67-08 Cow Channel Fall 2007 Dredging OVERSIZED PLANS

W.
0)CID NO. 060692001
CODE NO. 40616
�r EM NO. 4G26
CR�IEIK CD—fIA P�P�I�f� Fo�AL[L_ 2007 �HL�GONG
�e�SBON UF STAT—
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ow "I \\\\ fA===,t. �'�SOURCES
URAL RI
SKEET INDEX
IN
11
NO.
TITLE
COVER SHELT
COW CREEK CHANNEL DREDGING PLAN & CHANNEL MARKER RELOCATI6N
CROSS SECTIONS OF CHANNEL
CROSS SECTIONS OF C . NNEL
CROSS SECTIONS OF CH6A NNEL
CROSS SECTIONS OF
SPOIL SITE — U.S.A.C.E 'ISLAND 88 (FINN9S ISLAND)
BEAR ISLAND BEACH PLAN AND PROFILE VIEWS
CO
C1
C2
C3
C4
C5
C6
C7
C8
STANDARD DETAILS — MAP, TIDE
GAUGE, CHANNEL
MARKERS
L n-m-ml C A T o N M A
"loom,
NO SCALE
I
SA is
@ 2 0 2F)
M®rahead City 0cm
i'
LLJ
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04
i
LLJ
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•
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DES. MKB
CHK. NWA
DRWN. DLW
DATE 11 /19/07
r
23591
L,rW BAN®`
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PON
(,A-b a

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EDGE OF MARSH
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[STA 31+00 THRU STA 63+00
EDGE OF MARSH
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+ 0.5
+ 0.0
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+-1.4
+-1.7
4.9 5 CHANNEL
l�,. ❑ MARKER
�RKELa MAR+� y'
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+0.1%/
+ 0.5 'C
+0.7
+0.9 +
+1.0 +
+1.1 +-2.
+ 0.2
+0.4
+ 0.6
+ 2.2
EDGE OF MARSH
HAN I IAL
HYDROGRAPHIC SURVEY
FOR
HAMMOCK'S BEACH STATE PARK 0 0.0 NLW
AND
ANDREW CONSULTING ENGINEERS _
OF
COW CREEK CHANNEL.
100 0 100 200 300
GRAPHIC SCALE 1" = 100'
DATE: JULY 2007
ROBERT H. GOSLEE & ASSOCIATES, P.A.
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST. WILMINGTON, NC 28401
[phone]
EMAIL: rhgilm®bellsouth.net
00
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+-1.0
h� f� +-2.5
COW CREEK CHANNEL +-1.7
PLAN NEW CENTERLINE PLAN_
1" = 100'-0"
NHw
NOTE:
SOUNDINGS ARE REFERENCED TO
NORMAL LOW WATER
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EDGE OF
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STA 63+00 THRU STA 81 +56.25
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3 =1
-9.0 NLW
R.
50' ® CHANNEL
of
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TYPICAL PROPOSED COW
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+-3.6 +
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8 MARKER
+-0.8
SET TWO NEW
TIDE GAUGES
ON MARKER 8 +-1.2
ELEV. BENCHMARK
FACING BOTH
DIRECTIONS
DREDGE SPOIL TO DREDGE SPOIL TO
SPOIL ISLAND BEAR ISLAND
DISPOSAL o DISPOSAL 0 0
0 0 0
cc) 0
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EDGE OF WRSH
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00 0 + Cl 0 r
j r- + Qo+ -t O
n c0 S 55'3958"E 1283.92 +-1.6 +2.4
+-1.s
+-2.5 +0.4 +-1.4 KEEP 10' OFF +1.7
0.2+ +0.0 +-0.5 +0.1
- +-2.5 +0.4 MARSH +1.4
Lb CJ +-2.9
� +7.2 +1.3 +2.4
+ 0.8 + 2.4
-1.5+ +-1.5 +-2.6 +-0.1 +1.4 _
W
Z -3.5+ +-3.4 +0.9 ADD NEW +-0.4 EDGE OF MARS
J
_ -3.4+ +-3.8 +0.5 +o.o CHANNEL 17 +-0.8 + 0. --
+-0.9 MARKER +0.9 _
FV -2.0+ +-1.5 +1.0 }
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CHANNELA
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SLOPE AT 4:1 TO FACE OF
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PROPOSED RY BASF,
�_'
ll! -.
EXISTING BULKHEAD.
DO NOT UNDERCUT BULKHEAD.
-
/ PIER
o1
+-1.s
:= OF MARSH
BEAR ISLAND
HAMMOCKS BEACH
+-1.4
STATE PARK
-1.2++-2.2
+ -5.5
-0.2 +
-4.9
-0.5+
+
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RESET
TIDE GAUGE
+0.7
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w
ON MARKER
ELEV. BENCHMARK
+
+.
LY,
FocF of
N"- H w - NORMAL HIGH WATER
+0.9 W .�
FALL 2007 PROPOSED CENTERLINE ADD NEW
+1. -CONTRACTOR TO
MARSH OUTLINE r LA N NOTES MARKER REMOVE STEEL SHEET
PILE/REBAR
tug
-
'c Lb 2 0 6106 0 7 3
CROSS HATCH = DREDGE AREA DES. MKB
NEW CHANNEL MARKERS (17 TOTAL - SEE NUMBER ON PLAN) DREDGING NOTES: CHK. NWA
® MAINTAIN AN 80' WIDTH BETWEEN ALL CHANNEL MARKERS I. DREDGING TO BE PERFORMED BEGINNING AT CHANNEL MARKER DRWN. BDH
SEE STANDARD DETAIL OF CHANNEL MARKER ON SHEET C10. #1 AND CONTINUING TO FERRY DOCK AT BEAR ISLAND DATE 11/19/07
AS SHOWN ON SHT. Cl.
EXISTING CHANNEL MARKERS (11 TOTAL) 2. DREDGE SPOIL FROM STA 0+00 TO STA 44+00 TO BE PUMPED � CALL EXISTING CHANNEL MARKERS TO BE REMOVED & PROPERLY TO A SPOIL ISLANDALONGTHEATLANTIC INTRACOA TAL WATERWAY
�
DISPOSED OF BY CONTRACTOR. AS SHOWN ON SHT. C6. DREDGE SPOIL FROM STA 44+00 TO Essi
FERRY BASIN TO BE PLACED ON OCEANSIDE BEACH OF BEAR ISLAND
AS SHOWN ON SHT. C7.
KNOWN EXISTING OBSTRUCTION IN CHANNEL
3. ALL LINES AND GRADES NECESSARY FOR ACCOMPLISHING THE - 23591
WORK SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR.
PRE -DREDGING AND AFTER -DREDGING SOUNDINGS SHALL BE MADE :��IN '
MEAN SEA LEVEL BY A LICENSED SURVEYOR FOR PAYMENT PURPOSES.
4. DREDGE AND SPOIL PLACEMENT PERMIT IS BEING OBTAINED W. iA
BY THE OWNER. THE CONTRACTOR IS RESPONSIBLE FOR ALL
ALL OTHER REQUIREMENTS FOR PERMITS, NAVIGATIONAL NOTICES,
APPROVALS, ETC.
1.53' 1.54' 5. CONTRACTOR SHALL OBTAIN APPROVAL FROM STATE FOR ROUTING
HYDRAULIC PIPING AND PUMPING ACTION OVER POCOSIN AREAS,
PRIVATE LEASED OYSTER FARMS, AND ANY NATURAL AREAS TO
THE SPOIL SITES. IN FRONT OF THE WARREN RESIDENCE ON
FINN'S ISLAND A 20' BUFFER MUST BE MAINTAINED FROM THE OF 9
DOCK'S PILINGS TO THE DREDGE PIPE. THE DREDGE PIPE
MUST BE ANCHORED IN FRONT OF THE WARREN RESIDENCE AS TO
NORMAL LOW WATER (BEAUF RT DATNOT TO BLOCK ACCESS TO THE WARREN DOCKS. SEE SHEET C11.
UM)
AT COW CREEK CHANNEL M.L.W. MEAN LOW WATER)

STATION
CUT AREA (S.F.)
CUT VOLUME (C.F.)
ACC. CUT VOLUME (C.Y.)
00+00
0
0
0
02+00
1.44
144
5
04+00
5.76
720
32
06+00
33.12
3,888
176
08+00
72.58
10,570
567
10+00
160.42
23,299
1,430
12+00
0
16,042
2,025
14+00
6.34
634
2,048
16+00
16.85
2,318
2,134
18+00
61.2
7,805
2,423
20+00
28.22
8,942
2,754
PROPOSED DREDGE PROFILE EXISTING BOTTOM CONTOURS
CROSS HATCH = DREDGE MATERIAL
4
0
-4
-8
-12
1 a
0.00 40-00 80.00 120.00 160.00 200.00 240.00 280-00
0+00
4
0
-4
-8
-12 1 1 1 1 1 1 f 1 1 1 1 1 1 f I I I I - I I
0.00 40.00 80.00 120.00 160.00 200.00
2+00
HYDROGRAPHIC SURVEY
OF ,
CO W CREEK CHANNEL
FOR
NORTH CAROLINA OF DEPARTMENT
RECREATIONPARKS AND
A "
SWANSBORO TOWNSHIP - ONSLOW COUNTY - NORTH CAROLINA
HORIZONTAL SCALE.• 1" = 40'
VERTICAL SCALE.- 1" = 4'
DATE: JUNE 11, 2007
ROBERT H. GOSLEE & ASSOCIATES, P.A.
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST. WILMINGTON, NC 28401
[phone]
EMAIL: [e-mail]
4
0
-4
-8
-12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
0.00 40.00 80.00 120.00 160.00 200.00
4+00
4
0
-4
-8
-12
0.00 40.00 80.00 120.00 160.00 200.00
6+00
4
0
-4
-8
-12 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 . -1 1
0.00 40.00 80.00 120.00 160.00 200-00 240.00 280-00 320.00
8+00
A
-4
-8
0.00 40.00 80-00 120.00 160.00 200.00 240.00 280-00 320.00
10+00
0
-4
-8
-117
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00
12+00
N
-4
w
i F
-T
----- -
------
L
-12 L-
0.00 40.00 80.00 120.00 160.00 200.00 240-00 280.00 320.00 360.00
14+00
0
-4
-8
-12 1 t 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 -
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00 360.00 380.00
16+00
0
-4
M-71
/V
1
F-
-12
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00 360.00 400.00 440.00
18+00
It
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M.
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0.00 40.00 80.00 120.00 160.00 200-00 240.00 280.00 320.00 360.00 400.00 440.00
20+00
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07039
DES. MKB
QHK. NWA
DRWN. BDH
DATE 11/19/07
C 4
Nity
23591
z:
W.
4(97
OF 9

4
0
-4
ACC. CUT VOLUME (C.Y.)
22+00
165.60
269.28
19,382
3,472
24+00
43,488
5,083
26+00
293.76
56,304
7,168
28+00
390.24
68,400
9,701
30+00
465.12
85,536
12,869
32+00
413.28
87,840
16,123
34+00
462.24
87,552
19,365
36+00
482.40
94,464
22,864
38+00
452.16
93,456
26,325
40+00
378.72
83,088
29,403
42+00
430.56
80,928
32,400
-UT AREA,,(S.F.)
STATION CUT VOLUME (C.F.)
PROPOSED DREDGE PROFILE EXISTING BOTTOM CONTOURS
CROSS HATCH = DREDGE MATERIAL
0.00 40.00 80.00 120.00 160.00 200-00 240.00 280.00 320.00 360.00 400.00
22+00
0
-4
-8
4
0
-4
-8
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280-00 320-00 360.00 400.00
24+00
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00 360-00 400.00 440.00
26+00
HYDROGRAPHIC SURVEY
OF
CO fry CREEK CHANNEL
FOR
NORTH CAROLINA DEPARTMENT OF
PARKS AND RECREATION
SWANSBORO TOWNSHIP. ONSLOW COUNTY - NORTH CAROLINA
HORIZONTAL SCALE: 1" = 40'
VERTICAL SCALE: 1" = 4'
DATE: JUNE 71, 2007
ROBERT H. GOSLEE & ASSOCIATES, P.A.
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST WILMINGTON, NC 28401
[phone]
EMAIL: [e-mail]
4
0
-4
-8
r
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00 360.00 400.00
28+00
4
0
-4
-8
0.00 40.00 80.00 120.00 160.00 200-00 240.00 280.00 320.00 400.00
30+00
4
w
-4
-8
4
0
-4
-8
'a
7
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00
32+00
0.00 40.00 80.00 120.00 160.00 200-00 240-00 280.00 320.00
34+00
4
0
-8
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00
36+00
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320-00
38+00
4
0
-4
-8
4
0
-4
-8
40+00
. ..................
2
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00
42+00
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07039
DES. MKB
CHK. NWA
DRAIN. BDH
DATE 11/19/07
CARO;
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23591
i�lo7
OF 9

STATION
CUT AREA (S.F.)
391.68
CUT VOLUME (C.F.)
ACC. CUT VOLUME (C.Y.)
44+00
82,224
35,445
46+00
182.88
57,456
37,573
48+00
267.84
45,072
39,243
50+00
433.44
70,128
41,840
52+00
403.2
83,664
44,939
54+00
355.68
75,888
47,749
56+00
374.40
73,008
50,453
58+00
239.04
61,344
52,725
60+00
272.16
51,120
54,619
62+00
430.56
70,272
57,221
64+00
326.88
75,744
60,027
PROPOSED DREDGE PROFILE EXISTING BOTTOM CONTOURS
CROSS HATCH DREDGE MATERIAL
4
0
-4
-8
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00
44+00
4
m
-4
-8
0.00 40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00 360.00
46+00
HYDROGRAPHIC SURVEY
OF
C 0 W CREEK CHANNEL
FOR
, ry ORT�0 A ROLINA DEPARTMENT nF
PAIA�DKS 171L-7CREA TIO�
li_v_i
SWANSBOR0 TOWNSHIP - ONSLOW COUNTY - NORTH CAROLINA
HORIZONTAL SCALE.• 1" = 40'
VERTICAL SCALE: 1" = 4'
DATE: JUNE 71, 2007
ROBERT H. GOSLEE & ASSOCIATES, P.A.
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST WILMINGTON, NC 28401
[phone]
EMAIL: [e-mail]
4
0
-4
-8
-12
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DATE 11/19/07
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STATION
CUT AREA (S.F.)
CUT VOLUME (C.F.)
ACC. CUT VOLUME (C.Y.)
66+00
250.99
57,787
62,127
68+00
268.56
51,955
64,091
70+00
219.02
48,758
65,897
72+00
150.91
36,994
67,267
74+00
194.83
34,574
68,548
76+00
212.26
40,709
70,055
76+62
396.00
19,090
70,763
BASELINE "C"
234.86
78,858
73,683
BASELINE "B"
695.86
62,289
75,990
81 +56.25
77.82
42,409
77,561
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PROPOSED DREDGE PROFILE EXISTING BOTTOM CONTOURS
CROSS HATCH = DREDGE MATERIAL
Now
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0.00
66+00
40.00 80.00 120.00 160.00 200.00 240.00 280.00 320.00
68+00
HYDROGRAPHIC SURVEY
OF
COW CREEK CHANNEL
OR
NOR1rPH CAROLINADEPARTMENT OF
PARKS AND RECREATION
SWANSBORO TOWNSHIP - ONSLOW COUNTY - NORTH CAROLINA
HORIZONTAL SCALE. • 1 40'
VERTICAL SCALE: 1 " = 4'
DATE: JUNE 11, 2007
ROBERT H. GOSLEE & ASSOCIATES, P.A.
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST. WILMINGTON, NC 28401
[phone]
EMAIL: [e-mail]
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23591
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- - ALL SECTIONS OF 36" DIAMETER
USE EXISTING 26' ELEV. CONTOUR CMP PIPE TO BE REPLACED BY
CONTRACTOR WITH EQUIVALENT PIPE. -
TOP OF { ) OUTFALL MUST BE BELOW NLW.
RETENTION AS TOP OF DIKE (NO GRADING REQ. �%%✓"
MOUND
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PLASTIC SHEETING AS REQUIRED BY L
n .`4-,s'' .-y', ,,..,,•-....•- '.),,•,,••4 BERM/DIKE TOP ELEV. = 26'
DIVISION OF COASTAL MANAGEMENT EL +SEE PLAN
TOP OF DIKE <' '' : `' _,'
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LIQUID SURFACE MITI -I I i-1 I I-� - cy ; SLOPE SIDES AT 2:1 ,, /� Z
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_ ___ ____ ____ _ _ _ _ SECTION C� INLET �Jp Ra
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L 1
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145. 8'
L 10
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L 11
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152.01 J
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100.64
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BASIN DATA
AREA
9
17:
13,605
SF
AREA
9
18:
74,493
SF
AREA
©
20:
160,715
SF
AREA
26:
382,705
SF
1.
FILL PLACEMENT SHALL BE IN UNIFORM DEPOSITS NO THICKER
THAN 3 FEET. OVERFILLING SHALL BE MOVED AT THE
w
CONTRACTORS EXPENSE.
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2.
MINIMUM CLEARING AND GRADING ARE REQUIRED.
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3.
SPILLWAY DETAIL SHOWN IN SPECIFICATIONS (PERMIT
¢
3
APPLICATION) IS TO SHOW GENERAL REQUIREMENTS, A
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DIFFERENT TYPE SPILLWAY MAY BE USED PROVIDED THE
CONTRACTOR SUBMITS A DRAWING OF SUCH FOR APPROVAL.
4.
PLACEMENT OF DREDGED MATERIAL IN THE INDICATED SPOIL
AREA SHALL BE CONTROLLED IN ACCORDANCE WITH THE
W
REQUIREMENTS OF THE DIVISION OF COASTAL MANAGEMENT.
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DEPOSIT SHALL BE MADE ABOVE THE HWL. IN CONFINED AREAS
SO AS TO ALLOW SOLIDS TO SETTLE WITHIN. DEPOSITS OR DISCHARGE
4
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SHALL NOT ALTER EXISTING DRAINAGE DITCHES, CANALS OR STORM
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5. ALL ELEVATIONS ARE NGVD 29. x
6. SPOIL ISLAND SHALL BE EXCAVATED TO CREATE THE DIKES BERMS I~ U
TOP OF DIKE = 26.00 U w
-= t ., = / ; ; -,: ; ' AS SHOWN ON PLANS. CONTRACTOR IS TO UTILIZE EXISTING
TOPOGRAPHY TO MINIMIZE \ GRADING. FLOOD POOL = 23.41 7. MAX SLOPE ON THE DIKES SHALL BE 1:1. 2:1 SLOPE PREFERRED. 00
THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING �' M
\a`c��gT�y- J� BOTTOM 17.00 A STABLE SIDESLOPE.
\ 1 / \ 2� \/ �,d rr -2 /- ' No� 8. A STOCKPILE AREA IS NOT NECESSARY PER THE DESIGN.
_
\ 3 x?6o 25 .�; \ / -!_ _ j > F�� y BASIN VOLUME ELEV. 23.41 = 50,400 CU. YARDS ALL EXCAVATED AND DREDGE MATERIAL SHALL BE
yOo° �o^'E BASIN VOLUME ELEV. 21.58 = 36,000 CU. YARDS CONTAINED WITHIN THE 26 CONTOUR LINE INDICATED ON PLANS.
✓7
__ FROM INVERT TO TOP OF WEIR
_ --- _
c� M N \ `\ �_ - - `10 ---- - --'- - ---- - -
- --- - � 11.5' 0 F ELEV.07039
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VQ II II \\ `\ `\ - �� _ _i-- _r'--- ---------------------------- -- _ �i
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QzzzWSTABILIZE AS REQUIRED BY
\\ - - - DIVISION OF COASTAL MANAGEMENT \ - _-------_-__-- _--------------_----- =moo h/cy MAINTAIN 2' FREEBOARD CYLINDRICAL WEIR OR DCHK. NWB
\ _---- ---- _ _--- ----------- _ - ------ -- -- ----- o (CONTRACTORS OPTION)
_ ___ _s_ _ -- ------ �FNSF z9 �' FpToFQSF (C N) - EL +25' PLAN DRWN. MKB
y5 -- DATE 11 /19/07
---------------
---------------
NEWNNFI.
------------------- 36 GALV CMP 0 /�
_------------ --- - _ - _ DIKE I OUTLET PIPE
' LIQUID SURFACE - -_ - CONTRACTOR MUSTPROPERLY
OF
CLEAN OUT EXISTING DEBRIS I- EXISTING DAMAGED E PIPE. L
PREPARE FOR RE -USE �= 23591 -
-- --- -- -- - -- - 1
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,� I SCREEN TO PREVENT DEBRISci
{
-- SCALE: 1 = 60 y 8 -0 FROM ENTERING OUTLET PIPE
N
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0 - 180 OF 9
ROBERT H. GOSLEE & ASSOCIATES, P.A.°Gyo
LAND SURVEYORS - LAND PLANNERS
513 CHESTNUT ST. WILMINGTON, NC 28401
[phone]
EMAIL: [e-mail]
TYPICAL WEIR DETAIL
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AS REQUIRED
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DES. NWA
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DATE 11/19/07
23591
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MEAN HIGH rIDE LINE (VARIES) BEAR ISLAND BEACH PROFILE VIEW rT�
HORIZONTAL SCALE: 1/4' 1'-0" � �7
VERTICAL SCALE: 1 1/4" 1'-0"
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12" RED REFLECTIVE NUMBER
FLUORESCENT RED FILM
SCOTHCAL SPECIAL EFFECT
FILM SERIES 7725 SE BY 3M
EWSi��l��
1/2" WHITE "ALUMALITE", ALUMINUM
SIGN BOARD
PORT
2" GREEN REFLECTIVE BORDER
12" GREEN REFLECTIVE NUMBER
FLUORESCENT GREEN FILM
SCOTHCAL SPECIAL EFFECT
FILM SERIES 7725 SE BY 3M
BOLT W/4, 5/8"0 ST. STL. BOLTS
11 EXISTING PILES REMOVED
17 NEW PILES DRIVEN
12" 0 CLASS "B" PILINGS
40' IN TOTAL LENGTH (TYP.)
BOTTOM SURFACE
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EXISTING PILINGS.
100'-0"
A.I.W.W.
//-OUTER PILING
1
OUTER PILING -OUTER PILING
0
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DREDGE PIPE TO BE OFFSET 20'-0" AND ANCHORED 100' IN EITHER DIRECTION OFF OF THE WARREN BROTHER'S DOCK/OUTER PILINGS.
CONTRACTOR NOT TO RESTRICT ACCESS TO THE WARREN BROTHER'S PROPERTY.
9
FINN'S ISLAND
2" X 10" PT LUMBER
10'-0" IN LENGTH
4" NUMBERING
BLACK WATER -PROOF PAINT
PAINT TIDE GAUGE YELLOW
USE CORROSIVE INHIBITOR PAINT
TIDE GAUGE DETAIL 2
3/4" = 1'-0" C$
A*I*W.oW*
44 LC
MOr6head City DC;M
04,
J
z
O D
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CL z
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0 0
(n z 'y
w 0 w
0
0
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07039
DES. MKB
CHK. NWA
DRWN. MKB
DATE 11 /19/07
E
23591
'',C//W. NOD
III IIIo 6 1
r
MW
TO COW CREEK CHANNEL
SCALE 1 /8"" = 1--0--
TO SPOIL SITE
• •,