145-06 Oversized Plans

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DARE COUNTY �.)REGON INLET
8c WATERWAYS COMMISSION
P.O. BOX 1000, MANTEO, NC 2"-954
252-475-5628 PHONE [phone] FAX
DREDGING PLAN
BOWSERTOWN
Cl/'ANAL
MANTEO,
DARE
COUN_
--y
I NORTH
DATE =-2005 REVISIONS
DESIGNED = = - 23- - (~D HANNEL ALIGNMEENTST
DRAWN _ _ _ =_8_ ``ASION FOR CAMA MAJOR
PROJECT .TION SUBMITTAL
CARO A

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_2.2 8 O0 STA: 1,6+09.59 L .
I �.A13 N 796860.70 MAP C
DARE BOUNTY '-,REGON INSET
� WATERWAYS- COMMISSION
P.O. BOX 1000, MANTEO, NC 27954
252-475-5628 PHONE [phone] FAX
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SP0 L AREA 1g
SEEPAGE 5 OF 5 FOR SPOIL `
AREA DETAILS AND EROSION AND
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NOTE: SOUNDINGS SHOWN ON THESE DRAWINGS
26'g'fi',5'�/ ARE EXPRESSED IN MEAN LOW WATER (MLW). -
x '
MAP LD
D A TE 9-14-2005
DESIGNED
DRAWN
'\OJECT
n /1 I I N I n - - -_

DARE COUNTY - R-SON INLET
8c WATERWAYS C.-"'0MMI(H:)SION
P.O. BOX 1000, MANTEO, NC --95'-
252-475-5628 PHONE 2FZ,-47:--3042 FAX
=-2005
Y IN Ur U L/-\rUULII\�U I� `�-

CVIC`TIAIll Mn-r-rn4A
CHANNEL CROSS SECTIONS
(NOT TO SCALE)
3: -2 -2
-
-6 - - -6
30 25 20 15 10 5 0 5 10 15 20 25 30
q
STA 39+75 JUN 0 9 nuJ
COASTAL A,1ANAGEML,,,
ELIZABE-TH CITY
EXISTING BOTTOM
7
0 0
3�: -2 - -2
: -4 - -4 -j
-6 i -6
30 25 20 15 10 5 0 5 10 15 20 25 30
STA 344-80
EXISTING BOTTOM S
0
-2
: -4
I
30 25 20 15 10
5 n In
1r. on 0S 7n
STA 29+70
GRADE: 5' MLW
EXISTING BOTTOM 7 S OVERDEPTH: 6' MLW
-2 3:
4
6
0
^ —2
—4
-6
30 25 20 15 10 5 0 5 10 15 20 25
q
STA 24+80
0
J —2 _ —2
—4 - -4
—6 - - —6
30 25 20 15 10 5 0 5 10 15 20 25 30
q
STA 19+75
NOTES:
EXISTING BOTTOM
L THE HORIZONTAL DATUM FOR THIS PROJECT IS NAD 1983 (NORTH CAROLINA STATE
PLANE COORDINATE SYSTEM, 1983),7
2, ALL SOUNDINGS SHOWN IN FIGURE 3 (SHEETS 1 AND 2) REFER TO LOCAL ML`,N
0
-
0
AND REFERENCES ARE MADE TO N❑AA BENCHMARK E 249 (1949), LOCATED IN
-2 -E7
-----2
MANTE❑, NORTH CAR❑LINA.
-4 -
-4 J
-6 -
-
-6
3. THE VERTICAL DATUM FOR ALL DREDGING ACTIVITY WILL BE LOCAL MLW, A
30
25 20 15 10 5 0 5 10
15 20 25 30
TEMPORARY BENCHMARK WILL BE INSTALLED NEAR PROJECT AREA,
4, SOUNDINGS SHOWN IN THESE DRAWINGS WERE OBTAINED IN MARCH 2O05, BY
MCKIM & CREED, USING A 200 KHZ OD❑M ECH❑SOUNDER AND A DIFFERENTIAL GPS
STA 14+70
POSITIONING SYSTEM,
EXISTING BOTTOM 7
0
-2
J
-4
-6
0
-2
J
-6
�u L5 20 15 10 5 0 5 10 15 20 25 30
q
STA 10+00
�YICTI�IC DnTTnAA
0 -- 0
-j -4 -2 -j
-4
-6 -6
30 25 20 15 10 5 0 5 10 15 20 25 30
STA 4+45
SILT FENCE CONSTRUCTION
SEQUENCE:
1. INSTALL TRENCH ALONG
PROPOSED ALIGNMENT OF SILT
FENCE.
2. INSTALL 5' STEEL FENCE
POSTS AT 8' ON CENTER.
3. ATTACH WIRE FENCING (6" X
6" MESH SIZE, MAXIMUM OPENING)
TO UP -SLOPE SIDE OF FENCE
POSTS USING COATED STEEL WIRE.
EXTEND MESH INTO TRENCH.
4. ATTACH GEOTEXTILE FABRIC
(30 #/LINEAR INCH) TO POSTS ON
UP -SLOPE SIDE OF FENCING AND
POSTS USING COATED STEEL WIRE,
EXTEND FABRIC INTO TRENCH.
5. AT ALL FABRIC JOINTS,
OVERLAP FABRIC FOR AT LEAST
ONE POST SPACING (6 FEET).
6. BACKFILL TRENCH WITH
EXCAVATED MATERIAL AND
COMPACT.
d _ P- I CHANNEL -E_, E
EROSION CONTROL - SEQUENCE
OF
CONSTRUCTION
=ENCE POSTS 1. PRIOR TO START OF WORK, THE CONTRACTOR SHALL OBTAIN THE APPROVED EROSION
ON CENTER CONTROL PLAN.
UM SPACING)
TS SHALL BE 2• INSTALL SILT FENCE AS SHOWN IN THE PROJECT DRAWINGS AND IN ACCORDANCE WITH
3 LB/LIN FT, THE EROSION CONTROL PERMIT.
IMUM 3. REQUEST AN ON -SITE INSPECTION BY DIVISION OF LAND QUALITY, NCDENR.
4. THE HEIGHT OF PLACED SPOIL MATERIAL SHALL BE MINIMIZED IN ORDER TO PREVENT
EROSION OF STOCKPILED MATERIAL.
5. FOLLOWING THE PLACEMENT OF SPOIL MATERIAL ON THE SITE, INSTALL TEMPORARY
AND/OR PERMANENT VEGETATIVE GROUNDCOVERS (SEE BELOW).
SECTION
6. THE CONTRACTOR WILL BE REQUIRED TO INSPECT ALL EROSION CONTROL MEASURES
PERIODICALLY AND FOLLOWING ANY RUNOFF PRODUCING RAINS.
7. AFTER ALL CONSTRUCTION ACTIVITY HAS BEEN COMPLETED AND ALL AREAS HAVE
BEEN STABILIZED, REQUEST A PRELIMINARY -FINAL INSPECTION FROM NCDENR.
8. REQUEST A FINAL INSPECTION FROM NCDENR AFTER ALL GROUNDCOVER HAS BECOME
SILT FENCE DETAIL FULLY ESTABLISHED.
(N TS
STEEL FENCE POST
F&TWWMFABRIC f
_,-SYNTHETIC FILTER FABRIC
2 4"
SILT FENCE SECTION
(NTS
SPOIL AREA S-�T ON
(NTS
TEMPORARY SEEDING MIXTURE
SPECIES RATE (LB/AC) SEEDING DATES
ANNUAL RYE 120 AUGUST 25 - MAY 1
GERMAN MILLET 40 MAY 1 AUGUST 25
PERMANENT SEEDING MIXTURE
SPECIES RATE (LB/AC) SEEDING DATES
TALL FESCUE 100 FEB 15 - APR 30
SEPT 1 OCT 31
NOTE: DUE TO THE NATURE OF THE DREDGED MATERIAL SPOIL SITE, SEEDING
WILL BE ACCOMPLISHED BY MANUAL APPLICATION. IF IT IS DETERMINED THAT
FERTILIZER OR MULCHING IS REQUIRED, HAND APPLICATION WILL ALSO BE
REQUIRED.
ROS01\1 DATE 9-1a--); REVISIONS
o,$,o v � I� ��� � H��u �EUIMEN I A TI0P' CONTRO
& WATERWAYS COMMISSION
P.O. BOX 1000, MANTEO, NC 27954
252-475-5628 PHONE [phone] FAX
BOI,VSERTOWN
MANTEO, DA
RE COUNTY,
10—FOOT WIDE STRIP OF NATIVE VEGETATION WILL
_ACE IN ORDER TO MINIMIZE THE AMOUNT OF
RATING TOWARD THE SILT FENCE. IF A
AMOUNT OF SEDIMENT ACCUMULATES IN THIS AREA
AI- IER A RUNOFF PRODUCING RAINFALL, IT WILL BE REMOVED AND
RETURNED TO THE SPOIL PILE.
L DETAILS DESIGNED SSS ADD CAMA LINE, ADJUST
1-23-06 CHANNEL ALIGNMENT
DRAWN S , _ FINAL REVISION FOR CAMA MAJOR
PROJECT 8 96 APPLICATION SUBMITTAL
NORTH CAROI INA