20230124 Ver 1_Design/Maps/Site Plans Revised_20230522

SOUTHPORT MEADOWS
NOTES:
1. BOUNDARY AND TOPOGRAPHIC INFORMATION TAKEN FROM
SURVEY BY TIMMONS GROUP DATED DECEMBER 14, 2022.
2. DITCHED PERENNIAL STREAM AND PERENNIAL STREAM
ORDINARY HIGH-WATER MARK (OHWM) DETERMINED FROM
SURVEY BY TIMMONS GROUP DATED MARCH 7, 2023.
3. A DELINEATION OF THE PROJECT AREA WAS COMPLETED BY
SOUTHERN ENVIRONMENTAL GROUP (SEGI) ON DECEMBER
23, 2021. THE DELINEATION WAS APPROVED BY THE U.S.
ARMY CORPS OF ENGINEERS (ASACE) AND A PRELIMINARY
JURISDICTIONAL DETERMINATION (PJD) WAS ISSUED BY
GARY H BEECHER ON JULY 28, 2022. SAW-2022-00375
4. TIMMONS GROUP VERIFIED WITH THE NC DIVISION OF
COASTAL MANAGEMENT (DCM) THAT A CAMA PERMIT WILL
NOT BE REQUIRED FOR THIS SITE.
5. THE SUBJECT PROPERTY IS LOCATED IN ZONE X AND AE IN
ACCORDANCE WITH FIRM MAP NUMBERS 3720209700K,
3720208700K, AND 3720209800K WITH AN EFFECTIVE DATE OF
AUGUST 28, 2018.
6. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH
BRUNSWICK COUNTY AND NCDOT STANDARDS,
SPECIFICATIONS, AND DETAILS.
Know what's below.
i
Call before you dig.
ENVIRONMENTAL IMPACTS
BRUNSWICK COUNTY, NORTH CAROLINA
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VICINITY MAP
111=5000'
Sheet List Table
SITE DATA TABLE:
TOTAL AREA: 160.39 ACRES
TOTAL WETLANDS: 87.01 ACRES (3,790,007 SF)
TOTAL LINEAR FEET OF PERENNIAL STREAMS: 3,192.94 LF
TOTAL LINEAR FEET OF DITCHED PERENNIAL STREAMS: 3,050.28 LF
TOTAL LINEAR FEET OF RELATIVELY PERMANENT WATERS: 4,975.02 LF
Sheet Number
Sheet Title
CWI-1.0
COVER SHEET
CWI-1.1
EXISTING CONDITIONS
CWI-1.2
OVERALL ENVIRONMENTAL IMPACT
CWI-1.3
WETLAND, STREAM AND RELATIVELY PERMANENT WATER IMPACTS TABLE
CWI-1.4
DITCHED PERENNIAL STREAM IMPACT 1 PLAN & PROFILE
CWI-1.5
DITCHED PERENNIAL STREAM IMPACT 2 PLAN & PROFILE
CWI-1.6
DITCHED PERENNIAL STREAM IMPACT 3 & RPW IMPACT 1 PLAN & PROFILE
CWI-1.7
WETLAND IMPACTS 1 TO 4 PLAN
CWI-1.8
PERENNIAL STREAM IMPACT 1 & WETLAND IMPACT 5 PLAN & PROFILE
CWI-1.9
NOTES AND DETAILS
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TOTAL AREA160.39ACRES
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Contractor will follow the following construction sequence:
•
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Contractor shall notify the Brunswick County Planning
Department 48-hours in advance of start of work during
a period of time with no rain in the forecast.
Prior to start of work, contractor shall have all materials
and equipment on -site. For utility crossings with
casings, the carrier pipe shall be installed within the
casing pipe prior to any open cut activities.
Contractor shall install a temporary coffer dam on the
upstream side of the proposed crossing and pump water
around the open cut area to the downstream side.
Contractor shall place the culvert or utility casing with
carrier pipe at elevations shown on the approved plans
and backfill in accordance with Brunswick County
specifications.
Contractor shall restore channel and stabilize any
disturbance within 24-hours of start of work.
Contractor shall restore wetland areas with temporary
impact or permanent conversion to impact to
pre -construction contours, and plant an appropriate
wetland or riparian seed mix.
LEGEND
0 0 0 0 0 0 0 0 C FLOOD ZONE
— — — FLOODWAY
PROPERTY LINE
DITCHED PERENNIAL STREAM
PERENNIAL STREAM
— RELATIVELY PERMANENT WATERS
♦1/ ♦L WETLANDS
SITE DATA TABLE:
TOTAL AREA: 160.39 ACRES
TOTAL WETLANDS: 87.01 ACRES (3,790,007 SF)
TOTAL LINEAR FEET OF PERENNIAL STREAMS: 3,192.94 LF
TOTAL LINEAR FEET OF DITCHED PERENNIAL STREAMS: 3,050.28 LF
TOTAL LINEAR FEET OF RELATIVELY PERMANENT WATERS: 4,975.02 LF
WETLAND, STREAM AND RPW IMPACT LEGEND:
® PERMANENT WETLANDS - LIGHT GREEN
TEMPORARY WETLANDS - YELLOW
PERMANENT DITCHED PERENNIAL STREAM - CYAN
PERMANENT DITCHED PERENNIAL STREAM - NO LOSS - PURPLE
TEMPORARY DITCHED PERENNIAL STREAM - PINK
PERMANENT PERENNIAL STREAM - ORANGE
0 PERMANENT PERENNIAL STREAM - NO LOSS - DARK GREEN
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47274
V
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SHEET NO.
M
CWI-1.3
m
r E
MAP
SHEEP
IMPACT NUMBER
IMPACT SPECIFICATION
WETLAND IMPACT
DITCHED PERENNIAL STREAM IMPACT
PERENNIAL STREAM IMPACT
RELATIVELY PERMANENT WATERS IMPACT
PERMANENT
(SF) (AC)
TEMPORARY
(SF) (AC)
ENT
(LF) (SF) (AC)
(LF) (SF) (AC)
(LF) (SF) (AC)
PERMANENT
(LF) (SF) (Aq
(LF) (SF) (AC)
(LF) (SF) (AC)
CWI-1.4
DITCHED PERENNIAL STREAM IA
PROPOSED ROADWAY FILL
- -
- -
68.22 547.85 0.0126
- - -
- - -
- - -
- - -
- - -
CWI-1.4
DITCHED PERENNIAL STREAMIB
PROPOSEDCIA5510UTLETPROTECTION
- -
- -
20.00 139.75 0.0032

DITCHED PERENNIAL STREAM IMPACT 1
(0
ry. i
Y.
Y.
L
HEADWALL A
DITCHED PERENNIAL STREAM 6
\ / IMPACT 1A 3
I / PERMANENT FOR PROPOSED
ROADWAY FILL \ 35
6'Hx10'W (68.22 LF/547.85 SF/ 0.0126 AC)
REINFORCED 34
CONCRETE DUAL \
BOX CULVERT 33
\ \ DITCHED PERENNIAL STREAM / HEAD ALL 1B IMPACT 1B
PERMANENT FOR CLASS
DITCHED PERENNIAL STREAM IMPACT I OUTLET PROTECTION
PERMANENT - NO LOSS \\ m \\ \\ (20.00 LF/139.75 SF/ 0.0032 AC)
/ FOR CLASS I OUTLET PROTECTION ll 11\\\�
KEYED INTO EX. GROUND
30.00 LF/216.30 SF/ 0.0050 AC
An
An
PROPOSED
GRADE
35
35
68 LF @ 0.30%
PROPOSED 6'Hx
0'W
DUAL BOX CUL
ERT
20' PERMANENT IMPACT
FOR CLASS 1 OU7LET
30
PROTECTION 30
30' PERMANENT - NO LOSS
IMPACT FOR CLASS 1
OUTLET PROTECTION KEYED
INTO EXISTING GROUND
EXISTING
—
GROUND
J
25_225
1' MIN. OF THE CULVERT
DIAMETER
BELOW DITCH ELEVATION
FILL WITH EXCAVP
TED NATURAL BED
20
MATERIAL
20
Oq
0
0
NN
NN
NN
r
0 50
PROFILE SCALE
-0+50 0+00 1+00 2+00
DITCHED PERENNIAL STREAM 1 PROFILE
Contractor will follow the following construction
sequence:
• Contractor shall notify the Brunswick County
Planning Department 48-hours in advance of
start of work during a period of time with no
rain in the forecast.
• Prior to start of work, contractor shall have
all materials and equipment on -site. For
utility crossings with casings, the carrier pipe
shall be installed within the casing pipe prior
to any open cut activities.
• Contractor shall install a temporary coffer
dam on the upstream side of the proposed
crossing and pump water around the open
cut area to the downstream side.
• Contractor shall place the culvert or utility
casing with carrier pipe at elevations shown
on the approved plans and backfill in
accordance with Brunswick County
specifications.
• Contractor shall restore channel and
stabilize any disturbance within 24-hours of
start of work.
• Contractor shall restore wetland areas with
temporary impact or permanent conversion
to impact to pre -construction contours, and
plant an appropriate wetland or riparian
seed mix.
An
An
PROPOSED
GRADE
35
35
30
30
EXISTING1
GROUND
25
25
PROPOSED
6'Hx10'W DUAL
BOX CULVERT
20
20
N
(Y j
N
4
-0+50 0+00
HEADWALL
DITCHED PERENNIAL STREAM IMPACT LEGEND:
PERMANENT DITCHED PERENNIAL STREAM - CYAN
0 PERMANENT DITCHED PERENNIAL STREAM - NO LOSS - PURPLE
SCALE 1 "=50'
LEGEND 0 50' 100
DITCHED PERENNIAL STREAM
PERENNIAL STREAM
RELATIVELY PERMANENT WATERS
ORDINARY HIGH-WATER
MARK (OHWM) FLAG
1+00
1A PROFILE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5'
Know what's below. DO
Call before you dig. Do
z
An An
PROPOSED
GRADE
35
35
30
74hin
30
EXISTING
GROUND
25
25
PROPOSED
6'Hx10'W DUAL
BOX CULVERT
20
20
M00
N
M
�
cY)
-0+50 0+00
HEADWALL
1+00
1B PROFILE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5'
0
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0
0
0
0
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DATE
312012023
DRAWN BY
331
DESIGNED BY
331
CHECKED BY
805
SCALE
AS SHOWN
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47274
SHEET NO.
CWI-1.4
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'

DITCHED PERENNIAL STREAM IMPACT 2
SCALE 1 "=50'
NOR
0 50' 100'
\
III\ \ 1\\\\\0
HEADWALL 2A
OX
\ I
DITCHED PERENNIAL
M
STREAM IMPACT 2A
\ \ M
PERMANENT FOR 00
6H'x10'W
PROPOSED
REINFORCED
ROADWAY FILL
CONCRETE DUAL
` (61.83 LF/475.10 SF/
BOX CULVERT /'
0.0109 AC)
-�
9
33 �,,� o
\ , `!
HEADWALL 213
\ \ w
1\
DITCHED
\ \ \ \ PERENNIAL
III
DITCHED PERENNIAL \
\
I I \\ 3L STREAMIMPACT21B
1II PERMANENT FOR
STREAM IMPACT 2C
228 PERMANENT - NO LOSS I
\
\ ) \ \j 1 CLASS OUTLET
FOR CLASS I OUTLET I
PROTECTION
\\ \ PROTECTION
I „ \ �` (20.00 LF/137.36 SF/
0.0032 AC)
\ (30.00 LF/215.94 SF/-
0.0050 AC)
I CVi
PROPOSED
GRADE
G
30
30
EXISTING
I
GROUND
\
25
25
PROPOSED
6'x10' DUAL BOX
CULVERT
20
20
d,
o
M�
M
M
M
-0+50 0+00 1+00
HEADWALL 2A PROFILE
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'
M
00
0
a
z
18.4" PROPOSED
GRADE PROPOSED
6'Hx10'W DUAL
BOX CULVERT
20' PERMANENT IMPACT
FOR CLASS 1 OUTLET
0.30% PROTECTION
EXISTING
GRO:�Z
N— V )!: _
DITCHED PERENNIAL STREAM IMPACT LEGEND:
PERMANENT DITCHED PERENNIAL STREAM - CYAN
0 PERMANENT DITCHED PERENNIAL STREAM - NO LOSS - PURPLE
LEGEND
DITCHED PERENNIAL STREAM
ORDINARY HIGH-WATER
MARK (OHWM) FLAG
5
30' PERMANENT - NO LOSS o
IMPACT FOR CLASS 1 OUTLET
PROTECTION KEYED INTO
20 EXISTING GROUND 20 ~
Know what's balm a a
V MIN. OF THE CULVERT DIAMETER Cell before VW dig,
BELOW DITCH ELEVATION 0 11 DATE
FILL WITH EXCAVATED NATURAL BED 0 50 0 3/20/2023
MATERIAL PROFILE SCALE DRAWN BV
331
0+00 1+00 2+00
DITCHED PERENNIAL STREAM IMPACT 2 PROFILE
5
0
0 50
PROFILE SCALE
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'
Contractor will follow the following construction sequence:
• Contractor shall notify the Brunswick County Planning
Department 48-hours in advance of start of work during a
period of time with no rain in the forecast.
• Prior to start of work, contractor shall have all materials and
equipment on -site. For utility crossings with casings, the carrier
pipe shall be installed within the casing pipe prior to any open
cut activities.
• Contractor shall install a temporary coffer dam on the upstream
side of the proposed crossing and pump water around the open
cut area to the downstream side.
• Contractor shall place the culvert or utility casing with carrier
pipe at elevations shown on the approved plans and backfill in
accordance with Brunswick County specifications.
• Contractor shall restore channel and stabilize any disturbance
within 24-hours of start of work.
• Contractor shall restore wetland areas with temporary impact
or permanent conversion to impact to pre -construction
contours, and plant an appropriate wetland or riparian seed
mix.
5
0
0 50
PROFILE SCALE
.15
30
PROPOSED
GRADE
30
PROPOSED
6'x10' DUAL
EXISTING
BOX CULVERT
1
GROUND
25
Pdl
25
20
20
00�
Cq
M
N
M
-0+50 0+00 1+00
HEADWALL 213 PROFILE
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'
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331
CHECKED BY
805
SCALE
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OB NO
47274
CWI-1.5

DITCHED PERENNIAL STREAM IMPACT 3
RELATIVELY PERMANENT WATERS IMPACT 1
i 30' SANITARY �\
EASEMENT
DITCHED PERENNIAL STREAM
IMPACT 3
I I I \ \ \ TEMPORARY FOR SANITARY
AND FORCEMAIN PIPE )
\ 1\ \ INSTALLATION
\� (31.96 LF/187.49 SF/0.0043 AC)
21°\
r \ \\ °�°°\4%° OZ\
\ / :1A\ 1 1, �I, _ All \ .I, �I,°� \ ALA
SCALE 1 "=50'
0 50' 100,
61
PROPOSED 6"
C900 DR18 PVC
FORCEMAIN
0 50
PROFILE SCALE
25 25
EXISTING
GROUND
20
2d
\1
15
15
36"
6"
10 330 LF
10
@ 0.40%
5
5
RELATIVELY PERMANENT
WATERS IMPACT 1
TEMPORARY FOR SANITARY
AND FORCEMAIN PIPE
INSTALLATION
(39.78 LF/79.56 SF/0.0018 AC) \ \ I \
30' SANITARY
EASEMENT
SCALE 1 "=50'
OEM
0 50' 100,
0 50
PROFILE SCALE a
n
0+00 0+75
DITCHED PERENNIAL STREAM IMPACT 3 PROFILE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5'
9.9;
)ITCHED PERENNIAL STREAM AND RPW IMPACT LEGEND:
TEMPORARY DITCHED PERENNIAL STREAM - PINK
_ TEMPORARY RELATIVELY PERMANENT WATERS - RED
LEGEND
DITCHED PERENNIAL STREAM
- — — — — RELATIVELY PERMANENT WATERS
WETLANDS
'r1.7
EXISTING
20
GROUND
20
42"
PROPOSED 6" DR-18
C900 PVC FORCEMAIN
15
F
15
8" PVC
@ 0.40%
10
10
A
o
N
N
0+00 1+00
RPW IMPACT 1 PROFILE
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'
00
00
0
Z
Z
Contractor will follow the following construction
sequence:
• Contractor shall notify the Brunswick County
Planning Department 48-hours in advance of start
of work during a period of time with no rain in the
forecast.
• Prior to start of work, contractor shall have all
materials and equipment on -site. For utility
crossings with casings, the carrier pipe shall be
installed within the casing pipe prior to any open
cut activities.
• Contractor shall install a temporary coffer dam on
the upstream side of the proposed crossing and
pump water around the open cut area to the
downstream side.
• Contractor shall place the culvert or utility casing
with carrier pipe at elevations shown on the
approved plans and backfill in accordance with
Brunswick County specifications.
• Contractor shall restore channel and stabilize any
disturbance within 24-hours of start of work.
• Contractor shall restore wetland areas with
temporary impact or permanent conversion to
impact to pre -construction contours, and plant an
appropriate wetland or riparian seed mix.
15Know when below.
. Call before you dig.
<Wz0
a .v.
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LL
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0
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312012023
DRAWN BY
331
DESIGNED SY
331
CHECKED BY
805
SCALE
AS SHOWN
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QU
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W=
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Lr z
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47274
SHEET NO.
CWI-1.6

0
m E
S N U
WETLAND IMPACT 1
WETLAND IMPACT 2
~ "1E Q W C Z
cl E
'
\1/ 1 \b ` N/ \1/ \b�
WETLAND IMPACT LEGEND:
�LLEE
a °
PERMANENT WETLANDS - LIGHT GREEN
\ \1/ \ r \L
\L ` 11,17/
TEMPORARY WETLANDS -YELLOW
o 3 o
0
32� /
`�
) \L <1/ I \!r \1/ \1/\ �\1/ \
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\
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_
I CA •
o
WETLANDS IMPACT 1
PERMANENTFOR �r
WETLANDS IMPACT 2
PERMANENT FOR
PROPOSED ROADWAY FILL
LEGEND
PROPOSED GRADING
(603.85 SF/0.0139 AC)
42
(33\835 SFY0.0078 AC) W
33
PROPERTY LINE
o
DITCHED PERENNIAL STREAM
j
— --= PERENNIAL STREAM
— — — — — — - RELATIVELY PERMANENT WATERS
�L �L WETLANDS
a
�
SCALE 1 "=50'
SCALE 1 "=50'
o
0
DATE
312012023
0 50' 100'
0 50' 100'
(h
co
0
Q
?
o
D-N 8Y
Z
331
Contractor will follow the following construction
•
•
DESIGNED BY
331
sequence:
• Contractor shall notify the Brunswick County
CHECKEDBY
S05
SCALE
Planning Department 48-hours in advance of start
•
AS SHOWN
WETLAND IMPACT 3
WETLAND I M PACT 4
of work during a period of time with no rain in the
•
85 J \ \) o / ti / ,`/ \1/
4/ \1, \1/ `1
forecast.
Prior to start of work, contractor shall have all
/
j
materials and equipment on -site. For utility
IL
qj \t'
\4/ \1/
crossings with casings, the carrier pipe shall be
i /\1/� / y'i/�(1' `1/
`�/
/ \ . I' �1' I
installed within the casing pipe prior to any open
cut activities.
94 /• \1/ / WETLANDS IMPACT 3
TEMPORARY FOR\L
I\ \ ' I �' /.A' ,�'
l �l/ \L/
Contractor shall install a temporary coffer dam on
the upstream side of the proposed crossing and
O
>�
RETAINING WALL
INSTALLATION
/ \� / \1/ l 14i \ \1/ \j/ \,4/ 4/f /
/
pump water around the open cut area to the
>
z
Q
\41/ J (761.01 SF/0.0175 AC)
WETLANDS IMPACT 4
I / TEMPORARY FOR / —
downstream side.
0 z
0 0
\ n�0 /"I/ /� V j�i/9
\ / \1/ -� / � RETAINING WALL / / /
/ INSTALLATION ^
• Contractor shall place the culvert or utility casing
the
LU u
W
O
~
/ / /`
/ \1/ \ \1/ I \1/ \1/ \1/ / \1/ \1/
/ �'��� _
�/ W (538.74 SF/0.0124 AC) 4 \1//
`� l /
with carrier pipe at elevations shown on
approved plans and backfill in accordance with
o
/
Brunswick County specifications.
/ \1\i/ \i/ \1/ \i/ xi/ \i/ _
a
rL \1/ )1/ \1/ \1/ �\1i \1/\
/ \�/ \1/
Contractor shall restore channel and stabilize any
o
0 Y
0
disturbance within 24-hours o start o work.
f f
Contractor shall restore wetland areas with
d �
=
o
/ '"
,/!��
temporary impact or permanent conversion to
Z
m
Q
/
\1// \1/ / \k \1/ �1/
J
impact to pre -construction contours, and plant an
0
w
SCALE 1 "=50'
SCALE 1 "=50'
appropriate wetland or riparian seed mix.
0
0 50' 160'
0 50' 160'
Know what's below.
Callbefore you dig.
47274
SHEET NO.
CWI-1.7

35
35
PERENNIAL STREAM IMPACT 1 AND WETLAND IMPACT 5
SCALE 1 "=50'
7'Hx10'W REINFORCED
L= \ u� CONCRETE BOX CULVERT 8\
\ _ i
--27
W
WETLANDS IMPACT 5A -4-
PERMANENTFOR
/ PROPOSED ROADWAY FILL
(7,586.14 SF/0.1742 AC)
Ir,
HEADWALL 3B
WETLANDS IMPACT 5C
PERMANENT FOR,,
PROPOSED CLASSI
OUTLET PROTECTION
(304.10 SF/0; 0070 AC)
PERENNIAL STREAM IMPACT 1C
\l�
PERMANENT - NO LOSS
FOR CLASS I OUTLET
PROTECTION
(45.00 LF/473.34 SF/0.0109 AC)
Ali U.
PROPOSED
GRADE
30
30
EXISTING
25
GROUND 25
PROPOSED
7'Hx10'W BOX
CULVERT
20
20
-0+50 0+00 1+00
HEADWALL 3A PROFILE
HORIZ SCALE: 1"=50'
VERT SCALE: 1"=5'
0 50
PROFILE SCALE
/ HEADWALL 3A I
PERENNIAL STREAM IMPACT 1A
PERMANENT FOR PROPOSED
ROADWAY FILL ,
(62.35 LF/592.66 SF/0.0136 AC)
— FMB
L
`I/ �4 WETLANDS IMPACT 5B
x I� \ I PERMANENT FOR PROPOSED
ROADWAY FILL
(2,153.91 SF/0.0494 AC)
PERENNIAL STREAM IMPACT 1B '
PERMANENT FOR HEADWALL INSTALLATION
AND CLASS I OUTLET PROTECTION
(5.00 LF/45.92 SF/0.0011 AC)
WETLANDS IMPACT 5D
PERMANENT FOR CLASS
f OUTLET PROTECTION
(446.11 SF/0.0102 AC)
PROPOSED
GRADE
30
16.3" 30
25
25
PROPOSE
v
EXISTING
7'Hx10'W BOX
CULVERT
GROUND
20
20
rn
N�
N
u
-0+50 0+00 1+00
HEADWALL 3B PROFILE
HORIZ SCALE: 1 "=50'
VERT SCALE: 1 "=5'
co
00
0
Q
Z
0 50
PROFILE SCALE
PROPOSED
GRADE
14"
62LF@0.30%
30
30
EXISTING
r5'PERMANENT
GROUND
PROPOSED
7'Hx1 BOX
IMPACT
CULVERT
FOR CLASS 1 OUTLET PROTECTION
25
25
20
45' PERMANENT - NO LOSS
IMPACT FOR CLASS 1 OUTLET
20
PROTECTION KEYED INTO
EXISTING GROUND
MIN. OF THE CULVERT DIAMETER BELO
N DITCH
ELEVATION FILL WITH EXCAVATED NATURAL
BED MATERIAL
15
15
O
O
N O
-0+50 0+00 1+00 1+50
PERENNIAL STREAM IMPACT 1 PROFILE
HORIZ SCALE: 1"=50'
VERT SCALE: 1 "=5'
Contractor will follow the following construction sequence:
• Contractor shall notify the Brunswick County Planning Department 48-hours in advance of start
of work during a period of time with no rain in the forecast.
• Prior to start of work, contractor shall have all materials and equipment on -site. For utility
crossings with casings, the carrier pipe shall be installed within the casing pipe prior to any
open cut activities.
• Contractor shall install a temporary coffer dam on the upstream side of the proposed crossing
and pump water around the open cut area to the downstream side.
• Contractor shall place the culvert or utility casing with carrier pipe at elevations shown on the
approved plans and backfill in accordance with Brunswick County specifications.
• Contractor shall restore channel and stabilize any disturbance within 24-hours of start of work.
• Contractor shall restore wetland areas with temporary impact or permanent conversion to
impact to pre -construction contours, and plant an appropriate wetland or riparian seed mix.
IN
WETLAND & PERENNIAL STREAM IMPACT LEGEND:
® PERMANENT WETLANDS - LIGHT GREEN
PERMANENT PERENNIAL STREAM - ORANGE
"ME" PERMANENT PERENNIAL STREAM - NO LOSS - DARK GREEN
LEGEND
0 50 PROPERTY LINE
PROFILE SCALE — — PERENNIAL STREAM
WETLANDS ,
Q MARK (AORHW HIGH-WATER
Know what's below.
Call before you dig.
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DATE
312012023
DRAWN BY
331
DESIGNED BY
331
CHECKED BY
805
SCALE
AS SHOWN
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W=
0
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OB NO.
47274
CWI-1.8

Table 6.10a
Table 6.1 Oa Temporary Seeding Specifications for Summer
P rY 9 P
Table 6.1 Oa Temporary Seeding Specifications for Fall
O
Do
Z 6
Temporary Seeding Specifications
Seeding Mixture Spades Rate (lb/acre)
o LL y C,
for Winter and Early Spring
Seeding Mixture Spades Rate (lb/acre)
Rye Grain
o
German Millet 15
30
a
w z E 3
Seeding Mixture Spades Rate (lb/acre)
In the Piedmont and Mountains, asmall-stemmed sundangrass may
a O 3 3
�
Rye Grain 30
In the Piedmont and Mountains, be substituted at a rate of 50lb/acre.
z
be substituted at a rate of 501b/acre.
3
Seeding Dates
o 3 o
0
Seeding Dates
Seeding Dates
LID 'S
Mountains 15-Aug to 15-Dec
=
U
Mountains >2500 ft. 15-Feb to 15-May
Mountains 15-Ma y to 15-Au g
Coastal Plain and 15-Aug to 30-Dec
~ o
In
<2500 ft. 1-Feb to 1-May
Piedmont 1-May to 15-Aug
Piedmont
z
Piedmont 1-Jan to 1-May
Coastal Plain 15-Apr to 15-Aug
o
Coastal Plain 1-Dec to 15-Apr
Soil Amendments
w
Follow recommendations of soil tests or apply 2 ton/acre ground
Soil Amendments
Soil Amendments agricultural limestone and 750 lb/acre 10-10-10 fertilizer
Follow recommendations of soil tests or apply 2 ton/acre ground
Follow recommendations of soil tests or apply 2 ton/acre ground
o
agricultural limestone and 750 lb/acre 10-10-10 fertilizer
Mulch
agricultural limestone and 750 lb/acre 10-10-10 fertilizer
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,
61
Mulch
Mulch
netting or a mulch anchoring tool. Use 400 gallons of tack per acre
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,
Apply 4,000 lb/acre straw. Anchor straw by tacking with asphalt,
or straw covered with pinned netting.
P g
o
netting or a mulch anchoring tool. Use 400 gallons of tack per acre
netting or a mulch anchoring tool. Use 400 gallons of tack per acre Or straw covered with pinned netting. Maintenance
w
or straw covered with pinned netting.
Repair and refertilize damaged areas immediately. Topdress with
Maintenance
Maintenance
Refertilize if growth is not fully adequate. Reseed, refertilize and
50lb/acre of nitrogen in March. If it is necessary to extent
o
Refertilize if growth is not fully adequate. Reseed, refertilize and
mulch immediately following erosion or damage.
temporary cover beyond June 15, overseed with 501b/acre Kobe
DATE
mulch immediately following erosion or damage.
(Piedmont and Coastal Plain)0
3/20/2023
late February or early March
DRAWN BY
331
PERMANENT SEED MIX ERNST CONSERVATION SEEDS
NC COASTAL PLAIN FACW MIX OR APPROVED EQUAL BY
DESIGNED BY
DESIGNER APPLICATION RATE 20 LBS/AC. TO BE PLANTED IN ALL DISTURBED WETLAND AND RIPARIAN AREAS.
•
331
PLASTIC NETTING SHOULD NOT BE USED WITHIN WETLANDS OR STREAMS.
CHECKED BY
805
• •
SCALE
TEMPORARY SEEDING SPECIFICATIONS
•
ASSHOWN
•
SCALE: NOT TO SCALE
•
CL
D
Shrub (recommended)
V /
Pawpaw
Alder
O
Blackberry
APPROVED SEDIMENT FILTERING DEVICE
Elderberry
O <
Z
(SEDIMENT FILTER BAG). PROVIDE ,uarvc BorraM of
POSITIVE DRAINAGE FROM SEDIMENT STREAM DIVERSION PUMP Er"Ca
Livestakes (recommended)
Q O
FILTER BAG TO STREAM. DISCHARGE HOSES
p
BnANILLc OepA
rc BAPPMGA%E $�
��
\.Q
Herb(recommended)
Nodding sedge
Black Willow
Silky Dogwood
< Of
<
INTAKE HOSE
DISCHARGE ONTO �' DEWATERING PUMP
STABLE RIPRAP P
�.
�� ��
�>}\
Bo of G
W001 Grass
Jewelweed
Uj
H
J
;-
PAD TO PREVENT f
'J \``>�
2
SCOUR HOLE STREAMBA NK
�'�/
corvslDeRED NwOR
STREAM CR. INcs
Z
Q
*PLANTINGS PLANTING SCHEDULE
FOR MAJOR
I _
FLOW _
^CLEAN
//s�nw,RToc
8� STREAM BANK
RESTORATIONS
FLOW- SEDIMENT HOSE INTAKE
WATER SUMP -HOLE FOR POOL
\0
*NOTE;S SEE PLANTING SCHEDULE
UNDISTURBED
DST EARTH
p}�
O p
Y
Q
-� DIKE DIKE
(12" TO 18" DEEP, 2-FT DIAMETER)
STAGGER STAKING FOR SPECIES To BE
RE-ESTABLISHED
sBSUNDERMAT T�s cola _
'� —III-
A
z
INTHREE ROWS
*LI
III—
EB III ill f
LL
LA
Q
DARE
NOR
1
ED
OM
wWORKEB
AREA LENGTH NOT TO EXCEED THAT
WHICHCANBE1
NC, ORA
ABon o GR crr RDND
a Aaovr=GRourvDAwRovED Eo°Ay
'TIC
UroTO
PUMP AROUND SEQUENCE
1. SET UP PUMP WITH SUCTIONAND DISCHARGE HOSE.
cuNcs
wE AIu O'lOC1°°eoeoeoe°TEMPORARY
TRMaRANCHEsclose
'°71°° °
uE
aR TOPSOIL2.
AucTI°ate°°Bnc
OLn
INSTALL UP -STREAM SANDBAG DAM.3. INSTALL DOWN -STREAM SANDBAG DAM.
4. THE PUMP MUST RUN CONTINUOUSLY WHILE WORKING IN THE STREAM.
I sOIL LIFT
17-r ouMETEa
° POLYETHYLENE
°°°`°'°I
FILM
5. STREAMBANKS MUST BE STABILIZED AT THE END OF EACH DAY.
COBACK,_
PIPE AND FITTINGS TO BE SIZED ACCORDINGLY.
N0 6.MAxE
NOTES:
ArvGLED curnT
BUITHS IBASAL).
_urvDlsru68eD1.
_- -EpRTM
2. PTACE PALLETS AND POLYETHYLENE FILM IN STREAMBED
DOWNSTREAM OF CONSTRUCTION ACTMIY.
1. SANDBAG DIKES SHALL BE SITUATED AT THE UPSTREAM AND DOWNSTREAM ENDS OF THE WORK AREA, AND STREAM FLOW
3. TEMPORARILY ANCHOR PALLETS AND POLYETHYLENE FILM
WITH RIP RAP.
4. TO FPS THROUGH PIPE.
SHALL BE PUMPED AROUND THE WORK AREA. THE PUMP SHOULD DISCHARGE ONTO A STABLE VELOCITY DISSIPATER
CONSTRUCTED OF RIPRAP OR SANDBAGS.
2. WATER FROM THE WORK AREA SHALL BE PUMPED TO A SEDIMENT FILTERING MEASURE SUCH AS A SEDIMENT BAG OR OTHER
APPROVED DEVICE. THE MEASURE SHALL BE LOCATED SUCH THAT THE WATER DRAINS BACK INTO THE CHANNEL BELOW THE
LIVE STAKING MULTIPLE ROW)
SPACING DETAIL FOR MAJOR
FROM
PUMP
REINFORCED SOIL LIFT DETAIL FOR
SLOW DISCHARGE 2 EACH
5, ADD POLYETHYLENE FILM OVER OR UNDER PALLETS.
6. 9V BENDS CAN BE TURNED OUTWARD WITH A LARGER
FOOTPRINT OF PALLETS FOR ADDITIONPL ENERGY
DISSIPATION.
T, REMOVE COMLPETELY PRIOR TO RETURNING FLOW TO
DOWNSTREAM SANDBAG DIKE WITHOUT CAUSING FURTHER EROSION BETWEEN THE SEDIMENT FILTER BAG AND THE STREAMBANK.
STREAM BANK RESTORATIONS
MAJOR STREAM BANK RESTORATIONS
NOT TO SCALE
STREAM.
NOT TO SCALE
TEMPORARY STREAM BYPASS PUMP
-
TEMPORARY PUMP AROUND
DISCHARGE ENERGY DISSIPATOR
30B NO.
T
47274
SHEET NO.
CWI-1.9