY FABRICATION DETAILS
SPILLWAY INSTALLATION DETAILS
PA 532 C-P CROSS SECTIONS SPILLWAY STA. 0+00, 22+44, 50+16, 62+51
PA 532 C-P CROSS SECTIONS PERIMETER DIKE STA. 55+00 TO 60+00
PA 532 C-P CROSS SECTIONS PERIMETER DIKE STA. 30+00 TO 50+00
PA 532 C-P CROSS SECTIONS PERIMETER DIKE STA. 30+00 TO 50+00
PA 532 C-P CROSS SECTIONS PERIMETER DIKE STA. 30+00 TO 50+00
PLACEMENT AREA 532 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 1717 C-P CROSS SECTION SPILLWAY STA. 55+43
PLACEMENT AREA 1717 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 1743 C-P CROSS SECTION PERIMETER DIKE STA. 50+00 TO 55+00, SPILLWAY STA. 5+76 & 54+36
PA 1743 C-P CROSS SECTIONS PERIMETER DIKE STA. 25+00 TO 45+00
PA 1743 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 20+00
PLACEMENT AREA 1743 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 1764 C-P CROSS SECTION SPILLWAY STA. 39+36, PROFILE STA. 34+00 TO 40+00
PA 1764 C-P CROSS SECTIONS PERIMETER DIKE STA. 34+00 TO 40+00
PLACEMENT AREA 1764 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 1820 C-P CROSS SECTIONS FINGER DIKE STA. 1+00 TO 3+14
PA 1820 C-P CROSS SECTIONS PERIMETER DIKE STA. 25+00 TO 30+00, SPILLWAY STA. 1+55
PA 1820 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 20+00
PLACEMENT AREA 1820 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 2160 C-P CROSS SECTIONS SPILLWAY STA. 1+49
PA 2160 C-P CROSS SECTIONS FINGER DIKE STA. 0+00 TO 5+09
PA 2160 C-P CROSS SECTIONS PERIMETER DIKE STA. 25+00 TO 45+00
PA 2160 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 20+00
PLACEMENT AREA 2160 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 2461 C-P CROSS SECTIONS PERIMETER DIKE STA. 75+00, SPILLWAY STA. 15+72 & 68+54
PA 2461 C-P CROSS SECTIONS PERIMETER DIKE STA. 50+00 TO 70+00
PA 2461 C-P CROSS SECTIONS PERIMETER DIKE STA. 25+00 TO 45+00
PA 2461 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 20+00
PLACEMENT AREA 2461 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 2508 C-P CROSS SECTIONS SPILLWAY STA. 7+61 & 51+05
PA 2508 C-P CROSS SECTIONS PERIMETER DIKE STA. 40+00 TO 55+00
PA 2508 C-P CROSS SECTIONS PERIMETER DIKE STA. 20+00 TO 35+00
PA 2508 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 15+00
PLACEMENT AREA 2508 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 2536 C-P CROSS SECTIONS PERIMETER DIKE STA. 20+00 TO 30+00, SPILLWAY STA. 2+93
PA 2536 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 15+00
PLACEMENT AREA 2536 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PA 2564 C-P CROSS SECTIONS SPILLWAY STA. 11+32
PA 2564 C-P CROSS SECTIONS PERIMETER DIKE STA. 20+00 TO 35+00
PA 2564 C-P CROSS SECTIONS PERIMETER DIKE STA. 0+00 TO 15+00
PLACEMENT AREA 2564 C-P EXISTING CONDITIONS AND WORK REQUIREMENTS
PROJECT OVERVIEW
PLACEMENT
AREA
1764 C-P
50 ACRES
PLACEMENT
AREA
1820 C-P
14 ACRES
PLACEMENT
AREA
2461 C-P
54 ACRES
PLACEMENT
AREA
2536 C-P
14 ACRES
PLACEMENT
AREA
532 C-P
60 ACRES
PLACEMENT
AREA
1717 C-P
51 ACRES
PLACEMENT
AREA
2160 C-P
PLACEMENT
AREA
1743 C-P
49 ACRES
PLACEMENT
AREA
2508 C-P
40 ACRES
PLACEMENT
AREA
2564 C-P
24 ACRES
0+00
7700+00
8100+00
8700+00
0+00
+00
9400+00
00+00
10300+00
10400+00
CHARLESTON
DISTRICT
B O
U N
D A R
Y
C H
A R
L E S
T O
N
D I S T R I C T
B O
U N
D A R
Y
SOUTH CAROLINA
GREENVILLE
COLUMBIA
ORANGEBURG
CAMDEN
FLORENCE
MARION
HORRY
WILLIAMSBURG
GEORGETOWN
B E R K E L E YD
O R C
H E S T E R
CHARLESTON
C H
A R L E S T
O N
COLLETON
HAMPTON
J A S P E
R
BEAUFORT
N
SAVANNAH, GA.
DISTRICT
CHARLESTON DISTRICT
VICINITY MAP
PROJECT SITE
MYRTLE
BEACH
SCALE IN MILES
10 6050403020100
15+00
30+00
11+32
RAISING DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN7.
OR FLOW INTO THE MARSH.
MARSH. SEE SHEET C-45. NO FILL SHALL BE PLACED
IN ORDER TO CONTROL SEDIMENT FROM ENTERING THE
EXTERIOR SLOPE OF THE DIKE CONSTRUCTION AREA
SILT FENCES SHALL BE USED ALONG THE OUTSIDE 6.
BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
STRUCTURES THROUGHOUT CONSTRUCTION. DITCHES MAY
DRAINAGE MUST BE MAINTAINED THROUGH THE OUTLET5.
AREAS TO THE DIKE SECTION.
THIS WILL REQUIRE HAULING OF FILL FROM BORROW
ELEVATION INDICATED ON THE DRAWING OR HIGHER.
OF ALL AREAS INSIDE OF THE BERM THAT ARE AT AN
THE BORROW AREA IN THE PLACEMENT AREA CONSISTS 4.
AS SHOWN ON CROSS SECTION SHEETS.
THE PERIMETER OF THE SITE SHALL BE CONSTRUCTED
OF THE WORK. THE DIKES AND BERMS AROUND
THIS SHEET INDICATES THE GENERAL REQUIREMENTS 3.
SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
THE SOUTH CAROLINA STATE PLANE COORDINATE
ALL HORIZONTAL COORDINATES ARE BASED ON2.
TO BE USED FOR GENERAL SITE CONDITIONS ONLY.
BASED ON 27 APRIL 2019 LIDAR. THIS DRAWING IS
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
2.90
8-01
ISLAND
ASHE
MARSH
MARSH
MARSH
A
SH
E P
O
SA
U
T O F F
FR-184
P I
P I
P I
+3
P I
N
100 0 100 200
SCALE IN FEET
24 ACRES
2564 C-P
PLACEMENT AREA
SPILLWAY STA. 11+32
11+32
SPILLWAY
0+00 TO 38+04
PERIMETER DIKE
STATIONING
PLACEMENT AREA 2564 C-P WORK REQUIREMENTS
BUT NOT DITCHED.
JUNE 2018. SITE WAS CLOSED AND MINIMALLY DEWATERED,
AREAS INCLUDED IN THIS CONTRACT) FROM APRIL TO
AREA 2564 C-P (ALONG WITH OTHER ADJACENT PLACEMENT
CONTRACT DREDGED MATERIAL WAS PUMPED INTO PLACEMENT8.
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
F
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
1"
C-02
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
N S T R
U C
T
IO
N
F Y
A
C E
M E
E
R
S A
G
E X
IS
T
IN
G
N D
IT
IO
Q U
IR
E M
E N
T S
P L A
C E
M E
E A
C P
W
H P
B
R
J J K
SHEET 2 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
E 2152500
2153000 E 2153500 E 2154000 E 2154500 E 2155000 E 2155500 E 2156000
E 2156000E 2153500 E 2154000 E 2154500 E 2155000 E 2155500E 2152500 2153000
SEE CROSS SECTION ON C-05
NEW 4 X 4 SPILLWAY
SEE CROSS SECTIONS ON C-03 TO C-04
REQUIRED TOP OF DIKE ELEVATION: 18.0'
REQUIREMENTS
BORROW LIMIT EL. 10.0
LEGEND
DIKE CENTERLINE
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 0+00
N A
V D
I
N
E L
E V
A T I
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 5+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 10+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 15+00
N A
V D
I
N
E L
E V
A T I
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
OFFSET
6'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
9'
OFFSET
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
13'
OFFSET
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
8'
OFFSET
AREA = 66.89 sf
AREA = 87.55 sf
AREA = 127.03 sf
AREA = 106.86 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
BORROW LIMIT
NO FILL REQUIRED, DO NOT CUT
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-03
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
N S T R
U C
T
IO
N
F
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
IF
B
H P B
R
J J K
SHEET 3 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 20+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 25+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 30+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 35+00
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
9'
OFFSET
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
8'
OFFSET
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
6'
OFFSET
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 18.0 (MIN)
TIE TO EXISTING SLOPE EL. 12.0 (MIN) EL. 11.0 (MIN)
40 BERM'
BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2564 C-P
6'
OFFSET
AREA = 89.86 sf
AREA = 67.51 sf
AREA = 58.35 sf
AREA = 62.10 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
BORROW LIMIT
NO FILL REQUIRED, DO NOT CUT
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-04
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
N S T R
U C
T
IO
N
F
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 4 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
-10
0 25 50 75 100 125 150 175 200 225 250-25-50-75-100-125-150
-10
30 30
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 11+32
N A
V D
I
N
E L
E V
A T I
MHW
8" TO 12" CLEAR GAP BETWEEN
WALKWAY AND SPILLWAY
NEW SPILLWAY BASE SECTION AND RISER.
FABRICATION DETAIL ON SHEET C-43 & C-44
FILL
NEW C
L
TIE TO EXISTING GRADE
103'
CONCRETE SPILLWAY FOUNDATION PAD
SEE DETAIL ON SHEET C-43
SEE DETAIL ON SHEET C-43
PIPE SUPPORT FRAME
OUTSIDE PLACMENT AREA
3'9'
OFFSET
5'SEE NOTE 16
SPLASH PAD
INSIDE PLACEMENT AREA 2564 C-P
EL. 18.0 (MIN)
18'
AREA = 398.26 sf
20 0 20 40
SCALE IN FEET
BUILT TO THE SAME REQUIREMENTS AS DIKE IN ORDER TO REDUCE WALKWAY LENGTH.
MAXIMUM LENGTH OF WALKWAY IS 24'. WITH COR APPROVAL, SPUR DIKE MAY BE20.
FOR BIDDING PURPOSES, ASSUME THAT 90% OF PIPE CAN BE REUSED.19.
OF 2' SOIL COVER TO NOT USE SUPPORTS.
THE NUMBER OF PIPE SUPPORTS SHALL BE DETERMINED IN THE FIELD. MINIMUM18.
30" DIA. HDPE PIPE SECTIONS TO BE JOINED WITH BUTT FUSION JOINTS.17.
RIPRAP 2' THICK. SEE SPECS FOR MATERIAL DETAIL.
SECURING PINS 4' ON CENTER, CRUSHED GRAVEL: 6" THICK, OVERLAIN WITH
14' x 12' SPLASH PAD, CENTER ON AXIS OF PIPE: GEOTEXTILE SECURED BY 16.
REUSED SUBJECT TO INSPECTION AND APPROVAL OF THE COR.
EXISTING CONCRETE SPILLWAY PAD TO BE ABANDONED IN PLACE OR MAY BE15.
ANY LUMBER.
NO SIGNS OF ROT. THE COR SHALL MAKE FINAL DETERMINATION ON REUSE OF
EXISTING WALKWAY LUMBER MAY BE REUSED TO THE EXTENT IT IS SOLID WITH14.
POST PENETRATION 4' MIN. WALKWAY DETAIL LOCATED ON SHEET C-43.
NEW OR RESET WOODEN WALKWAY SET DECK AT A TOLERANCE OF +/-0.5. 4"X4"13.
RECOATED AND REUSED.
REMAINS AND IF APPROVED BY THE COR, THE BOTTOM SECTION MAY BE
SITE AND SANDBLASTED, THEN INSPECTED BY THE COR. IF SUFFICIENT METAL
REPLACED, OR, AT THE CONTRACTOR'S OPTION, MAY BE REMOVED FROM THE
INSPECTION AND APPROVAL OF THE COR). RISER BOTTOM SECTION SHALL BE
IF UNDAMAGED, EXISTING RISER TOP SECTIONS MAY BE REUSED (SUBJECT TO12.
INSTALLATION OF PIPE.
DIKE SHALL BE BUILT TO GRADE AND ACCEPTED BEFORE BEING CUT FOR11.
CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90' OF THE DIKE10.
MAY TIE IN FLATTER THAN 3:1.
IS ABOVE THE REQUIRED PROFILE, DRAINAGE MUST BE MAINTAINED. SLOPES
IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR OF THE DIKES9.
EXISTING GROUND, CUTTING IS NOT REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE DIKED AREA IS BELOW8.
NECESSARY, TO ACHIEVE DRAINAGE.
AND REGULATIONS THROUGHOUT CONSTRUCTION. DITCHES MAY BE CUT, AS
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE WITH ALL LAWS7.
PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED TO BERM GRADE6.
NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING DIKE WHERE 5.
TRANSITIONED BETWEEN THE CROSS SECTION STATIONS SHOWN.
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO BE EVENLY4.
DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED TO THE EXISTING3.
PLANE COORDINATE SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
ALL HORIZONTAL COORDINATES ARE BASED ON THE SOUTH CAROLINA STATE2.
27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET BASED ON 1.
NOTES:
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
BORROW LIMIT
NO FILL REQUIRED, DO NOT CUT
SPILLWAY SCHEDULE
SPLASHPAD
YES
RISER SIZE
(FT)AT RISER
+ 0.5
- 0.0
40' FROM RISER
+ 0.5
- 0.0
+ 0.5
- 0.0
80' FROM RISERAT OUTLET
+ 0.5
- 0.0
INVERTS ( M. L. L. W. )
LOCATION
SPILLWAY
8.0 8.0 7.0 4 X 4 X 16STA. 11+32 5.0
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-05
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
N S T R
U C
T
IO
N
F
A
C E
M E
E
R
S A
G
S P
IL
L W
A Y
S T
A
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 5 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
E 2155000
E 2155500 E 2156000 E 2156500 E 2157000 E 2157500 E 2158000 E 2158500
E 2155000 E 2155500 E 2156000 E 2156500 E 2157000 E 2157500 E 2158000 E 2158500
14 ACRES
2536 C-P
PLACEMENT AREA
2+93
SPILLWAY
0+00 TO 31+27
PERIMETER DIKE
STATIONING
SEE CROSS SECTION ON C-08
NEW 4 X 4 SPILLWAY
SEE CROSS SECTIONS ON C-07 TO C-08
REQUIRED TOP OF DIKE ELEVATION: 20.0'
REQUIREMENTS
SPILLWAY STA. 2+93
BORROW LIMIT EL. 10.0
PLACEMENT AREA 2536 C-P WORK REQUIREMENTS
BUT NOT DITCHED.
JUNE 2018. SITE WAS CLOSED AND MINIMALLY DEWATERED,
AREAS INCLUDED IN THIS CONTRACT) FROM APRIL TO
AREA 2536 C-P (ALONG WITH OTHER ADJACENT PLACEMENT
CONTRACT DREDGED MATERIAL WAS PUMPED INTO PLACEMENT8.
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-06
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IT
E N
A N
C E
F Y
A
C E
M E
E
R
S A
G
E X
IS
T
N D
IT
IO
Q U
IR
E M
E N
T S
P L A
C E
M E
E A
C P
W
H P B
R
J J K
SHEET 6 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
N
P
IP
E
P
IP
E
11.98
8-032
MARSH
MARSH
MARSH
MARSH
A S
H E P
O O G-181
MARSH
MARSH
A
SH
E P
O
SA
T O F F
M2552+31 291R
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
P I
P I
P I
RAISING DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN7.
OR FLOW INTO THE MARSH.
MARSH. SEE SHEET C-45. NO FILL SHALL BE PLACED
IN ORDER TO CONTROL SEDIMENT FROM ENTERING THE
EXTERIOR SLOPE OF THE DIKE CONSTRUCTION AREA
SILT FENCES SHALL BE USED ALONG THE OUTSIDE 6.
BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
STRUCTURES THROUGHOUT CONSTRUCTION. DITCHES MAY
DRAINAGE MUST BE MAINTAINED THROUGH THE OUTLET5.
AREAS TO THE DIKE SECTION.
THIS WILL REQUIRE HAULING OF FILL FROM BORROW
ELEVATION INDICATED ON THE DRAWING OR HIGHER.
OF ALL AREAS INSIDE OF THE BERM THAT ARE AT AN
THE BORROW AREA IN THE PLACEMENT AREA CONSISTS 4.
AS SHOWN ON CROSS SECTION SHEETS.
THE PERIMETER OF THE SITE SHALL BE CONSTRUCTED
OF THE WORK. THE DIKES AND BERMS AROUND
THIS SHEET INDICATES THE GENERAL REQUIREMENTS 3.
SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
THE SOUTH CAROLINA STATE PLANE COORDINATE
ALL HORIZONTAL COORDINATES ARE BASED ON2.
TO BE USED FOR GENERAL SITE CONDITIONS ONLY.
BASED ON 27 APRIL 2019 LIDAR. THIS DRAWING IS
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-07
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 7 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 0+00
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
7'
INSIDE PLACEMENT AREA 2536 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
10' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
12' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
AREA = 110.57 sf
AREA = 107.93 sf
AREA = 127.16 sf
AREA = 116.18 sf
BORROW LIMIT = ELEV. 9.0
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
BORROW LIMIT
NO FILL REQUIRED, DO NOT CUT
SPILLWAY SCHEDULE
SPLASHPAD
YES
RISER SIZE
(FT)AT RISER
+ 0.5
- 0.0
40' FROM RISER
+ 0.5
- 0.0
+ 0.5
- 0.0
80' FROM RISERAT OUTLET
+ 0.5
- 0.0
INVERTS ( M. L. L. W. )
LOCATION
SPILLWAY
STA. 2+93 4.0 8.0 8.0 7.0 4 X 4 X 16
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-08
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
S P
IL
L W
A Y
S T
A
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 8 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 20+00
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
11' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 9.0
INSIDE PLACEMENT AREA 2536 C-P
-10
0 25 50 75 100 125 150 175 200-25-50-75-100-125-150-175-200
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 2+93
N A
V D
I
N
E L
E V
A T I
8" TO 12" CLEAR GAP BETWEEN
WALKWAY AND SPILLWAY
NEW SPILLWAY BASE SECTION AND RISER.
FABRICATION DETAIL ON SHEET C-43 & C-44
FILL
NEW C
L
TIE TO EXISTING GRADE
69'
CONCRETE SPILLWAY FOUNDATION PAD
SEE DETAIL ON SHEET C-43
SEE DETAIL ON SHEET C-43
PIPE SUPPORT FRAME
OUTSIDE PLACMENT AREA
3'9'
OFFSET
9'
SEE NOTE 16
SPLASH PAD
INSIDE PLACEMENT AREA 2536 C-P
EL. 20.0 (MIN)
18'
AREA = 125.37 sf
AREA = 96.75 sf
AREA = 118.08 sf
AREA = 307.42 sf
20 0 20 40
SCALE IN FEET
BUILT TO THE SAME REQUIREMENTS AS DIKE IN ORDER TO REDUCE WALKWAY LENGTH.
MAXIMUM LENGTH OF WALKWAY IS 24'. WITH COR APPROVAL, SPUR DIKE MAY BE20.
FOR BIDDING PURPOSES, ASSUME THAT 90% OF PIPE CAN BE REUSED.19.
OF 2' SOIL COVER TO NOT USE SUPPORTS.
THE NUMBER OF PIPE SUPPORTS SHALL BE DETERMINED IN THE FIELD. MINIMUM18.
30" DIA. HDPE PIPE SECTIONS TO BE JOINED WITH BUTT FUSION JOINTS.17.
RIPRAP 2' THICK. SEE SPECS FOR MATERIAL DETAIL.
SECURING PINS 4' ON CENTER, CRUSHED GRAVEL: 6" THICK, OVERLAIN WITH
14' x 12' SPLASH PAD, CENTER ON AXIS OF PIPE: GEOTEXTILE SECURED BY 16.
REUSED SUBJECT TO INSPECTION AND APPROVAL OF THE COR.
EXISTING CONCRETE SPILLWAY PAD TO BE ABANDONED IN PLACE OR MAY BE15.
ANY LUMBER.
NO SIGNS OF ROT. THE COR SHALL MAKE FINAL DETERMINATION ON REUSE OF
EXISTING WALKWAY LUMBER MAY BE REUSED TO THE EXTENT IT IS SOLID WITH14.
POST PENETRATION 4' MIN. WALKWAY DETAIL LOCATED ON SHEET C-43.
NEW OR RESET WOODEN WALKWAY SET DECK AT A TOLERANCE OF +/-0.5. 4"X4"13.
RECOATED AND REUSED.
REMAINS AND IF APPROVED BY THE COR, THE BOTTOM SECTION MAY BE
SITE AND SANDBLASTED, THEN INSPECTED BY THE COR. IF SUFFICIENT METAL
REPLACED, OR, AT THE CONTRACTOR'S OPTION, MAY BE REMOVED FROM THE
INSPECTION AND APPROVAL OF THE COR). RISER BOTTOM SECTION SHALL BE
IF UNDAMAGED, EXISTING RISER TOP SECTIONS MAY BE REUSED (SUBJECT TO12.
INSTALLATION OF PIPE.
DIKE SHALL BE BUILT TO GRADE AND ACCEPTED BEFORE BEING CUT FOR11.
CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90' OF THE DIKE10.
MAY TIE IN FLATTER THAN 3:1.
IS ABOVE THE REQUIRED PROFILE, DRAINAGE MUST BE MAINTAINED. SLOPES
IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR OF THE DIKES9.
EXISTING GROUND, CUTTING IS NOT REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE DIKED AREA IS BELOW8.
NECESSARY, TO ACHIEVE DRAINAGE.
AND REGULATIONS THROUGHOUT CONSTRUCTION. DITCHES MAY BE CUT, AS
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE WITH ALL LAWS7.
PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED TO BERM GRADE6.
NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING DIKE WHERE 5.
TRANSITIONED BETWEEN THE CROSS SECTION STATIONS SHOWN.
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO BE EVENLY4.
DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED TO THE EXISTING3.
PLANE COORDINATE SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
ALL HORIZONTAL COORDINATES ARE BASED ON THE SOUTH CAROLINA STATE2.
27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET BASED ON 1.
NOTES:
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
200 0 200 400
40 ACRES
2508 C-P
PLACEMENT AREA
SPILLWAY STA. 68+54
SEE CROSS SECTION ON C-13
NEW 4 X 4 SPILLWAYS
SEE CROSS SECTIONS ON C-10 TO C-12
REQUIRED TOP OF DIKE ELEVATION: 20.0'
REQUIREMENTS
CLOSED AND MINIMALLY DEWATERED, BUT NOT DITCHED.
AREA 2508 C-P FROM MARTCH TO JUNE 2018. SITE WAS
CONTRACT DREDGED MATERIAL WAS PUMPED INTO PLACEMENT8.
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-09
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
E X
IS
T
N D
IT
IO
Q U
IR
E M
E N
T S
P L A
C E
M E
E A
C P
W
H P B
R
J J K
SHEET 9 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
BORROW LIMIT EL. 11.0
SPILLWAY STA. 7+61
SPILLWAY STA. 51+05
PLACEMENT AREA 2508 C-P WORK REQUIREMENTS
7+61 AND 51+05
SPILLWAYS
0+00 TO 58+58
PERIMETER DIKE
STATIONING
E 2156000 E 2157000 E 2158000 E 2159000 E 2160000 E 2161000 E 2162000 E 2163000
E 2163000E 2162000E 2161000E 2159000 E 2160000E 2158000E 2157000E 2156000
N
+0
1+
P
IP
E
4.41
8-03
A S
H E P
O S
T O F F
ISLAND
ASHE
ISLAND
ASHE
ISLAND
BEET
ISLAND
BEET
ISLAND
HUTCHINSON
ISLAND
HUTCHINSON
MARSH
MARSH
MARSH
MARSH
MARSH
MARSH
R O
C K
C R E E
K
FG-177
M2499+02 371R
M
2494+30.43 577.14L
P
IP
E
P
IP
E
P
IP
E
P
IP
E
14.84
8-042
ISLAND
ASHE
ISLAND
ASHE
ISLAND
BEET
ISLAND
BEET
MARSH
MARSH
MARSH
MARSH
MARSH
MARSH
MARSH
MARSH
R O
C K
CREEK
R-176
A S
H E P
O S
T O F F
G-181
M
2462+99.19 BACK = 2463+07.81 AHEAD 500L
M
2516+04 251 L
RW Bn
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
P I
1+
P I
P I
3 P I
8 P I
P I
P I9
P I
P I
P I
P I
P I
RAISING DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN7.
OR FLOW INTO THE MARSH.
MARSH. SEE SHEET C-45. NO FILL SHALL BE PLACED
IN ORDER TO CONTROL SEDIMENT FROM ENTERING THE
EXTERIOR SLOPE OF THE DIKE CONSTRUCTION AREA
SILT FENCES SHALL BE USED ALONG THE OUTSIDE 6.
BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
STRUCTURES THROUGHOUT CONSTRUCTION. DITCHES MAY
DRAINAGE MUST BE MAINTAINED THROUGH THE OUTLET5.
AREAS TO THE DIKE SECTION.
THIS WILL REQUIRE HAULING OF FILL FROM BORROW
ELEVATION INDICATED ON THE DRAWING OR HIGHER.
OF ALL AREAS INSIDE OF THE BERM THAT ARE AT AN
THE BORROW AREA IN THE PLACEMENT AREA CONSISTS 4.
AS SHOWN ON CROSS SECTION SHEETS.
THE PERIMETER OF THE SITE SHALL BE CONSTRUCTED
OF THE WORK. THE DIKES AND BERMS AROUND
THIS SHEET INDICATES THE GENERAL REQUIREMENTS 3.
SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
THE SOUTH CAROLINA STATE PLANE COORDINATE
ALL HORIZONTAL COORDINATES ARE BASED ON2.
TO BE USED FOR GENERAL SITE CONDITIONS ONLY.
BASED ON 27 APRIL 2019 LIDAR. THIS DRAWING IS
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-10
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 10 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 0+00
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
10' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
9' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
11' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
7' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
AREA = 106.58 sf
AREA = 96.29 sf
AREA = 172.81 sf
AREA = 146.00 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-11
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 11 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 20+00
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 35+00
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
4' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
7' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
AREA = 171.37 sf
AREA = 84.01 sf
AREA = 66.43 sf
AREA = 93.17 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-12
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
IO
N S
W
H P B
R
J J K
SHEET 12 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 40+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 45+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 50+00
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 55+00
N A
V D
I
N
E L
E V
A T I
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
9' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
10' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 20.0 (MIN)
TIE TO EXISTING SLOPE EL. 14.0 (MIN) EL. 13.0 (MIN)
40 BERM'
OFFSET
8' BORROW LIMIT = ELEV. 10.0
INSIDE PLACEMENT AREA 2508 C-P
AREA = 139.39 sf
AREA = 165.03 sf
AREA = 140.32 sf
AREA = 110.13 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING5.
STATIONS SHOWN.
BE EVENLY TRANSITIONED BETWEEN THE CROSS SECTION
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO4.
TO THE EXISTING DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED 3.
NAD83 (NSRS2007), INTERNATIONAL FEET.
SOUTH CAROLINA STATE PLANE COORDINATE SYSTEM,
ALL HORIZONTAL COORDINATES ARE BASED ON THE 2.
BASED ON 27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
YES
RISER SIZE
(FT)AT RISER
+ 0.5
- 0.0
40' FROM RISER
+ 0.5
- 0.0
+ 0.5
- 0.0
80' FROM RISERAT OUTLET
+ 0.5
- 0.0
INVERTS ( M. L. L. W. )
LOCATION
SPILLWAY
STA. 7+61 5.0 7.5 8.5 7.5 4 X 4 X 16
YES
+ 0.5
- 0.0
+ 0.5
- 0.0
+ 0.5
- 0.0
+ 0.5
- 0.0
STA. 51+05 2.5 8.5 9.5 8.5 4 X 4 X 16
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-13
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
S P
IL
L W
A Y
S T
A
1+
P A
C
O S S
S E
C T
IO
N S
W
H P B
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J J K
SHEET 13 OF 45
C O
L L E T
U N
T Y S
O U
R O
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IN
A S
C O
G L A S S P .E
CONTRACT
-10
0 25 50 75 100 125 150 175 200-25-50-75-100-125-150-175-200
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100-125-150-175-200
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 7+61
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 51+05
N A
V D
I
N
E L
E V
A T I
3'9'
8" TO 12" CLEAR GAP BETWEEN
WALKWAY AND SPILLWAY
NEW SPILLWAY BASE SECTION AND RISER.
FABRICATION DETAIL ON SHEET C-43 & C-44
NEW C
L
TIE TO EXISTING GRADE
68'
CONCRETE SPILLWAY FOUNDATION PAD
SEE DETAIL ON SHEET C-43
SEE DETAIL ON SHEET C-43
PIPE SUPPORT FRAME
OUTSIDE PLACEMENT AREA
OFFSET
11'
EL. 20.0 (MIN)
INSIDE PLACEMENT AREA 2508 C-P
FILL
SEE NOTE 16
SPLASH PAD
18'
MHW
3'9'
8" TO 12" CLEAR GAP BETWEEN
WALKWAY AND SPILLWAY
NEW SPILLWAY BASE SECTION AND RISER.
FABRICATION DETAIL ON SHEET C-43 & C-44
NEW C
L
TIE TO EXISTING GRADE
61'
CONCRETE SPILLWAY FOUNDATION PAD
SEE DETAIL ON SHEET C-43
SEE DETAIL ON SHEET C-43
PIPE SUPPORT FRAME
OUTSIDE PLACEMENT AREA
OFFSET
10'
EL. 20.0 (MIN)
INSIDE PLACEMENT AREA 2508 C-P
FILL
SEE NOTE 16
SPLASH PAD
18'
AREA = 179.86 sf
AREA = 293.98 sf
20 0 20 40
SCALE IN FEET
BUILT TO THE SAME REQUIREMENTS AS DIKE IN ORDER TO REDUCE WALKWAY LENGTH.
MAXIMUM LENGTH OF WALKWAY IS 24'. WITH COR APPROVAL, SPUR DIKE MAY BE20.
FOR BIDDING PURPOSES, ASSUME THAT 90% OF PIPE CAN BE REUSED.19.
OF 2' SOIL COVER TO NOT USE SUPPORTS.
THE NUMBER OF PIPE SUPPORTS SHALL BE DETERMINED IN THE FIELD. MINIMUM18.
30" DIA. HDPE PIPE SECTIONS TO BE JOINED WITH BUTT FUSION JOINTS.17.
RIPRAP 2' THICK. SEE SPECS FOR MATERIAL DETAIL.
SECURING PINS 4' ON CENTER, CRUSHED GRAVEL: 6" THICK, OVERLAIN WITH
14' x 12' SPLASH PAD, CENTER ON AXIS OF PIPE: GEOTEXTILE SECURED BY 16.
REUSED SUBJECT TO INSPECTION AND APPROVAL OF THE COR.
EXISTING CONCRETE SPILLWAY PAD TO BE ABANDONED IN PLACE OR MAY BE15.
ANY LUMBER.
NO SIGNS OF ROT. THE COR SHALL MAKE FINAL DETERMINATION ON REUSE OF
EXISTING WALKWAY LUMBER MAY BE REUSED TO THE EXTENT IT IS SOLID WITH14.
POST PENETRATION 4' MIN. WALKWAY DETAIL LOCATED ON SHEET C-43.
NEW OR RESET WOODEN WALKWAY SET DECK AT A TOLERANCE OF +/-0.5. 4"X4"13.
RECOATED AND REUSED.
REMAINS AND IF APPROVED BY THE COR, THE BOTTOM SECTION MAY BE
SITE AND SANDBLASTED, THEN INSPECTED BY THE COR. IF SUFFICIENT METAL
REPLACED, OR, AT THE CONTRACTOR'S OPTION, MAY BE REMOVED FROM THE
INSPECTION AND APPROVAL OF THE COR). RISER BOTTOM SECTION SHALL BE
IF UNDAMAGED, EXISTING RISER TOP SECTIONS MAY BE REUSED (SUBJECT TO12.
INSTALLATION OF PIPE.
DIKE SHALL BE BUILT TO GRADE AND ACCEPTED BEFORE BEING CUT FOR11.
CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90' OF THE DIKE10.
MAY TIE IN FLATTER THAN 3:1.
IS ABOVE THE REQUIRED PROFILE, DRAINAGE MUST BE MAINTAINED. SLOPES
IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR OF THE DIKES9.
EXISTING GROUND, CUTTING IS NOT REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE DIKED AREA IS BELOW8.
NECESSARY, TO ACHIEVE DRAINAGE.
AND REGULATIONS THROUGHOUT CONSTRUCTION. DITCHES MAY BE CUT, AS
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE WITH ALL LAWS7.
PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED TO BERM GRADE6.
NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN RAISING DIKE WHERE 5.
TRANSITIONED BETWEEN THE CROSS SECTION STATIONS SHOWN.
DIFFERENCES IN CENTERLINE OFFSET DISTANCES ARE TO BE EVENLY4.
DIKE CENTERLINE, IE. OFFSET "0".
THE HORIZONTAL REFERENCE IS A RELATIVE VALUE TIED TO THE EXISTING3.
PLANE COORDINATE SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
ALL HORIZONTAL COORDINATES ARE BASED ON THE SOUTH CAROLINA STATE2.
27 APRIL 2019 LIDAR.
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET BASED ON 1.
NOTES:
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
200 0 200 400
E 2155000
E 2155500 E 2156000 E 2156500 E 2157000 E 2157500 E 2158000 E 2158500
E 2155000 E 2155500 E 2156000 E 2156500 E 2157000 E 2157500 E 2158000 E 2158500
56 ACRES
2461 C-P
PLACEMENT AREA
BORROW LIMIT EL. 7.0
15+72 AND 68+54
SPILLWAYS
0+00 TO 76+28
PERIMETER DIKE
STATIONING
SPILLWAY STA. 68+54
SPILLWAY STA. 15+72
SEE CROSS SECTION ON C-18
NEW 4 X 4 SPILLWAYS
SEE CROSS SECTIONS ON C-15 TO C-18
REQUIRED TOP OF DIKE ELEVATION: 15.0'
REQUIREMENTS
CLOSED AND MINIMALLY DEWATERED, BUT NOT DITCHED.
AREA 2461 C-P FROM MARTCH TO JUNE 2018. SITE WAS
CONTRACT DREDGED MATERIAL WAS PUMPED INTO PLACEMENT8.
PLACEMENT AREA 2461 C-P WORK REQUIREMENTS
NUMBER
REFERENCE
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-14
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
E X
IS
T
N D
IT
IO
Q U
IR
E M
E N
T S
P L A
C E
M E
E A
C P
W
H P B
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J J K
SHEET 14 OF 45
C O
L L E T
U N
T Y S
O U
R O
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IN
A S
C O
G L A S S P .E
CONTRACT
N
+0
25+00
60+00
70+00
75+00
-1
-1
-1
-1
5 5
7 7
P
IP
E
4.41
8-03
A S
H E P
O S
T O F F
ISLAND
ASHE
ISLAND
ASHE
ISLAND
BEET
ISLAND
BEET
ISLAND
HUTCHINSON
ISLAND
HUTCHINSON
MARSH
MARSH
MARSH
MARSH
MARSH
R O
C K
C R E E
K
FG-177
M2499+02 371R
M
2494+30.43 577.14L
P
IP
E
P
IP
E
ISLAND
ASHE
ISLAND
ASHE
MARSH
MARSH
MARSH
R O
C K
CREEK
R-176
M
2462+99.19 BACK = 2463+07.81 AHEAD 500L
M
2516+04 251 L
RW Bn
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
PLACEMENT
AREA
P I
P I
P I
P I
1+
P I
P I
3 P I
8 P I
P I
P I9
P I
P I
RAISING DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOLLOW THE EXISTING CENTERLINE CURVATURE WHEN7.
OR FLOW INTO THE MARSH.
MARSH. SEE SHEET C-45. NO FILL SHALL BE PLACED
IN ORDER TO CONTROL SEDIMENT FROM ENTERING THE
EXTERIOR SLOPE OF THE DIKE CONSTRUCTION AREA
SILT FENCES SHALL BE USED ALONG THE OUTSIDE 6.
BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
STRUCTURES THROUGHOUT CONSTRUCTION. DITCHES MAY
DRAINAGE MUST BE MAINTAINED THROUGH THE OUTLET5.
AREAS TO THE DIKE SECTION.
THIS WILL REQUIRE HAULING OF FILL FROM BORROW
ELEVATION INDICATED ON THE DRAWING OR HIGHER.
OF ALL AREAS INSIDE OF THE BERM THAT ARE AT AN
THE BORROW AREA IN THE PLACEMENT AREA CONSISTS 4.
AS SHOWN ON CROSS SECTION SHEETS.
THE PERIMETER OF THE SITE SHALL BE CONSTRUCTED
OF THE WORK. THE DIKES AND BERMS AROUND
THIS SHEET INDICATES THE GENERAL REQUIREMENTS 3.
SYSTEM, NAD83 (NSRS2007), INTERNATIONAL FEET.
THE SOUTH CAROLINA STATE PLANE COORDINATE
ALL HORIZONTAL COORDINATES ARE BASED ON2.
TO BE USED FOR GENERAL SITE CONDITIONS ONLY.
BASED ON 27 APRIL 2019 LIDAR. THIS DRAWING IS
ALL ELEVATIONS ARE NAVD88 INTERNATIONAL FEET1.
NOTES:
SHEET
C H
A R
L E S T
O N S
O U
R O
L
IN
A
C O
R
E
N G
IN
E E
R S
U .S
A R
M Y
E
N G
IN
E
T R
IC
T
D a te
R e v
D ra w n b y
C k d b y
D e s ig n fi le n o
R e v ie w e d b y
S u b m it te d b y
D ra w d e
D w g s c a le
P lo t d a te
F ile n a m e
M A
R K
D E S
C R
IP
T
IO
N A P P
R V
D A T E
D E S
C R
IP
T
IO
N M
A R
K A P P
R V
D A T E of Engineers US Army Corps
Charleston District
D e s ig n e d b y
C-15
W H
P .d g n
M J C
G
M J C
G
C H
A R
L E S T
R T
R
O Y
A L
D
IN
T E
N A
N C
E
F Y
A
C E
M E
E
R
S A
G
P E
R
IM
E T
E
S T
A
T
O
P A
C
O S S
S E
C T
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N S
W
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SHEET 15 OF 45
C O
L L E T
U N
T Y S
O U
R O
L
IN
A S
C O
G L A S S P .E
CONTRACT
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 15.0 (MIN)
TIE TO EXISTING SLOPE EL. 9.0 (MIN) EL. 8.0 (MIN)
40 BERM'
OFFSET
7'
BORROW LIMIT = ELEV. 7.0
INSIDE PLACEMENT AREA 2461 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 15.0 (MIN)
TIE TO EXISTING SLOPE EL. 9.0 (MIN) EL. 8.0 (MIN)
40 BERM'
OFFSET
3'
BORROW LIMIT = ELEV. 7.0
INSIDE PLACEMENT AREA 2461 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 15.0 (MIN)
EL. 9.0 (MIN) EL. 8.0 (MIN)
40 BERM'
OFFSET
0'
BORROW LIMIT = ELEV. 7.0
INSIDE PLACEMENT AREA 2461 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 15.0 (MIN)
TIE TO EXISTING SLOPE EL. 9.0 (MIN) EL. 8.0 (MIN)
40 BERM'
OFFSET
5'
BORROW LIMIT = ELEV. 7.0
INSIDE PLACEMENT AREA 2461 C-P
OUTSIDE PLACEMENT AREA
16'
NEW C
L
FILL
EL. 15.0 (MIN)
TIE TO EXISTING SLOPE EL. 9.0 (MIN) EL. 8.0 (MIN)
40 BERM'
OFFSET
12'
BORROW LIMIT = ELEV. 7.0
INSIDE PLACEMENT AREA 2461 C-P
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
-10
0 25 50 75 100 125 150 175 200-25-50-75-100
-10
HORIZONTAL DISTANCE INT. FT.
PERIMETER DIKE STATION 0+00
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
N A
V D
I
N
E L
E V
A T I
PERIMETER DIKE STATION 20+00
N A
V D
I
N
E L
E V
A T I
AREA = 73.14 sf
AREA = 32.95 sf
AREA = 63.50 sf
AREA = 191.98 sf
LEGEND
MINIMUM REQUIRED PROFILE - FILL
EXISTING PROFILE
20 0 20 40
SCALE IN FEET
OF THE DIKE CENTERLINE UNLESS APPROVED BY THE COR.
BORROW MATERIAL SHALL NOT BE TAKEN FROM WITHIN 90'10.
MUST BE MAINTAINED. SLOPES MAY TIE IN FLATTER THAN 3:1.
OF THE DIKES IS ABOVE THE REQUIRED PROFILE, DRAINAGE
9. IN ANY PLACE WHERE THE EXISTING GROUND TO THE EXTERIOR
REQUIRED. COMPACT ACCORDING TO SPECIFICATIONS.
DIKED AREA IS BELOW EXISTING GROUND, CUTTING IS NOT
IN ANY PLACE WHERE THE REQUIRED PROFILE INSIDE THE8.
DITCHES MAY BE CUT, AS NECESSARY, TO ACHIEVE DRAINAGE.
WITH ALL LAWS AND REGULATIONS THROUGHOUT CONSTRUCTION.
CONTROLLED DRAINAGE MUST BE MAINTAINED IN ACCORDANCE7.
TO BERM GRADE PRIOR TO ADDITIONAL DIKE CONSTRUCTION.
FULL WIDTH OF DIKE AND BERM MUST BE CONSTRUCTED6.
DIKE WHERE NO CROSS SECTIONS ARE SHOWN.
FOL…
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