Pages 1-22 from ILM Circle K - Proposed Civil Site Plans - 12.11.2020CIVIL ENGINEER:
TIMMONS GROUP
5410 TRINITY ROAD
SUITE 102
RALEIGH, NC 27607
PROJECT MANAGER
BRIAN DOWNS
BRIAN.DOWNS@TIMMONS.COM
PH: (919) 866-4504
ENGINEER OF RECORD
RICK BAKER, PE
RICK.BAKER@TIMMONS.COM
PH: (919) 866-4939
WILMINGTON, NORTH CAROLINA 28405
NEW HANOVER COUNTY
DEVELOPER:
CIRCLE K STORES INC
ANDY PRIOLO
1100 SITUS COURT, SUITE #100
RALEIGH, NC 27606
PH: (919) 566-1714
FAX: (919) 777-5139
NEW HANOVER COUNTY
230 GOVERNMENT CENTER DR
WILMINGTON, NC 28403
OWNER:SURVEYOR:
PARAMOUNTE ENGINEERING, INC
TIM CLINKSCALES, P.E., PLS
122 CINEMA DRIVE
WILMINGTON, NC 28403
PH: (910) 791-6707
TCLINKSCALES@PARAMOUNTE-ENG.COM
ARCHITECT:
CIRCLE K - NTI AIRPORT BLVD WILMINGTON - NC.115
CIVIL SITE PLANS:
TBD
VICINITY MAP
NTS
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09/02/2020
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GENERAL NOTES:
1.IT SHALL BE UNLAWFUL FOR ANY PERSON TO MAKE ANY EXCAVATION OR DO ANY OTHER WORK WHICH MAY
CAUSE A DANGEROUS CONDITION IN OR ON ANY STREET, ALLEY, SIDEWALK, PUBLIC WAY OR PUBLIC PLACE
IN THE CITY, UNLESS A WRITTEN PERMIT IS FIRST OBTAINED FROM AN OFFICER OF THE CITY VESTED WITH
AUTHORITY TO GRANT THE SAME. NO PERMIT SHALL BE ISSUED IN ANY CASE WHERE A BOND IS REQUIRED,
UNTIL A BOND SHALL HAVE BEEN EXECUTED.
2.ALL CONTRACTORS SHALL VISIT THE PROJECT TO FAMILIARIZE THEMSELVES WITH SITE CONDITIONS PRIOR
TO BIDDING OR CONSTRUCTION. BY SUBMITTING A BID, THE CONTRACTOR AND HIS SUBCONTRACTORS ARE
CONFIRMING THAT THEY HAVE VISITED THE SITE AND HAVE INCLUDED IN THEIR BID ANY ADDITIONAL ITEMS
OF CONSTRUCTION THAT MAY BE REQUIRED DUE TO EXISTING SITE CONDITIONS.
3.CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE SCOPE OF WORK BREAKDOWN FOR THE
PRIMARY WORK ON EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
4.SOME OF THE UTILITIES WITHIN THE PROJECT LIMITS ARE CRITICAL INFRASTRUCTURE FOR THE AIRPORT.
SPECIAL ATTENTION MUST BE GIVEN BEFORE ANY INTERRUPTIONS.
AIRPORT BLVD
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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SITE PLAN SUMMARY
PROJECT:CIRCLE K - NTI - AIRPORT BLVD WILMINGTON - NC.115
OWNER:NEW HANOVER COUNTY
PROJECT ADDRESS:1620 AIRPORT BLVD, WILMINGTON, NC 28405
PID:R04200-001-025-F00
JURISDICTION:NEW HANOVER COUNTY
ZONING:AC (AIRPORT COMMERCE)
EXISTING USE:VACANT
PROPOSED USE:CONVENIENCE STORE W/ GAS SALES
FLOOD ZONE:NOT LOCATED IN FLOOD HAZARDS AREA PER FEMA MAP #3720312900K
(EFFECTIVE 08/28/2018)
PROPOSED TRACT
AREA:2.13 AC (92,834.78 SF)
DISTURBED AREA:10.00 AC (435,600 SF)
EXISTING IMPERVIOUS
SURFACE AREA:91.5 SF (0.10%)
PROPOSED
IMPERVIOUS SURFACE
AREA:
69,896 SF
PROPOSED %
IMPERVIOUS 75%
TYPE OF BUILDING
CONSTRUCTION:CONVENIENCE STORE: V-B (NON-SPRINKLERED)
TYPE OF CANOPY
CONSTRUCTION:II-B
PROPOSED
CONVENIENCE
BUILDING SQUARE
FOOTAGE:
5,200 SF
PROPOSED
CONVENIENCE
BUILDING HEIGHT:
23'-0"
VEHICLE PARKING
SUMMARY: REQUIRED
CONVENIENCE STORES W/ GAS SALES: 1 SPACE PER 400 SQUARE FEET OF GFA =
5,200 SF / 400 SF = 13 SPACES REQUIRED;
TOTAL = 13 SPACES (1 MUST BE ADA SPACES)
VEHICLE PARKING
SUMMARY: PROVIDED
23 PARKING SPACES
2 ADA SPACES (1 IS VAN ACCESSIBLE)
TOTAL: 25 SPACES
Sheet List Table
Sheet Number Sheet Title
C0.0 COVER SHEET
C1.0 EXISTING CONDITIONS PLAN
C1.1 EXISTING CONDITIONS PLAN
C1.2 DEMOLITION PLAN
C1.3 DEMOLITION PLAN
C2.0 SITE LAYOUT PLAN
C2.1 PAVING PLAN
C2.2 VEHICULAR ROUTING PLAN
C3.0 GRADING AND DRAINAGE PLAN
C3.1 GRADING AND DRAINAGE PLAN
C3.2 SPOT GRADING PLAN
C3.3 PRIVATE STREET 1 - PLAN AND PROFILE
C3.4 PRIVATE STREET 2 - PLAN AND PROFILE
C3.5 PHASE IIIA DRY POND - PLAN AND PROFILE
C3.6 PHASE IIIA DRY POND - DETAILS
C3.7 PHASE IIIB DRY POND - PLAN AND PROFILE
C3.8 PHASE IIIB DRY POND - DETAILS
C3.9 SCM DETAILS
C4.0 EROSION CONTROL PLAN - PHASE I
C4.1 EROSION CONTROL PLAN - PHASE I
C4.2 EROSION CONTROL PLAN - PHASE II
C4.3 EROSION CONTROL PLAN - PHASE II
C4.4 NPDES PLAN
C4.5 NPDES PLAN
C4.6 NPDES NOTES AND DETAILS
C5.0 UTILITY PLAN
C5.1 UTILITY PLAN
C5.2 SANITARY SEWER PLAN AND PROFILE
C5.3 WATER MAIN PLAN AND PROFILE
C6.0 LANDSCAPE PLAN
C6.1 LANDSCAPE PLAN
C7.0 NOTES AND DETAILS
C7.1 NOTES AND DETAILS
C7.2 NOTES AND DETAILS
C7.3 NOTES AND DETAILS
C7.4 NOTES AND DETAILS
C7.5 NOTES AND DETAILS
C7.6 NOTES AND DETAILS
C7.7 NOTES AND DETAILS
C7.8 NOTES AND DETAILS
L1.0 SITE LIGHTING PLAN
L1.1 SITE LIGHTING DETAILS
IR-1 IRRIGATION PLAN
IR-2 IRRIGATION DETAILS
24" R
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1
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W
W
S
A
N
S
A
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A
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A
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W
W
W
W
W
W
W
W
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F
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W W W W W W W W W
TRAFFIC
SIGNAL
TRAFFIC
CONTROL BOX
EDGE O
F
P
A
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M
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N
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EDGE O
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P
A
V
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M
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N
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EDGE OF PAVEME
N
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EDGE
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CURB
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EDGE
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EDGE OF PAVEMENT
POWER VAULT
EL METER BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
SIGNAL
PAR#R04100-006-001-000
CROWN BOX CORP
DB 1222, PG 1530
ZONED-A-I
PAR#R04200-001-025-000
NEW HAN CNTY
DB 817, PG 868 ZONED-AC
O
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UGP
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UGP
UGP
UGP
UGP
UGP UGP UGP UGP UGP
UGT
UGT
UGT
UGT
UGT
UGT
UGT
UGT UGT UGT UGT UGT UGT
IRRIGATION WELL
AND CONTROL BOX
WATER VAULT
FENCE
FENCE
TREELINE
TREELINE
T
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D
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RIM=23.44
EL METER BOX
X
X
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TRAFFIC BOX
AND
FO MARKER
UGT
UG
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INV=16.92
INV=13.97
INV=13.57
INV=16.52
N
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NCDOT PLANS
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273.3
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'
S80°48'47"W
279.76'
S88°50'44"W
1540.88'
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
TEST HOLE #10
(UNDERGROUND
POWER LINE)
GND: 20.17
ELE: 15.31 (TOP OF UGP)
TEST HOLE #5
(UNDERGROUND
TELEPHONE)
GND: 24.26
ELE: 23.11 (TOP OF UGT)
TEST HOLE #1
(WATERLINE)
GND: 25.53
ELE: 22.62 (TOP OF WATERLINE)
TEST HOLE #2 1.5' WIDE
(UNDERGROUND POWER LNE)
SQUARE IN SHAPE
GND: 25.41
ELE: 24.15 (TOP OF UGP)
TEST HOLE #3
(UNDERGROUND
TELEPHONE)
GND: 25.68
ELE: 23.10 (TOP
OF UGT)
TEST HOLE #4
(UNDERGROUND
TELEPHONE)
GND: 25.58
ELE: 24.28 (TOP
OF UGT)
CE01
CE02
SURVEY NOTES
1.ON SITE BOUNDARY, TOPOGRAPHY AND PLANIMETRIC INFORMATION IS
TAKEN FROM A SURVEY BY PARAMOUNTE ENGINEERING, INC DATED
11/20/2019. OFFSITE TOPOGRAPHY AND PLANIMETRIC INFORMATION FROM
OTHER SOURCES AND HAS NOT BEEN FIELD VERIFIED BY TIMMONS GROUP.
2.ALL DISTANCES SHOWN ON SURVEY ARE HORIZONTAL GROUND DISTANCES
UNLESS OTHERWISE NOTED.
3.THIS SURVEY DOES NOT REPRESENT A TITLE SEARCH BY THIS FIRM.
4.BASIS OF BEARING SHOWN HEREON IS NC GRID NAD 83 (NSRS 2007).
5.VERTICAL DATUM SHOWN HEREON IS NAVD88.
6.NOT LOCATED IN FLOOD HAZARD AREA PER FEMA MAP #3720312900K
(EFFECTIVE 08/28/2018).
7.EXISTING IMPERVIOUS AREA = 0.01 ACRES
8.THE UTILITIES ON THESE PLANS ARE APPROXIMATE ONLY, AND ARE NOT
ACCURATE FOR CONSTRUCTION PURPOSES. FOR FIELD MARKS CALL
1-800-632-4949.
EXISTING CONDITIONS PLAN KEYNOTES
NUMBER DESCRIPTION
CE01
TEMPORARY BENCHMARK #1
IRON ROD
N = 190,125.11'
E = 2,326,176.26'
ELEV. = 25.38'
CE02
TEMPORARY BENCHMARK #2
IRON ROD
N = 190,169.26'
E = 2,326,612.71'
ELEV. = 24.30'
WETLAND NOTES
1.WETLANDS DELINEATION PER MAP TITLED “WETLANDS LOCATION SURVEY
WILMINGTON INTERNATIONAL AIRPORT 500 +/- ACRE WETLAND DELINEATION”
BY MCKIM & CREED DATED 11-30-2010. USACE JURISDICTIONAL
DETERMINATION LETTER DATED 1/31/2020.
SPRINKLER VALVE
HVAC - HEATING, VENTILATION ANDAIR CONDITIONING
LEGEND
GAS VALVE
FENCE
EDGE OF TREELINE
PAINTED WATER LINE
PAINTED TELEPHONE LINE
GUY
CABLE TV PEDESTAL
CMF - CONCRETE MONUMENT
IPS - IRON PIPE SET
IRF - IRON ROD FOUND
IPF - IRON PIPE FOUND
TELEPHONE PEDESTAL
FIRE HYDRANT
LIGHT POLE
POWER POLE
ELECTRIC BOX
PG - PAGE
SF - SQUARE FEET
GV - GAS VALVE
YI - YARD INLET
GI - GRATE INLET
CB - CATCH BASIN
NTS - NOT TO SCALE
R / W - RIGHT-OF-WAY
C / L - CENTERLINE
P / L - PROPERTY LINE
CI - CURB INLET
PB - PLAT BOOK
DB - DEED BOOK
EP - EDGE OF PAVING
X X
OHP
W
UGT
CMP - CORRUGATED METAL PIPE
VCP - VITRIFIED CLAY PIPE
RCP - REINFORCED CONCRETE PIPE
HDPE - HIGH DENSITY POLYETHYLENE PIPE
SPRINKLER HEAD
SIGN
TBC - TOP BACK OF CURB
FLAG POLE
GROUND LAMP
STORM LINE
SANITARY LINESAN
OVERHEAD POWER LINE
DIP - DUCTILE IRON PIPE
MH TELEPHONE
MH SANITARY
MH DRAINAGE
BOLLARD
SPRINKLER BOX
WATER VALVE
FUEL LID
CLEAN OUT
WATER METER
ELECTRIC METER
MH WATER
YARD LIGHT
S
W
D
E
T
C
MH ELECTRIC
PAINTED POWER LINEUGP
PAINTED GAS LINEG
ROOF DRAIN
AC UNIT
MAILBOX
DEED LINE
LINE NOT SURVEYED
BOREHOLE
BACKFLOW PREVENTERBFP
WATER VAULTVW
TELEPHONE VAULT
WELLW
MONITORING WELL
LSA -LANDSCAPED AREA
MKF - FIBER OPTIC MARKER
SIGP - SIGNAL POLE
TRAFFIC CONTROL BOX
TVP - TELEVISION PEDESTAL
UTILITY VAULT
FES - FLARED END SECTION
MKG - GAS MARKER
PKF - P/K NAIL FOUND
WATER SPIGOT
RSF - RAILROAD SPIKE FOUND
CP - COMPUTED EASEMENT POINT
CSF - COTTON SPINDLE FOUND
POWER VAULT
VU
GAS TEST LOCATION
WF - WETLAND FLAG
TREE
HANDICAP PARKING
STORM INLET
HC
PKS - P/K NAIL SET
AMF - ALUMINUM MONUMENT FOUND
SHRUB, BUSHOR SAPLING
CONC - CONCRETE
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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NA
D
8
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SCALE 1"=40'
80'40'
32
32
31
31
30
30
30
29
29
2
9
29
28
28
28
28
28
28
28
2
8
27
27 27
27
27
27
27
2
7
2
7
27
27
27
26
26
26
26
26
26
2
6
26
2
6
26
2
6
2
6
2
6
26
26
26 26
26
26
26 26
26
26
2
6
26
2
6
2
5
25
2
5
25
25
25
25
25
2
5
25
2
5
25
25
25
25
25252525
2
5
25 25 25 25 25
25 25
25
25
25
2525
252525
25
2525
25
24
2
4
24
24
24
2424
24 24
24 24 24 24 24
242424
242424
2
4
2
4
24
24
24
24
2
4
2
4
24
24
2
4
24
24
24
24 24
24 24 2
4 24
24
24
2424
242424
24
24
24
24
2424
24242424
24
24
24
24
24
24
24
24
24
24
2424
2
4
24
24
24
23
23 23
2323
23
23
23 23 23 23
23
2
3 23
23
23
2
3
2
3
23
23
2
3
2
3
23
2
3
2
3
2
3
23
23
2
3
23
2323
23
23
23
23
23
2
3
23
23
23
2323
23
23
23
23
23
2
3
23
23
23
23
23
2
3
23
23
23
23
23
23
23
2
3
2
3
23
23
22
22
22
22
22
22
22
22
22
2
2
22
22
22
2
2
22
22
22
22
22
2
2
2
2
22
22
22
22
22
22
22
22
22
22
22
22
22
2
2
22
2
2
22
22
22 22
22
22
22
22
2
2
2
2
21
21
2121
21
21
21
2
1
21
2
1
21
2
1
21
2
1
21
21
2
1
2
1
21
2
1
2
1
21
21
21
21
21
21
2
1
2
1
21
21
2
1
2
0
2
0
2020
20
20
20
2
0
2
0
2
0
20
20
20
20
20
20
20
2
0
20
2020
2
0
20
20
2
0
20
20
2
0
2
0
2
0
20
2
0
20
2
0
2
0
20
20
1
9
1
9
1
9
19
19
19
19
19
1
9
1
9
19
19
19
19
19
1
9
1
9
1
9
1
9
1
9
19
19
1
9
1
9
1
9
18
18
18
1
8
18
1
8
1
8
18
18
1
8
18
18
1
8
18
1
8
1
8
1
8
1
8
1
8
1
8
17
1
7
17
1
7
1
7
17
17
1
7
1
7
17
1
7
1
7
16
16
16
1
6
16
16
1
6
16
1
61
6
1
6
1
5
15
1
5
1
5
15
1
5
1
5
1
4
1
4
13
W
W
W
W
W
W
W
W
W
W
W
W
W
W
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SANSANSANSANSANSANSAN
SA
N
SA
N
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SA
N
SA
N
SA
N
SA
N
W W W W W W W W W W W W W W W
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
PAVE
M
E
N
T
P
A
V
E
M
E
N
T
POWER VAULT
POWER VAULT
POWER VAULT
GRAV
E
L
GRAVEL
PAVEMENT
CONC.CONC.
ABANDONED
LIFT STATION
ABANDONED
LIFT STATION
POWER VAULT
RIPRAP
WETLANDS
5,968± SQ. FT.
0.14± AC.
PAR#R04200-001-025-000
NEW HAN CNTY
DB 817, PG 868 ZONED-AC
UGP
UGT UGT
UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP
UGT UGT UGT UGT
UGT UGT UGT UGT UGT UGT UGT UGT UGT
1
2
"
V
C
P
1
2
"
V
C
P
12
"
V
C
P
12" VCP
SA
N
SA
N
1
0
"
P
V
C
12" VCP
8"
P
V
C
FENCE
FENCE
TREELIN
E
TREELIN
E
TR
E
E
L
I
N
E
TREE
L
I
N
E
SW
A
L
E
SMH
RIM=24.52
INV(N)=8.05
INV(E)=7.85
INV(W)=7.78
SMH
RIM=24.24
INV(E)=6.64
INV(W)=6.78
SMH
RIM=23.10
INV(NW)=4.40
INV(SE)=4.37
36
"
R
C
P
1
5
"
R
C
P
1
5
"
R
C
P
1
8
"
R
C
P
24" RCP
24
"
R
C
P
X
X
X
X
X
SMH
RIM=23.97
INV(NW)=3.40
INV(SW)=3.34
DI
T
C
H
DI
T
C
H
24" RCP
INV=19.05
DI
RIM=21.77
INV(N)=19.46
INV(S)=19.47
INV=20.30
INV=21.18
DI
RIM=21.59
INV(N)=13.27
INV(S)=13.04
INV=19.14INV=18.94
INV=16.58
INV=15.90
INV=19.40
INV=16.81
END UNKNOWN
WETLANDS
1,836± SQ. FT.
0.04± AC.
WETLAND
1,174± SQ. FT.
0.03± AC.
WETLAND
1,102± SQ. FT.
0.03± AC.
G G G G G G G G G G G G G G G G
GAS LINE DRAWN FROM
NCDOT PLANS GAS LINE DRAWN FROM
NCDOT PLANS
R/W LINE
(NCDOT PROJECT # 4.6030092)
X
X
X
INV=14.72
15" DIP
END UNKNOWN
INV=12.50
DIT
C
H
INTERMITTENT
STREAM
WETLAND
447± SQ. FT.
0.01± AC.
FE
N
C
E
FM
FM
FM
8
"
W
A
T
E
R
L
I
N
E
36
"
R
C
P
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
SMH
RIM=24.08
INV(N)=9.66
INV(E)=5.52
INV(SE)=5.45
INTERMITTENT
STREAM BUFFER
RELATIVELY PERMANENT
WATER
1,698± SQ. FT.
0.04± AC.
RELATIVELY PERMANENT
WATER
2,108± SQ. FT.
0.05± AC.
TEST HOLE #6
(WATERLINE)
COULDN'T LOCATE
ANYTHING
GND: 22.21
ELE: 19.15
TEST HOLE #7 (WATER / GAS LINE)
COULDN'T LOCATE ANYTHING
GND: 22.05
ELE: 17.98
TEST HOLE #8 1.5' WIDE
(UNDERGROUND
POWER LINE)
SQUARE IN SHAPE
GND: 21.92
ELE: 19.37 (TOP OF UGP)
TEST HOLE #9
(UNDERGROUND
TELEPHONE)
GND: 21.56
ELE: 19.25 (TOP OF UGT)
TEST HOLE #9B
(UNDERGROUND
TELEPHONE)
GND: 21.64
ELE: 20.04 (TOP OF UGT)
SURVEY NOTES
1.ON SITE BOUNDARY, TOPOGRAPHY AND PLANIMETRIC INFORMATION IS
TAKEN FROM A SURVEY BY PARAMOUNTE ENGINEERING, INC DATED
11/20/2019. OFFSITE TOPOGRAPHY AND PLANIMETRIC INFORMATION FROM
OTHER SOURCES AND HAS NOT BEEN FIELD VERIFIED BY TIMMONS GROUP.
2.ALL DISTANCES SHOWN ON SURVEY ARE HORIZONTAL GROUND DISTANCES
UNLESS OTHERWISE NOTED.
3.THIS SURVEY DOES NOT REPRESENT A TITLE SEARCH BY THIS FIRM.
4.BASIS OF BEARING SHOWN HEREON IS NC GRID NAD 83 (NSRS 2007).
5.VERTICAL DATUM SHOWN HEREON IS NAVD88.
6.NOT LOCATED IN FLOOD HAZARD AREA PER FEMA MAP #3720312900K
(EFFECTIVE 08/28/2018).
7.EXISTING IMPERVIOUS AREA = 0.01 ACRES
8.THE UTILITIES ON THESE PLANS ARE APPROXIMATE ONLY, AND ARE NOT
ACCURATE FOR CONSTRUCTION PURPOSES. FOR FIELD MARKS CALL
1-800-632-4949.
EXISTING CONDITIONS PLAN KEYNOTES
NUMBER DESCRIPTION
CE01
TEMPORARY BENCHMARK #1
IRON ROD
N = 190,125.11'
E = 2,326,176.26'
ELEV. = 25.38'
CE02
TEMPORARY BENCHMARK #2
IRON ROD
N = 190,169.26'
E = 2,326,612.71'
ELEV. = 24.30'
WETLAND NOTES
1.WETLANDS DELINEATION PER MAP TITLED “WETLANDS LOCATION SURVEY
WILMINGTON INTERNATIONAL AIRPORT 500 +/- ACRE WETLAND DELINEATION”
BY MCKIM & CREED DATED 11-30-2010. USACE JURISDICTIONAL
DETERMINATION LETTER DATED 1/31/2020.
SPRINKLER VALVE
HVAC - HEATING, VENTILATION ANDAIR CONDITIONING
LEGEND
GAS VALVE
FENCE
EDGE OF TREELINE
PAINTED WATER LINE
PAINTED TELEPHONE LINE
GUY
CABLE TV PEDESTAL
CMF - CONCRETE MONUMENT
IPS - IRON PIPE SET
IRF - IRON ROD FOUND
IPF - IRON PIPE FOUND
TELEPHONE PEDESTAL
FIRE HYDRANT
LIGHT POLE
POWER POLE
ELECTRIC BOX
PG - PAGE
SF - SQUARE FEET
GV - GAS VALVE
YI - YARD INLET
GI - GRATE INLET
CB - CATCH BASIN
NTS - NOT TO SCALE
R / W - RIGHT-OF-WAY
C / L - CENTERLINE
P / L - PROPERTY LINE
CI - CURB INLET
PB - PLAT BOOK
DB - DEED BOOK
EP - EDGE OF PAVING
X X
OHP
W
UGT
CMP - CORRUGATED METAL PIPE
VCP - VITRIFIED CLAY PIPE
RCP - REINFORCED CONCRETE PIPE
HDPE - HIGH DENSITY POLYETHYLENE PIPE
SPRINKLER HEAD
SIGN
TBC - TOP BACK OF CURB
FLAG POLE
GROUND LAMP
STORM LINE
SANITARY LINESAN
OVERHEAD POWER LINE
DIP - DUCTILE IRON PIPE
MH TELEPHONE
MH SANITARY
MH DRAINAGE
BOLLARD
SPRINKLER BOX
WATER VALVE
FUEL LID
CLEAN OUT
WATER METER
ELECTRIC METER
MH WATER
YARD LIGHT
S
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C
MH ELECTRIC
PAINTED POWER LINEUGP
PAINTED GAS LINEG
ROOF DRAIN
AC UNIT
MAILBOX
DEED LINE
LINE NOT SURVEYED
BOREHOLE
BACKFLOW PREVENTERBFP
WATER VAULTVW
TELEPHONE VAULT
WELLW
MONITORING WELL
LSA -LANDSCAPED AREA
MKF - FIBER OPTIC MARKER
SIGP - SIGNAL POLE
TRAFFIC CONTROL BOX
TVP - TELEVISION PEDESTAL
UTILITY VAULT
FES - FLARED END SECTION
MKG - GAS MARKER
PKF - P/K NAIL FOUND
WATER SPIGOT
RSF - RAILROAD SPIKE FOUND
CP - COMPUTED EASEMENT POINT
CSF - COTTON SPINDLE FOUND
POWER VAULT
VU
GAS TEST LOCATION
WF - WETLAND FLAG
TREE
HANDICAP PARKING
STORM INLET
HC
PKS - P/K NAIL SET
AMF - ALUMINUM MONUMENT FOUND
SHRUB, BUSHOR SAPLING
CONC - CONCRETE
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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A. MAY
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R. BAKER
09/02/2020
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SCALE 1"=40'
80'40'
24" R
C
P
28
28
28 28
28
28
28
28
28
27
27
27
27
27
27
27
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2727
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2
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6
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26
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25 25
2
5
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25
25
2525
25
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5
25
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25
25
25
2525
25
25
25
25
25
25
25
25
25
25
25
25
25
25
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25
25
25
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25
25
24
24
24
24
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24
24
24
24
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24
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24
24
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4
24
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2
4
24
24
24
2
4
24
24
24
24
24
24
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4
2
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24
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24
24
24
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24
24
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2
3
23
2
3
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2
3
2
3
2
3
23
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3
2
3
2
3
2
3
2
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23 23
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23
23
23
23
23
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23
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23
23
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23
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23
2
3
23
23
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23
23
23
23
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23
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3
23
23
23
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23
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2
2
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22
22
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22
22
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22
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22
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22
22
22
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2
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22
22
22
22
2
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2
1
2
1
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2
1
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1
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21
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21
21
21
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21
21
21
21
21
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2
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21
21
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1
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21
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1
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1
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1
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1
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W
S
A
N
S
A
N
S
A
N
S
A
N
W
W
W
W
W
W
W
W
W
W
W
W
W
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F
M
F
M
F
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F
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F
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F
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F
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F
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F
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F
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F
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TRAFFIC
SIGNAL
TRAFFIC
CONTROL BOX
EDGE O
F
P
A
V
E
M
E
N
T
EDGE O
F
P
A
V
E
M
E
N
T
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&
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A
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T
EDGE OF PAVEMENT
POWER VAULT
EL METER BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
SIGNAL
PAR#R04100-006-001-000
CROWN BOX CORP
DB 1222, PG 1530
ZONED-A-I
PAR#R04200-001-025-000
NEW HAN CNTY
DB 817, PG 868 ZONED-AC
O
H
T
O
H
T
O
H
T
O
H
T
G
G
G
G
G
G
G
G
G
G
G
O
H
P
O
H
P
O
H
P
O
H
P
O
H
P
OH
P
OH
P
O
H
P
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
U
G
P
U
G
P
U
G
P
U
G
P
UG
P
UGP
UG
P
UGP
UGP
UGP
UGP
UGP
UGP
UGP UGP UGP UGP UGP
UGT
UGT
UGT
UGT
UGT
UGT
UGT
UGT UGT UGT UGT UGT UGT
IRRIGATION WELL
AND CONTROL BOX
WATER VAULT
FENCE
FENCE
TREELINE
TREELINE
T
R
E
E
L
I
N
E
T
R
E
E
L
I
N
E
TR
E
E
L
I
N
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TR
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L
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DITCH
DITCH
SWALE
SWALE
DITCH
D
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C
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DI
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C
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D
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H
D
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C
H
D
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C
H
D
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C
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SWAL
E
SMH-FM
RIM=23.44
EL METER BOX
X
X
X
X
X
X
X
TRAFFIC BOX
AND
FO MARKER
UGT
UG
T
U
G
T
U
G
T
U
G
T
U
G
T
INV=16.92
INV=13.97
INV=13.57
INV=16.52
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
24" RC
P
G
G
G
G
G
G
G
G
G
G G G G G G
GAS L
I
N
E
D
R
A
W
N
F
R
O
M
NCDO
T
P
L
A
N
S
GAS LINE DRAWN FROM
NCDOT PLANS
R
/
W
L
I
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E
R
/
W
L
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N
E
R/W L
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(NCD
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6
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POWER VAULT
R/W L
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P
R
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6
0
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)
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
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T
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N
E
W
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A
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O
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C
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Y
R
O
A
D
)
VARIA
B
L
E
W
I
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T
H
R
O
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S
2
3
°
1
0
'
2
2
"
E
2
0
2
.
0
0
'
S
2
9
°
2
0
'
4
4
"
E
8
6
.
3
1
'
S
3
1
°
3
1
'
1
9
"
E
7
0
.
0
0
'
S1
5
°
0
5
'
1
3
"
W
85
.
2
1
'
S59°4
2
'
4
6
"
W
273.3
6
'
S80°48'47"W
279.76'
S88°50'44"W
1540.88'
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
TEST HOLE #10
(UNDERGROUND
POWER LINE)
GND: 20.17
ELE: 15.31 (TOP OF UGP)
TEST HOLE #5
(UNDERGROUND
TELEPHONE)
GND: 24.26
ELE: 23.11 (TOP OF UGT)
TEST HOLE #1
(WATERLINE)
GND: 25.53
ELE: 22.62 (TOP OF WATERLINE)
TEST HOLE #2 1.5' WIDE
(UNDERGROUND POWER LNE)
SQUARE IN SHAPE
GND: 25.41
ELE: 24.15 (TOP OF UGP)
TEST HOLE #3
(UNDERGROUND
TELEPHONE)
GND: 25.68
ELE: 23.10 (TOP
OF UGT)
TEST HOLE #4
(UNDERGROUND
TELEPHONE)
GND: 25.58
ELE: 24.28 (TOP
OF UGT)
D01
D01
D01
D01
D01
D02
D02
D02
D02
D02
D02
D01
D02
D01
D02
D02
D02
D02
D02
D01
D01
D02
D02
D03
D01
D01
D02
D01
D02
D03
D03
D06
D05
D05
D01
D02
D02
D01 D07
D07
D02
D01
D01
D01D03
D01
D01
D02
DEMOLITION NOTES
1.ALL UTILITIES OR STRUCTURES NOT INDICATED FOR REMOVAL OR
MODIFICATION ARE TO REMAIN AND BE PROTECTED FROM DAMAGE.
2.CONTRACTOR TO OBTAIN, REFERENCE, AND UTILIZE ALL AVAILABLE
ENVIRONMENTAL REPORTS (PHASE 1 ESA, ASBESTOS, ETC.) FROM
DEVELOPER.
3.ALL WASTE MATERIAL GENERATED FROM CLEARING AND DEMOLITION
ACTIVITIES SHALL BE DISPOSED OF OFF-SITE IN ACCORDANCE WITH ALL
APPLICABLE RULES AND REGULATIONS.
4.REMOVE/ DEMOLISH/ ABANDON AFTER EROSION CONTROL MEASURES ARE IN
PLACE AN APPROVAL OF THE INSPECTOR. REFER TO EROSION CONTROL
PLAN.
5.REMOVE TOPSOIL AND STOCKPILE APPROPRIATELY ON-SITE. ON-SITE
TEMPORARY STOCKPILES SHALL BE LOCATED WITHIN CONSTRUCTION LIMITS.
6.DO NOT INTERRUPT EXISTING UTILITIES SERVICING FACILITIES OCCUPIED BY
THE OWNER OR OTHERS EXCEPT WHEN PERMITTED UNDER THE FOLLOWING
CONDITIONS AND THEN ONLY AFTER ARRANGING TO PROVIDE ACCEPTABLE
TEMPORARY UTILITY SERVICES. (1) NOTIFY OWNER NOT LESS THAN ONE
WEEK IN ADVANCE OF PROPOSED UTILITY INTERRUPTIONS. (2) DO NOT
PROCEED WITH UTILITY INTERRUPTIONS WITHOUT RECEIVING OWNER
WRITTEN PERMISSION. (3) COORDINATE ALL UTILITY RELOCATION WITH
APPROPRIATE UTILITY PROVIDER.
7.ALL PAVEMENT OR CONCRETE TO BE REMOVED SHALL BE SAW CUT TO
PROVIDE A STRAIGHT AND UNIFORM JOINT WITH NEW CONSTRUCTION. ANY
EXISTING PAVEMENT, SIDEWALK, CURB & GUTTER, ETC. THAT MUST BE
REMOVED TO ALLOW NEW CONSTRUCTION SHALL BE REMOVED TO ALLOW
NEW CONSTRUCTION SHALL BE REMOVED AND REPAIRED PER THE
SPECIFICATIONS AND DETAILS OR TO MATCH EXISTING CONDITIONS
(WHETHER OR NOT SHOWN ON THE DRAWINGS TO BE REMOVED). UTILITY
INSTALLATIONS MAY UTILIZE OPEN CUT OF PAVEMENTS UNLESS INDICATED
OTHERWISE. TRENCH IN EXISTING ASPHALT SHALL BE PATCHED PER
PAVEMENT REPAIR DETAIL.
8.PROTECT ALL ADJACENT PROPERTIES, THE GENERAL PUBLIC AND ALL OF
THE OWNER'S FACILITIES. SHOULD DAMAGE OCCUR, NOTIFY ARCHITECT
IMMEDIATELY.
9.SUBSURFACE FEATURES ARE SHOWN IN APPROXIMATE LOCATION.
CONTRACTOR IS RESPONSIBLE FOR SUBSURFACE UTILITY EXPLORATION TO
DETERMINE UTILITY LOCATIONS AND DEPTHS.
10.THE CONTRACTOR SHALL USE NC ONE CALL (811) TO LOCATE ALL
UNDERGROUND UTILITIES.
11.CONTRACTOR TO VERIFY LOCATIONS AND SIZES OF ALL EXISTING FEATURES
PRIOR TO COMMENCEMENT OF CONSTRUCTION. REPAIR AND REPLACE ANY
DAMAGES TO EXISTING UTILITIES RESULTING FROM CONSTRUCTION.
12.CONTRACTOR IS RESPONSIBLE FOR REMOVING OR ABANDONING ALL
EXISTING UTILITIES AND STRUCTURES REQUIRED TO COMPLETE SITE
CONSTRUCTION, EITHER ONSITE OR IN PUBLIC ROW, IN ACCORDANCE WITH
LOCAL, STATE AND FEDERAL REGULATIONS.
13.WATER AND SEWER ABANDONMENT SHALL BE DONE IN ACCORDANCE WITH
NEW HANOVER COUNTY STANDARDS INCLUDING DISCONNECT FROM THE
MAIN AND REMOVAL OF SERVICES FROM THE RIGHT-OF-WAY.
14.ANY EXISTING UNIDENTIFIED SEPTIC SYSTEMS AND WELLS FOUND ON SITE
SHALL BE REMOVED OR ABANDONED IN ACCORDANCE WITH LOCAL, STATE
AND FEDERAL REGULATIONS AT NO CHARGE TO THE OWNER
15.VERIFY ALL ILLUSTRATED KNOWN UNDERGROUND ELEMENTS. EXERCISE
REASONABLE EFFORTS TO PROTECT ANY UNKNOWN UNDERGROUND
ELEMENTS. NOTIFY THE ARCHITECT IMMEDIATELY IF UNKNOWN ELEMENTS
ARE DISCOVERED THAT WOULD NECESSITATE MODIFICATION TO THE
PROPOSED DESIGN.
16.CONTRACTOR SHALL COORDINATE ALL CONNECTIONS, RELOCATION AND
DEMOLITION WORK WITH THE APPROPRIATE COMPANY OR JURISDICTION
HAVING AUTHORITY AND SHALL OBTAIN ANY PERMITS AS REQUIRED.
17.ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL,
STATE, AND OSHA REGULATIONS.
18.EXISTING MANHOLES, VALVE BOXES, VAULTS, CLEANOUTS, UTILITY POLES
ETC. TO REMAIN WITHIN THE GRADING LIMITS SHALL BE ADJUSTED AS
NEEDED TO FUNCTION PROPERLY WITH THE PROPOSED FINISHED GRADES
(WHETHER OR NOT INDICATED TO BE MODIFIED).
19.GENERAL CONTRACTOR TO COORDINATE ALL PEDESTRIAN ACCESS PATHS,
LOCATIONS, LIGHTING ETC. WITH THE DEVELOPER.
20.CONTRACTOR SHALL NOTIFY APPROPRIATE DEPARTMENTS PRIOR TO
BEGINNING ANY WORK WITHIN PUBLIC RIGHT-OF-WAY.
DEMOLITION KEYNOTES
NUMBER DESCRIPTION
D01 EXISTING FEATURE TO REMAIN.
D02
REMOVE EXISTING FEATURE IN ACCORDANCE WITH ALL LOCAL,
STATE, AND FEDERAL REGULATIONS. CONTRACTOR TO
COORDINATE AS NEEDED WITH LOCAL MUNICIPALITY,
INSPECTORS, AND/OR UTILITY COMPANIES.
D03
RELOCATE AND MODIFY EXISTING FEATURE TO REMAIN IN
SERVICE IN ACCORDANCE WITH ALL LOCAL, STATE, AND FEDERAL
REGULATIONS. CONTRACTOR TO COORDINATE AS NEEDED WITH
LOCAL MUNICIPALITY, INSPECTORS, AND/OR UTILITY COMPANIES.
D04 EXISTING WETLANDS TO BE REMOVED ONLY AFTER IMPACT IS
FULLY PERMITTED.
D05
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON EACH
PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
D06 CIRCLE K FUNDED CONSTRUCTION WORK
D07 ILM FUNDED CONSTRUCTION WORK
TREE DEMOLITION AREA (INDIVIDUAL TREES DENOTED WITH )
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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09/02/2020
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D
8
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0
SCALE 1"=40'
80'40'
32
32
31
31
30
30
30
29
29
2
9
29
28
28
28
28
28
28
28
2
8
27
27 27
27
27
27
27
2
7
2
7
27
27
27
26
26
26
26
26
26
2
6
26
2
6
26
2
6
2
6
2
6
26
26
26 26
26
26
26 26
26
26
2
6
26
2
6
2
5
25
2
5
25
25
25
25
25
2
5
25
2
5
25
25
25
25
25252525
2
5
25 25 25 25 25
25 25
25
25
25
2525
252525
25
2525
25
24
2
4
24
24
24
2424
24 24
24 24 24 24 24
242424
242424
24
2
4
2
4
24
24
24
24
2
4
2
4
24
24
2
4
24
24
24
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24 24 2
4 24
24
24
2424
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24
24
24
24
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24
24
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24
24
24
24
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2
4
24
24
24
23
23 23
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23
23
23 23 23 23
23
2
3 23
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23
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3
2
3
23
23
2
3
2
3
23
2
3
2
3
2
3
23
23
2
3
23
2323
23
23
23
23
23
2
3
23
23
23
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3
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23
23
23
23
23
2
3
23
23
23
23
23
2
3
23
23
23
23
23
23
23
2
3
2
3
23
23
2
3
22
22
22
22
22
22
22
22
22
2
2
22
22
22
2
2
22
22
22
22
22
2
2
2
2
22
22
22
22
22
22
22
22
22
22
22
22
22
2
2
22
2
2
22
22
22 22
22
22
22
22
2
2
2
2
2
221
21
2121
21
21
21
2
1
21
2
1
21
2
1
21
2
1
21
21
2
1
2
1
21
2
1
2
1
21
21
21 21
21
21
2
1
2
1
21
21
2
1
2
0
2
0
2020
20
20
20
2
0
2
0
2
0
20
20
20
20
20
20
20
2
0
20
2020
2
0
20
20
2
0
20
20
2
0
2
0
2
0
20
2
0
20
2
0
2
0
20
20
1
9
1
9
1
9
19
19
19
19
19
1
9
1
9
19
19
19
19
19
1
9
1
9
1
9
1
9
1
9
19
19
1
9
1
9
1
9
18
18
18
1
8
18
1
8
1
8
18
18
1
8
18
18
1
8
18
1
8
1
8
1
8
1
8
1
8
1
8
17
1
7
17
1
7
1
7
17
17
1
7
1
7
17
1
7
1
7
16
16
16
1
6
16
16
1
6
16
1
61
6
1
6
1
5
15
1
5
1
5
15
1
5
1
5
1
4
1
4
13
W
W
W
W
W
W
W
W
W
W
W
W
W
W
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SANSANSANSANSANSANSAN
SA
N
SA
N
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SA
N
SA
N
SA
N
SA
N
W W W W W W W W W W W W W W W
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
PAVE
M
E
N
T
P
A
V
E
M
E
N
T
POWER VAULT
POWER VAULT
POWER VAULT
GRAV
E
L
GRAVEL
PAVEMENT
CONC.CONC.
ABANDONED
LIFT STATION
ABANDONED
LIFT STATION
POWER VAULT
RIPRAP
WETLANDS
5,968± SQ. FT.
0.14± AC.
PAR#R04200-001-025-000
NEW HAN CNTY
DB 817, PG 868 ZONED-AC
UGP
UGT UGT
UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP
UGT UGT UGT UGT
UGT UGT UGT UGT UGT UGT UGT UGT UGT
1
2
"
V
C
P
1
2
"
V
C
P
12
"
V
C
P
12" VCP
SA
N
SA
N
1
0
"
P
V
C
12" VCP
8"
P
V
C
FENCE
FENCE
TREELIN
E
TREELIN
E
TR
E
E
L
I
N
E
TREE
L
I
N
E
SW
A
L
E
SMH
RIM=24.52
INV(N)=8.05
INV(E)=7.85
INV(W)=7.78
SMH
RIM=24.24
INV(E)=6.64
INV(W)=6.78
SMH
RIM=23.10
INV(NW)=4.40
INV(SE)=4.37
36
"
R
C
P
1
5
"
R
C
P
1
5
"
R
C
P
1
8
"
R
C
P
24" RCP
24
"
R
C
P
X
X
X
X
X
SMH
RIM=23.97
INV(NW)=3.40
INV(SW)=3.34
DI
T
C
H
DI
T
C
H
24" RCP
INV=19.05
DI
RIM=21.77
INV(N)=19.46
INV(S)=19.47
INV=20.30
INV=21.18
BOTTOM=15.26
DI
RIM=21.59
INV(N)=13.27
INV(S)=13.04
INV=19.14INV=18.94
INV=16.58
INV=15.90
INV=19.40
INV=16.81
END UNKNOWN
WETLANDS
1,836± SQ. FT.
0.04± AC.
WETLAND
1,174± SQ. FT.
0.03± AC.
WETLAND
1,102± SQ. FT.
0.03± AC.
G G G G G G G G G G G G G G G G
GAS LINE DRAWN FROM
NCDOT PLANS GAS LINE DRAWN FROM
NCDOT PLANS
R/W LINE
(NCDOT PROJECT # 4.6030092)
X
X
X
INV=14.72
15" DIP
END UNKNOWN
INV=12.50
DIT
C
H
INTERMITTENT
STREAM
WETLAND
447± SQ. FT.
0.01± AC.
FE
N
C
E
FM
FM
FM
8
"
W
A
T
E
R
L
I
N
E
36
"
R
C
P
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
SMH
RIM=24.08
INV(N)=9.66
INV(E)=5.52
INV(SE)=5.45
INTERMITTENT
STREAM BUFFER
RELATIVELY PERMANENT
WATER
1,698± SQ. FT.
0.04± AC.
RELATIVELY PERMANENT
WATER
2,108± SQ. FT.
0.05± AC.
TEST HOLE #6
(WATERLINE)
COULDN'T LOCATE
ANYTHING
GND: 22.21
ELE: 19.15
TEST HOLE #7 (WATER / GAS LINE)
COULDN'T LOCATE ANYTHING
GND: 22.05
ELE: 17.98
TEST HOLE #8 1.5' WIDE
(UNDERGROUND
POWER LINE)
SQUARE IN SHAPE
GND: 21.92
ELE: 19.37 (TOP OF UGP)
TEST HOLE #9
(UNDERGROUND
TELEPHONE)
GND: 21.56
ELE: 19.25 (TOP OF UGT)
TEST HOLE #9B
(UNDERGROUND
TELEPHONE)
GND: 21.64
ELE: 20.04 (TOP OF UGT)
D01
D02
D02
D01
D01
D01
D02
D04
D03
D07
D07
D04
D02
D01
D02
D01
DEMOLITION NOTES
1.ALL UTILITIES OR STRUCTURES NOT INDICATED FOR REMOVAL OR
MODIFICATION ARE TO REMAIN AND BE PROTECTED FROM DAMAGE.
2.CONTRACTOR TO OBTAIN, REFERENCE, AND UTILIZE ALL AVAILABLE
ENVIRONMENTAL REPORTS (PHASE 1 ESA, ASBESTOS, ETC.) FROM
DEVELOPER.
3.ALL WASTE MATERIAL GENERATED FROM CLEARING AND DEMOLITION
ACTIVITIES SHALL BE DISPOSED OF OFF-SITE IN ACCORDANCE WITH ALL
APPLICABLE RULES AND REGULATIONS.
4.REMOVE/ DEMOLISH/ ABANDON AFTER EROSION CONTROL MEASURES ARE IN
PLACE AN APPROVAL OF THE INSPECTOR. REFER TO EROSION CONTROL
PLAN.
5.REMOVE TOPSOIL AND STOCKPILE APPROPRIATELY ON-SITE. ON-SITE
TEMPORARY STOCKPILES SHALL BE LOCATED WITHIN CONSTRUCTION LIMITS.
6.DO NOT INTERRUPT EXISTING UTILITIES SERVICING FACILITIES OCCUPIED BY
THE OWNER OR OTHERS EXCEPT WHEN PERMITTED UNDER THE FOLLOWING
CONDITIONS AND THEN ONLY AFTER ARRANGING TO PROVIDE ACCEPTABLE
TEMPORARY UTILITY SERVICES. (1) NOTIFY OWNER NOT LESS THAN ONE
WEEK IN ADVANCE OF PROPOSED UTILITY INTERRUPTIONS. (2) DO NOT
PROCEED WITH UTILITY INTERRUPTIONS WITHOUT RECEIVING OWNER
WRITTEN PERMISSION. (3) COORDINATE ALL UTILITY RELOCATION WITH
APPROPRIATE UTILITY PROVIDER.
7.ALL PAVEMENT OR CONCRETE TO BE REMOVED SHALL BE SAW CUT TO
PROVIDE A STRAIGHT AND UNIFORM JOINT WITH NEW CONSTRUCTION. ANY
EXISTING PAVEMENT, SIDEWALK, CURB & GUTTER, ETC. THAT MUST BE
REMOVED TO ALLOW NEW CONSTRUCTION SHALL BE REMOVED TO ALLOW
NEW CONSTRUCTION SHALL BE REMOVED AND REPAIRED PER THE
SPECIFICATIONS AND DETAILS OR TO MATCH EXISTING CONDITIONS
(WHETHER OR NOT SHOWN ON THE DRAWINGS TO BE REMOVED). UTILITY
INSTALLATIONS MAY UTILIZE OPEN CUT OF PAVEMENTS UNLESS INDICATED
OTHERWISE. TRENCH IN EXISTING ASPHALT SHALL BE PATCHED PER
PAVEMENT REPAIR DETAIL.
8.PROTECT ALL ADJACENT PROPERTIES, THE GENERAL PUBLIC AND ALL OF
THE OWNER'S FACILITIES. SHOULD DAMAGE OCCUR, NOTIFY ARCHITECT
IMMEDIATELY.
9.SUBSURFACE FEATURES ARE SHOWN IN APPROXIMATE LOCATION.
CONTRACTOR IS RESPONSIBLE FOR SUBSURFACE UTILITY EXPLORATION TO
DETERMINE UTILITY LOCATIONS AND DEPTHS.
10.THE CONTRACTOR SHALL USE NC ONE CALL (811) TO LOCATE ALL
UNDERGROUND UTILITIES.
11.CONTRACTOR TO VERIFY LOCATIONS AND SIZES OF ALL EXISTING FEATURES
PRIOR TO COMMENCEMENT OF CONSTRUCTION. REPAIR AND REPLACE ANY
DAMAGES TO EXISTING UTILITIES RESULTING FROM CONSTRUCTION.
12.CONTRACTOR IS RESPONSIBLE FOR REMOVING OR ABANDONING ALL
EXISTING UTILITIES AND STRUCTURES REQUIRED TO COMPLETE SITE
CONSTRUCTION, EITHER ONSITE OR IN PUBLIC ROW, IN ACCORDANCE WITH
LOCAL, STATE AND FEDERAL REGULATIONS.
13.WATER AND SEWER ABANDONMENT SHALL BE DONE IN ACCORDANCE WITH
NEW HANOVER COUNTY STANDARDS INCLUDING DISCONNECT FROM THE
MAIN AND REMOVAL OF SERVICES FROM THE RIGHT-OF-WAY.
14.ANY EXISTING UNIDENTIFIED SEPTIC SYSTEMS AND WELLS FOUND ON SITE
SHALL BE REMOVED OR ABANDONED IN ACCORDANCE WITH LOCAL, STATE
AND FEDERAL REGULATIONS AT NO CHARGE TO THE OWNER
15.VERIFY ALL ILLUSTRATED KNOWN UNDERGROUND ELEMENTS. EXERCISE
REASONABLE EFFORTS TO PROTECT ANY UNKNOWN UNDERGROUND
ELEMENTS. NOTIFY THE ARCHITECT IMMEDIATELY IF UNKNOWN ELEMENTS
ARE DISCOVERED THAT WOULD NECESSITATE MODIFICATION TO THE
PROPOSED DESIGN.
16.CONTRACTOR SHALL COORDINATE ALL CONNECTIONS, RELOCATION AND
DEMOLITION WORK WITH THE APPROPRIATE COMPANY OR JURISDICTION
HAVING AUTHORITY AND SHALL OBTAIN ANY PERMITS AS REQUIRED.
17.ALL WORK SHALL BE PERFORMED IN ACCORDANCE WITH APPLICABLE LOCAL,
STATE, AND OSHA REGULATIONS.
18.EXISTING MANHOLES, VALVE BOXES, VAULTS, CLEANOUTS, UTILITY POLES
ETC. TO REMAIN WITHIN THE GRADING LIMITS SHALL BE ADJUSTED AS
NEEDED TO FUNCTION PROPERLY WITH THE PROPOSED FINISHED GRADES
(WHETHER OR NOT INDICATED TO BE MODIFIED).
19.GENERAL CONTRACTOR TO COORDINATE ALL PEDESTRIAN ACCESS PATHS,
LOCATIONS, LIGHTING ETC. WITH THE DEVELOPER.
20.CONTRACTOR SHALL NOTIFY APPROPRIATE DEPARTMENTS PRIOR TO
BEGINNING ANY WORK WITHIN PUBLIC RIGHT-OF-WAY.
DEMOLITION KEYNOTES
NUMBER DESCRIPTION
D01 EXISTING FEATURE TO REMAIN.
D02
REMOVE EXISTING FEATURE IN ACCORDANCE WITH ALL LOCAL,
STATE, AND FEDERAL REGULATIONS. CONTRACTOR TO
COORDINATE AS NEEDED WITH LOCAL MUNICIPALITY,
INSPECTORS, AND/OR UTILITY COMPANIES.
D03
RELOCATE AND MODIFY EXISTING FEATURE TO REMAIN IN
SERVICE IN ACCORDANCE WITH ALL LOCAL, STATE, AND FEDERAL
REGULATIONS. CONTRACTOR TO COORDINATE AS NEEDED WITH
LOCAL MUNICIPALITY, INSPECTORS, AND/OR UTILITY COMPANIES.
D04 EXISTING WETLANDS TO BE REMOVED ONLY AFTER IMPACT IS
FULLY PERMITTED.
D05
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON EACH
PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
D06 CIRCLE K FUNDED CONSTRUCTION WORK
D07 ILM FUNDED CONSTRUCTION WORK
TREE DEMOLITION AREA (INDIVIDUAL TREES DENOTED WITH )
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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C1.3
DE
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B. DOWNS
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09/02/2020
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37630.054
NA
D
8
3
0
SCALE 1"=40'
80'40'
EDGE OF PAVEM
E
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CURB
&
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&
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AIRPO
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(EXI
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)
VARIA
B
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W
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S
2
3
°
1
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'
2
2
"
E
2
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2
.
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0
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S
2
9
°
2
0
'
4
4
"
E
8
6
.
3
1
'
S
3
1
°
3
1
'
1
9
"
E
7
0
.
0
0
'
S1
5
°
0
5
'
1
3
"
W
85
.
2
1
'
S59°4
2
'
4
6
"
W
273.3
6
'
S80°48'47"W
279.76'
S88°50'44"W
1540.88'
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
37'
9.5'
18'
9.5'
35'
37'
36'
30'
100'
BAY
TAPER
100' FULL STORAGE
8'
9.5'8'6'
14'
11.67'
18'12'
12'
12'
12'
12'
12'
6'
40'
N60°3
9
'
1
6
"
E
335.1
2
'
N37°37'39"W
26.59'
R=165.50'
L=109.21'
N0°10'52"E
62.72'
R=134.50'
L=30.56'
N
1
2
°
5
0
'
2
1
"
W
35
.
8
1
'
S80°48'47"W
66.75'
S59°4
2
'
4
6
"
W
322.8
6
'
PROP. 12'
EX. 12'
EX. 12'
PROP. 12'
EX. 12'
EX. 12'
100' BAY
TAPER
100' FULL
STORAGE
EX. 12'
12'
12'
N 23RD ST - POSTED SPEED LIMIT: 45 MPH
AIRPORT BLVD - POSTED SPEED LIMIT: 45 MPH
3' (TYP.)
75'
3'
75'
(TYP.)
28'
24'
12'
8'
4'
59.86'
59.86'
10' PARKING
SETBACK
37.5' MAX. WIDTH
STREET YARD
10' PARKING SETBACK
80' AIRPORT FRONT
SETBACK
50' FRONT
SETBACK
60' AIRPORT
FRONT SETBACK
50' FRONT SETBACK
10' PARKING SETBACK
10' PARKING SETBACK
12.5' MIN. WIDTH
STREET YARD
S66
S67
R30'
R10'
R15'
R50'
R30'
R30'
R20'
R3'
R15'
R3'
R15'
R150'
R350'
R143'
R15'
R30'
R30'
R30'
R30'
R30'
8.5'
2'
R157'
6.95'
30'
26.54'
4'
(TYP.)
2'
NTI-F
S
-
P
R
O
T
O
T
Y
P
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-
5200
S
Q
.
F
T
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-
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6
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0
5
/
2
0
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0
CK N
A
T
I
O
N
A
L
U
P
D
A
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E
13
6
PRIV
A
T
E
S
T
R
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T
(NHC
L
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T
6
2'
CS10
T2
TA
TE
TA
TA
UC
UC
UC
UB
UB
UE
TE
TD
TI
TO
TN
TE
TA
UA
TI TD
UA
CS01
CS02
CS05
CS07
CS11
CS12
CS13CS18
CS20
CS24
CS25
CS27
CS28
CS29
CS32
CS32
CS33
CS36
CS36
CS38
S65
S53
S71
T2
CS21
CS56
S01
S01
S28
S34
S35
S35
S41
S44
S44
S44
S44
S62
S61
S63
S64
S64
CS10
S68
S68
S69
S70
S70
CS14CS16
CS17
S02
S35
CS58
CS24
CS33
CS23
CS33
UC
UB
S69
S02
S02
S71
T2
S60
S71
T2
S69
TD
TD
S72
25'
TE
R50'
R55'
R100'
R50'
CS34
CS34
189'
12.5' STREET YARD
12.5' STREET YARD
TRAFFIC CONTROL KEYNOTES
Symbol Description Material Linear Length
Adjustment
T2 WHITE STOPBAR (24", 90 MIL); REFER TO NCDOT
STANDARD DETAIL 1205.01.Thermo 1
TA WHITE EDGELINE (4", 90 MIL); REFER TO NCDOT STANDARD
DETAIL 1205.01.Thermo 1
TD 3 FT. - 9 FT./SP WHITE MINISKIP (4", 90 MIL); REFER TO
NCDOT STANDARD DETAIL 1205.01.Thermo 0.25
TE WHITE SOLID LANE LINE (4", 90 MIL); REFER TO NCDOT
STANDARD DETAIL 1205.01.Thermo 1
TI YELLOW EDGELINE (4", 90 MIL); REFER TO NCDOT
STANDARD DETAIL 1205.01.Thermo 1
TN WHITE GORELINE (8", 90 MIL); REFER TO NCDOT STANDARD
DETAIL 1205.01 AND 1205.09.Thermo 1
TO WHITE DIAGONAL (8", 90 MIL); REFER TO NCDOT STANDARD
DETAIL 1205.01 AND 1205.09.Thermo 1
UA LEFT TURN ARROW (90 MIL); REFER TO NCDOT STANDARD
DETAIL 1205.08.Thermo 1
UB RIGHT TURN ARROW (90 MIL); REFER TO NCDOT
STANDARD DETAIL 1205.08.Thermo 1
UC STRAIGHT ARROW (90 MIL); REFER TO NCDOT STANDARD
DETAIL 1205.08.Thermo 1
UE COMBO. RIGHT/STRAIGHT ARROW (90 MIL); REFER TO
NCDOT STANDARD DETAIL 1205.08.Thermo 1
SITE LAYOUT KEYNOTES
NUMBER DESCRIPTION
CS01 C-STORE BUILDING, REFER TO ARCHITECTURAL AND MEP PLANS
BY OTHERS.
CS02 DUMPSTER ENCLOSURE AND BOLLARDS; REFER TO
ARCHITECTURAL PLANS BY OTHERS.
CS05 GAS CANOPY; REFER TO CANOPY PLANS BY OTHERS.
CS07 UST TANKS AND PAD; REFER TO FUELING PLANS BY OTHERS
FOR PAD SIZING AND PAVING DESIGN.
CS10
PYLON SIGN; FURNISHED AND INSTALLED BY OTHERS. VERIFY
EXACT LOCATION AND DESIGN BEFORE ROUGH-IN. PERMITTED
BY OTHERS.
CS11 AIR MACHINE; PROVIDE 3'x8' CONCRETE PAD. REFER TO DETAIL
CK-160.
CS12 AIR MACHINE PAVEMENT MARKING; REFER TO DETAIL CK-165.
CS13
TRANSFORMER PAD; GC TO COORDINATE LOCATION WITH
LOCAL PROVIDER. LOCAL PROVIDER CAN SUPERSEDE THE
PROPOSED TRANSFORMER PAD LOCATION.
CS14 ROOF LADDER PAD; 4'X6' STANDARD DUTY CONCRETE IF
LOCATED IN LANDSCAPE AREA.
CS16 CO2 TANK AND STORAGE CABINET; 4'x4' STANDARD DUTY
CONCRETE PAD IF LOCATED IN LANDSCAPE AREA.
CS17 BUILDING SERVICE ENTRANCE SECTION; 3.5'x7' STANDARD DUTY
CONCRETE PAD IF LOCATED IN LANDSCAPE AREA.
CS18 OUTDOOR SEATING; REFER TO PLAN FOR DIMENSIONS.
CS20 TWO (2) OUTDOOR SEATING TABLES. ONE (1) U-LINE H-2126R
SQUARE STANDARD & ONE (1) U-LINE H-2671R SQUARE ADA.
CS21 CUSTOMER ONLY SEATING SIGN; REFER TO DETAIL CK-199.
CS23 BICYCLE RACK; REFER TO DETAIL CK-198 OR LOCAL
REQUIREMENT.
CS24
4" BOLLARD AND COVER, REFER TO DETAIL CK-180 AND CK-197
(TYP.). CENTER ON ADA STRIPING. 5' ON CENTER SPACING.
REFER TO PLAN FOR COUNT.
CS25 6" BOLLARD AND COVER, REFER TO DETAIL CK-180 AND FUELING
PLANS FOR LOCATION AND COUNT (TYP.).
CS27
ACCESSIBLE PARKING SIGN (TYPICAL - PER ADA AND LOCAL
CODES) R7-8A (MUTCD) MOUNTED IN A BOLLARD; REFER TO
DETAIL CK-185.
CS28
VAN ACCESSIBLE PARKING SIGN (TYPICAL - PER ADA AND LOCAL
REQUIREMENTS) R7-8A (MUTCD) MOUNTED IN A BOLLARD;
REFER TO DETAIL CK-185.
CS29
ADA ACCESSIBLE PARKING SPACE, AISLE, AND SYMBOL
STRIPING; REFER TO DETAIL CK-105 AND CK-110. PER ADA AND
LOCAL CODES.
CS32 24" CURB & GUTTER; REFER TO DETAIL CK-120 AND CK-125.
CS33 30" WIDE CONCRETE COLOR BAND FLUSH CURB; REFER TO
DETAIL CK-197.
CS34 LIGHT POLE BASE (TYPICAL - PER LIGHTING PLAN); REFER TO
DETAIL CK-190 AND ARCHITECTURAL PLANS BY OTHERS.
CS36 DIRECTIONAL TRAFFIC ARROW (PER LOCAL CODES); REFER TO
DETAIL CK-115 (TYP.).
CS38 EXISTING SIGNALIZED INTERSECTION
CS56 DOG WASTE STATION; TO BE PROVIDED BY AND INSTALLED BY
CIRCLE K.
CS58 MPD; REFER TO DETAIL CK-200 (TYP.).
S01 RIGHT-OF-WAY (TYP.)
S02 LEASE BOUNDARY (TYP.)
S28 EXISTING ROAD CENTERLINE
S34 RIGHT IN / RIGHT OUT DRIVEWAY
S35 ROAD WIDENING FOR RIGHT TURN LANE
S41 PARKING STALL STRIPING PER LOCAL CODES (TYP.)
S44 10' X 70' SIGHT DISTANCE TRIANGLE (TYP.)
S53 "RIGHT TURN ONLY" SIGN; R3-5 (MUTCD)
S60 PROPOSED CENTERLINE; TO BE DESIGNED BY OTHERS
S61 PROPOSED ROAD BARRICADE
S62 1' 6" NCDOT MOUNTABLE CURB
S63 SURFACE MOUNTED 4' WIDE, 5" HIGH CONCRETE MONOLITHIC
ISLAND PER NCDOT STD 852.01
S64 MUTCD R4-7 MEDIAN SIGN
S65 TRAFFIC SIGNAL MODIFICATIONS. REFER TO TRAFFIC SIGNAL
PLANS.
S66 30' WIDE CFPUA SANITARY SEWER EASEMENT
S67 20' WIDE CFPUA WATER EASEMENT
S68
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
S69 CIRCLE K FUNDED CONSTRUCTION WORK
S70 ILM FUNDED CONSTRUCTION WORK
S71 30"x30" R1-1 "STOP" SIGN AND 24" WIDE "STOP" BAR
S72 VARIABLE WIDTH SCM ACCESS EASEMENT
CS03
CS04
CS05
CS06
CS07
CS11
CS12
CS13
CS14A
CS15
CS16
CS17
CS18
CS19
CS20
CS21
CS22
CS25
CS26
CS23
CS27
CS28
CS50
CS51
CS48
CS49
CS24
CS29
CS30
CS31
CS32
CS33
CS34
CS35
CS36
CS37
CS38
CS39
CS40
CS41
CS42
CS43
CS44
CS45
CS46
CS47
S41
S42
S43
S44
S45
S46
S47
S48
S49
S50
S51
S52
S53
S54
S55
S56
S57
S58
S59
S60
S61
S62
S63
S64
S65
S66
S67
S68
S69
S70
S71
S72
S73
S74
S75
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
RE
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I
S
I
O
N
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S
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P
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|
b
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Ja
c
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b
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
V
I
S
I
O
N
P
E
R
C
F
P
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A
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E
V
I
E
W
09
/
1
1
/
2
0
2
0
NE
W
H
A
N
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V
E
R
C
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T
Y
S
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B
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A
L
09
/
2
1
/
2
0
2
0
BI
D
S
E
T
12
/
0
4
/
2
0
2
0
RE
V
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S
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S
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C
,
N
C
D
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T
,
A
N
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F
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A
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2
0
2
0
C2.0
SI
T
E
L
A
Y
O
U
T
P
L
A
N
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
L
E
K
-
N
T
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A
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P
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R
T
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V
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-
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.
1
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5
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I
N
A
37630.054
NA
D
8
3
0
SCALE 1"=40'
80'40'
SITE LAYOUT NOTES
1.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH NEW HANOVER COUNTY
AND NCDOT STANDARDS AND SPECIFICATIONS.
2.ALL DIMENSIONS ARE TO FACE OF CURB, EDGE OF PAVING, BUILDING WALL
FACE OR PROPERTY LINE UNLESS OTHERWISE NOTED.
3.CONTRACTOR SHALL FIELD VERIFY ALL DIMENSIONS, UTILITIES AND GRADES
PRIOR TO CONSTRUCTION. CONTRACTOR SHALL NOTIFY THE ENGINEER OF
ANY EXISTING DISCREPANCIES PRIOR TO COMMENCING ANY RELATED
CONSTRUCTION.
4.AT LEAST 72 HOURS PRIOR TO CONSTRUCTION OR EXCAVATION THE
CONTRACTOR SHALL NOTIFY "NORTH CAROLINA ONE CALL" (811) OR
(1-800-632-4949) TO HAVE EXISTING UTILITIES LOCATED.
5.PARKING SPACES ARE 9.5' WIDE X 18' LONG MINIMUM EXCEPT HANDICAP
SPACES WHICH ARE 8.0' WIDE MINIMUM WITH 8.0' VAN ACCESS AND 5.0'
STANDARD ACCESS AISLES.
6.REFER TO ARCHITECTURAL DRAWINGS FOR DIMENSIONS OF THE BUILDING.
7.CONTRACTOR SHALL NOTIFY THE ENGINEER OF ANY DIMENSIONAL
CONFLICTS PRIOR TO THE BEGINNING OF CONSTRUCTION.
8.ALL CURB AND GUTTER ONSITE SHALL BE 24" WIDE.
9.ALL DISTURBED CURB & GUTTER AND ASPHALT SHALL BE REPLACED PER NEW
HANOVER COUNTY OR NCDOT STANDARDS AND SPECIFICATIONS.
10.ALL DRIVEWAY DESIGN AND CONSTRUCTION MUST COMPLY WITH NEW
HANOVER COUNTY SPECIFICATIONS. DRIVEWAYS SHALL BE PERMITTED
SEPARATELY.
11.NO SIGHT OBSTRUCTING OR PARTIALLY OBSTRUCTING WALL, FENCE,
FOLIAGE, BERMING, PARKED VEHICLES OR SIGN BETWEEN THE HEIGHTS OF
TWENTY-FOUR (24) INCHES AND EIGHT (8) FEET ABOVE THE CURB LINE
ELEVATION, OR THE NEAREST TRAVELED WAY IF NO CURBING EXISTS, SHALL
BE PLACED WITHIN A SIGHT TRIANGLE OF A PUBLIC STREET, PRIVATE STREET
OR DRIVEWAY CONTAINED EITHER ON THE PROPERTY OR ON AN ADJOINING
PROPERTY.
12.ALL PAVEMENT MARKINGS MUST MATCH THE FINAL APPROVED SIGNAL PLANS.
13.ALL EXTERIOR LIGHTING SHALL BE SHIELDED SO THE ILLUMINATION IS NOT IN
AN UPWARD DIRECTION.
CURB
&
G
U
T
T
E
R
CURB
&
G
U
T
T
E
R
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
S
T
I
N
G
N
E
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
R
O
A
D
)
VARI
A
B
L
E
W
I
D
T
H
R
O
W
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
NTI-F
S
-
P
R
O
T
O
T
Y
P
E
-
5200
S
Q
.
F
T
.
-
0
6
/
0
5
/
2
0
2
0
CK N
A
T
I
O
N
A
L
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D
A
T
E
PRIV
A
T
E
S
T
R
E
E
T
(NHC
L
O
C
A
L
S
T
A
N
D
A
R
D
S
)
T
26'
46'
2'
2'
2'
2'
P04
P04
P04
CP20
CP21
CP21
CP21
CP21
CP21
CP21
CP21
P01
P01
P16
P08
CP22
P08
CP22
P08
CP22
P13
P13
P18
P05
P08
CP22
P09
CP22
CP21
P09
CP22
P19
P19
P19
P19
P05
P05
19.5'
19.5'
5.2'
5.5'
(TYP.)
17.6'
20.6'
24.4'
5'
P21
CP23
P13
P19
PAVING KEYNOTES
NUMBER HATCH DESCRIPTION
P01 EXISTING PAVEMENT TO REMAIN UNDISTURBED.
P04 HEAVY DUTY ASPHALT PAVING; REFER TO PAVEMENT
SECTIONS DETAIL.
P05 DOT ASPHALT; REFER TO PAVEMENT SECTIONS DETAIL.
P08 STANDARD DUTY CONCRETE PAVING; REFER TO PAVEMENT
SECTIONS DETAIL.
P09 HEAVY DUTY CONCRETE PAVING; REFER TO PAVEMENT
SECTIONS DETAIL.
P13 CONCRETE SIDEWALK; REFER TO PAVEMENT SECTIONS
DETAIL.
P14 4" GRAVEL
P16 BUILDING PAD; REFER TO ARCHITECTURAL PLANS BY
OTHERS.
P18 TRANSFORMER PAD PER UTILITY PROVIDER
SPECIFICATIONS.
P19 CONCRETE ISLAND PER NCDOT DETAIL 852.01, 852.02, AND
852.10.
P20
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES
THE SCOPE OF WORK BREAKDOWN FOR THE PRIMARY
WORK ON EACH PAGE (I.E. UTILITY WORK ON THE UTILITY
PLAN).
P21 CIRCLE K FUNDED CONSTRUCTION WORK
P22 ILM FUNDED CONSTRUCTION WORK
CP20 CONCRETE PAVING OVER UST TANKS. REFER TO FUELING
PLANS BY OTHERS FOR DETAILS.
CP21 THICKENED EDGE; REFER TO DETAIL CK-155 AND CK-150.
CP22 REFER TO CONCRETE PAVEMENT JOINT DETAIL (TYP.);
REFER TO DETAIL CK-175.
CP23 SPECIALTY CONCRETE; REFER TO KEYNOTES ON SITE
LAYOUT PLANNOTE: CURB & GUTTER NOT HATCHED. REFER TO SITE LAYOUT PLAN FOR ADDITIONAL
INFORMATION.
53.23'
12'
P01
P19
P19
P05
P14
P22
P21
P20
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
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-
1
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5
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AS SHOWN
s:
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2
0
1
2
:
1
2
P
M
|
b
y
Ja
c
o
b
D
o
o
l
e
y
ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
V
I
S
I
O
N
P
E
R
C
F
P
U
A
R
E
V
I
E
W
09
/
1
1
/
2
0
2
0
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
S
T
O
R
M
W
A
T
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S
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B
M
I
T
T
A
L
09
/
2
1
/
2
0
2
0
BI
D
S
E
T
12
/
0
4
/
2
0
2
0
RE
V
I
S
I
O
N
S
P
E
R
N
H
C
,
N
C
D
O
T
,
A
N
D
C
F
P
U
A
12
/
0
3
/
2
0
2
0
C2.1
PA
V
I
N
G
P
L
A
N
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
L
E
K
-
N
T
I
A
I
R
P
O
R
T
B
L
V
D
W
I
L
M
I
N
G
T
O
N
-
N
C
.
1
1
5
WI
L
M
I
N
G
T
O
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-
NE
W
H
A
N
O
V
E
R
C
O
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N
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Y
-
NO
R
T
H
C
A
R
O
L
I
N
A
37630.054
NA
D
8
3
0
SCALE 1"=30'
60'30'
GAS UST INSET - SCALE 1" = 20'
PAVING INSET - SCALE 1" = 30'
PAVING INSET - SCALE 1" = 30'
NTI-F
S
-
P
R
O
T
O
T
Y
P
E
-
5200
S
Q
.
F
T
.
-
0
6
/
0
5
/
2
0
2
0
CK N
A
T
I
O
N
A
L
U
P
D
A
T
E
13
6
PRIV
A
T
E
S
T
R
E
E
T
(NHC
L
O
C
A
L
S
T
A
N
D
A
R
D
S
)
T
6
CURB
&
G
U
T
T
E
R
CURB
&
G
U
T
T
E
R
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
S
T
I
N
G
N
E
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
R
O
A
D
)
VARIA
B
L
E
W
I
D
T
H
R
O
W
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
NTI-F
S
-
P
R
O
T
O
T
Y
P
E
-
5200
S
Q
.
F
T
.
-
0
6
/
0
5
/
2
0
2
0
CK N
A
T
I
O
N
A
L
U
P
D
A
T
E
13
6
PRIV
A
T
E
S
T
R
E
E
T
(NHC
L
O
C
A
L
S
T
A
N
D
A
R
D
S
)
T
6
CURB
&
G
U
T
T
E
R
CURB
&
G
U
T
T
E
R
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
S
T
I
N
G
N
E
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
R
O
A
D
)
VARIA
B
L
E
W
I
D
T
H
R
O
W
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
RE
V
I
S
I
O
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S
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p
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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0
SCALE 1"=40'
80'40'
GAS TRUCK ROUTING (WB-50)GARBAGE TRUCK ROUTING
24" R
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28
28
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CG01
CG01
CG01
CG06
CG03
G23
G30
G30
G30
G30
G30
G30
G30
G41
G41
G42
G42
G43
G43
G43
G43
G42
EW109
EW108
FE302
EW107
FE301
YI106
JB105
EW104
EW103
EW102
RS101A
EW100
EW101
EW300
2
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R
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P
24"
R
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30"
R
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2
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25
26
CG05
25
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W
8
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8''W
8''W
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SA
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G40
CG09
CG01
CG05
FFE=
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0
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2
6
2
4
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2
3
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2
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25
24
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23
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G24
G42
G31
G31
G44
G44
G44
22
2021 2021
G31
2
2
22
G30
GRADING AND STORM DRAINAGE NOTES
1.CONTRACTOR SHALL CALL "NORTH CAROLINA ONE CALL" (811) AT LEAST 3-12
BUSINESS DAYS PRIOR TO DIGGING TO HAVE EXISTING UTILITIES LOCATED.
REPORT ANY DISCREPANCIES TO THE ENGINEER.
2.CONTRACTOR TO COORDINATE ACTIVITIES WITH UTILITY COMPANIES
INVOLVED IN ANY RELATED RELOCATION (I.E. POWER POLES, TELEPHONE
PEDESTALS, WATER METERS, ETC.).
3.EXISTING UTILITIES SHOWN ARE BASED ON FIELD SURVEYS AND THE BEST
AVAILABLE RECORD DRAWINGS. THE CONTRACTOR SHALL VERIFY
CONDITIONS PRIOR TO BEGINNING CONSTRUCTION. ANY DISCREPANCIES
BETWEEN ACTUAL FIELD CONDITIONS AND THE PLANS SHALL BE REPORTED
TO THE ENGINEER IMMEDIATELY.
4.THE CATCH BASINS AND YARD INLETS SHALL BE CONSTRUCTED IN THE
LOCATIONS SHOWN UNLESS OTHERWISE DIRECTED BY THE ENGINEER. THE
CONTRACTOR IS RESPONSIBLE FOR REPORTING ANY DISCREPANCIES IN
THE CATCH BASIN ELEVATIONS OR THE PROPOSED PIPE SLOPES TO THE
ENGINEER. THE CONTRACTOR IS ALSO RESPONSIBLE TO REPORT ANY
CONFLICTS BETWEEN ANY UTILITY, STORM DRAIN LINE, WATER LINE, SEWER
LINE OR ANY OTHER PROPOSED OR EXISTING STRUCTURE TO THE
ENGINEER.
5.A LAND DISTURBING PERMIT WILL BE REQUIRED PRIOR TO THE
COMMENCEMENT OF ANY LAND-DISTURBING ACTIVITIES.
6.ALL EXISTING VAULTS, MANHOLES, STORM DRAIN STRUCTURES, VALVE
BOXES, CLEANOUTS, ETC. SHALL BE ADJUSTED AS NEEDED TO MATCH
FINISHED GRADE.
7.ALL BACKFILL, COMPACTION, SOILS TESTING, ETC. SHALL BE PERFORMED BY
THE OWNER'S INDEPENDENT TESTING LABORATORY.
8.ALL SPOT ELEVATIONS INDICATED ARE AT TOP OF CURB UNLESS NOTED
OTHERWISE. ALL ELEVATIONS ARE BASED ON VERTICAL DATUM NAVD88.
9.A PRE-CONSTRUCTION MEETING MUST BE SCHEDULED PRIOR TO ANY
WORK, GRADING OR INSTALLATION OF EROSION CONTROL MEASURES.
10.ALL HANDICAP PARKING SPACES AND STRIPED ACCESSIBILITY AISLES ARE
TO HAVE NO MORE THAN A 1:50 (2.0%) SLOPE IN ALL DIRECTIONS. ALL
SIDEWALKS ARE TO HAVE NO MORE THAN A 1:20 (5.0%) SLOPE FOR THE
LENGTH OF THE SIDEWALK AND NO MORE THAN A 1:50 (2.0%) SLOPE FOR
THE WIDTH OF THE SIDEWALK.
11.CONTRACTOR TO IDENTIFY ALL NECESSARY SPILL CURB SECTION
LOCATIONS AND INSTALL TO ENSURE POSITIVE DRAINAGE TO STORM
STRUCTURES.
12.IF CONTRACTOR NOTICES ANY DISCREPANCIES IN ANY OF THESE SLOPE
REQUIREMENTS, IT IS THE CONTRACTOR'S RESPONSIBILITY TO CONTACT
THE OWNER PRIOR TO POURING ANY CONCRETE SO THAT A SOLUTION CAN
BE FOUND.
13.SPOT ELEVATIONS ARE GIVEN AT THE MAJORITY OF THE MAJOR BREAK
POINTS BUT IT SHOULD NOT BE ASSUMED THAT ALL NECESSARY SPOT
ELEVATIONS ARE SHOWN. DUE TO SPACE LIMITATIONS, THERE MAY BE
OTHER CRITICAL SPOTS NOT LABELED THAT SHOULD BE TAKEN INTO
CONSIDERATION. THE CONTRACTOR SHALL REVIEW THE GRADING PLAN IN
DETAIL AND SHALL ENSURE THAT ALL CRITICAL GRADE POINTS ARE STAKED
AND FOLLOWED TO PROVIDE POSITIVE DRAINAGE.
14.EXISTING VEGETATION WITHIN TREE PROTECTIVE AREAS SHALL REMAIN
UNDISTURBED UNLESS NOTED OTHERWISE. ANY AND ALL LANDSCAPING
AND EXISTING TREES AND SHRUBS TO REMAIN WHICH ARE DAMAGED
DURING DEMOLITION OR CONSTRUCTION SHALL BE REPLACED BY THE
CONTRACTOR USING A LICENSED LANDSCAPE CONTRACTOR AT NO
ADDITIONAL COST TO THE OWNER.
15.THE GRADING CONTRACTOR SHALL COMPLY WITH ALL STATE CODES IN
OBSERVING EROSION CONTROL MEASURES BOTH ON AND OFF-SITE. THE
GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL DEVICES
AFTER EACH RAINFALL EVENT OR AS DIRECTED BY THE EROSION CONTROL
INSPECTOR OR THE ENGINEER.
16.THE GRADING CONTRACTOR SHALL BE RESPONSIBLE FOR OFF-SITE
DISPOSAL OF ALL CLEARING AND GRADING WASTE MATERIALS GENERATED
DURING CONSTRUCTION AND FOR OBTAINING ALL APPLICABLE PERMITS FOR
OFF-SITE STOCKPILES AND/OR WASTE AREAS.
17.ALL CATCH BASINS MUST BE MARKED "DUMP NO WASTE DRAINS TO
STREAM" OR EQUIVALENT.
18.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER
CONTROL MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY.
COORDINATE WITH ILM CONTACT ON EXACT LOCATION. REFER TO INSET.
GRADING PLAN KEYNOTES
NUMBER DESCRIPTION
CG01 TAPER CURB AND GUTTER TO FULL HEIGHT OVER 10' (TYP.);
REFER TO DETAIL CK-135.
CG03 DAYLIGHT ROOF DRAIN DOWN SPOUTS TO GRADE (TYP.). REFER
TO DETAIL CK-215.
CG05 STORM CLEANOUT; REFER TO DETAIL CK-210. TRAFFIC RATED IF
WITHIN PAVEMENT (TYP.).
CG06 ROOF DRAIN SYSTEM, REFER TO PLAN FOR SIZE AND MATERIAL.
MINIMUM COVER OF 2' AND MINIMUM SLOPE OF 1.00%.
CG09 DAYLIGHT CANOPY DRAINS OUTLET TO GRADE (TYP.)
G23 ADA STALLS (MAX SLOPE 1:50)
G24 SIDEWALK (ADA ACCESS ROUTE MAX CROSS SLOPE 1:50; MAX
LONG. SLOPE 1:20)
G30 MATCH EXISTING PAVEMENT ELEVATION
G31 RIP RAP PAD OVER FILTER FABRIC (REFER TO SIZING CHART)
G32 RISER STRUCTURE
G40 24" CONCRETE FLUME
G41
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
G42 CIRCLE K FUNDED CONSTRUCTION WORK
G43 ILM FUNDED CONSTRUCTION WORK
G44 VARIABLE WIDTH SCM ACCESS EASEMENT
RIPRAP SIZING CHART
·EW101
CLASS 'B'
12'L X 6'W X 18"D
·EW102
CLASS 'B'
16'L X 6'W X 18"D
·EW104
CLASS 'B'
12'L X 6'W X 18"D
·EW108
CLASS 'A'
6'L X 4.5'W X 12"D
·EW200
CLASS 'B'
18'L X 9'W X 18"D
·EW202, 204, & 206
CLASS 'I'
40'L X 22'W X 24"D
·FE214
CLASS 'A'
6'L X 4.5'W X 12"D
·FE301
CLASS 'A'
6'L X 4.5'W X 12"D
·FE303
CLASS 'A'
8'L X 6'W X 12"D
JOB NO.
SHEET NO.
SCALE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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09/02/2020
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37630.054
NA
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8
3
0
SCALE 1"=40'
80'40'
EXISTING VARIABLE
SUPER ELEVATION
MATCH EXISTING
SUPER ELEVATION
EXISTING ASPHALT
PROPOSED ASPHALT
MILL 1.5" EXISTING ASPHALT.
OVERLAY WITH 1.5" OF SF-9.5A.
N 23RD STREET WIDENING - TYPICAL SECTION (NTS)
3:
1
M
A
X
3:1
M
A
X
VARIES
(2' TYP.)
VARIES 6'6' TYP.
EXISTING VARIABLE
SUPER ELEVATION
EXISTING ASPHALT
AIRPORT BLVD - TYPICAL SECTION X-X (NTS)
EXISTING VARIABLE
SUPER ELEVATION
EXISTING ASPHALTEXISTING GRADE
FINISHED GRADE
4% MIN.4% M
I
N
.
PROPOSED 1'-6" MEDIAN CURB (TYP.)
EXISTING VARIABLE
SUPER ELEVATION
EXISTING ASPHALT
AIRPORT BLVD - TYPICAL SECTION Y-Y (NTS)
EXISTING ASPHALT
EXISTING VARIABLE
SUPER ELEVATION
VARIES 6'
MIN.
6'
MIN.
VARIES (2 FEET ±)
3:1
M
A
X
3:1 MAX
MATCH EXISTING
SUPER ELEVATION (2% MIN.)
PROPOSED
ASPHALT
4%4%
MILL 1.5" EXISTING ASPHALT.
OVERLAY WITH 1.5" OF SF-9.5A.
4%
GRADING AND STORM DRAINAGE NOTES
1.CONTRACTOR SHALL CALL "NORTH CAROLINA ONE CALL" (811) AT LEAST 3-12
BUSINESS DAYS PRIOR TO DIGGING TO HAVE EXISTING UTILITIES LOCATED.
REPORT ANY DISCREPANCIES TO THE ENGINEER.
2.CONTRACTOR TO COORDINATE ACTIVITIES WITH UTILITY COMPANIES
INVOLVED IN ANY RELATED RELOCATION (I.E. POWER POLES, TELEPHONE
PEDESTALS, WATER METERS, ETC.).
3.EXISTING UTILITIES SHOWN ARE BASED ON FIELD SURVEYS AND THE BEST
AVAILABLE RECORD DRAWINGS. THE CONTRACTOR SHALL VERIFY
CONDITIONS PRIOR TO BEGINNING CONSTRUCTION. ANY DISCREPANCIES
BETWEEN ACTUAL FIELD CONDITIONS AND THE PLANS SHALL BE REPORTED
TO THE ENGINEER IMMEDIATELY.
4.THE CATCH BASINS AND YARD INLETS SHALL BE CONSTRUCTED IN THE
LOCATIONS SHOWN UNLESS OTHERWISE DIRECTED BY THE ENGINEER. THE
CONTRACTOR IS RESPONSIBLE FOR REPORTING ANY DISCREPANCIES IN
THE CATCH BASIN ELEVATIONS OR THE PROPOSED PIPE SLOPES TO THE
ENGINEER. THE CONTRACTOR IS ALSO RESPONSIBLE TO REPORT ANY
CONFLICTS BETWEEN ANY UTILITY, STORM DRAIN LINE, WATER LINE, SEWER
LINE OR ANY OTHER PROPOSED OR EXISTING STRUCTURE TO THE
ENGINEER.
5.A LAND DISTURBING PERMIT WILL BE REQUIRED PRIOR TO THE
COMMENCEMENT OF ANY LAND-DISTURBING ACTIVITIES.
6.ALL EXISTING VAULTS, MANHOLES, STORM DRAIN STRUCTURES, VALVE
BOXES, CLEANOUTS, ETC. SHALL BE ADJUSTED AS NEEDED TO MATCH
FINISHED GRADE.
7.ALL BACKFILL, COMPACTION, SOILS TESTING, ETC. SHALL BE PERFORMED BY
THE OWNER'S INDEPENDENT TESTING LABORATORY.
8.ALL SPOT ELEVATIONS INDICATED ARE AT TOP OF CURB UNLESS NOTED
OTHERWISE. ALL ELEVATIONS ARE BASED ON VERTICAL DATUM NAVD88.
9.A PRE-CONSTRUCTION MEETING MUST BE SCHEDULED PRIOR TO ANY
WORK, GRADING OR INSTALLATION OF EROSION CONTROL MEASURES.
10.ALL HANDICAP PARKING SPACES AND STRIPED ACCESSIBILITY AISLES ARE
TO HAVE NO MORE THAN A 1:50 (2.0%) SLOPE IN ALL DIRECTIONS. ALL
SIDEWALKS ARE TO HAVE NO MORE THAN A 1:20 (5.0%) SLOPE FOR THE
LENGTH OF THE SIDEWALK AND NO MORE THAN A 1:50 (2.0%) SLOPE FOR
THE WIDTH OF THE SIDEWALK.
11.CONTRACTOR TO IDENTIFY ALL NECESSARY SPILL CURB SECTION
LOCATIONS AND INSTALL TO ENSURE POSITIVE DRAINAGE TO STORM
STRUCTURES.
12.IF CONTRACTOR NOTICES ANY DISCREPANCIES IN ANY OF THESE SLOPE
REQUIREMENTS, IT IS THE CONTRACTOR'S RESPONSIBILITY TO CONTACT
THE OWNER PRIOR TO POURING ANY CONCRETE SO THAT A SOLUTION CAN
BE FOUND.
13.SPOT ELEVATIONS ARE GIVEN AT THE MAJORITY OF THE MAJOR BREAK
POINTS BUT IT SHOULD NOT BE ASSUMED THAT ALL NECESSARY SPOT
ELEVATIONS ARE SHOWN. DUE TO SPACE LIMITATIONS, THERE MAY BE
OTHER CRITICAL SPOTS NOT LABELED THAT SHOULD BE TAKEN INTO
CONSIDERATION. THE CONTRACTOR SHALL REVIEW THE GRADING PLAN IN
DETAIL AND SHALL ENSURE THAT ALL CRITICAL GRADE POINTS ARE STAKED
AND FOLLOWED TO PROVIDE POSITIVE DRAINAGE.
14.EXISTING VEGETATION WITHIN TREE PROTECTIVE AREAS SHALL REMAIN
UNDISTURBED UNLESS NOTED OTHERWISE. ANY AND ALL LANDSCAPING
AND EXISTING TREES AND SHRUBS TO REMAIN WHICH ARE DAMAGED
DURING DEMOLITION OR CONSTRUCTION SHALL BE REPLACED BY THE
CONTRACTOR USING A LICENSED LANDSCAPE CONTRACTOR AT NO
ADDITIONAL COST TO THE OWNER.
15.THE GRADING CONTRACTOR SHALL COMPLY WITH ALL STATE CODES IN
OBSERVING EROSION CONTROL MEASURES BOTH ON AND OFF-SITE. THE
GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL DEVICES
AFTER EACH RAINFALL EVENT OR AS DIRECTED BY THE EROSION CONTROL
INSPECTOR OR THE ENGINEER.
16.THE GRADING CONTRACTOR SHALL BE RESPONSIBLE FOR OFF-SITE
DISPOSAL OF ALL CLEARING AND GRADING WASTE MATERIALS GENERATED
DURING CONSTRUCTION AND FOR OBTAINING ALL APPLICABLE PERMITS FOR
OFF-SITE STOCKPILES AND/OR WASTE AREAS.
17.ALL CATCH BASINS MUST BE MARKED "DUMP NO WASTE DRAINS TO
STREAM" OR EQUIVALENT.
18.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER
CONTROL MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY.
COORDINATE WITH ILM CONTACT ON EXACT LOCATION. REFER TO INSET.
GRADING PLAN KEYNOTES
NUMBER DESCRIPTION
CG01 TAPER CURB AND GUTTER TO FULL HEIGHT OVER 10' (TYP.);
REFER TO DETAIL CK-135.
CG03 DAYLIGHT ROOF DRAIN DOWN SPOUTS TO GRADE (TYP.). REFER
TO DETAIL CK-215.
CG05 STORM CLEANOUT; REFER TO DETAIL CK-210. TRAFFIC RATED IF
WITHIN PAVEMENT (TYP.).
CG06 ROOF DRAIN SYSTEM, REFER TO PLAN FOR SIZE AND MATERIAL.
MINIMUM COVER OF 2' AND MINIMUM SLOPE OF 1.00%.
CG09 DAYLIGHT CANOPY DRAINS OUTLET TO GRADE (TYP.)
G23 ADA STALLS (MAX SLOPE 1:50)
G24 SIDEWALK (ADA ACCESS ROUTE MAX CROSS SLOPE 1:50; MAX
LONG. SLOPE 1:20)
G30 MATCH EXISTING PAVEMENT ELEVATION
G31 RIP RAP PAD OVER FILTER FABRIC (REFER TO SIZING CHART)
G32 RISER STRUCTURE
G40 24" CONCRETE FLUME
G41
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
G42 CIRCLE K FUNDED CONSTRUCTION WORK
G43 ILM FUNDED CONSTRUCTION WORK
G44 VARIABLE WIDTH SCM ACCESS EASEMENT
RIPRAP SIZING CHART
·EW101
CLASS 'B'
12'L X 6'W X 18"D
·EW102
CLASS 'B'
16'L X 6'W X 18"D
·EW104
CLASS 'B'
12'L X 6'W X 18"D
·EW108
CLASS 'A'
6'L X 4.5'W X 12"D
·EW200
CLASS 'B'
18'L X 9'W X 18"D
·EW202, 204, & 206
CLASS 'I'
40'L X 22'W X 24"D
·FE214
CLASS 'A'
6'L X 4.5'W X 12"D
·FE301
CLASS 'A'
6'L X 4.5'W X 12"D
·FE303
CLASS 'A'
8'L X 6'W X 12"D
32
32
31
31
30
30
30
29
29
2
9
29
28
28
28
28
28
28
28
2
8
27
27 27
27
27
27
27
2
7
2
7
27
27
27
26
26
26
26
26
26
2
6
26
2
6
26
2
6
2
6
2
6
26
26
26 26
26
26
26 26
26
26
2
6
26
2
6
2
5
25
2
5
25
25
25
25
25
2
5
25
2
5
25
25
25
25
25252525
2
5
25 25 25 25 25
25 25
25
25
25
2525
252525
25
2525
25
24
2
4
24
24
24
2424
24 24
24 24 24 24 24
242424
242424
24
2
4
2
4
24
24
24
24
2
4
2
4
24
24
2
4
24
24
24
24 24
24 24 2
4 24
24
24
2424
242424
24
24
24
24
24
2424
24242424
24
24
24
24
24
24
24
24
24
24
2424
2
4
24
24
24
23
23 23
2323
23
23
23 23 23 23
23
2
3 23
23
23
2
3
2
3
23
23
2
3
2
3
23
2
3
2
3
2
3
23
23
2
3
23
2323
23
23
23
23
23
2
3
23
23
23
2
3
2323
23
23
23
23
23
2
3
23
23
23
23
23
2
3
23
23
23
23
23
23
23
2
3
2
3
23
23
2
3
22
22
22
22
22
22
22
22
22
2
2
22
22
22
2
2
22
22
22
22
22
2
2
2
2
22
22
22
22
22
22
22
22
22
22
22
22
22
2
2
22
2
2
22
22
22 22
22
22
22
22
2
2
2
2
2
221
21
2121
21
21
21
2
1
21
2
1
21
2
1
21
2
1
21
21
2
1
2
1
21
2
1
2
1
21
21
21
21
21
21
2
1
2
1
21
21
2
1
2
0
2
0
2020
20
20
20
2
0
2
0
2
0
20
20
20
20
20
20
20
2
0
20
2020
2
0
20
20
2
0
20
20
2
0
2
0
2
0
20
2
0
20
2
0
2
0
20
20
1
9
1
9
1
9
19
19
19
19
19
1
9
1
9
19
19
19
19
19
1
9
1
9
1
9
1
9
1
9
19
19
1
9
1
9
1
9
18
18
18
1
8
18
1
8
1
8
18
18
1
8
18
18
1
8
18
1
8
1
8
1
8
1
8
1
8
1
8
17
1
7
17
1
7
1
7
17
17
1
7
1
7
17
1
7
1
7
16
16
16
1
6
16
16
1
6
16
1
61
6
1
6
1
5
15
1
5
1
5
15
1
5
1
5
1
4
1
4
13
W
W
W
W
W
W
W
W
W
W
W
W
W
W
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SANSANSANSANSANSANSAN
SA
N
SA
N
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SA
N
SA
N
SA
N
SA
N
W W W W W W W W W W W W W W W
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
PAVE
M
E
N
T
P
A
V
E
M
E
N
T
GRAV
E
L
GRAVEL
CONC.CONC.
WETLANDS
5,968± SQ. FT.
0.14± AC.
UGP
UGT UGT
UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP
UGT UGT UGT UGT
UGT UGT UGT UGT UGT UGT UGT UGT UGT
SA
N
SA
N
36
"
R
C
P
1
5
"
R
C
P
1
5
"
R
C
P
1
8
"
R
C
P
24" RCP
24
"
R
C
P
X
X
X
X
X
INV=19.05
DI
RIM=21.77
INV(N)=19.46
INV(S)=19.47
INV=20.30
INV=21.18
BOTTOM=15.26
DI
RIM=21.59
INV(N)=13.27
INV(S)=13.04
INV=16.58
INV=19.40
INV=16.81
END UNKNOWN
WETLANDS
1,836± SQ. FT.
0.04± AC.
WETLAND
1,174± SQ. FT.
0.03± AC.
WETLAND
1,102± SQ. FT.
0.03± AC.
G G G G G G G G G G G G G G G G
GAS LINE DRAWN FROM
NCDOT PLANS GAS LINE DRAWN FROM
NCDOT PLANS
X
X
X
INV=14.72
15" DIP
END UNKNOWN
INTERMITTENT
STREAM
WETLAND
447± SQ. FT.
0.01± AC.
FM
FM
FM
8
"
W
A
T
E
R
L
I
N
E
36
"
R
C
P
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
INTERMITTENT
STREAM BUFFER
RELATIVELY PERMANENT
WATER
2,108± SQ. FT.
0.05± AC.
20
16 17 18 19
20
16 17 18 19 21 22 2323
15
17
20
G43
EW206
EW205
JB201
EW203
RS202B
EW200
42" RCP
30" RCP 30" RC
P
EW204
15
16
17
18
19
1
5
2
0
1
6
1
7
1
8
1
9
21
1
5
2
0
1
6
1
7
1
8
1
9
42" RCP
8''W
8''W
8'
'
W
S
SAN
S
SA
N
S
SA
N
SAN SAN
13
18
18
13
18
14
18
15
15
36"
R
C
P
JB211
42
"
R
C
P
EW210
EW207
30" R
C
P
JB208
3
0
"
R
C
P
EW209
EW212
G44
G44
G44
G44
2223
20
15
20
19
22
2021 2021
2122
2
2
23
21
22
20
30"
R
C
P
YI213
FE214
18" RCP
FE215
22
23
19
2
0
23
20 20
22
19
20
22
23
22
23
20
20
2
2
21
21
2
0
2
1
22
23
18
20
15
19 2223
19
20
22
20
20
20
15
15
1
4
14 14
15
20
20
20
1313
G31
EW400
STORM STRUCTURE TABLE
STRUCTURE #
EW100
EW101
EW102
EW103
EW104
EW107
EW108
EW109
EW200
EW203
EW204
EW205
EW206
EW207
EW209
EW210
EW212
EW300
EW400
FE214
FE215
FE301
FE302
JB105
JB201
JB208
JB211
RS101A
RS202B
YI106
YI213
TOP
16.38
15.72
18.33
18.43
18.83
23.27
25.38
25.59
16.22
18.34
18.64
18.21
18.51
18.22
21.58
18.76
22.12
-2.91
0.00
20.81
20.96
25.90
25.33
25.60
20.00
23.20
23.00
18.50
18.00
22.08
18.85
DESCRIPTION
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.01 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
NCDOT 838.80 CONCRETE ENDWALL
FLARED END SECTION
FLARED END SECTION
FLARED END SECTION
FLARED END SECTION
NCDOT 840.34 TRAFFIC BEARING JUNCTION BOX
NCDOT 840.34 TRAFFIC BEARING JUNCTION BOX
NCDOT 840.34 TRAFFIC BEARING JUNCTION BOX
NCDOT 840.34 TRAFFIC BEARING JUNCTION BOX
RISER STRUCTURE; SEE DETAIL
RISER STRUCTURE; SEE DETAIL
NCDOT 840.14 CONCRETE DROP INLET
NCDOT 840.18 CONCRETE DROP INLET
STORM PIPE TABLE
PIPE #
EW-EXPIPE2
EW-EXPIPE1
101A-101
103-102
105-104
106-105
107-106
109-108
201-200
202-201
204-203
206-205
208-207
209-208
211-210
212-211
213-211
215-214
302-301
UPSTREAM
INVERT
14.00
19.96
14.35
16.35
16.93
18.25
21.75
22.71
12.89
13.05
14.55
14.55
15.08
19.20
15.04
18.70
15.60
19.15
23.52
DOWNSTREAM
INVERT
13.97
19.92
14.20
16.00
16.50
17.31
19.07
22.51
12.80
12.93
14.25
14.25
14.80
18.90
14.80
18.20
15.24
19.01
23.20
SLOPE
0.47%
0.48%
0.32%
0.82%
1.00%
1.00%
3.00%
0.30%
0.30%
0.30%
1.00%
1.00%
1.00%
0.54%
1.00%
0.87%
0.50%
0.30%
0.35%
LENGTH
7.42 LF
8.00 LF
46.59 LF
42.86 LF
42.75 LF
93.60 LF
89.24 LF
68.21 LF
30.00 LF
39.27 LF
30.00 LF
30.00 LF
27.64 LF
55.37 LF
23.73 LF
57.63 LF
71.34 LF
47.43 LF
92.29 LF
DESCRIPTION
24 inch RCP
24 inch RCP
18 inch RCP
30 inch RCP
30 inch RCP
24 inch RCP
15 inch RCP
18 inch Class IV RCP
30 inch RCP
30 inch RCP
42 inch RCP
42 inch RCP
30 inch RCP
30 inch RCP
42 inch RCP
36 inch RCP
30 inch RCP
18 inch RCP
18 inch Class IV RCP
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
RE
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AS SHOWN
s:
\
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7
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3
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-
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|
P
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2
0
1
2
:
1
3
P
M
|
b
y
Ja
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o
b
D
o
o
l
e
y
ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
V
I
S
I
O
N
P
E
R
C
F
P
U
A
R
E
V
I
E
W
09
/
1
1
/
2
0
2
0
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
S
T
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R
M
W
A
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R
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B
M
I
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T
A
L
09
/
2
1
/
2
0
2
0
BI
D
S
E
T
12
/
0
4
/
2
0
2
0
RE
V
I
S
I
O
N
S
P
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R
N
H
C
,
N
C
D
O
T
,
A
N
D
C
F
P
U
A
12
/
0
3
/
2
0
2
0
C3.1
GR
A
D
I
N
G
A
N
D
D
R
A
I
N
A
G
E
P
L
A
N
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
L
E
K
-
N
T
I
A
I
R
P
O
R
T
B
L
V
D
W
I
L
M
I
N
G
T
O
N
-
N
C
.
1
1
5
WI
L
M
I
N
G
T
O
N
-
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
-
NO
R
T
H
C
A
R
O
L
I
N
A
37630.054
NA
D
8
3
0
SCALE 1"=40'
80'40'
NOTES:
1.TOP REFERS TO:
1.1.CATCH BASIN: TOP OF CURB
1.2.YARD INLET: SILL
2.SD* - SEE RISER DETAIL
PROJECT
SITE
STOCKPILE
SITE
STOCKPILE SITE LOCATION INSET - NOT TO SCALE
24" R
C
P
28
28
28 28
28
28
28
28
28
27
27
27
27
27
27
27
27
27
27
2727
27
27
27 27 27 27
27
2
6
26
26
2
6
26
2
6
26
26
26
26
26
2
6
26
26
26 26
26
26 26 26
26
26
26
26
26
26
26
26
26
26
26
26 26 26
26
25
25
25 25
2
5
25
25
25
25
25 25 25
25
25
25
25
25
2525
25
2
5
25
25
25
25
25
2525
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
2424
24
24
24
24
2
4
24
242424
2
4
24
24
24
2
4
24
24
24
24
24
24
2
4
2
4
2424
24
24
24
24
24
24
24
24
24
2
3
23
2
3
23
2
3
2
3
2
3
2
3
2
3
23
2
3
2
3
2
3
2
3
2
3
23
23 23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
2
3
23
23
2323
23
23
23
23
2323
23
2
3
23
23
23
23
2
3
2
3
23
23
2
2
2
2
22
22
2
2
2
2
2
2
2
2
2
2
2
2
2
2
22
22
22
22
2
2
22
22
22
2
2
2
2
2
2
2
2
2
2
22
2
2
22
22
22
22
22
22
2
2
22
22
22
22
22
2
2
2
2
22
2
2
22
22
22
22
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
21
2
1
21
21
21
2
1
21
21
21
21
21
2
1
2
1
21
21
2
1
2
1
2
1
2
1
2
1
21
21
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
20
20
2
0
20
20
2
0
2
0
2
0
2
0
2
0
2
0
1
9
1
9
1
9
1
9
1
9
1
9
1
9 19
19
1
9
1
9
1
9
1
8
1
8
1
8
1
8
1
8
1817
1
7
1
7
1
7
1
7
1
6
1
6
1
6
1
5
W
W
S
A
N
S
A
N
S
A
N
S
A
N
W
W
W
W
W
W
W
W
W
W
W
W
W
W
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
W W W W W W W W W
EDGE OF PAVEM
E
N
T
CURB
&
G
U
T
T
E
R
CURB
&
G
U
T
T
E
R
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE OF PAVEMENT
O
H
T
O
H
T
O
H
T
O
H
T
G
G
G
G
G
G
G
G
G
G
G
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
U
G
P
U
G
P
U
G
P
U
G
P
UG
P
UGP
UG
P
UGP
UGP
UGP
UGP
UGP
UGP
UGP UGP UGP UGP UGP
UGT
UGT
UGT
UGT
UGT
UGT
UGT
UGT UGT UGT UGT UGT UGT
WATER VAULT
DITCH
DI
T
C
H
DIT
C
H
D
I
T
C
H
D
I
T
C
H
X
X
X
X
X
X
X
UGT
UG
T
U
G
T
U
G
T
U
G
T
U
G
T
INV=16.92
INV=13.97
INV=13.57
INV=16.52
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
24" RC
P
G
G
G
G
G
G
G
G
G
G G G G G G
GAS L
I
N
E
D
R
A
W
N
F
R
O
M
NCDO
T
P
L
A
N
S
GAS LINE DRAWN FROM
NCDOT PLANS
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
S
T
I
N
G
N
E
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
R
O
A
D
)
VARIA
B
L
E
W
I
D
T
H
R
O
W
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
NTI-F
S
-
P
R
O
T
O
T
Y
P
E
-
5200
S
Q
.
F
T
.
-
0
6
/
0
5
/
2
0
2
0
CK N
A
T
I
O
N
A
L
U
P
D
A
T
E
PRIV
A
T
E
S
T
R
E
E
T
(NHC
L
O
C
A
L
S
T
A
N
D
A
R
D
S
)
T
8
'
'
W
8
'
'
W
8''W
8''W
8''W
8''W
S
S
SA
N
S
SAN
SAN
W
W
W
TC
24.23'
TC
26.53'
TC
26.77'
FC
26.37'
FC
25.86'
FC
25.86'
FC
25.86'
FC
25.88'
TC
25.34'
TC
26.29'
TC
26.50'
TC
26.53'
TC
26.56'
TC
26.35'
TC
26.24'
PVMT
26.05'
PVMT
25.97'
PVMT
24.89'
PVMT
25.23'
TC
26.27'
TC
26.27'
TC
25.93'
TC
26.08'
TC
25.99'
TC
25.47'
TC
26.77'GND
25.68'
GND
25.68'
FC
25.86'
FC
25.86'
GND
25.99'
TC
24.79'
PVMT
27.92' ± (ME)
PVMT
28.17'
PVMT
27.67'
PVMT
27.79'
PVMT
28.03' ± (ME)
PVMT
22.36' ± (ME)
PVMT
21.94'
PVMT
22.15'
PVMT
27.96'
PVMT
27.75' ± (ME)
PVMT
27.77' ± (ME)
PVMT
28.08' ± (ME)
PVMT
28.27' ± (ME)
PVMT
22.10' ± (ME)
PVMT
22.21' ± (ME)
PVMT
22.79' ± (ME)
PVMT
22.72'
PVMT
23.19' ± (ME)
PVMT
23.26'
PVMT
23.56' ± (ME)
PVMT
23.75'
PVMT
23.76' ± (ME)
PVMT
24.06'
PVMT
24.00'
PVMT
23.46' ± (ME)
PVMT
23.45'
PVMT
22.94' ± (ME)
PVMT
22.92' ± (ME)
PVMT
23.49'
PVMT
23.75'
PVMT
23.31' ± (ME)
PVMT
23.49' ± (ME)
TC
26.75' ± (ME)
TC
26.76' ± (ME)
TC
27.55'
TC
27.90'
TC
27.74'
PVMT
27.89' ± (ME)
PVMT
28.16' ± (ME)
15
1
9
23
2
0
2
3
2
0
2
3
2
1
1
8
2
0
2
0
2
2
2
3
2
0
2
2
2
3
2
4
28
28
26
27
28
2
3
2
3
25
23
24
2
4
24
25
25
25
2
4 24
2
6
2
6 2
6
2324
23
24
24
25
17
18
1920
171819
21
22
23
24
2
0
1
7
1
8
1
9
21
20
201717
18 18
19
19 21 22 23 24
20 192122
2
5
24
PVMT
24.60'
G41
G42
G43
G43
TC
23.94'TC
23.97'
PVMT
25.73'
PVMT
24.77'
FC
25.88'TC
26.03'
2
5
2
4
2
3
2
3
2
5
2
5
2
4 2
5
2
6
24
25
24 23
25
26
26
25
1
7
2
0
1
7
2
0
2
2
1
9
1
6
202021
24
2
3
2
3
22
GND
25.95'GND
25.89'
PVMT
26.91' ± (ME)
PVMT
26.16' ± (ME)
PVMT
26.36'
PVMT
24.59'
PVMT
24.59'
PVMT
21.98'
22
25
2
5
2
5
25
2
5
24 GND
24.64'
GND
24.52'
GND
25.47'
GND
25.59'
GND
25.49'
GND
25.35'GND
25.21'
GND
25.07'
GND
24.93'
GND
24.79'
GND
24.65'
GND
24.99'
GND
25.11'
25
24
24
25
GRADING PLAN KEYNOTES
NUMBER DESCRIPTION
G41
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
G42 CIRCLE K FUNDED CONSTRUCTION WORK
G43 ILM FUNDED CONSTRUCTION WORK
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
RE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
V
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D
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12
/
0
4
/
2
0
2
0
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C
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N
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A
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D
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12
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0
3
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2
0
2
0
C3.2
SP
O
T
G
R
A
D
I
N
G
P
L
A
N
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
L
E
K
-
N
T
I
A
I
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P
O
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T
B
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W
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I
N
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T
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N
-
N
C
.
1
1
5
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L
M
I
N
G
T
O
N
-
NE
W
H
A
N
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C
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Y
-
NO
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T
H
C
A
R
O
L
I
N
A
37630.054
NA
D
8
3
0
SCALE 1"=40'
80'40'
SPOT ELEVATION LEGEND
TC = TOP OF CURB
ME = MATCH EXISTING
GND = GROUND
SWK = SIDEWALK
TW = TOP OF WALL
BW = BOTTOM OF WALL
HP = HIGH POINT
FC = FLUSH CURB
EP = EDGE OF PAVEMENT
PVMT = PAVEMENT
GAS CANOPY SPOT GRADE INSET - SCALE 1" = 30'
2
6
26
2
5
25
25
2
5
25
25
25
2
5
25
25
25
25
24
24
24
24
24
24
24
2424
24
24
2
4
2
3
23
2
3
2
3
23
23
23
23
23
23
2
3
2
3
22
2
2
2
2
2
2
2
2
22
22
22
22
22
22
22
21
2
1
21
2
1
21
21
21
21
2
0
2
0
20
2
0
20
20
1
9
19
19
19
1
8
1
8
18
17
1
7
1
6
15
SA
N
SA
N
W
W
W
W
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
G
G
G
G
G
W
W
W
W
UG
P
UG
P
UG
T
UG
T
8''
W
8
'
'
W
8'
'
W
SAN
S
S
S
A
N
S
A
N
SAN WWW
W
PRIVATE STREET
(NHC LOCAL STANDARDS)
10+00 11+00 12+00 13+00 14+00 14+48.33
A
A
G41
G42
G43
G42 20
20
17
1718
18
19
19
21
21
22
22
23
23
24
20
20
1
6
16
17
17
18
18
19
19
21
22
25
25
23
23
24
24
2
5
2
5
25
2
2
2
2
23
23
2
3
2
3
24
24
2
4
2
4
STREET-EW
10
15
20
25
30
10
15
20
25
30
22
.
2
23
.
2
2
1
.
7
22
.
4
2
2
.
8
2
3
.
3
2
3
.
5
24
.
0
2
4
.
3
2
4
.
5
2
4
.
1
2
5
.
1
2
5
.
1
2
5
.
1
2
5
.
8
2
5
.
8
2
5
.
9
2
5
.
7
2
5
.
7
10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+48.33
23
.
1
7
23
.
5
8
23
.
9
0
24
.
1
2
24
.
3
1
24
.
5
0
24
.
6
9
24
.
8
8
25
.
0
7
25
.
2
6
25
.
4
5
25
.
6
4
25
.
7
9
25
.
6
8
25
.
3
1
24
.
9
0
24
.
8
5
24
.
6
7
50' VC
K = 55.97
A.D. = -0.89%
PVI ELEV = 23.87
PVI STA = 10+67.37
HIGH PT STA = 10+92.37
HIGH POINT ELEV = 24.06
BV
C
S
=
1
0
+
4
2
.
3
7
BV
C
E
=
2
3
.
4
6
EV
C
S
=
1
0
+
9
2
.
3
7
EV
C
E
=
2
4
.
0
6
50' VC
K = 20.76
A.D. = -2.41%
PVI ELEV = 25.92
PVI STA = 13+37.85
HIGH PT STA = 13+28.57
HIGH POINT ELEV = 25.79
BV
C
S
=
1
3
+
1
2
.
8
5
BV
C
E
=
2
5
.
7
3
EV
C
S
=
1
3
+
6
2
.
8
5
EV
C
E
=
2
5
.
5
1
1.65%
0.76%-1.65%
2.00%
PV
I
S
T
A
=
1
0
+
2
4
.
8
6
PV
I
E
L
E
V
=
2
3
.
1
7
PV
I
S
T
A
=
1
4
+
1
4
.
9
6
PV
I
E
L
E
V
=
2
4
.
6
5
PV
I
S
T
A
=
1
4
+
2
7
.
9
3
PV
I
E
L
E
V
=
2
4
.
9
1
EXISTING GRADE
FINISHED GRADE
EXISTING GAS LINE.
DEPTH UNKNOWN.
EXISTING SANITARY SEWER.
DEPTH UNKNOWN.
EXISTING FORCE MAIN.
DEPTH UNKNOWN.
EXISTING FORCE MAIN.
DEPTH UNKNOWN.
EXISTING FORCE MAIN.
APPROXIMATE DEPTH 15.31'
24 inch RCP
PROPOSED 8" PVC
WATER MAIN
GRADING PLAN KEYNOTES
NUMBER DESCRIPTION
G41
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
G42 CIRCLE K FUNDED CONSTRUCTION WORK
G43 ILM FUNDED CONSTRUCTION WORK
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
RE
V
I
S
I
O
N
D
E
S
C
R
I
P
T
I
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N
YO
U
R
V
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S
I
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N
A
C
H
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V
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D
T
H
R
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G
H
O
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R
S
.
Th
e
s
e
p
l
a
n
s
a
n
d
a
s
s
o
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a
t
e
d
d
o
c
u
m
e
n
t
s
a
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t
h
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x
c
l
u
s
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v
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p
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p
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M
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S
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b
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p
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w
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p
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w
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p
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6
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.
8
3
3
.
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1
2
4
w
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L
I
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N
S
E
N
O
.
C
-
1
6
5
2
AS SHOWN
s:
\
3
3
2
\
3
7
6
3
0
-
0
5
4
-
n
t
i
_
a
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t
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3
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3
0
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4
C
-
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P
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L
E
.
d
w
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|
P
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t
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12
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4
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0
2
0
1
2
:
1
5
P
M
|
b
y
Ja
c
o
b
D
o
o
l
e
y
ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
V
I
S
I
O
N
P
E
R
C
F
P
U
A
R
E
V
I
E
W
09
/
1
1
/
2
0
2
0
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
S
T
O
R
M
W
A
T
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B
M
I
T
T
A
L
09
/
2
1
/
2
0
2
0
BI
D
S
E
T
12
/
0
4
/
2
0
2
0
RE
V
I
S
I
O
N
S
P
E
R
N
H
C
,
N
C
D
O
T
,
A
N
D
C
F
P
U
A
12
/
0
3
/
2
0
2
0
C3.3
PR
I
V
A
T
E
S
T
R
E
E
T
1
-
P
L
A
N
A
N
D
P
R
O
F
I
L
E
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
L
E
K
-
N
T
I
A
I
R
P
O
R
T
B
L
V
D
W
I
L
M
I
N
G
T
O
N
-
N
C
.
1
1
5
WI
L
M
I
N
G
T
O
N
-
NE
W
H
A
N
O
V
E
R
C
O
U
N
T
Y
-
NO
R
T
H
C
A
R
O
L
I
N
A
37630.054
NA
D
8
3
0
SCALE 1"=30'
60'30'
PRIVATE STREET 1 - PLAN VIEW
PRIVATE STREET 1 - PROFILE VIEW
PROFILE SCALE
0
0
30
3
12'12'2'
24' E-E
℄
2%2%
PRIVATE STREET 1
CROSS SECTION A-A
2'
28
27
27
27
27
27
27
27
26
26
2
6
26
2
6
2626
26
26
26
2
6
2
6
26
26
26
26
26
25
25
2
5
25
2
5
2
5
2
5
2
5
2
5
25
25
2
5
2
5
25
25
25
25
25
2
4
24
2
4
2
4
2
4
24
2
4
2
4
2
4
2
4
24
23
2
3
2
3
2
3
2
3
2
3
2
3
W
W
W
W
W
UG
P
UG
P
UG
P
UG
P
UG
T
UG
T
UG
T
UG
T
UG
T
D
I
T
C
H
G
G
G
G
G
G
12
"
P
V
C
8''W
8''W
8''W
8''W
8''W
8''W
SA
N
S
S
SAN
SAN
SA
N
W
10+00
11+00
12+
0
0
13+00
14+00
15
+
0
0
B
B
G41
G42
G43
G43
21
22
23
24
25
25
25
22
22
23
23
23
23
24
24
24
24
25
25
2323
24
24
25
26
2427
25
2
4
26
26
26
27
28
STREET-NS
10
15
20
25
30
2
7
.
7
2
6
.
6
2
4
.
6
2
6
.
3
2
5
.
9
2
5
.
7
2
5
.
6
2
5
.
6
2
5
.
5
2
5
.
4
2
5
.
2
2
5
.
1
2
5
.
3
2
5
.
7
2
5
.
5
2
5
.
4
2
5
.
5
2
5
.
9
2
5
.
8
2
5
.
4
2
4
.
9
2
4
.
0
2
3
.
8
2
3
.
4
2
3
.
3
2
4
.
0
10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 15+00 15+50 16+00
26
.
6
0
26
.
2
8
26
.
0
8
25
.
9
8
25
.
8
9
25
.
8
1
25
.
7
2
25
.
6
3
25
.
5
5
25
.
4
6
25
.
3
7
25
.
2
9
25
.
2
0
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1
1
25
.
0
3
24
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9
4
24
.
8
6
24
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7
7
24
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6
8
24
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5
1
24
.
4
2
24
.
3
4
24
.
2
5
24
.
1
7
50' VC
K = 53.84
A.D. = 0.93%
PVI ELEV = 26.11
PVI STA = 10+61.93
LOW POINT STA = 10+86.93
LOW POINT ELEV = 26.02
BV
C
S
=
1
0
+
3
6
.
9
3
BV
C
E
=
2
6
.
4
3
EV
C
S
=
1
0
+
8
6
.
9
3
EV
C
E
=
2
6
.
0
2
-1.27%
-2.41%
-0.35%
PV
I
S
T
A
=
1
0
+
1
3
.
3
4
PV
I
E
L
E
V
=
2
6
.
8
8
PV
I
S
T
A
=
1
0
+
2
6
.
8
2
PV
I
E
L
E
V
=
2
6
.
5
6
EXISTING GRADE
EXISTING 12" WATER MAIN.
CROWN ELEVATION: 22.62'
EXISTING GAS LINE.
DEPTH UNKNOWN.
EXISTING UNDERGROUND POWER.
CROWN ELEVATION: 24.15'
EXISTING UNDERGROUND TELEPHONE.
CROWN ELEVATION: 24.28'
MH
0
7
ST
A
1
3
+
5
5
.
8
7
TO
P
2
5
.
0
7
IN
V
I
N
1
8
.
9
9
(
C
O
0
1
-
M
H
0
7
)
IN
V
O
U
T
1
8
.
9
9
(
M
H
0
7
-
M
H
0
6
)
ROAD VERTICAL
DESIGN BY OTHERS
GC TO TIE TO EXISTING
12" WATER MAIN;
CROWN ELEVATION: 22.62'
PROPOSED 8" GATE VALVE
PROPOSED 2" DOMESTIC AND
IRRIGATION SERVICE CONNECTION
PROPOSED 6" FIRE HYDRANT SERVICE
PROPOSED 8" PVC WATER MAIN
PROPOSED FIRE
HYDRANT ASSEMBLY
FINISHED
GRADE
3' MIN. COVER
PROPOSED FIRE
HYDRANT ASSEMBLY
MH
0
6
ST
A
1
5
+
1
2
.
4
2
TO
P
2
5
.
3
3
IN
V
I
N
1
8
.
1
0
(
M
H
0
7
-
M
H
0
6
)
IN
V
I
N
1
8
.
1
7
(
C
O
1
0
-
M
H
0
6
)
IN
V
O
U
T
1
8
.
0
0
(
M
H
0
6
-
M
H
0
5
)
18 inch Class IV RCP
12" MIN. COVER
PROPOSED 8" PVC
SEWER MAIN
GRADING PLAN KEYNOTES
NUMBER DESCRIPTION
G41
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
G42 CIRCLE K FUNDED CONSTRUCTION WORK
G43 ILM FUNDED CONSTRUCTION WORK
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
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DRAWN BY
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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09/02/2020
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D
8
3
0
SCALE 1"=30'
60'30'
PRIVATE STREET 2 - PLAN VIEW
PRIVATE STREET 2 - PROFILE VIEW
PROFILE SCALE
0
0
30
3
12'2'
24' E-E
℄
2%
PRIVATE STREET 2
CROSS SECTION B-B
2'
2%
12'
2
6
26
25
25
2
5
24
24
24
24
24
24
23
23
2
3
2
3
23
2
3
23
23 23
23
23
2
3
2
3
2
3
2323
23
2
3 22
22
22
2
2
2
2
2
2
2
2
2
2
22
22
22
2
2
22
22
22
22
22
22
22
22
2
1
2
1
2
1
21
2
1
21
21
2
1
21
21
21
21
21
20
20
2
0
20
20
20
20
2
0
20
20
1
9
1
9
19
19
19
19
19
1
8
1
8
18
18
18
17
1
7
1
7
17
1
7
1
6
1
6
1
6
15
SA
N
W
W
W
W
W
W
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
FM
W
W
W
W
W
W
PRIVATE STREET
(NHC LOCAL STANDARDS)
10
+
0
0
1
0
+
5
0
11
+
0
0
11
+
5
0
12
+
0
0
12+50
13+00 13+50 14+00 14+50 14+84.44
20
20
17
1718
18
19
19
21
21
22
22
23
23
24
20
171819
21
JB105EW104
EW103
EW102
RS101A
EW101
24
"
R
C
P
30" RCP
18" RCP
30" RCP
2
0
20
20
16
16
1
7
17
17
1
8
18
18
19
1
9
19
21
21
2
1
2
2
15
15
2
0
20
20
20
20
16
16
1616
1
7
17
17
17
17
18
18
18
1
8
18
19
1
9
19
19
19
21
22
23
15
20
22
24 25
1
5
17
20
19
19
1
%
M
I
N
.
1%
MIN
.
1%
MIN.
1%
MIN.
1%
MIN.
20
.
5
'
20
.
5
'
20
.
5
'
EW100
10
15
20
25
30
10
15
20
25
30
PROP GRADE 3:1 (GRASS) (TYP)
(SEE BERM EMBANKMENT AND SOIL
COMPACTION SPECIFICATIONS)
TOP OF
BERM
(GRASS) -
10' WIDE
RISER 101A
(SEE DETAIL)
FINISHED
GRADE
EXISTING GRADE
WATER QUALITY
WSE = 17.70'OUTLET TO VEGETATIVE
FILTER STRIP SWALE
CONCRETE PLUNGE POOL
(SEE DETAIL)
RIP RAP OVER FILTER
FABRIC; SEE LOW FLOW
CHANNEL CROSS SECTION
8" CLAY LINER
EXTEND CLAY LINER TO
SPILLWAY AT ELEV. 19.00'
AROUND ENTIRE POND
SEDIMENT DEPTH
INDICATOR(SEE DETAIL)
SHWT = 8" BELOW
EXISTING GRADE
10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 14+00 14+50 14+90
FILTER DIAPHRAGM
(SEE DETAIL)
JB
1
0
5
TO
P
2
5
.
6
0
IN
V
I
N
1
7
.
3
1
(
1
0
6
-
1
0
5
)
IN
V
O
U
T
1
6
.
9
3
(
1
0
5
-
1
0
4
)
105-104
42.75' OF
30" RCP
@ 1.00%
O-RING GASKETED
WATER-TIGHT
EW
1
0
4
IN
V
I
N
1
6
.
5
0
(
1
0
5
-
1
0
4
)
EW
1
0
3
IN
V
O
U
T
1
6
.
3
5
(
1
0
3
-
1
0
2
)
EW
1
0
2
IN
V
I
N
1
6
.
0
0
(
1
0
3
-
1
0
2
)
RS
1
0
1
A
TO
P
1
8
.
5
0
IN
V
O
U
T
1
4
.
3
5
(
1
0
1
A
-
1
0
1
)
EW
1
0
1
IN
V
I
N
1
4
.
2
0
(
1
0
1
A
-
1
0
1
)
101A-101
46.59' OF
18" RCP
@ 0.32%
O-RING GASKETED
WATER-TIGHT
W/ CONCRETE CRADLE
103-102
42.86' OF
30" RCP
@ 0.82%
O-RING GASKETED
WATER-TIGHT
TRASH RACK
CLASS "B" RIP RAP OVER
FILTER FABRIC.
16'L X 6'W X 18"D
8" CLAY LINER
4" TOP SOIL
CLASS "B" RIP RAP
OVER FILTER FABRIC.
12'L X 6'W X 18"D
CLASS "B" RIP RAP
OVER FILTER FABRIC.
12'L X 6'W X 18"D
WSE
100-YR = 18.94'
25-YR = 18.52'
10-YR = 18.14'
2-YR = 17.76'
1-YR = 17.43'
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
E
DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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37630.054
NA
D
8
3
0
SCALE 1"=30'
60'30'
PHASE IIIA DRY POND
PLAN VIEW
PHASE IIIA DRY POND
PROFILE VIEW
PROFILE SCALE
0
0
30
3
EMERGENCY SPILLWAY
(SEE DETAIL)
10' TOP OF BERM
60' VEGETATIVE SWALE
IIIA. SEE CROSS
SECTION.
3:1 SLOPE
SOLID HATCH
DENOTES CLAY LINER
LOW FLOW CHANNEL
(SEE DETAIL)
3:1 SLOPE
MAINTENANCE ACCESS
12:1 SLOPE
FILTER DIAPHRAGM
RIPRAP OVER FILTER
FABRIC. SEE PROFILE.
SOLID HATCH
DENOTES CLAY LINER
PROPOSED PRE TREATMENT GRASS SWALE IIIA
INV. UP = 16.50'
INV. DOWN = 16.35'
SLOPE = 0.10%
DESIGN SIDE SLOPE = 6:1
DESIGN FLOW DEPTH = 0.50'
DESIGN FLOW VELOCITY = 0.61 FPS
DESIGN HRT = 4.1 MIN.
EX 24" RCP
RIPRAP OVER FILTER
FABRIC. SEE PROFILE.
RIPRAP OVER FILTER
FABRIC. SEE PROFILE.
EXTEND EX 24" RCP 7 LF
ON SAME LINE AND
SLOPE.
EX INV. 13.97'
VARIABLE WIDTH SCM
ACCESS EASEMENT
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
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DRAWN BY
DATE
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PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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37630.054
TOP OF RISER
(SEE RISER TABLE)
INSTALL STEPS ON INTERIOR
OF RISER AT 16" PER NCDOT
DETAIL 840.66. STEPS SHALL
ALIGN WITH ACCESS HATCH
ON THE TRASH RACK.
GALVANIZED STEEL
PLATE AT RISER JOINTS.
SEE NOTE #2
NOTES:
1.MANUFACTURER SHALL HAVE STRUCTURAL ENGINEER DESIGN CONCRETE REINFORCEMENT TO SUPPORT WEIGHT OF ANTI-FLOATATION BALLAST.
REINFORCED CONCRETE STRENGTH SHALL BE 3,000 PSI MIN.
2.BOLT A GALVANIZED STEEL PLATE ACROSS EACH RISER JOINT IN (4) LOCATIONS (TYP.). PLATES SHALL BE 4" W X 8" L X 1
4" TH. USE (4) 1
2" X 3" GALVANIZED
BOLTS AT EACH PLATE. USE WATERTIGHT JOINTS CONFORMING TO ASTM C1433.
3.TRASH RACK NOT SHOWN FOR CLARITY. REFER TO TRASH RACK DETAIL FOR TYPE AND INSTALLATION INFORMATION.
RISER 101A
N.T.S.
PRECAST CONCRETE RISER
SEE RISER TABLE FOR DIMENSIONS
GROUT SIPHON OUTLET INTO RISER STRUCTURE,
SEE PIPE TABLE FOR INVERT ELEVATION
6"6"
12" MIN.
CONCRETE PLUNGE POOL
3,000 PSI MIN.
TOP ELEV.= 14.50'
FINISHED GRADE
4"12"
6"
12"
2'
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
CONCRETE
PLUNGE POOL
TOP OF RISER
(SEE RISER TABLE)
OUTLET PIPE W/ O-RING
GASKETED JOINTS
ANTI-FLOATATION
CONCRETE
BALLAST
4'
2'
WRAP PIPE WITH DOUBLE LAYER
OF NON-WOVEN GEOTEXTILE
FILTER FABRIC - 2FT. LONG
CENTERED ON JOINT.
CONCRETE PLUNGE POOL
OUTLET PIPE
(SEE PIPE TABLE)
STEPS
6" MIN
PRECAST CONCRETE RISER
PLAN VIEW
N.T.S.
12"
6"
6"
PRECAST RISER
STRUCTURE
WALL
6"
PVC CAP WITH
SCREW TYPE
PLUG
PVC CAP WITH
DRILLED ORIFICE
SIPHON OUTLET
(SEE ORIFICE
TABLE)
EMERGENCY SPILLWAY SECTION
N.T.S.
EMERGENCY SPILLWAY WIDTH
(SEE EMERGENCY SPILLWAY TABLE)
TOP OF DAM
(SEE EMERGENCY
SPILLWAY TABLE)
EMERGENCY SPILLWAY LINING
(SEE EMERGENCY SPILLWAY TABLE)
5:15:1 PERMANENT SPILLWAY CREST
(SEE EMERGENCY SPILLWAY TABLE)
TYP. TRASH RACK
N.T.S.
NOTE:
1.TRASH RACK SHALL OPEN IN A DIRECTION
THAT ALLOWS ACCESS FROM BERM SIDE.
TOP OF DAM
2' MIN.
6"
12"
MIN.
Do
6"
12"2'
3xDo
2'
OUTLET PIPE (SEE PIPE TABLE)
WOVEN VINYL FILTER FABRIC
BETWEEN SAND AND GRAVEL
(2) 4" SCH 40 PVC PIPE
PERFORATED THROUGH WIDTH
OF STONE IN DIAPHRAGM
#57 STONE
TOP OF DRAINAGE DIAPHRAGM
ASTM C-33 CONCRETE SAND
3,000 PSI MIN.
CONCRETE CRADLE
NOTE:
1.DRAIN OUTLETS FOR DIAPHRAGM SHALL BE
PROTECTED BY AN APPROPRIATE RODENT GUARD:
12" X 12" STAINLESS STEEL MESH SECURED WITH
STAINLESS STEEL CLAMP OR APPROVED EQUAL.A
TOP OF BERM
TOP OF DRAINAGE DIAPHRAGM
2' MIN.
2' MIN.
3:1 TYP
.
3:1 T
Y
P
.
OUTLET PIPE WRAPPED IN
NON-WOVEN FILTER FABRIC AT
PIPE JOINTS (SEE PIPE TABLE)
(2) NON-PERFORATED
4" SCH 40 PVC
CONCRETE CRADLE SHALL
EXTEND THE FULL LENGTH
OF THE CONDUIT
6"
2'
2'1'
SECTION A-A
FLOW
DRAINAGE FILTER DIAPHRAGM
N.T.S.
TEMPORARY
SKIMMER
RISER TABLE
INVERT ELEVATION INTERIOR DIMENSIONS
TOP OF RISER 18.50'48" X 48"
A
EMERGENCY SPILLWAY TABLE
TOP OF BERM ELEVATION:20.50'
PERM. SPILLWAY CREST ELEVATION:19.00'
EMERGENCY SPILLWAY BASE WIDTH:15.00'
EMERGENCY SPILLWAY TOP WIDTH:30.00'
EMERGENCY SPILLWAY LINING:
CLASS "B" RIPRAP (18" TH.) AND
NON-WOVEN FILTER FABRIC
OR 50 MIL HEAVY DUTY SILVER
TARP
SIPHON OUTLET #1 DETAIL
N.T.S.
3/4" HANDLE
3" PLATE16"
3/4" HINGE
3/4" LOCK BOLT 8 TYPICAL
SEE PLAN
27"
3" ANGLE (TYP.)
3/4" HANDLE3/4" DOWEL LOCKING
ALUMINUM PIN
#6 REBAR ENTRY GUARD
COAT ALL STEEL SURFACES W/ FOX
INDUSTRIES FX-420 COAL TAR EPOXY
COATING OR APPROVED EQUAL.
STEEL SURFACES WHICH ARE TO
RECEIVE FX-240 COAL TAR EPOXY
COATING SHOULD BE PREPARED BY
ABRASIVE BLASTING TO A
COMMERCIAL GRAY METAL (SP-6)
STANDARD. ANY SURFACE BLASTED
SHOULD BE COATED THE SAME DAY.
IF PREPARED SURFACES ARE
CONTAMINATED BY RUST OR OTHER
CONTAMINANTS, THEY MUST BE
RE-BLASTED.
16" SQ.
3/4" LOCK BOLT 8 TYPICAL
TRASH RACK DETAIL
NTS
3/4" HINGE PIN
24"12"
2'
CONCRETE
FOOTING
NOTCH AND
PAINT
4"x4"
WOOD
POST
NOTCH AND PAINT
8"
SEDIMENT DEPTH
INDICATOR
N.T.S.
12"
TRASH RACK; REFER TO DETAIL
TRASH RACK;
REFER TO DETAIL
TYPICAL CROSS SECTION OF EXTENDED DRY DETENTION
BASIN WITH LOW FLOW CHANNEL AND CLAY LINE
N.T.S.
9" THICK CLASS A RIP-RAP
OVER FILTER FABRIC
4" TOP SOIL
8" CLAY LINER
FILTER FABRIC
6'
VARIES - SEE
GRADING
PLAN
VARIES - SEE
GRADING
PLAN
1' MIN.
EXTEND CLAY LINER UP TO
ELEVATION LISTED ON PLAN
3:1 M
A
X
3:1 MAX
1% MIN 1% MIN
24" MIN.
CONCRETE
ANTI-FLOTATION
BALLAST
PRETREATMENT SWALE IIIA CROSS SECTION
N.T.S.
6:1 6:1
6' WIDE
NOTES:
1.MINIMUM LONGITUDINAL LENGTH OF 150 LF.
2.LINE WITH N. AMERICAN GREEN (S75).
1' MIN.
4" TOP SOIL + BERMUDA GRASS
VARIES - SEE
GRADING PLAN
VARIES - SEE
GRADING PLAN
ORIFICE TABLE
SIZE
DRILLED
ORIFICE
SIZE
MATERIAL INVERT ELEV.
ORIFICE #1 (SIPHON)6"1.25"PVC SCH 40 14.50'
LENGTH HEIGHT ORIENTATION INVERT ELEV.
ORIFICE #2 (SLOT)36"4"SE 17.70'
ORIFICE #2 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
8" CLAY LINER
NOTES:
1.CONTRACTOR TO FILL VOIDS BETWEEN RIPRAP
STONE WITH TAMPED DIRT TO CREATE LEVEL
SPILLWAY CREST
SCREW-ON
WATER TIGHT
CAP. DRILL 1.25"
DIA HOLE @ INV
= 14.50
ORIFICE #2 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
VEGETATIVE
SWALE IIIA DETAIL
N.T.S.
5'3:1 M
A
X
3:1 MAX
BERMUDA GRASS
LINE WITH N. AMERICAN GREEN S75
SLOPE = 0.3%
Q10 = 2.6 CFS; V10= 1.55 FPS
D10= 0.50'; T=0.10 #/SF;
USE 0.50' FBD' 1.00' DEEP W/ 3:1 SIDES
2
6
26
26
2
6
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25
25
25
2
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25
25
25
25
25
25
25
25
24
24
24
24 24
24 24
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24
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4
24
24
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24
24
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24
24
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3
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EW205
JB201
EW104
EW203
RS202B
EW200
2
4
"
R
C
P
30" RC
P
42" RCP
42" RCP
15" RC
P
30" RCP
30"
R
C
P
18.5
1%MI
N
.
1%MI
N
.
1%MI
N
.
1%MI
N
.
1
%
M
I
N
.
1
%
M
I
N
.
18.5
13
14
15
16
17
18
13
141516
18
13
15
18
18
1
8
13
13
1
8
15
15
15
16
1
7
1
8
1
9
17
1
8
2
0
2
1
2019
15
1
8
18
15
212220
20 20
20 20
15
20
17
14
1
4
1
5
16
20
20
2
0
15
16
18
18
2021
20
17
17
21 22
20
17
1
9
2
0
1
8
1
7
EW207
30" RCP
JB208
3
0
"
R
C
P
EW209
42" RCP
EW210
JB211
36
"
R
C
P
EW212
22
EW400
23
23
23
23
19
1919
1820
2
0
23
19
2022
30"
R
C
P
YI213
5
10
15
20
25
30
5
10
15
20
25
30
CLASS I RIPRAP
OVER FILTER FABRIC
40'L X 22'W X 24"TH
PROP GRADE 3:1 (GRASS) (TYP)
(SEE DAM EMBANKMENT AND SOIL
COMPACTION SPECIFICATIONS)
FINISHED
GRADE
EXISTING
GRADE
WATER QUALITY
WSE = 16.90'
CONCRETE PLUNGE POOL
(SEE DETAIL)
4" TOPSOIL
8" CLAY LINER
EXTEND CLAY LINER TO
SPILLWAY AT ELEV. 18.50'
AROUND ENTIRE POND
WSE
100-YR = 18.26'
25-YR = 17.63'
10-YR = 17.30'
2-YR = 16.93'
1-YR = 16.45'
EXISTING
15" RCP
10+00 10+50 11+00 11+50 12+00 12+50 13+00 13+50 13+75
206-205
30.00' OF
42" RCP
@ 1.00%
O-RING GASKETED
WATER-TIGHT202-201
39.27' OF
30" RCP
@ 0.30%
201-200
30.00' OF
30" RCP
@ 0.30%
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RACK
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FILTER STRIP SWALE
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CLASS I RIPRAP
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PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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37630.054
NA
D
8
3
0
SCALE 1"=30'
60'30'
PHASE IIIB DRY POND
PLAN VIEW
PHASE IIIB DRY POND
PROFILE VIEW
PROFILE SCALE
0
0
30
3
EMERGENCY SPILLWAY
(SEE DETAIL)
10' WIDE TOP
OF BERM
RISER STRUCTURE
(SEE DETAILS)
3:1 SLOPE
LOW FLOW CHANNEL
(SEE DETAIL)
3:1 SLOPE
MAINTENANCE ACCESS
12:1 SLOPE
FILTER
DIAPHRAGM
60' VEGETATIVE
SWALE IIIB
RIPRAP OVER FILTER
FABRIC. SEE PROFILE.
SOLID HATCH
DENOTES CLAY LINER
PROPOSED PRE TREATMENT GRASS SWALE IIIB
INV. UP = 14.80'
INV. DOWN = 14.55'
SLOPE = 0.20%
DESIGN SIDE SLOPE = 5:1
DESIGN FLOW DEPTH = 0.50'
DESIGN FLOW VELOCITY = 0.60 FPS
DESIGN HRT = 4.1 MIN.
RIPRAP OVER FILTER
FABRIC. SEE PROFILE.
SOLID HATCH
DENOTES CLAY LINER'
REMOVE 20 LF OF EXISTING 15" RCP.
INSTALL NEW JUNCTION BOX AND
CONNECT TO EXISTING 15" RCP.
CONTRACTOR TO REMOVE 40 LF OF
EXISTING 36" RCP.
INSTALL NEW CONCRETE ENDWALL
PER NCDOT STD 838.80.
INV. 12.56'
CLASS B RIPRAP APRON OVER
FILTER FABRIC
40'L X 9'W X 18"TH
DO NOT
DISTURB
WETLANDS
EXISTING DITCH GRADE = 12.50'
CONTRACTOR TO FIELD VERIFY PRIOR
TO BEGINNING CONSTRUCTION. IN CASE
OF DISCREPANCY NOTIFY ENGINEER.
EXISTING 36" RCP
DO NOT
DISTURB
WETLANDS
RIPRAP
OVER FILTER
FABRIC. SEE
PROFILE.
VARIABLE WIDTH SCM ACCESS
EASEMENT
VARIABLE WIDTH SCM ACCESS
EASEMENT
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
RE
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09/02/2020
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37630.054
TOP OF RISER
(SEE RISER TABLE)
INSTALL STEPS ON INTERIOR
OF RISER AT 16" PER NCDOT
DETAIL 840.66. STEPS SHALL
ALIGN WITH ACCESS HATCH
ON THE TRASH RACK.
GALVANIZED STEEL
PLATE AT RISER JOINTS.
SEE NOTE #2
NOTES:
1.MANUFACTURER SHALL HAVE STRUCTURAL ENGINEER DESIGN CONCRETE REINFORCEMENT TO SUPPORT WEIGHT OF ANTI-FLOATATION BALLAST.
REINFORCED CONCRETE STRENGTH SHALL BE 3,000 PSI MIN.
2.BOLT A GALVANIZED STEEL PLATE ACROSS EACH RISER JOINT IN (4) LOCATIONS (TYP.). PLATES SHALL BE 4" W X 8" L X 1
4" TH. USE (4) 1
2" X 3" GALVANIZED
BOLTS AT EACH PLATE. USE WATERTIGHT JOINTS CONFORMING TO ASTM C1433.
3.TRASH RACK NOT SHOWN FOR CLARITY. REFER TO TRASH RACK DETAIL FOR TYPE AND INSTALLATION INFORMATION.
RISER 202B
N.T.S.
PRECAST CONCRETE RISER
SEE RISER TABLE
GROUT SIPHON OUTLET INTO RISER STRUCTURE,
SEE PIPE TABLE FOR INVERT ELEVATION
6"6"
8" MIN.
CONCRETE PLUNGE POOL
3,000 PSI MIN.
TOP ELEV.= 13.25'
FINISHED GRADE
4"12"
6"
12"
2'
CONCRETE
PLUNGE POOL
TOP OF RISER
(SEE RISER TABLE)
ANTI-FLOATATION
CONCRETE
BALLAST
4'
2'
CONCRETE PLUNGE POOL
STEPS
AS REQUIRED
BY MANUFACTURER
PRECAST CONCRETE RISER
PLAN VIEW
N.T.S.
TYP. TRASH RACK
N.T.S.
NOTE:
1.TRASH RACK SHALL OPEN IN A DIRECTION
THAT ALLOWS ACCESS FROM BERM SIDE.
TOP OF DAM
2' MIN.
6"
12"
MIN.
Do
6"
12"2'
3xDo
2'
OUTLET PIPE (SEE PIPE TABLE)
WOVEN VINYL FILTER FABRIC
BETWEEN SAND AND GRAVEL
(2) 4" SCH 40 PVC PIPE
PERFORATED THROUGH WIDTH
OF STONE IN DIAPHRAGM
#57 STONE
TOP OF DRAINAGE DIAPHRAGM
ASTM C-33 CONCRETE SAND
3,000 PSI MIN.
CONCRETE CRADLE
NOTE:
1.DRAIN OUTLETS FOR DIAPHRAGM SHALL BE
PROTECTED BY AN APPROPRIATE RODENT GUARD:
12" X 12" STAINLESS STEEL MESH SECURED WITH
STAINLESS STEEL CLAMP OR APPROVED EQUAL.A
TOP OF BERM
TOP OF DRAINAGE DIAPHRAGM
2' MIN.
2' MIN.
3:1 TYP
.
3:1 T
Y
P
.
OUTLET PIPE WRAPPED IN
NON-WOVEN FILTER FABRIC AT
PIPE JOINTS (SEE PIPE TABLE)
(2) NON-PERFORATED
4" SCH 40 PVC
CONCRETE CRADLE SHALL
EXTEND THE FULL LENGTH
OF THE CONDUIT
6"
2'
2'1'
SECTION A-A
FLOW
DRAINAGE FILTER DIAPHRAGM
N.T.S.
TEMPORARY
SKIMMER
RISER TABLE
INVERT ELEVATION INTERIOR DIMENSIONS
TOP OF RISER 18.00'60" X 60"
A
EMERGENCY SPILLWAY TABLE
TOP OF BERM ELEVATION:20.00'
PERM. SPILLWAY CREST ELEVATION:18.50'
EMERGENCY SPILLWAY BASE WIDTH:50.00'
EMERGENCY SPILLWAY TOP WIDTH:65.00'
EMERGENCY SPILLWAY LINING:
CLASS "B" RIPRAP (18" TH.) AND
NON-WOVEN FILTER FABRIC
OR 50 MIL HEAVY DUTY SILVER
TARP
3/4" HANDLE
3" PLATE16"
3/4" HINGE
3/4" LOCK BOLT 8 TYPICAL
SEE PLAN
27"
3" ANGLE (TYP.)
3/4" HANDLE3/4" DOWEL LOCKING
ALUMINUM PIN
#6 REBAR ENTRY GUARD
COAT ALL STEEL SURFACES W/ FOX
INDUSTRIES FX-420 COAL TAR EPOXY
COATING OR APPROVED EQUAL.
STEEL SURFACES WHICH ARE TO
RECEIVE FX-240 COAL TAR EPOXY
COATING SHOULD BE PREPARED BY
ABRASIVE BLASTING TO A
COMMERCIAL GRAY METAL (SP-6)
STANDARD. ANY SURFACE BLASTED
SHOULD BE COATED THE SAME DAY.
IF PREPARED SURFACES ARE
CONTAMINATED BY RUST OR OTHER
CONTAMINANTS, THEY MUST BE
RE-BLASTED.
16" SQ.
3/4" LOCK BOLT 8 TYPICAL
TRASH RACK DETAIL
NTS
3/4" HINGE PIN
TYPICAL CROSS SECTION OF EXTENDED DRY DETENTION
BASIN WITH LOW FLOW CHANNEL AND CLAY LINE
N.T.S.
9" THICK CLASS A RIP-RAP
OVER FILTER FABRIC
4" TOP SOIL
8" CLAY LINER
FILTER FABRIC
6'
VARIES - SEE
GRADING
PLAN
VARIES - SEE
GRADING
PLAN
1' MIN.
EXTEND CLAY LINER UP TO
ELEVATION LISTED ON PLAN
3:1 M
A
X
3:1 MAX
1% MIN 1% MIN
OUTLET PIPE
(SEE PIPE TABLE)
OUTLET PIPE W/ O-RING
GASKETED JOINTS
WRAP PIPE WITH DOUBLE LAYER
OF NON-WOVEN GEOTEXTILE
FILTER FABRIC - 2FT. LONG
CENTERED ON JOINT.
12"
TRASH RACK; REFER TO DETAIL
TRASH RACK;
REFER TO DETAIL
24" MIN.
CONCRETE
ANTI-FLOTATION
BALLAST
PRETREATMENT SWALE IIIB CROSS SECTION
N.T.S.
5:1 5:1
27' WIDE
NOTES:
1.MINIMUM LONGITUDINAL LENGTH OF 150 LF.
2.LINE WITH N. AMERICAN GREEN (S75).
0.5'
4" TOP SOIL + BERMUDA GRASS
8" CLAY LINER
12"
6"
6"
PRECAST RISER
STRUCTURE
WALL
6"
PVC CAP WITH
SCREW TYPE
PLUG
PVC CAP WITH
DRILLED ORIFICE
SIPHON OUTLET
(SEE ORIFICE
TABLE)
EMERGENCY SPILLWAY SECTION
N.T.S.
EMERGENCY SPILLWAY WIDTH
(SEE EMERGENCY SPILLWAY TABLE)
TOP OF DAM
(SEE EMERGENCY
SPILLWAY TABLE)
EMERGENCY SPILLWAY LINING
(SEE EMERGENCY SPILLWAY TABLE)
5:15:1 PERMANENT SPILLWAY CREST
(SEE EMERGENCY SPILLWAY TABLE)
SIPHON OUTLET #1 DETAIL
N.T.S.
NOTES:
1.CONTRACTOR TO FILL VOIDS BETWEEN RIPRAP
STONE WITH TAMPED DIRT TO CREATE LEVEL
SPILLWAY CREST
SCREW-ON
WATER TIGHT
CAP. DRILL 2.50"
DIA HOLE @ INV
= 13.25'
VEGETATIVE
SWALE IIIB DETAIL
N.T.S.
6'3:1 M
A
X
3:1 MAX
BERMUDA GRASS
LINE WITH N. AMERICAN GREEN S75
ORIFICE TABLE
SIZE
DRILLED
ORIFICE
SIZE
MATERIAL INVERT ELEV.
ORIFICE #1 (SIPHON)6"2.50"PVC SCH 40 13.25'
LENGTH HEIGHT ORIENTATION INVERT ELEV.
ORIFICE #3 (SLOT)36"6"N 17.00'
ORIFICE #3 (SLOT)36"6"W 17.00'
ORIFICE #3 (SLOT)36"6"S 17.00'
3:13:1
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #2 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #1 (SIPHON)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #3 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #4 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #3 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #2 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
ORIFICE #4 (SLOT)
(SEE ORIFICE TABLE & DETAIL)ORIFICE #3 (SLOT)
(SEE ORIFICE TABLE & DETAIL)
SLOPE = 0.3%
Q10 = 8.1 CFS; V10= 1.93 FPS
D10= 0.75'; T=0.15 #/SF;
USE 0.50' FBD' 1.25' DEEP W/ 3:1 SIDES
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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A. MAY
B. DOWNS
R. BAKER
09/02/2020
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37630.054
DRY DETENTION BASIN SPECIFICATIONS:
1.THE DRY DETENTION BASIN SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE ILM STORMWATER MASTER PLAN, NCDEQ AND THE PROPOSED STORMWATER
MANAGEMENT FACILITY DETAILS AND SPECIFICATIONS SHOWN IN THESE DRAWINGS.
2.ALL SIDE SLOPES AND BASIN FLOOR SHALL BE PERMANENTLY STABILIZED WITH A DENSE STAND OF GRASS.
3.THE RISER STRUCTURE HAS BEEN DESIGNED WITH A CONCRETE ANCHOR FOR ANTI-FLOATATION.
4.A TRASH RACK IS REQUIRED AT THE TOP OF THE RISER, IT SHOULD BE INSTALLED TO PROVIDE ACCESS ALIGNED WITH THE STEPS ON THE BERM SIDE OF THE
RISER.
5.AN INVERTED SIPHON AND A CONCRETE PLUNGE POOL HAVE BEEN DESIGNED AT THE RISER ORIFICE TO REDUCE THE LIKELIHOOD OF CLOGGING, AND ALLOW
FOR MAINTENANCE.
6.THE DRY DETENTION BASIN SHALL BE GRADED IN ACCORDANCE WITH THE APPROVED PLANS, SECTIONS AND DETAILS.
7.THE RISER SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE RISER DETAIL.
8.THE EMERGENCY SPILLWAY SHALL BE LINED WITH RIPRAP. REFER TO DETAIL ON THE APPROVED PLANS.
9.THE OWNER'S GEOTECHNICAL ENGINEER SHALL OVERSEE THE INSTALLATION OF THE BERM, TO PROVIDE BERM COMPACTION TESTING.
10.REFER TO CONVERSION SEQUENCE ON THIS SHEET.
DRY DETENTION BASIN CONVERSION SEQUENCE:
1.DRY DETENTION BASIN WILL INITIALLY BE INSTALLED AS A SKIMMER SEDIMENT BASIN. REFER TO GRADING PLAN AND DRY DETENTION BASIN SECTIONS AND
DETAILS FOR FINAL STAGE. THE FINAL BASIN AND BERM GRADING SHOULD HAVE BEEN PERFORMED AS PART OF THE EROSION CONTROL PHASE 1 AND
CONVERSION SHOULD ONLY REQUIRED REMOVAL OF SEDIMENT AND MINOR DRESS-UP WORK.
2.STABILIZE ALL AREAS TRIBUTARY TO THE DRY DETENTION BASIN AND OBTAIN APPROVAL FROM THE NCDEQ AND NEW HANOVER COUNTY INSPECTOR PRIOR
TO BEGINNING THE CONVERSION.
3.LEAVE SKIMMER IN PLACE, REMOVE BAFFLES AND SEDIMENT FROM THE BOTTOM OF THE BASIN. FINE GRADE BERM AS REQUIRED.
4.INSTALL TRASH RACK, REMOVE SKIMMER, AND INSTALL PERMANENT ORIFICE PIPE AS SHOWN ON THE APPROVED PLANS.
5.INSTALL CONCRETE PLUNGE POOL BENEATH PERMANENT ORIFICE AS SHOWN ON THE APPROVED PLANS. INSTALL CLAY LINER, TOPSOIL, RIP-RAP, FILTER
FABRIC, AND LOW FLOW CHANNEL PER SCM DETAILS.
6.REPAIR SPILLWAY RIPRAP LINER AS NEEDED AND SEED ALL DISTURBED AREAS.
7.SUBMIT SURVEY CAD FILE WITH SPOT GRADES TO ENGINEER FOR REVIEW. CONTACT ENGINEER TO SCHEDULE INSPECTION.
8.MAKE ANY ADJUSTMENTS REQUIRED BY ENGINEER FOLLOWING INSPECTION AND REVIEW OF AS-BUILT SURVEY DATA.
9.CONVERSION OF THE SKIMMER BASIN TO A PERMANENT DRY DETENTION BASIN SHALL NOT BE CONSIDERED COMPLETE UNTIL THE FOLLOWING ITEMS HAVE
BEEN COMPLETED:
·BASIN HAS BEEN FULLY CONVERTED AND IS BUILT IN ACCORDANCE WITH THE APPROVED DESIGN, AS DETERMINED BY THE ENGINEER.
·OPERATION & MAINTENANCE AGREEMENT IS COMPLETE.
·NCDEQ HAS PERFORMED AN INSPECTION AND APPROVED THE COMPLETED DRY DETENTION BASIN, AND THE AS-BUILTS.
PHASE IIIA AND PHASE IIIB STORMWATER NOTES
1.PRIOR TO BEGINNING CONSTRUCTION, THE CONTRACTOR SHALL IMMEDIATELY NOTIFY THE DESIGN ENGINEER OF ANY DISCREPANCIES FOUND WITHIN THE
PLANS.
2.THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING WITH THE ON-SITE GEOTECHNICAL ENGINEER FOR OBSERVATION, TESTING AND CERTIFICATION OF
CONSTRUCTION.
3.ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH NCDEQ STANDARDS, NEW HANOVER COUNTY, THE WILMINGTON INTERNATIONAL AIRPORT STORMWATER
MASTER PLAN, AND THE PROPOSED STORMWATER MANAGEMENT FACILITY DETAILS AND SPECIFICATIONS SHOWN IN THESE DRAWINGS.
4.SOILS, COMPACTION AND/OR OTHER MISCELLANEOUS DETAILS AND SPECIFICATIONS MAY BE MODIFIED PER THE RECOMMENDATIONS OF THE ON-SITE
GEOTECHNICAL ENGINEER. HOWEVER, PRIOR TO IMPLEMENTATION, THE DESIGN ENGINEER SHALL BE NOTIFIED OF ANY DEVIATION FROM THESE DESIGN
DRAWINGS, INCLUDING SHOP DRAWINGS FOR ANY PROPOSED MODIFICATION.
5.CONTRACTOR TO FINE GRADE ALL POND FINISHED SURFACES TO WITH 2 INCHES +/- TOLERANCE.
6.AS-BUILT SURVEY:
THE CONTRACTOR SHALL ACCURATELY CONSTRUCT ALL SCM GRADES, BERM, SPILLWAY, RISER TOP, RISER INVERTS, ETC. WITHIN ± 0.2 FEET VERTICALLY OF
THE APPROVED PLANS. AT THE END OF THE PROJECT, THE CONTRACTOR SHALL AS-BUILT SURVEY ALL FEATURES OF THE SCM BY A LICENSED SURVEYOR.
SUBMIT SEALED AS-BUILT SURVEY AND CAD FILE TO THE ENGINEER. THE ENGINEER WILL THEN COORDINATE ANY ADJUSTMENTS NEEDED WITH THE
CONTRACTOR AND CERTIFICATION WITH THE MUNICIPALITY. ADDITIONAL AS-BUILT SURVEYS MAY BE NEEDED BASED ON REQUIRED ADJUSTMENTS.
BERM EMBANKMENT AND SOIL COMPACTION SPECIFICATIONS
1.CONTROLLED FILL, AS SPECIFIED BY THE GEOTECHNICAL ENGINEER, IN THE BERM EMBANKMENT /KEY TRENCH SHALL BE PLACED IN 6-INCH LOOSE LAYERS (3-INCH LOOSE
LAYERS WITHIN 3-FEET OF EITHER SIDE OF THE PRINCIPAL SPILLWAY PIPE TO A DEPTH OF 2-FEET OVER THE PIPE) AND SHALL BE COMPACTED TO A DENSITY OF NO LESS
THAN 95% OF THE STANDARD PROCTOR MAXIMUM DENSITY AT A MOISTURE CONTENT OF + OR - TWO PERCENTAGE POINTS OF THE OPTIMUM MOISTURE CONTENT IN
ACCORDANCE WITH ASTM D698.
2.ALL VISIBLE ORGANIC DEBRIS SUCH AS ROOTS AND LIMBS SHALL BE REMOVED FROM THE FILL MATERIAL PRIOR TO COMPACTION TO THE REQUIRED DENSITY. SOILS WITH
ORGANIC MATTER CONTENT EXCEEDING 5% BY WEIGHT SHALL NOT BE USED. STONES GREATER THAN 3-INCH (IN ANY DIRECTION) SHALL BE REMOVED FROM THE FILL PRIOR
TO COMPACTION.
3.FILL MATERIAL PLACED AT DENSITIES LOWER THAN SPECIFIED MINIMUM DENSITIES OR AT MOISTURE CONTENTS OUTSIDE THE SPECIFIED RANGES OR OTHERWISE NOT
CONFORMING TO SPECIFIED REQUIREMENTS SHALL BE REMOVED AND REPLACED WITH ACCEPTABLE MATERIALS.
4.ANY FILL LAYER THAT IS SMOOTH DRUM ROLLED TO REDUCE MOISTURE PENETRATION DURING A STORM EVENT SHALL BE PROPERLY SCARIFIED PRIOR TO THE PLACEMENT
OF THE NEXT SOIL LIFT.
5.SURFACE WATER AND STREAM FLOW SHALL BE CONTINUOUSLY CONTROLLED THROUGHOUT CONSTRUCTION AND THE PLACEMENT OF CONTROLLED FILL.
6.FOUNDATION AREAS MAY REQUIRE UNDERCUTTING OF COMPRESSIBLE AND/OR UNSUITABLE SOILS IN ADDITION TO THAT INDICATED ON THE PLANS. ALL SUCH
UNDERCUTTING SHALL BE PERFORMED AT THE DISCRETION OF THE GEOTECHNICAL ENGINEER AND SHALL BE MONITORED AND DOCUMENTED. IN NO CASE SHALL THERE BE
AN ATTEMPT TO STABILIZE ANY PORTIONS OF THE FOUNDATION SOILS WITH CRUSHED STONE.
7.TREATMENT OF SEEPAGE AREAS, SUBGRADE PREPARATION, FOUNDATION DEWATERING AND ROCK FOUNDATION PREPARATION (I.E., TREATMENT WITH SLUSH GROUTING,
DENTAL CONCRETE, ETC.) MAY BE REQUIRED AT THE DISCRETION OF THE GEOTECHNICAL ENGINEER. ALL SUCH ACTIVITIES SHALL BE CLOSELY MONITORED AND
DOCUMENTED BY THE GEOTECHNICAL ENGINEER.
8.FILL ADJACENT TO THE RISER AND PRINCIPAL SPILLWAY PIPE SHALL BE PLACED SO THAT LIFTS ARE AT THE SAME LEVEL ON BOTH SIDES OF THE STRUCTURES.
9.EARTHWORK COMPACTION WITHIN 3-FEET OF ANY STRUCTURES SHALL BE ACCOMPLISHED BY MEANS OF HAND TAMPERS, MANUALLY DIRECTED POWER TAMPERS OR PLATE
COMPACTORS OR MINIATURE SELF-PROPELLED ROLLERS.
10.COMPACTION BY MEANS OF DROP WEIGHTS FROM A CRANE OR HOIST SHALL NOT BE PERMITTED.
11.HEAVY EQUIPMENT SHALL NOT BE ALLOWED TO PASS OVER CAST-IN-PLACE STRUCTURES (INCLUDING THE CRADLE) UNTIL ADEQUATE CURING TIME HAS ELAPSED.
12.INSTALL CLAY LINER PER MANUFACTURER'S INSTALLATION INSTRUCTIONS.
13.TO RE-ESTABLISH VEGETATION AFTER CONSTRUCTION, A 2- TO 3-INCH LAYER OF TOPSOIL SHALL BE PLACED ON THE DISTURBED EMBANKMENT SURFACE AND THE AREA
TEMPORARILY SEEDED AND MULCHED OR HYDROSEEDED WITH NON-CLUMPING TURF GRASS.
14.NO TREES OR WOODY VEGETATION ARE ALLOWED TO BE PLANTED ON THE DAM OR EMBANKMENT.
24" R
C
P
28
28
28 28
28
28
28
28
28
27
27
27
27
27
27
27
27
27
27
2727
27
27
27 27 27 27
27
2
6
26
26
2
6
26
2
6
26
26
26
26
26
2
6
26
26
26 26
26
26 26 26
26
26
26
26
26
26
26
26
26
26
26
26 26 26
26
25
25
25 25
2
5
25
25
25
25
25 25 25
25
25
25
25
25
2525
25
2
5
25
25
25
25
25
2525
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
24
24
24
24
24
24
24
24
24
24
2424
24
24
24
24
2
4
24
242424
2
4
24
24
24
2
4
24
24
24
24
24
24
2
4
2
4
2424
24
24
24
24
24
24
24
24
24
2
3
23
2
3
23
2
3
2
3
2
3
2
3
2
3
23
2
3
2
3
2
3
2
3
2
3
23
23 23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
2
3
23
23
2323
23
23
23
23
2323
23
2
3
23
23
23
23
2
3
2
3
23
23
2
2
2
2
22
22
2
2
2
2
2
2
2
2
2
2
2
2
2
2
22
22
22
22
2
2
22
22
22
2
2
2
2
2
2
2
2
2
2
22
2
2
22
22
22
22
22
22
2
2
22
22
22
22
22
2
2
2
2
22
2
2
22
22
22
22
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
21
2
1
21
21
21
2
1
21
21
21
21
21
2
1
2
1
21
21
2
1
2
1
2
1
2
1
2
1
21
21
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
2
0
20
20
2
0
20
20
2
0
2
0
2
0
2
0
2
0
2
0
1
9
1
9
1
9
1
9
1
9
1
9
1
9 19
19
1
9
1
9
1
9
1
8
1
8
1
8
1
8
1
8
1817
1
7
1
7
1
7
1
7
1
6
1
6
1
6
1
5
W
W
S
A
N
S
A
N
S
A
N
S
A
N
W
W
W
W
W
W
W
W
W
W
W
W
W
W
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
F
M
W W W W W W W W W
TRAFFIC
SIGNAL
TRAFFIC
CONTROL BOX
EDGE O
F
P
A
V
E
M
E
N
T
EDGE O
F
P
A
V
E
M
E
N
T
EDGE OF PAVEM
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
CURB
&
G
U
T
T
E
R
CURB
&
G
U
T
T
E
R
EDGE
O
F
P
A
V
E
M
E
N
T
E
D
G
E
O
F
P
A
V
E
M
E
N
T
E
D
G
E
O
F
P
A
V
E
M
E
N
T
EDGE
O
F
P
A
V
E
M
E
N
T
EDGE OF PAVEMENT
POWER VAULT
EL METER BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
BOX
TRAFFIC
SIGNAL
O
H
T
O
H
T
O
H
T
O
H
T
G
G
G
G
G
G
G
G
G
G
G
O
H
P
O
H
P
O
H
P
O
H
P
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
W
U
G
P
U
G
P
U
G
P
U
G
P
UG
P
UGP
UG
P
UGP
UGP
UGP
UGP
UGP
UGP
UGP UGP UGP UGP UGP
UGT
UGT
UGT
UGT
UGT
UGT
UGT
UGT UGT UGT UGT UGT UGT
IRRIGATION WELL
AND CONTROL BOX
WATER VAULT
FENCE
FENCE
TREELINE
TREELINE
T
R
E
E
L
I
N
E
T
R
E
E
L
I
N
E
TR
E
E
L
I
N
E
TR
E
E
L
I
N
E
DITCH
DITCH
SWALE
SWALE
DITCH
D
I
T
C
H
DI
T
C
H
DIT
C
H
D
I
T
C
H
D
I
T
C
H
D
I
T
C
H
D
I
T
C
H
SWAL
E
EL METER BOX
X
X
X
X
X
X
X
TRAFFIC BOX
AND
FO MARKER
UGT
UG
T
U
G
T
U
G
T
U
G
T
U
G
T
INV=16.92
INV=13.97
INV=13.57
INV=16.52
N
2
3
R
D
S
T
R
E
E
T
(
S
R
-
1
3
0
2
)
1
0
0
'
R
/
W
(
P
U
B
L
I
C
)
24" RC
P
G
G
G
G
G
G
G
G
G
G G G G G G
GAS L
I
N
E
D
R
A
W
N
F
R
O
M
NCDO
T
P
L
A
N
S
GAS LINE DRAWN FROM
NCDOT PLANS
POWER VAULT
AIRPO
R
T
B
O
U
L
E
V
A
R
D
(EXI
S
T
I
N
G
N
E
W
H
A
N
O
V
E
R
C
O
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N
T
Y
R
O
A
D
)
VARIA
B
L
E
W
I
D
T
H
R
O
W
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
EC120
EC119
EC120
LOD
LOD
LOD
LOD
LOD
LOD
L
O
D
LOD
LOD
LOD
LOD
LOD LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LODLOD
EC118
17
20 23
2
0
2
0
20 1
7
1
5
20
1
6
23
21
17
2
2
2
0
1
8
EC114
EC115
EC116
EC101
EC101
EC101
EC102
EC102
EC102
EC103
EC103
EC104
EC117A
EC117B
EC106
EC107
EC108
EC111
EC112 EC113
2
2
2
0
2
2
1
8
LO
D
L
O
D
LO
D
L
O
D
LOD
LOD
LOD
LOD
LOD
LOD
LO
D
LOD
LOD
LOD
LO
D
LO
D
L
O
D
L
O
D
LOD LOD LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
LOD
L
O
D
LOD
LO
D
L
O
D
L
O
D
L
O
D
L
O
D
L
O
D
L
O
D
L
O
D
LO
D
L
O
D
EC122
EC102
LOD LIMITS OF DISTURBANCE
EROSION CONTROL LEGEND
SILT FENCE
TEMPORARY INLET PROTECTION
POROUS BAFFLE
CONSTRUCTION ENTRANCE
EMERGENCY SPILLWAY / RIP RAP
APRON
TEMPORARY DIVERSION DITCH
CONCRETE WASHOUT
ROCK CHECK DAM
W
SILT FENCE STONE OUTLET
ROCK PIPE INLET PROTECTION
SKIMMER
PERMANENT DIVERSION DITCH
TEMPORARY TIMBER MAT
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1.ALL CONSTRUCTION SHALL COMPLY WITH NEW HANOVER COUNTY STANDARDS AND
SPECIFICATIONS.
2.A COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE ON FILE AT THE JOB SITE
AT ALL TIMES.
3.FAILURE TO FOLLOW THE APPROVED PLAN SEQUENCE AND DETAILS COULD SUBJECT
THE CONTRACTOR TO FINES AND PENALTIES ISSUED BY DEQ.
4.FIELD VERIFY ALL DIMENSIONS AND GRADES ON THESE PLANS PRIOR TO
CONSTRUCTION. FAILURE TO NOTIFY THE OWNER OF ANY DISCREPANCIES PRIOR TO
PROCEEDING WITH PLAN OR GRADE CHANGES, MAY RESULT IN NO EXTRA
COMPENSATION PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS
OR GRADES SHOWN INCORRECTLY.
5.EXCAVATION AND EARTH MOVING OPERATIONS SHALL BE CONDUCTED UNDER THE
SUPERVISION OF THE GEOTECHNICAL ENGINEER.
6.VERIFY THE LOCATION OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION. EXISTING
UTILITIES SHOWN ARE FROM THE BEST AVAILABLE RECORDS AND FROM A SURVEY OF
ABOVE GROUND FEATURES. NO WARRANTY IS GIVEN OR IMPLIED AS TO THE ACCURACY
OF THE INFORMATION. ALL EXISTING UTILITIES SHOULD BE CONSIDERED APPROXIMATE
IN LOCATION AND VERIFIED PRIOR TO COMMENCING ACTIVITY ON SITE.
7.ALL ADJACENT ROADS TO THE SITE ARE TO BE SWEPT AND WASHED AT THE END OF
EACH WORK DAY TO ENSURE NO SEDIMENT COLLECTS ON THE ROADWAYS.
8.INSPECT AND PROPERLY MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES
WEEKLY AND AFTER EVERY RAINFALL EVENT.
9.INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT
SEDIMENT RUNOFF.
10.PROVIDE NEW HANOVER COUNTY WITH THE LOCATION OF OFFSITE STOCKPILES USED
TO STORE EXCAVATED SOIL FROM THE SITE. THE LOCATION OF OFFSITE STOCKPILES
MUST BE AN UPLAND AREA. IF AN OFFSITE BORROW OR SPOIL SITE IS UTILIZED, THEN
THE DISTURBED AREA FOR THE BORROW/SPOIL SITE MUST BE INCLUDED IN THE LAND
DISTURBANCE PERMIT. THE CONTRACTOR WILL PROVIDE THE LOCATION OF ALL
EXCAVATED SOILS USED FOR THIS PROJECT TO NEW HANOVER COUNTY. THIS AREA
MUST ALSO BE AN UPLAND AREA.
10.1.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER CONTROL
MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY. CORRDINATE WITH
ILM CONTACT ON EXACT LOCATION.
11.CONCRETE WASHOUT TO BE LOCATED A MINIMUM OF 50' FROM ANY DRAINAGE
STRUCTURE.
12.THE EROSION CONTROL MEASURES INDICATED ON THE PLANS ARE THE MINIMUM
REQUIREMENTS.
13.ADDITIONAL MEASURES MAY BE REQUIRED, AS DIRECTED BY THE ENGINEER,
ENFORCEMENT OFFICER, OR OTHER GOVERNING AGENCY.
PHASE I EROSION CONTROL CONSTRUCTION SEQUENCE:
GENERAL EROSION AND SEDIMENT
PHASE I EROSION CONTROL CONS
EROSION CONTROL PLAN - PHASE I KEYNOTES
NUMBER DESCRIPTION
EC101 LIMITS OF DISTURBANCE
EC102 SILT FENCE; REFER TO DETAIL (TYP).
EC103 SILT FENCE OUTLET; REFER TO DETAIL (TYP.)
EC104 TEMPORARY 25' X 100' CONSTRUCTION ENTRANCE; REFER TO
DETAIL
EC105 TEMPORARY INLET PROTECTION; REFER TO DETAIL (TYP.)
EC106
SKIMMER SEDIMENT BASIN #1
DRAINAGE AREA=4.37 AC; DIST AREA=4.37 AC
REQ'D SURFACE AREA=4,133 SF; REQ'D STORAGE=7,866 CF
PROV'D SURFACE AREA=12,185 SF; PROV'D STORAGE=20,670 CF
(OR EQUIVALENT SURFACE AREA & VOLUME)
PROVIDE 3" SKIMMER W/ 1.75" DIA. ORIFICE ON
4'X4'X1'D CLASS B PAD; TETHER TO BERM
INV=14.50'
EC107
TEMP. DIVERSION DITCH #1
LENGTH = 341'; DRAINAGE AREA = 0.78 AC; S = 1.6%
Q10 = 2.3 CFS; V10 = 2.65 FPS
D10 = 0.5'; T = 0.5 #/SF; B = 0.5'
USE 0.50' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC108
TEMP. DIVERSION DITCH #2
LENGTH = 340'; DRAINAGE AREA = 0.25 AC; S = 1.8%
Q10 = 0.7 CFS; V10 = 2.07 FPS
D10 = 0.3'; T = 0.33 #/SF; B = 0.5'
USE 0.50' FBD' 0.8' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC111 3 POROUS BAFFLES
EC112
15' WIDE SPILLWAY W/ CLASS B RIPRAP & NON-WOVEN LINER
OR 50 MIL HEAVY DUTY SILVER TARP
TOP=19.00 CREST=20.50
EC113 3:1 SIDE SLOPE
EC114 CLASS A RIP RAP DISSIPATER PAD (11'L X 6.5'W X 12"D)
EC115 CLASS A RIP RAP DISSIPATER PAD (17'L X 5.3'W X 12"D)
EC116 CLASS A RIP RAP DISSIPATER PAD (6'L X 4.5'W X 12"D)
EC117A
TEMPORARY ROCK PIPE INLET PROTECTION #1
DRAINAGE AREA = 0.54 AC; DISTURBED AREA = 0.02 AC
VOLUME REQUIRED = 72 CF; VOLUME PROVIDED = 72 CF
SIDE SLOPES = 2.5:1; DEPTH = 2 FT
TOP OF SEDIMENT STORAGE SURFACE AREA = 56 SF
EC117B
TEMPORARY ROCK PIPE INLET PROTECTION #2
DRAINAGE AREA = 2.49 AC; DISTURBED AREA = 0.55 AC
VOLUME REQUIRED = 1,980 CF; VOLUME PROVIDED = 2,012 CF
SIDE SLOPES = 2:1; DEPTH = 4 FT
TOP OF SEDIMENT STORAGE SURFACE AREA = 886 SF
EC118
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
EC119 CIRCLE K FUNDED CONSTRUCTION WORK
EC120 ILM FUNDED CONSTRUCTION WORK
EC121 TEMPORARY TIMBER MAT
EC122 VEGETATIVE FILTER STRIP IIIA. LINE WITH NORTH AMERICAN
GREEN S75. SEE GRADING PLAN AND POND DETAIL SHEET.
ENFORCEMENT OFFICER, OR OTHER GOVERNING AGENCY.
PHASE I EROSION CONTROL CONSTRUCTION SEQUENCE:
1.OWNER/DEVELOPER/CONTRACTOR SHALL OBTAIN A COPY OF THE APPROVED
EROSION CONTROL PLAN AND MAINTAIN A COPY OF THE PLAN ON SITE
THROUGHOUT DURATION OF CONSTRUCTION.
2.OWNER/CONTRACTOR SHALL NOTIFY NEW HANOVER COUNTY A MINIMUM OF 72
HOURS BEFORE START OF CONSTRUCTION ON EACH PHASE.
3.ONLY CLEAR/GRADE ENOUGH TO INSTALL SEDIMENT CONTROL DEVICES AS
SHOWN IN PHASE I.
4.INSTALL CONSTRUCTION ENTRANCE, PIPES, TEMPORARY DIVERSION DITCHES,
CHECK DAMS, AND TEMPORARY INLET PROTECTION AS INDICATED ON PLAN.
INSTALL SILT FENCE, SILT FENCE OUTLETS AROUND THE PERIMETER OF THE
SITE. DISTURB ONLY THE AREAS NECESSARY FOR INSTALLATION.
5.ADJUST EROSION AND SEDIMENT CONTROL MEASURES AS NECESSARY FOR
PROPER OPERATION. INSTALL ADDITIONAL EROSION CONTROL MEASURES IF
DETERMINED NECESSARY BY INSPECTOR.
6.INSPECT ALL EROSION CONTROL DEVICES AFTER EVERY RAINFALL EVENT AND
AT LEAST ONCE PER WEEK. REPAIR AND CLEAN OUT AS REQUIRED.
7.NOTIFY NEW HANOVER COUNTY FOR AN INSPECTION AFTER THIS IS
COMPLETED.
8.PROCEED TO PHASE 2 OF THE EROSION CONTROL SEQUENCE WHEN PHASE 1
MEASURES HAVE BEEN COMPLETED, INSPECTED, AND APPROVED.
SKIMMER SEDIMENT BASIN MAINTENANCE
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2
INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND
RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO
ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. PULL THE SKIMMER TO ONE SIDE SO THAT THE
SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE
BASIN, NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION
GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER. REPAIR
BAFFLES IF THEY ARE DAMAGED. RE-ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH
OR AROUND THEM. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE
BASIN, USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND
DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER
OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK THE ORIFICE INSIDE
THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE DEBRIS. IF THE SKIMMER ARM OR
BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED
WITH A PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE AND REPLACE THE ORIFICE
BEFORE REPOSITIONING THE SKIMMER. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND
MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY.
CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE
EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY.
REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS. FREEZING
WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE
TAKEN IN THE WINTER TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
BAFFLES MAINTENANCE
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN ACCESS TO THE BAFFLES. SHOULD THE FABRIC
OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE SEDIMENT DEPOSITS WHEN IT
REACHES HALF FULL, TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO
REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID DAMAGING THE BAFFLES DURING
CLEANOUT, AND REPLACE IF DAMAGED DURING CLEANOUT OPERATIONS. SEDIMENT DEPTH
SHOULD NEVER EXCEED HALF THE DESIGNED STORAGE DEPTH. AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND STABILIZE IT.
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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H
C
,
N
C
D
O
T
,
A
N
D
C
F
P
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A
12
/
0
3
/
2
0
2
0
C4.0
ER
O
S
I
O
N
C
O
N
T
R
O
L
P
L
A
N
-
P
H
A
S
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I
A. MAY
B. DOWNS
R. BAKER
09/02/2020
CI
R
C
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-
N
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-
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L
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-
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37630.054
NA
D
8
3
0
SCALE 1"=40'
80'40'
32
32
31
31
30
30
30
29
29
2
9
29
28
28
28
28
28
28
28
2
8
27
27 27
27
27
27
27
2
7
2
7
27
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26
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2
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6
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2
6
2
6
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6
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26 26
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2
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25252525
2
5
25 25 25 25 25
25 25
25
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25
2525
252525
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2525
25
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2
4
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24
24
2424
24 24
24 24 24 24 24
242424
24
2424
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2
4
2
4
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2
4
2
4
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24
2
4
24
24
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24 24
24 24 24 24
24
24
2424
242424
24
24
24
24
242424
24242424
24
24
24
24
24
24
24
24
24
24
2424
2
4
24
24
24
23
23 23
2323
23
23
23 23 23 23
23
2
3 23
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23
2
3
2
3
23
23
2
3
2
3
23
2
3
2
3
2
3
23
23
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2323
23
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3
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3
2323
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2
3
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22
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2
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22
2
2
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2
2
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22
22
22
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22
2
2
2
2
22
2
2
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22 22
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2
2
2
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221
21
2121
21
21
21
2
1
21
2
1
21
2
1
21
2
1
21
21
2
1
2
1
21
2
1
2
1
21
21
21
21
21
21
2
1
2
1
21
21
2
1
2
0
2
0
2020
20
20
20
2
0
2
0
2
0
20
20
20
20
20
20
20
2
0
20
2020
2
0
20
20
2
0
2
0
20
2
0
2
0
2
0
20
2
0
20
2
0
2
0
20
20
1
9
1
9
1
9
19
19
19
19
19
1
9
1
9
19
19
19
19
19
1
9
1
9
1
9
1
9
1
9
19
19
1
9
1
9
1
9
18
18
18
1
8
18
1
8
1
8
18
18
1
8
18
18
1
8
18
1
8
1
8
1
8
1
8
1
8
1
8
17
1
7
17
1
7
1
7
17
17
1
7
1
7
17
1
7
1
7
16
16
16
1
6
16
16
1
6
1
6
1
61
6
1
6
1
5
15
1
5
1
5
15
1
5
1
5
1
4
1
4
13
W
W
W
W
W
W
W
W
W
W
W
W
W
W
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SANSANSANSANSANSANSAN
SA
N
SA
N
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SA
N
SA
N
SA
N
SA
N
W W W W W W W W W W W W W W W
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
PAVE
M
E
N
T
P
A
V
E
M
E
N
T
POWER VAULT
POWER VAULT
POWER VAULT
GRAV
E
L
GRAVEL
PAVEMENT
CONC.CONC.
ABANDONED
LIFT STATION
ABANDONED
LIFT STATION
POWER VAULT
RIPRAP
WETLANDS
5,968± SQ. FT.
0.14± AC.
UGP
UGT UGT
UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP
UGT UGT UGT UGT UGT UGT UGT UGT UGT UGT UGT UGT UGT
SA
N
SA
N
FENCE
FENCE
TREELIN
E
TREELIN
E
TR
E
E
L
I
N
E
TREE
L
I
N
E
SW
A
L
E
36
"
R
C
P
1
5
"
R
C
P
1
5
"
R
C
P
1
8
"
R
C
P
24" RCP
24
"
R
C
P
X
X
X
X
X
DI
T
C
H
D
I
T
C
H
24" RCP
INV=19.05
DI
RIM=21.77
INV(N)=19.46
INV(S)=19.47
INV=20.30
INV=21.18
BOTTOM=15.26
DI
RIM=21.59
INV(N)=13.27
INV(S)=13.04
INV=19.14INV=18.94
INV=16.58
INV=15.90
INV=19.40
INV=16.81
END UNKNOWN
WETLANDS
1,836± SQ. FT.
0.04± AC.
WETLAND
1,174± SQ. FT.
0.03± AC.
WETLAND
1,102± SQ. FT.
0.03± AC.
G G G G G G G G G G G G G G G G
GAS LINE DRAWN FROM
NCDOT PLANS GAS LINE DRAWN FROM
NCDOT PLANS
X
X
X
INV=14.72
15" DIP
END UNKNOWN
INV=12.50
DIT
C
H
INTERMITTENT
STREAM
WETLAND
447± SQ. FT.
0.01± AC.
FE
N
C
E
FM
FM
FM
8"
W
A
T
E
R
L
I
N
E
3
6
"
R
C
P
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
INTERMITTENT
STREAM BUFFER
RELATIVELY PERMANENT
WATER
1,698± SQ. FT.
0.04± AC.
RELATIVELY PERMANENT
WATER
2,108± SQ. FT.
0.05± AC.
EC120
L
O
D
LO
D
LO
D
LOD
LOD
LOD
EC102
EC101
EC103
LOD
LOD
LO
D
LO
D
LO
D
L
O
D
LOD LOD
LO
D
LODLOD
LO
D
L
O
D
LO
D
LOD
LO
D
L
O
D
LOD
LO
D
LO
D
LOD
LO
D
LO
D
LO
D
LOD
LOD
LOD
LOD
EC121
LOD LIMITS OF DISTURBANCE
EROSION CONTROL LEGEND
SILT FENCE
TEMPORARY INLET PROTECTION
POROUS BAFFLE
CONSTRUCTION ENTRANCE
EMERGENCY SPILLWAY / RIP RAP
APRON
TEMPORARY DIVERSION DITCH
CONCRETE WASHOUT
ROCK CHECK DAM
W
SILT FENCE STONE OUTLET
ROCK PIPE INLET PROTECTION
SKIMMER
PERMANENT DIVERSION DITCH
TEMPORARY TIMBER MAT
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1.ALL CONSTRUCTION SHALL COMPLY WITH NEW HANOVER COUNTY STANDARDS AND
SPECIFICATIONS.
2.A COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE ON FILE AT THE JOB SITE
AT ALL TIMES.
3.FAILURE TO FOLLOW THE APPROVED PLAN SEQUENCE AND DETAILS COULD SUBJECT
THE CONTRACTOR TO FINES AND PENALTIES ISSUED BY DEQ.
4.FIELD VERIFY ALL DIMENSIONS AND GRADES ON THESE PLANS PRIOR TO
CONSTRUCTION. FAILURE TO NOTIFY THE OWNER OF ANY DISCREPANCIES PRIOR TO
PROCEEDING WITH PLAN OR GRADE CHANGES, MAY RESULT IN NO EXTRA
COMPENSATION PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS
OR GRADES SHOWN INCORRECTLY.
5.EXCAVATION AND EARTH MOVING OPERATIONS SHALL BE CONDUCTED UNDER THE
SUPERVISION OF THE GEOTECHNICAL ENGINEER.
6.VERIFY THE LOCATION OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION. EXISTING
UTILITIES SHOWN ARE FROM THE BEST AVAILABLE RECORDS AND FROM A SURVEY OF
ABOVE GROUND FEATURES. NO WARRANTY IS GIVEN OR IMPLIED AS TO THE ACCURACY
OF THE INFORMATION. ALL EXISTING UTILITIES SHOULD BE CONSIDERED APPROXIMATE
IN LOCATION AND VERIFIED PRIOR TO COMMENCING ACTIVITY ON SITE.
7.ALL ADJACENT ROADS TO THE SITE ARE TO BE SWEPT AND WASHED AT THE END OF
EACH WORK DAY TO ENSURE NO SEDIMENT COLLECTS ON THE ROADWAYS.
8.INSPECT AND PROPERLY MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES
WEEKLY AND AFTER EVERY RAINFALL EVENT.
9.INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT
SEDIMENT RUNOFF.
10.PROVIDE NEW HANOVER COUNTY WITH THE LOCATION OF OFFSITE STOCKPILES USED
TO STORE EXCAVATED SOIL FROM THE SITE. THE LOCATION OF OFFSITE STOCKPILES
MUST BE AN UPLAND AREA. IF AN OFFSITE BORROW OR SPOIL SITE IS UTILIZED, THEN
THE DISTURBED AREA FOR THE BORROW/SPOIL SITE MUST BE INCLUDED IN THE LAND
DISTURBANCE PERMIT. THE CONTRACTOR WILL PROVIDE THE LOCATION OF ALL
EXCAVATED SOILS USED FOR THIS PROJECT TO NEW HANOVER COUNTY. THIS AREA
MUST ALSO BE AN UPLAND AREA.
10.1.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER CONTROL
MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY. CORRDINATE WITH
ILM CONTACT ON EXACT LOCATION.
11.CONCRETE WASHOUT TO BE LOCATED A MINIMUM OF 50' FROM ANY DRAINAGE
STRUCTURE.
12.THE EROSION CONTROL MEASURES INDICATED ON THE PLANS ARE THE MINIMUM
REQUIREMENTS.
13.ADDITIONAL MEASURES MAY BE REQUIRED, AS DIRECTED BY THE ENGINEER,
ENFORCEMENT OFFICER, OR OTHER GOVERNING AGENCY.
PHASE I EROSION CONTROL CONSTRUCTION SEQUENCE:
1.OWNER/DEVELOPER/CONTRACTOR SHALL OBTAIN A COPY OF THE APPROVED
EROSION CONTROL PLAN AND MAINTAIN A COPY OF THE PLAN ON SITE
THROUGHOUT DURATION OF CONSTRUCTION.
2.OWNER/CONTRACTOR SHALL NOTIFY NEW HANOVER COUNTY A MINIMUM OF 72
HOURS BEFORE START OF CONSTRUCTION ON EACH PHASE.
3.ONLY CLEAR/GRADE ENOUGH TO INSTALL SEDIMENT CONTROL DEVICES AS
SHOWN IN PHASE I.
4.INSTALL CONSTRUCTION ENTRANCE, PIPES, TEMPORARY DIVERSION DITCHES,
CHECK DAMS, AND TEMPORARY INLET PROTECTION AS INDICATED ON PLAN.
INSTALL SILT FENCE, SILT FENCE OUTLETS AROUND THE PERIMETER OF THE
SITE. DISTURB ONLY THE AREAS NECESSARY FOR INSTALLATION.
5.ADJUST EROSION AND SEDIMENT CONTROL MEASURES AS NECESSARY FOR
PROPER OPERATION. INSTALL ADDITIONAL EROSION CONTROL MEASURES IF
DETERMINED NECESSARY BY INSPECTOR.
6.INSPECT ALL EROSION CONTROL DEVICES AFTER EVERY RAINFALL EVENT AND
AT LEAST ONCE PER WEEK. REPAIR AND CLEAN OUT AS REQUIRED.
7.NOTIFY NEW HANOVER COUNTY FOR AN INSPECTION AFTER THIS IS
COMPLETED.
8.PROCEED TO PHASE 2 OF THE EROSION CONTROL SEQUENCE WHEN PHASE 1
MEASURES HAVE BEEN COMPLETED, INSPECTED, AND APPROVED.
EROSION CONTROL PLAN - PHASE I KEYNOTES
NUMBER DESCRIPTION
EC101 LIMITS OF DISTURBANCE
EC102 SILT FENCE; REFER TO DETAIL (TYP).
EC103 SILT FENCE OUTLET; REFER TO DETAIL (TYP.)
EC104 TEMPORARY 25' X 100' CONSTRUCTION ENTRANCE; REFER TO
DETAIL
EC105 TEMPORARY INLET PROTECTION; REFER TO DETAIL (TYP.)
EC106
SKIMMER SEDIMENT BASIN #1
DRAINAGE AREA=4.37 AC; DIST AREA=4.37 AC
REQ'D SURFACE AREA=4,133 SF; REQ'D STORAGE=7,866 CF
PROV'D SURFACE AREA=12,185 SF; PROV'D STORAGE=20,670 CF
(OR EQUIVALENT SURFACE AREA & VOLUME)
PROVIDE 3" SKIMMER W/ 1.75" DIA. ORIFICE ON
4'X4'X1'D CLASS B PAD; TETHER TO BERM
INV=14.50'
EC107
TEMP. DIVERSION DITCH #1
LENGTH = 341'; DRAINAGE AREA = 0.78 AC; S = 1.6%
Q10 = 2.3 CFS; V10 = 2.65 FPS
D10 = 0.5'; T = 0.5 #/SF; B = 0.5'
USE 0.50' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC108
TEMP. DIVERSION DITCH #2
LENGTH = 340'; DRAINAGE AREA = 0.25 AC; S = 1.8%
Q10 = 0.7 CFS; V10 = 2.07 FPS
D10 = 0.3'; T = 0.33 #/SF; B = 0.5'
USE 0.50' FBD' 0.8' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC111 3 POROUS BAFFLES
EC112
15' WIDE SPILLWAY W/ CLASS B RIPRAP & NON-WOVEN LINER
OR 50 MIL HEAVY DUTY SILVER TARP
TOP=19.00 CREST=20.50
EC113 3:1 SIDE SLOPE
EC114 CLASS A RIP RAP DISSIPATER PAD (11'L X 6.5'W X 12"D)
EC115 CLASS A RIP RAP DISSIPATER PAD (17'L X 5.3'W X 12"D)
EC116 CLASS A RIP RAP DISSIPATER PAD (6'L X 4.5'W X 12"D)
EC117A
TEMPORARY ROCK PIPE INLET PROTECTION #1
DRAINAGE AREA = 0.54 AC; DISTURBED AREA = 0.02 AC
VOLUME REQUIRED = 72 CF; VOLUME PROVIDED = 72 CF
SIDE SLOPES = 2.5:1; DEPTH = 2 FT
TOP OF SEDIMENT STORAGE SURFACE AREA = 56 SF
EC117B
TEMPORARY ROCK PIPE INLET PROTECTION #2
DRAINAGE AREA = 2.49 AC; DISTURBED AREA = 0.55 AC
VOLUME REQUIRED = 1,980 CF; VOLUME PROVIDED = 2,012 CF
SIDE SLOPES = 2:1; DEPTH = 4 FT
TOP OF SEDIMENT STORAGE SURFACE AREA = 886 SF
EC118
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
EC119 CIRCLE K FUNDED CONSTRUCTION WORK
EC120 ILM FUNDED CONSTRUCTION WORK
EC121 TEMPORARY TIMBER MAT
EC122 VEGETATIVE FILTER STRIP IIIA. LINE WITH NORTH AMERICAN
GREEN S75. SEE GRADING PLAN AND POND DETAIL SHEET.
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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B. DOWNS
R. BAKER
09/02/2020
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TRAFFIC
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EDGE OF PAVEM
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POWER VAULT
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TRAFFIC
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TRAFFIC
SIGNAL
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WATER VAULT
FENCE
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INV=16.92
INV=13.97
INV=13.57
INV=16.52
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AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
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EC223
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EC217
EC201
EC201
EC202
EC202
EC203
EC203
EC202
EC204
EC205
EC226B
EC226
EC214
EC206
EC207
EC208
EC209
EC210
EC211
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EC226
EC226
EC202
LOD LIMITS OF DISTURBANCE
EROSION CONTROL LEGEND
SILT FENCE
TEMPORARY INLET PROTECTION
POROUS BAFFLE
CONSTRUCTION ENTRANCE
EMERGENCY SPILLWAY / RIP RAP
APRON
TEMPORARY DIVERSION DITCH
CONCRETE WASHOUT
ROCK CHECK DAM
W
SILT FENCE STONE OUTLET
ROCK PIPE INLET PROTECTION
SKIMMER
PERMANENT DIVERSION DITCH
TEMPORARY TIMBER MAT
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1.ALL CONSTRUCTION SHALL COMPLY WITH NEW HANOVER COUNTY STANDARDS AND
SPECIFICATIONS.
2.A COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE ON FILE AT THE JOB SITE
AT ALL TIMES.
3.FAILURE TO FOLLOW THE APPROVED PLAN SEQUENCE AND DETAILS COULD SUBJECT
THE CONTRACTOR TO FINES AND PENALTIES ISSUED BY DEQ.
4.FIELD VERIFY ALL DIMENSIONS AND GRADES ON THESE PLANS PRIOR TO
CONSTRUCTION. FAILURE TO NOTIFY THE OWNER OF ANY DISCREPANCIES PRIOR TO
PROCEEDING WITH PLAN OR GRADE CHANGES, MAY RESULT IN NO EXTRA
COMPENSATION PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS
OR GRADES SHOWN INCORRECTLY.
5.EXCAVATION AND EARTH MOVING OPERATIONS SHALL BE CONDUCTED UNDER THE
SUPERVISION OF THE GEOTECHNICAL ENGINEER.
6.VERIFY THE LOCATION OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION. EXISTING
UTILITIES SHOWN ARE FROM THE BEST AVAILABLE RECORDS AND FROM A SURVEY OF
ABOVE GROUND FEATURES. NO WARRANTY IS GIVEN OR IMPLIED AS TO THE ACCURACY
OF THE INFORMATION. ALL EXISTING UTILITIES SHOULD BE CONSIDERED APPROXIMATE
IN LOCATION AND VERIFIED PRIOR TO COMMENCING ACTIVITY ON SITE.
7.ALL ADJACENT ROADS TO THE SITE ARE TO BE SWEPT AND WASHED AT THE END OF
EACH WORK DAY TO ENSURE NO SEDIMENT COLLECTS ON THE ROADWAYS.
8.INSPECT AND PROPERLY MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES
WEEKLY AND AFTER EVERY RAINFALL EVENT.
9.INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT
SEDIMENT RUNOFF.
10.PROVIDE NEW HANOVER COUNTY WITH THE LOCATION OF OFFSITE STOCKPILES USED
TO STORE EXCAVATED SOIL FROM THE SITE. THE LOCATION OF OFFSITE STOCKPILES
MUST BE AN UPLAND AREA. IF AN OFFSITE BORROW OR SPOIL SITE IS UTILIZED, THEN
THE DISTURBED AREA FOR THE BORROW/SPOIL SITE MUST BE INCLUDED IN THE LAND
DISTURBANCE PERMIT. THE CONTRACTOR WILL PROVIDE THE LOCATION OF ALL
EXCAVATED SOILS USED FOR THIS PROJECT TO NEW HANOVER COUNTY. THIS AREA
MUST ALSO BE AN UPLAND AREA.
10.1.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER CONTROL
MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY. CORRDINATE WITH
ILM CONTACT ON EXACT LOCATION.
11.CONCRETE WASHOUT TO BE LOCATED A MINIMUM OF 50' FROM ANY DRAINAGE
STRUCTURE.
12.THE EROSION CONTROL MEASURES INDICATED ON THE PLANS ARE THE MINIMUM
REQUIREMENTS.
13.ADDITIONAL MEASURES MAY BE REQUIRED, AS DIRECTED BY THE ENGINEER,
ENFORCEMENT OFFICER, OR OTHER GOVERNING AGENCY.
EROSION CONTROL PLAN - PHASE II KEYNOTES
NUMBER DESCRIPTION
EC201 LIMITS OF DISTURBANCE
EC202 SILT FENCE; REFER TO DETAIL (TYP.)
EC203 SILT FENCE OUTLET; REFER TO DETAIL (TYP.)
EC204 TEMPORARY 25' X 100' CONSTRUCTION ENTRANCE; REFER TO
DETAIL
EC205 TEMPORARY INLET PROTECTION; REFER TO DETAIL
EC206
PERMANENT DIVERSION DITCH #1
DRAINAGE AREA= 2.24 AC; S = 1.6%
Q10 = 9.5 CFS; V10=3.77 FPS
D10=1.0'; T=0.97 #/SF
USE 0.5' FBD' 1.5' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC207
PERMANENT DIVERSION DITCH #2
DRAINAGE AREA= 0.24 AC; S = 4.1%
Q10 = 1.4 CFS; V10=3.85 FPS
D10=0.5'; T=1.28 #/SF
USE 0.5' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC208
PERMANENT DIVERSION DITCH #3
DRAINAGE AREA= 0.70 AC; S = 0.8%
Q10 = 3.8 CFS; V10=2.29 FPS
D10=0.75'; T=0.4 #/SF
USE 0.25' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC209
PERMANENT DIVERSION DITCH #4
DRAINAGE AREA= 1.06 AC; S = 1.1%
Q10 = 8.3 CFS; V10= 3.2 FPS
D10=1.0'; T=0.7 #/SF
USE 0.0' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC210
PERMANENT DIVERSION DITCH #5
DRAINAGE AREA= 1.53 AC; S = 0.3%
Q10 = 11.7 CFS; V10= 2.28 FPS
D10=1.5'; T=0.31 #/SF
USE 0.0' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC211
PERMANENT DIVERSION DITCH #6
DRAINAGE AREA= 1.22 AC; S = 0.7%
Q10 = 5.3 CFS; V10= 2.26 FPS
D10= 0.75'; T=0.3 #/SF; B=1.0'
USE 0.5' FBD' 1.25' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC212
PERMANENT DIVERSION DITCH #7
DRAINAGE AREA= 0.50 AC; S =4.60%
Q10 = 2.4 CFS; V10= 5.18 FPS
D10= 0.50'; T=1.43 #/SF; B=2.0'
USE 0.5' FBD' 1.00' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC213
PERMANENT DIVERSION DITCH #8
DRAINAGE AREA= 1.24 AC; S = 0.6%
Q10 = 7.2 CFS; V10= 2.37 FPS
D10= 0.75'; T=0.29 #/SF; B=2.0'
USE 0.25' FBD' 1.00' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC214 3:1 SIDE SLOPES
EC215 CLASS B RIP RAP DISSIPATER PAD (12'L X 6'W X 18"D)
EC216 CLASS B RIP RAP DISSIPATER PAD (16'L X 6'W X 18"D)
EC217 CLASS A RIP RAP DISSIPATER PAD (6'L X 4.5'W X 12"D)
EC221
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
EC222 CIRCLE K FUNDED CONSTRUCTION WORK
EC223 ILM FUNDED CONSTRUCTION WORK
EC224 CLASS B RIP RAP DISSIPATER PAD (18'L X 9'W X 18"D)
EC225 CLASS A RIP RAP DISSIPATER PAD (8'L X 6'W X 12"D)
EC226 ROCK CHECK DAM
EC227 3 POROUS BAFFLES
EC228
PROVIDE 5" SKIMMER W/ 4" DIA. ORIFICE ON
4'X4'X1'D CLASS B PAD; TETHER TO BERM
INV=13.25'
EC229 VEGETATIVE FILTER STRIP IIIB. LINE WITH NORTH AMERICAN
GREEN S75. SEE GRADING PLAN AND POND DETAIL SHEET.
PHASE II EROSION CONTROL CONSTRUCTION SEQUENCE:
1.MAINTAIN ALL EXISTING EROSION CONTROL FEATURES PREVIOUSLY CONSTRUCTED AND ASSOCIATED WITH PHASE 2 EROSION CONTROL.
2.CONTINUE BRINGING FILL INTO THE SITE. IMPORTED MATERIAL WILL REQUIRE A PERMITTED SITE APPROVAL BEFORE THIS PROCESS BEGINS. ALL FILL
SHALL BE BROUGHT INTO THE SITE AND EVENLY SPREAD OUT THROUGH THE SITE AS SHOWN IN LIFTS OF NO MORE THAT 1.0' AT A TIME. FILL SHALL BE
ROLL COMPACTED BY A DOZER OR EQUIVALENT AS IT IS PLACED.
3.BEGIN INSTALLATION OF THE STORM PIPE SYSTEM FROM OUTLET POINT (LOW END) AND WORK UPSTREAM. PIPE INLET PROTECTION SHALL BE
UTILIZED AT THE END OF EACH WO
4.INSTALL SITE IMPROVEMENTS, STORMWATER DRAINAGE SYSTEM, UTILITY SERVICES, SIDEWALKS AND DRIVES AS SHOWN ON THE APPROVED PLANS.
ALL OPEN TRENCHES FOR UTILITY AND STORMWATER INSTALLATION SHALL BE PROTECTED FROM SEDIMENTATION BY PILING EXCAVATED MATERIAL
ON THE UPHILL SIDE OF EXCAVATION.
5.INSTALL ADEQUATE EROSION AND SEDIMENT CONTROL MEASURES AND/OR INCREASE MAINTENANCE FREQUENCY WHERE APPROVED MEASURES FAIL
TO PREVENT ACCELERATED EROSION, OFF-SITE SEDIMENTATION, OR REPETITIVE NON-COMPLIANCE ISSUES. ALL MEASURES MUST BE INSTALLED PER
PLAN DETAIL. ENSURE CONSTRUCTION TRAFFIC IS LIMITED TO THE CONSTRUCTION ENTRANCE ONLY.
6.GROUND COVER SHALL BE PROVIDED AS FOLLOWS:
·FOR ALL AREAS OF MODERATE AND/OR STEEP SLOPES, PROVIDE TEMPORARY GROUND COVER IF THE SLOPE HAS NOT BEEN DISTURBED FOR
A PERIOD OF FOURTEEN (14) DAYS. SLOPES GREATER THAN 3:1 REQUIRE GROUND COVER IN 7 DAYS.
·PROVIDE GROUND COVER SUFFICIENT TO RESTRAIN EROSION ON ANY PORTION OF THE SITE UPON WHICH FURTHER LAND-DISTURBING
ACTIVITY IS NOT BEING UNDERTAKEN WITHIN FOURTEEN (14) CALENDAR DAYS OF TEMPORARILY OR PERMANENTLY SUSPENDING LAND
DISTURBING ACTIVITY.
·ESTABLISH PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION WITHIN FOURTEEN (14) CALENDAR DAYS FOLLOWING
COMPLETION OF CONSTRUCTION OR DEVELOPMENT AND/OR PRIOR TO FINAL INSPECTION.
8.INSTALL CURB & GUTTER AND GRAVEL BASE.
9.MODIFICATIONS TO THE APPROVED AND PERMITTED PLANS SHALL BE APPROVED BY EROSION CONTROL INSPECTIONS PRIOR TO REMOVAL OR
INSTALLATION. CONTACT THE EROSION CONTROL INSPECTOR TO OBTAIN SIGN-OFF ON THE PLANS.
10.MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES IN GOOD WORKING ORDER. SILT FENCE, INLET PROTECTION, AND OTHER SIMILAR
MEASURES MUST BE CLEANED OUT BEFORE THEY ARE HALF FULL. CLOGGED STONE FILTERS MUST BE REFRESHED/REPLACED. SILT FENCE CAN NOT
HAVE HOLES OR TEARS.
11.AT A MINIMUM OF SEVEN (7) DAYS PRIOR TO SCHEDULING THE STORMWATER FINAL INSPECTION, SUBMIT ANY REQUIRED PAPERWORK TO THE
EROSION CONTROL INSPECTORS FOR APPROVAL. FAILURE TO DO SO WILL PREVENT A CERTIFICATE OF OCCUPANCY FROM BEING ISSUED.
12.ONCE THE STORMWATER FINAL INSPECTION IS APPROVED, CLOSE THE GRADING PERMIT AND OBTAIN A CERTIFICATE OF COMPLETION.
SKIMMER SEDIMENT BASIN MAINTENANCE
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2
INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND
RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO
ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. PULL THE SKIMMER TO ONE SIDE SO THAT THE
SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE
BASIN, NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION
GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER. REPAIR
BAFFLES IF THEY ARE DAMAGED. RE-ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH
OR AROUND THEM. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE
BASIN, USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND
DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER
OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK THE ORIFICE INSIDE
THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE DEBRIS. IF THE SKIMMER ARM OR
BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED
WITH A PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE AND REPLACE THE ORIFICE
BEFORE REPOSITIONING THE SKIMMER. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND
MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY.
CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE
EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY.
REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS. FREEZING
WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE
TAKEN IN THE WINTER TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
BAFFLES MAINTENANCE
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN ACCESS TO THE BAFFLES. SHOULD THE FABRIC
OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE SEDIMENT DEPOSITS WHEN IT
REACHES HALF FULL, TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO
REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID DAMAGING THE BAFFLES DURING
CLEANOUT, AND REPLACE IF DAMAGED DURING CLEANOUT OPERATIONS. SEDIMENT DEPTH
SHOULD NEVER EXCEED HALF THE DESIGNED STORAGE DEPTH. AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND STABILIZE IT.
JOB NO.
SHEET NO.
SCALE
DESIGNED BY
CHECKED BY
DA
T
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DRAWN BY
DATE
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ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL NEW HANOVER COUNTY, CAPE FEAR
PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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37630.054
NA
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3
0
SCALE 1"=40'
80'40'
8''W
8''W
8'
'
W
S
SAN
S
SA
N
S
SA
N
SAN SAN
32
32
31
31
30
30
30
29
29
2
9
29
28
28
28
28
28
28
28
2
8
27
27 27
27
27
27
27
2
7
2
7
27
27
27
26
26
26
26
26
26
2
6
26
2
6
26
2
6
2
6
2
6
26
26
26 26
26
26
26 26
26
26
2
6
26
2
6
2
5
25
2
5
25
25
25
25
25
2
5
25
2
5
25
25
25
25
25252525
2
5
25 25 25 25 25
25
25
2525
252525
25
2525
25
24
2
4
24
24
24
2424
24 24
24 24 24 24 24
2424
242424
2
4
2
4
24
24
24
24
2
4
2
4
24
24
2
4
24
24
24
24 24
24 24
24
2424
242424
24
24
24
2424
24242424
24
24
24
24
24
24
24
24
24
24
2
4
24
24
24
2323
23
23
23 23 23 23
23
2
3 23
23
23
2
3
2
3
23
23
2
3
2
3
23
2
3
2
3
2
3
23
23
23
23
2323
23
23
23
23
2
3
23
23
2323
23
23
23
23
23
2
3
23
23
23
23
23
2
3
23
23
23
2
3
23
23
23
2
3
2
3
23
22
22
22
22
22
22
2
2
22
22
22
2
2
22
22
22
22
22
22
2
2
22
22
22
22
22
22
22
22
22
22
22
22
2
2
2
2
22
2
2
22
22
22 22
22
22
22
22
21
21
2121
21
21
21
2
1
21
2
1
21
2
1
21
2
1
21
21
2
1
2
1
21
2
1
2
1
21
21
21
21
21
2
1
21
21
2
1
2020
20
20
20
2
0
2
0
2
0
20
20
20
20
20
20
20
2
0
20
2020
2
0
20
20
2
0
2
0
20
2
0
2
0
2
0
20
2
0
20
2
0
2
0
20
20
1
9
1
9
1
9
19
19
19
19
19
1
9
1
9
19
19
19
19
19
1
9
1
9
1
9
1
9
19
19
1
9
1
9
1
9
18
18
18
1
8
18
1
8
1
8
18
18
1
8
18
18
1
8
18
1
8
1
8
1
8
1
8
1
8
1
8
17
1
7
17
1
7
1
7
17
17
1
7
1
7
17
1
7
1
7
16
16
16
1
6
16
16
1
6
16
1
61
6
1
6
1
5
15
1
5
1
5
15
1
5
1
5
1
4
1
4
13
W
W
W
W
W
W
W
W
W
W
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SANSANSANSANSANSAN
SA
N
SA
N
S
A
N
S
A
N
S
A
N
S
A
N
S
A
N
SA
N
SA
N
SA
N
SA
N
W W W W W W W W W W W W W
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EDGE OF PAVEMENT
PAVE
M
E
N
T
P
A
V
E
M
E
N
T
POWER VAULT
POWER VAULT
POWER VAULT
GRAV
E
L
GRAVEL
CONC.CONC.
ABANDONED
LIFT STATION
ABANDONED
LIFT STATION
POWER VAULT
WETLANDS
5,968± SQ. FT.
0.14± AC.
UGP
UGT UGT
UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP UGP
UGT UGT
UGT UGT UGT UGT UGT UGT UGT UGT UGT
FENCE
FENCE
TREELI
N
E
TREELIN
E
TR
E
E
L
I
N
E
TREE
L
I
N
E
SW
A
L
E
36
"
R
C
P
1
5
"
R
C
P
1
5
"
R
C
P
1
8
"
R
C
P
24
"
R
C
P
X
X
X
X
X
DI
T
C
H
D
I
T
C
H
INV=19.05
DI
RIM=21.77
INV(N)=19.46
INV(S)=19.47
INV=20.30
INV=21.18
DI
RIM=21.59
INV(N)=13.27
INV(S)=13.04
INV=16.58
INV=19.40
INV=16.81
END UNKNOWN
WETLANDS
1,836± SQ. FT.
0.04± AC.
WETLAND
1,174± SQ. FT.
0.03± AC.
WETLAND
1,102± SQ. FT.
0.03± AC.
G G G G G G G G G G G G G G
GAS LINE DRAWN FROM
NCDOT PLANS GAS LINE DRAWN FROM
NCDOT PLANS
X
X
X
INV=14.72
15" DIP
END UNKNOWN
DIT
C
H
INTERMITTENT
STREAM
WETLAND
447± SQ. FT.
0.01± AC.
FE
N
C
E
FM
FM
FM
8"
W
A
T
E
R
L
I
N
E
3
6
"
R
C
P
AIRPORT BOULEVARD
(EXISTING NEW HANOVER COUNTY ROAD)
VARIABLE WIDTH ROW
12" PVC
12" PVC
INTERMITTENT
STREAM BUFFER
RELATIVELY PERMANENT
WATER
2,108± SQ. FT.
0.05± AC.
EC223
L
O
D
LO
D
LO
D
LOD
LOD
LOD
EC224
EC225
EC201
EC202
EC203
LOD
LOD
LO
D
LO
D
LO
D
L
O
D
LOD LOD
LO
D
LODLOD
LO
D
L
O
D
LO
D
LOD
LO
D
L
O
D
LOD
LO
D
LO
D
LOD
LO
D
LO
D
LO
D
LOD
LOD
LOD
LOD
15
21 18
15
20
21
15 15 19
20
15
18
20
23
16
20
15
14
1
4
1318
18 13
18
13 18
15
20
2
1
22
20
2223
15
20
EC202
EC203
1919
19
20
21
22
2
2
21
23
2
3
1
9
23
20
EC205
EC226
EC226
EC212
EC213
EC227
EC228
EC202
EC202
EC229
LOD LIMITS OF DISTURBANCE
EROSION CONTROL LEGEND
SILT FENCE
TEMPORARY INLET PROTECTION
POROUS BAFFLE
CONSTRUCTION ENTRANCE
EMERGENCY SPILLWAY / RIP RAP
APRON
TEMPORARY DIVERSION DITCH
CONCRETE WASHOUT
ROCK CHECK DAM
W
SILT FENCE STONE OUTLET
ROCK PIPE INLET PROTECTION
SKIMMER
PERMANENT DIVERSION DITCH
TEMPORARY TIMBER MAT
GENERAL EROSION AND SEDIMENT CONTROL NOTES:
1.ALL CONSTRUCTION SHALL COMPLY WITH NEW HANOVER COUNTY STANDARDS AND
SPECIFICATIONS.
2.A COPY OF THE APPROVED EROSION CONTROL PLAN MUST BE ON FILE AT THE JOB SITE
AT ALL TIMES.
3.FAILURE TO FOLLOW THE APPROVED PLAN SEQUENCE AND DETAILS COULD SUBJECT
THE CONTRACTOR TO FINES AND PENALTIES ISSUED BY DEQ.
4.FIELD VERIFY ALL DIMENSIONS AND GRADES ON THESE PLANS PRIOR TO
CONSTRUCTION. FAILURE TO NOTIFY THE OWNER OF ANY DISCREPANCIES PRIOR TO
PROCEEDING WITH PLAN OR GRADE CHANGES, MAY RESULT IN NO EXTRA
COMPENSATION PAID TO THE CONTRACTOR FOR ANY WORK DONE DUE TO DIMENSIONS
OR GRADES SHOWN INCORRECTLY.
5.EXCAVATION AND EARTH MOVING OPERATIONS SHALL BE CONDUCTED UNDER THE
SUPERVISION OF THE GEOTECHNICAL ENGINEER.
6.VERIFY THE LOCATION OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION. EXISTING
UTILITIES SHOWN ARE FROM THE BEST AVAILABLE RECORDS AND FROM A SURVEY OF
ABOVE GROUND FEATURES. NO WARRANTY IS GIVEN OR IMPLIED AS TO THE ACCURACY
OF THE INFORMATION. ALL EXISTING UTILITIES SHOULD BE CONSIDERED APPROXIMATE
IN LOCATION AND VERIFIED PRIOR TO COMMENCING ACTIVITY ON SITE.
7.ALL ADJACENT ROADS TO THE SITE ARE TO BE SWEPT AND WASHED AT THE END OF
EACH WORK DAY TO ENSURE NO SEDIMENT COLLECTS ON THE ROADWAYS.
8.INSPECT AND PROPERLY MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES
WEEKLY AND AFTER EVERY RAINFALL EVENT.
9.INSTALL ANY ADDITIONAL EROSION CONTROL MEASURES AS NECESSARY TO PREVENT
SEDIMENT RUNOFF.
10.PROVIDE NEW HANOVER COUNTY WITH THE LOCATION OF OFFSITE STOCKPILES USED
TO STORE EXCAVATED SOIL FROM THE SITE. THE LOCATION OF OFFSITE STOCKPILES
MUST BE AN UPLAND AREA. IF AN OFFSITE BORROW OR SPOIL SITE IS UTILIZED, THEN
THE DISTURBED AREA FOR THE BORROW/SPOIL SITE MUST BE INCLUDED IN THE LAND
DISTURBANCE PERMIT. THE CONTRACTOR WILL PROVIDE THE LOCATION OF ALL
EXCAVATED SOILS USED FOR THIS PROJECT TO NEW HANOVER COUNTY. THIS AREA
MUST ALSO BE AN UPLAND AREA.
10.1.CONTRACTOR TO MOVE EXCESS SOIL EXCAVATED FROM STORMWATER CONTROL
MEASURES TO DESIGNED STOCKPILE AREA ON ILM PROPERTY. CORRDINATE WITH
ILM CONTACT ON EXACT LOCATION.
11.CONCRETE WASHOUT TO BE LOCATED A MINIMUM OF 50' FROM ANY DRAINAGE
STRUCTURE.
12.THE EROSION CONTROL MEASURES INDICATED ON THE PLANS ARE THE MINIMUM
REQUIREMENTS.
13.ADDITIONAL MEASURES MAY BE REQUIRED, AS DIRECTED BY THE ENGINEER,
ENFORCEMENT OFFICER, OR OTHER GOVERNING AGENCY.
EROSION CONTROL PLAN - PHASE II KEYNOTES
NUMBER DESCRIPTION
EC201 LIMITS OF DISTURBANCE
EC202 SILT FENCE; REFER TO DETAIL (TYP.)
EC203 SILT FENCE OUTLET; REFER TO DETAIL (TYP.)
EC204 TEMPORARY 25' X 100' CONSTRUCTION ENTRANCE; REFER TO
DETAIL
EC205 TEMPORARY INLET PROTECTION; REFER TO DETAIL
EC206
PERMANENT DIVERSION DITCH #1
DRAINAGE AREA= 2.24 AC; S = 1.6%
Q10 = 9.5 CFS; V10=3.77 FPS
D10=1.0'; T=0.97 #/SF
USE 0.5' FBD' 1.5' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC207
PERMANENT DIVERSION DITCH #2
DRAINAGE AREA= 0.24 AC; S = 4.1%
Q10 = 1.4 CFS; V10=3.85 FPS
D10=0.5'; T=1.28 #/SF
USE 0.5' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC208
PERMANENT DIVERSION DITCH #3
DRAINAGE AREA= 0.70 AC; S = 0.8%
Q10 = 3.8 CFS; V10=2.29 FPS
D10=0.75'; T=0.4 #/SF
USE 0.25' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC209
PERMANENT DIVERSION DITCH #4
DRAINAGE AREA= 1.06 AC; S = 1.1%
Q10 = 8.3 CFS; V10= 3.2 FPS
D10=1.0'; T=0.7 #/SF
USE 0.0' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC210
PERMANENT DIVERSION DITCH #5
DRAINAGE AREA= 1.53 AC; S = 0.3%
Q10 = 11.7 CFS; V10= 2.28 FPS
D10=1.5'; T=0.31 #/SF
USE 0.0' FBD' 1.0' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC211
PERMANENT DIVERSION DITCH #6
DRAINAGE AREA= 1.22 AC; S = 0.7%
Q10 = 5.3 CFS; V10= 2.26 FPS
D10= 0.75'; T=0.3 #/SF; B=1.0'
USE 0.5' FBD' 1.25' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC212
PERMANENT DIVERSION DITCH #7
DRAINAGE AREA= 0.50 AC; S =4.60%
Q10 = 2.4 CFS; V10= 5.18 FPS
D10= 0.50'; T=1.43 #/SF; B=2.0'
USE 0.5' FBD' 1.00' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC213
PERMANENT DIVERSION DITCH #8
DRAINAGE AREA= 1.24 AC; S = 0.6%
Q10 = 7.2 CFS; V10= 2.37 FPS
D10= 0.75'; T=0.29 #/SF; B=2.0'
USE 0.25' FBD' 1.00' DEEP W/ 3:1 SIDES
LINE W/ N. AMERICAN GREEN (S75)
EC214 3:1 SIDE SLOPES
EC215 CLASS B RIP RAP DISSIPATER PAD (12'L X 6'W X 18"D)
EC216 CLASS B RIP RAP DISSIPATER PAD (16'L X 6'W X 18"D)
EC217 CLASS A RIP RAP DISSIPATER PAD (6'L X 4.5'W X 12"D)
EC221
CIRCLE K / ILM RESPONSIBILITY PHASE LINE DELINEATES THE
SCOPE OF WORK BREAKDOWN FOR THE PRIMARY WORK ON
EACH PAGE (I.E. UTILITY WORK ON THE UTILITY PLAN).
EC222 CIRCLE K FUNDED CONSTRUCTION WORK
EC223 ILM FUNDED CONSTRUCTION WORK
EC224 CLASS B RIP RAP DISSIPATER PAD (18'L X 9'W X 18"D)
EC225 CLASS A RIP RAP DISSIPATER PAD (8'L X 6'W X 12"D)
EC226 ROCK CHECK DAM
EC227 3 POROUS BAFFLES
EC228
PROVIDE 5" SKIMMER W/ 4" DIA. ORIFICE ON
4'X4'X1'D CLASS B PAD; TETHER TO BERM
INV=13.25'
EC229 VEGETATIVE FILTER STRIP IIIB. LINE WITH NORTH AMERICAN
GREEN S75. SEE GRADING PLAN AND POND DETAIL SHEET.
PHASE II EROSION CONTROL CONSTRUCTION SEQUENCE:
1.MAINTAIN ALL EXISTING EROSION CONTROL FEATURES PREVIOUSLY CONSTRUCTED AND ASSOCIATED WITH PHASE 2 EROSION CONTROL.
2.CONTINUE BRINGING FILL INTO THE SITE. IMPORTED MATERIAL WILL REQUIRE A PERMITTED SITE APPROVAL BEFORE THIS PROCESS BEGINS. ALL FILL
SHALL BE BROUGHT INTO THE SITE AND EVENLY SPREAD OUT THROUGH THE SITE AS SHOWN IN LIFTS OF NO MORE THAT 1.0' AT A TIME. FILL SHALL BE
ROLL COMPACTED BY A DOZER OR EQUIVALENT AS IT IS PLACED.
3.BEGIN INSTALLATION OF THE STORM PIPE SYSTEM FROM OUTLET POINT (LOW END) AND WORK UPSTREAM. PIPE INLET PROTECTION SHALL BE
UTILIZED AT THE END OF EACH WO
4.INSTALL SITE IMPROVEMENTS, STORMWATER DRAINAGE SYSTEM, UTILITY SERVICES, SIDEWALKS AND DRIVES AS SHOWN ON THE APPROVED PLANS.
ALL OPEN TRENCHES FOR UTILITY AND STORMWATER INSTALLATION SHALL BE PROTECTED FROM SEDIMENTATION BY PILING EXCAVATED MATERIAL
ON THE UPHILL SIDE OF EXCAVATION.
5.INSTALL ADEQUATE EROSION AND SEDIMENT CONTROL MEASURES AND/OR INCREASE MAINTENANCE FREQUENCY WHERE APPROVED MEASURES FAIL
TO PREVENT ACCELERATED EROSION, OFF-SITE SEDIMENTATION, OR REPETITIVE NON-COMPLIANCE ISSUES. ALL MEASURES MUST BE INSTALLED PER
PLAN DETAIL. ENSURE CONSTRUCTION TRAFFIC IS LIMITED TO THE CONSTRUCTION ENTRANCE ONLY.
6.GROUND COVER SHALL BE PROVIDED AS FOLLOWS:
·FOR ALL AREAS OF MODERATE AND/OR STEEP SLOPES, PROVIDE TEMPORARY GROUND COVER IF THE SLOPE HAS NOT BEEN DISTURBED FOR
A PERIOD OF FOURTEEN (14) DAYS. SLOPES GREATER THAN 3:1 REQUIRE GROUND COVER IN 7 DAYS.
·PROVIDE GROUND COVER SUFFICIENT TO RESTRAIN EROSION ON ANY PORTION OF THE SITE UPON WHICH FURTHER LAND-DISTURBING
ACTIVITY IS NOT BEING UNDERTAKEN WITHIN FOURTEEN (14) CALENDAR DAYS OF TEMPORARILY OR PERMANENTLY SUSPENDING LAND
DISTURBING ACTIVITY.
·ESTABLISH PERMANENT GROUND COVER SUFFICIENT TO RESTRAIN EROSION WITHIN FOURTEEN (14) CALENDAR DAYS FOLLOWING
COMPLETION OF CONSTRUCTION OR DEVELOPMENT AND/OR PRIOR TO FINAL INSPECTION.
8.INSTALL CURB & GUTTER AND GRAVEL BASE.
9.MODIFICATIONS TO THE APPROVED AND PERMITTED PLANS SHALL BE APPROVED BY EROSION CONTROL INSPECTIONS PRIOR TO REMOVAL OR
INSTALLATION. CONTACT THE EROSION CONTROL INSPECTOR TO OBTAIN SIGN-OFF ON THE PLANS.
10.MAINTAIN ALL EROSION AND SEDIMENT CONTROL MEASURES IN GOOD WORKING ORDER. SILT FENCE, INLET PROTECTION, AND OTHER SIMILAR
MEASURES MUST BE CLEANED OUT BEFORE THEY ARE HALF FULL. CLOGGED STONE FILTERS MUST BE REFRESHED/REPLACED. SILT FENCE CAN NOT
HAVE HOLES OR TEARS.
11.AT A MINIMUM OF SEVEN (7) DAYS PRIOR TO SCHEDULING THE STORMWATER FINAL INSPECTION, SUBMIT ANY REQUIRED PAPERWORK TO THE
EROSION CONTROL INSPECTORS FOR APPROVAL. FAILURE TO DO SO WILL PREVENT A CERTIFICATE OF OCCUPANCY FROM BEING ISSUED.
12.ONCE THE STORMWATER FINAL INSPECTION IS APPROVED, CLOSE THE GRADING PERMIT AND OBTAIN A CERTIFICATE OF COMPLETION.
SKIMMER SEDIMENT BASIN MAINTENANCE
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2
INCH OR GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND
RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO
ONE-HALF THE HEIGHT OF THE FIRST BAFFLE. PULL THE SKIMMER TO ONE SIDE SO THAT THE
SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE THE SEDIMENT FROM THE ENTIRE
BASIN, NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE SURE VEGETATION
GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER. REPAIR
BAFFLES IF THEY ARE DAMAGED. RE-ANCHOR THE BAFFLES IF WATER IS FLOWING UNDERNEATH
OR AROUND THEM. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE
BASIN, USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND
DISLODGE THE DEBRIS AND RESTORE FLOW. IF THIS DOES NOT WORK, PULL THE SKIMMER
OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS. ALSO CHECK THE ORIFICE INSIDE
THE SKIMMER TO SEE IF IT IS CLOGGED; IF SO REMOVE THE DEBRIS. IF THE SKIMMER ARM OR
BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED
WITH A PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE AND REPLACE THE ORIFICE
BEFORE REPOSITIONING THE SKIMMER. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND
MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH OF THE SPILLWAY.
CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR EROSION DAMAGE, AND INSPECT THE
EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY REPAIRS IMMEDIATELY.
REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS. FREEZING
WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE
TAKEN IN THE WINTER TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
BAFFLES MAINTENANCE
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN ACCESS TO THE BAFFLES. SHOULD THE FABRIC
OF A BAFFLE COLLAPSE, TEAR, DECOMPOSE, OR
BECOME INEFFECTIVE, REPLACE IT PROMPTLY. REMOVE SEDIMENT DEPOSITS WHEN IT
REACHES HALF FULL, TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO
REDUCE PRESSURE ON THE BAFFLES. TAKE CARE TO AVOID DAMAGING THE BAFFLES DURING
CLEANOUT, AND REPLACE IF DAMAGED DURING CLEANOUT OPERATIONS. SEDIMENT DEPTH
SHOULD NEVER EXCEED HALF THE DESIGNED STORAGE DEPTH. AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND STABILIZE IT.
JOB NO.
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PUBLIC UTILITY AUTHORITY, NCDEQ, AND NCDOT STANDARDS, SPECIFICATIONS, AND DETAILS
PRELIMINARY - NOT RELEASED FOR CONSTRUCTION
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SCALE 1"=40'
80'40'