SW7080503_APPROVED PLANS_20080529

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
c��(,���,9
YYYYMMDD

UOUIT`�T' OF
iTIV MMAI�
ASQUOTANK
VICINITY MAP
PASQUOTANK COUNTY
�o
NC STATE MAP NTS
PASQUOTANA
osmosis
�W111\ 11�1\YID
TO SERVE
COUNTY., NOR'�I� CAROLINA
BOARD OF COMMISSIONERS
CECIL PERRY, CHAIRMAN
JEFF DIXON
LLOYD E. GRIFFIN III
JIMMIE HARRI S
MARSHALL H. STEVENSON
BILL TRUEBLOOD
GEORGE MATTHEW WOOD JR.
INDEX OF SHEETS
C-1
COVER SHEET
WTP-1
EXISTING SITE PLAN
WTP-2
PROPOSED SITE PLAN
WTP-3
SPOT ELEVATIONS
WTP-4
EROSION CONTROL DETAILS
WTP-5
EROSON CONTROL DETAILS
WTP-6
EROSION CONTROL DETAILS
WTP-7
STORMWATER MANAGEMENT POND
WTP-8
STORMWATER MANAGEMENT POND
PLAN AND PROFILE
WTP-9
PROPOSED BMP LANDSCAPING PLAN
WTP-10
PHASE I GRADING AND EROSION CONTROL PLAN
RANDY KEATON, MANAGER
JOHN GREGORY, WATER DEPT. SUPERINTENDENT
11 " X 17" PLANS ARE
TRUE HALF SCALE
MARCH 2O08
Hobbs, Upchurch &Associates, P.A.
Consulting Engineers, Surveyors &Land Planners
Southern Pines. North Carolina 28387
300 S.W. Broad Street, Southern Pines, North Carolina 28387
Phone: [phone] — Fax: [phone]
APPROVED
NORTH CAROLINA ENVIRONMENTAL
MANAGEMENT COMMISSION
DIVISION OF WATER OUALIT`
Dare p J (al 2� nFi
Stormwater Permit No $vv 76 ?65 c
Yrv�VVrdn,� '-°

NOTE:
ALL EXPOSED SLOPES AND DISTURBED AREAS SHALL BE STABILIZED
WITHIN 21 DAYS OF COMPLETION OF ANY PHASE OF GRADING.
REVISIONS
SYM. DESCRIPTION DATE I BY
IMPERVIOUS AREAS UPDATED 5-19-081 DEW
DIVERSION SWALE DESIGN -PHASE II
SWALE
NO.
CHANNEL
SLOPE
SIDE
SLOPE
BOTTOM
WIDTH
LINING
TYPE
LINING
DEPTH
SWALE
LENGTH
START
INVERT
END
INVERT
CONSTRUCTION
PHASE
SD-1
.23%
3:1
0
S&M
1.25'
393'
7.4'
6.5'
11
SD-2
.12%
3:1
4'
S&M
1.25'
730'
7.4'
6.52'
I
SD-3
.12%
3:1
0
S&M
1.25'
80'
1 7.5'
7.4
II
SD-4
.12%
3:1
0
S&M
1.25'
80'
7.4'
1 7.3'
II
LINING TYPES
S&M: SEED AND MULCH
EM: EXCELSIOR MATTING
RR: RIPRAP
RCP SCHEDULE - PHASE II
RCP
#
DAM.
LENGTH
INVERT
IN
INVERT
OUT
SLOPE
FLARED END SECTIONS
AT BOTH ENDS
CONSTRUCTION
PHASE
1
18"
72'
6.7'
6.5'
.0027
YES
2
15"
64'
7.5'
7.4'
.0015
YES
3
15"
66'
7.5'
7.4'
.0015
YES
4
15"
75'
7.2'
7.1'
.0013
YES
5
15"
61'
7.2'
7.0'
.0032
YES
6
15"
92'
7.2
7.0'
.0021
YES
I
7
15"
80'
7.6'
7.5'
.0012
YES
I
8
15"
56'
7.6'
7.5'
.0018
YES
I
9
15"
72'
7.5'
7.4'
.0014
YES
I
10
18"
72'
7.5'
7.3'
1 .0028
1 YES
I
PROPOSED '
HORSESHOE _
RCP INLET i o0
PROTECTION, �+
AIR SITE
TRIANGLE
RELEASE
VALVE '�koo -
PROPOSED 12"
CONCENTRATE
FORCE MAIN
PROPOSED
PROPOSED UTILITY, 24" WATER
EASEMENT DISTRIBUTION
\ ° BEGIN ". MAIN
I R P
\\ SWALE \ °
#7 SD-2 PROPOSED
R 0' A 24" RAW WATER/
RC \ °\° \\ MAIN /
8 30' \° SWALE /
i 9 \ \ \, \\ SD-3
\ \\ \, - 10' WIDE DRAINAGE EASEMENT ;
I
EDGE OF PROPOSED /
\ \\ VA ASPHALT DRIVE
PROPOSED
EXISTING GRAVEL _ - _ _ RO PLANT
%s / y I SWALE
DRIVE AND 18" RCP 26E /°*/ \ s '� F F DIN1 036 °\\\\ SD-4
TO BE REMOVED BY ��- 68Ara ���� FUTURE \ \\ � DUMPSTER
COUNTY
% .N ,�9 * /° BEti�� \ \ �� / PAD
11 10 \
SyVACE yS•D 1 \ \ y RO PLANT
�i EXPANSION 10
RCP A 10 AA F.F.E.: 12
# \ \ R36'
RCPPROP\ \d \ \ \ PROPOSED
/*/ 'Y / #4 �' 1V\ WASTE CONTOUR
A °V FINISH GRADE
9�\\\\ CONTOUR
TANK
°\ TYPICAL
SLAB ELEV: 9
10 \ 10.0' i\�� *\ / 9
R36'
35.00' FUTURE i
\\
RCP STORAGE. \
1 /
i
R36_�__ / V PROPOSEQ/, V '
10 g % STO-RAGE
BORROW PIT \ \ 1, TANK
SWALE SLAB: 10.0'LID
#SD-1
RCP _
° i o �$
\ PERMANENT
\ \ STORMWATER I \ 00On \ ;i
\\\�� DETENTION
vv �� �� POND
ICY 4
PROPOSED °
CHAIN LINK \° END
FENCE \ / _ SWALE^
\ N76.
s4'S4., _ #SD-2y PROPOSED
\ _
v / x
Z�4so w � T, PROPD�D 104 LF */* x / i/ °/ TREE BUFFER
-1 RCP.
2-1.9
_psi PHASE II AREAS:
BUILDING: 16,000 S.F.',
PROPOSED /7
TREE LINE/ /,; TANKS: 24,000 S.F.''
- y PAVEMENT: 36,500 S.F.
PROPOSED STORMWATER PADS AND WALKS: 3,500 S.F.
I BUFFER \� (( TREE LINE
T.B.M. MANAGEMENT PLAN PERVIOUS AREAS: 123,700 S.F.
,��
LEGEND
►� PROPOSED GATE VALVE
POWER POLE
® PROPOSED YARD INLET
SWALE ARROW
PROPOSED RCP
-- EXISTING RCP
- CLEARING LIMITS
TREE LINE, TYP.
PROPOSED 18" D.I.P
CONNECTION
TO RAW WATER
PROPOSED
HYDRANT
E�ISTING GRAVEL
DRIVE AND 18" RCP
TO BE REMOVED BY
COUNTY
\\ EXISTING CONTOUR PROPOSEDCHAIN
PROPOSED CONTOUR PROPOSED FENCE LINK
HORSESHOE
-x-xx SILT FENCE INLET
INLET PROTECTION PROTECTION
/-P`1
® ROCK CHECK DAM RCP F-0R�M / y
#1 f
/ o
' i o O ° / \
R 6
o
000
9 8 f36-
RCP ° /�
i x
#2 / °' 10 �
PROPOSED
TREE
EXISTING IRON ROD
ELEV: 3.98
T.B.M.
PROPOSED 18" RCP
FLARED END SECTION
0 50 100
NOTE:
ALL BORROW PIT
AND STOCKPILE
THIS PROJECT PROPOSES NO
IMPACTS TO WETLANDS.
N 927221 .98
EXISTING IRON
ROD W RIPRAP DISSIPAT R
SCALE IN FEET
VOLUMES SHOWN
ARE ESTIMATES
THE ABSENCE OF WETLANDS
ON THIS SITE HAS BEEN
E 2775103.26
ELEV: 4.45'
INVERT OUT: 5.0'
ONLY, BASED
ON
GEOTECHNICAL
VERIFIED BY: DOUG DORMAN
(ATLANTIC ENVIRONMENTAL CONSULTANTS)
N 927171.81
VERTICAL DATUM IN FEET NAVD88
(BASED ON GPS SURVEY)
REPORT, AND
ARE CALCULATED
AND JOSH PELLETIER (ARMY
CORP. OF ENGINEERS, WASHINGTON,N.C. OFFICE)
E 2775272.98
WITHOUT ANY
ALLOWANCE
FOR
VIA A FIELD VISIT CONDUCTED ON: 10-17-07 AT SITE.
SHRINK OR SWELL. THE
CONTRACTOR SHALL ADJUST AS
NEEDED AND APPROPRIATE.
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DATE.
SEPT.
2007
DESIGNED,
CVB
DRAWN:
DEW
CHECKED:
CVB
SCALE:
AS SHOWN
SHEET N0.
WTP-7
0,

REVISIONS
EXISTING
I
STORMWATER
ENTRANCE
STORMWATER MANAGEMENT POND SURFACE AREA DIMENSIONS
3 FOREBAY
l1 6.0 f
\j\\------_ ----
END OF SHEET PILE WALL
0 50 100
SCALE IN FEET
OTE:
ERMANENT STORMWATER DETENTION POND WILL
E CONSTRUCTED IN PHASE it BY OTHERS.
-4" GATE VALVE WITH
STUB —OUT FOR DRAIN
(INV. = 5.30')
PLACE GRAVEL
WALKWAY BETWEEN
RISER BARREL AND
EDGE OF POND FOR
ACCESS TO RISER
AND GATE VALVE
MAIN POND f - 3
10 6.0 6.0 6.5 1 r—
__ __ _ _ —�1 _ _ _ _ _ _ ----------------r(WEST
_ � _ _ — - — — — \\:
-------- — - — -
----------------------------------
------
3
(ENsr SIDE) SIDE) /
1�\\/\� 10'
0.0 0.0 ,� �:\\/�/i TYP.
48"X48"
RISER
STORMWATER
MANAGEMENT POND
PROFILE
VAULT
NOT TO SCALE
SHEET PILE SPECIFICATION
#4 REBAR TRASH
SHEET PILING SHALL BE
RACK AT TOP
TYPE #PZ27 STEEL
-ILL
SHEET
REINFORCE CONNECTION
PILE 16 FEET TA
DRIVEN
W/ 6" TALL SECTION
8 FT INTO GROUND.
ON TOP OF BARRELL
TOP OF PILE SHALL
BE AT
CONNECTION
TOP ELEV. 9.0 (MIN.)
ELEVATION 8.0
2" DIA. REVERSE
ORIFICE FOR DRAWDOWN
MAX WATER LEVEL 8.0
INVERT IN RISER: 6.0'
(PLUG IN PHASE I
OPEN AT END OF
TOP OF RISER 7.0'
3ARREL PHASE 11)
48' X48"
6.0
PRECAST
IE
12"
18" RCP BARREL
GROUT
INV. 5.3'
//\//\//\\//\//\//\\\//\\//\//\\//\\//\\�\//\\//\\//\
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BOTTOM OF RISER 3.0'
SUBSOIL SHALL BE
PROPERLY COMPACTED
TO
OUTLET RISER DETAIL SUPPORTALY THE TWEIGHT
N.T.S. OF THE CONCRETE
1:10 SLOPED
SHELF
GRADE
SYM.
AD3 REVISED RISER AND BARREL
REVISED RISER PER commFNT,,
DATE
I BY
„ "'
OITA
3-31-08
1 DFW
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DATE:
NOV. 2007
DESIGNED:
CVB
DRAWN:
DFW
CHECKED:
CVB
SCALE-
AS SHOWN
SHEET ND.
WTP-8
a

REVISIONS
SYM. DESCRIPTION DATE I BY
REVISED RISER PER COMMENTS 3-17-08 1 DFW
"tN
CEDAR STAKE 8'-0" LONG /
2" TO 2 3/4" DIA.
12" PINE BARK
(MULCH) IF NO 15"
GROUND COVER
TEMPORARY
SAUCER _
;2) PIECES OF REINFORCED
RUBBER HOSE & DBL. STRAND
#12 WIRE, TWISTED.
WRAPPING (BURLAP
OR KRAFT PAPER
WRAP)
2" CALIPER (MIN.)
,--FINAL GRADE
�j SOD ON
M 8" TOPSOIL
B & B WHERE
SPECIFIED.
— TOPSOIL
BACKFILL
1 TREE PLANTING DETAIL
NOTTOOF
SPECIFICATIONS FOR TREE PLANTING
1. TREES SHALL BE OF NURSERY STOCK OF AN APPROVED SPECIES, GROWN UNDER THE
SAME CLIMATIC CONDITIONS AS THE PARTICULAR SITE. THEY SHALL BE OF
SYMMETRICAL GROWTH, FREE OF INSECT PEST AND DISEASE, SUITABLE FOR STREET
TREE USE.
2. THE AVERAGE TRUNK DIAMETER MEASURED AT A HEIGHT OF SIX INCHES ABOVE THE
FINISHED GROUND LEVEL SHALL BE A MINIMUM OF THREE (3) INCHES.
3. ALL PLANTING SHALL BE DONE IN CONFORMANCE WITH GOOD HORTICULTURAL
PRACTICE.
THE FOLLOWING IS DECLARED TO BE GOOD HORTICULTURAL PRACTICE:
(1) THE TRUNK SHALL BE WRAPPED WITH BURLAP OR KRAFT PAPER
TREE WRAP AND THE TREES BE STAKED WITH TWO (2) CEDAR
POLES SECURED TO THE TREE BY MEANS OF WIRE THROUGH
RUBBER HOSES. (SEE PLANTING DETAIL SHEET)
(2) ALLTREES
RTHE BALLLL BE SHALLTBENATLANTED LEASTT TWOLED AND ANND ONE ALFP(2D1/2)
FEET IN DIAMETER.
(3) ALL TREE PITS SHALL BE BACKFILLED WITH TOPSOIL.
18" MIN.
PLANTS
UP TO 4'
HIGH, 20'
MIN. FOR
PLANTS
OVER 4'
HIGH
N
2
IN VERY SILTY SOILS,
PLACE A HANDFUL OF
GRAVEL AROUND BASE
OF PLANT TO PREVEN
WASHOUT
3
IRUB
TO SCALE
PRUNE 1/8" OF LEAF AREA BUT
RETAIN NATURAL FORM
SPRAY WITH WILT -PROOF
1CCORDING TO MM S
VSTRUCTIONS IF FOLIAGE IS
'RESENT
:ROUND LINE TO BE SAME AS
S THE NURSERY
CENTIPEDE GRASS
BUFFER (TYP.)
- REMOVE BURLAP
FROM TOP
OF BALL
- BACKFILL WITH TOPSOIL
& PEAT -
MOSS 3:1 RATIO
BY VOLUME IN 9"
LAYERS -WATER EACH LAYER
UNTIL SETTLED.
DO NOT TAMP
- 6" FOR PLANTS
UP TO 4' HIGH
8" FOR PLANTS
OVER 4' HIGH
G DETAIL
TOP OF PLANTS SHOULD BE
1"-2' BELOW SURF
ACE OF
WATER
TIE A GROUP OF 2-3 PLANTS
TOGETHER WITH BURLAP
STRAP AND USE 8" WIRE
SPIKE WITH HOOKED END TO
ANCHOR INTO GROUND
MERGED PLANTING DETAIL
LANDSCAPING LEGEND
KEY I
QUANTITY
COMMON NAME
BOTANICAL NAME
SIZE
SPACING
FLOATING AQUATIC PLANTS DEEP POOL]
SP
-
SPATTERDOCK
NUPHAR POLYSEPALUM
BARE ROOT]
5'
BM
-
BOG MAT
WOLFFIELLA LINGULATAl
BARE R00
5'
DM
-
DUCKMEAT
SPIRODELA POLYRHIZA
BARE ROOT
5'
PO
-
PONDWEED
POTAMOGETON SPP.
BARE ROOT
5'
SUBMERGED AQUATIC PLANTS DEEP POOL
SR
-
SPIKERUSH
ELEOCHARIS ACICULARI
2" POT
2'
NA
-
NAIAD
NAJAS SPP.
2" POT
2'
QW
-
QUILLWORT
ISOEfES SPP.
2" POT
2'
WW
-
WATERWEED
ELODEA SPP.
2" POT
2'
EMERGENT PLANTS SHALLOW WATER]
CI
-
COPPER IRIS
IRIS FULVA
TUBER
2'
PW
-
PRIMROSE WILLOW
LUDWIGIA SPP.
4" POT
2'
AA
-
ARROW ARUM
PELTANDRA VIRGINICA
4" POT
2'
FS
-
FLAT SEDGE
CYPERUS ARISTATUS
BARE ROOT
3'
AH
-
ARROWHEAD
SAGITTARIA LANCIFOLIA
4" POT
2'
DP
-
DUCK POTATO
SAGITTARIA LATIFOLIA
4" POT
4'
BF
-
BLUE FLAG IRIS
IRIS VERSICOLOR
ITUBER
2'
HERBACEOUS PLANTS SHALLOW LAND
WS
-
WHITE STAR GRASS
DICHROMENA LATIFOLI
4" POT
2'
PM
-
PINELANDS MALLOW
HIBISCUS ACULEATUS
4" POT
2'
SL
-
SPIDER LILY
HYNEBOCALLIS EULAE
4" POT
2'
SM
-
SCARLET MALLOW
HIBISCUS COCCINEA
4" POT
2'
SD
-
SEDGES
CAREX SPP.
4" POT
2'
SS
-
SEASHORE MALLOW
KOSTELETSKYA VIRGINICA
1 4" POT
2'
SHRUBS [SHALLOW LAND
RC
-
RED CHOKEBERRY
ARONIA ARBUTIFOLIA
1 GAL.
8'
LL
-
LOBLOLLY BAY
GORDONIA LASIANTHUS
1 GAL.
15'
SK
-
SILKY DOGWOOD
CORNUS AMOMUM
1 GAL.
5'
SR
-
SWAMP ROSE
ROSA PALUSTRIS
1 GAL.
5'
IB
-
INKBERRY
ILEX GLABRA
1 GAL.
10'
CB
-
COMMON BUTTONBUSH
CEPHALANTHUS OCCIDENTADS
1 GAL.
3'
TREES SHALLOW LAND
RB
-
I RIVER BIRCH
BETULA NIGRA
7 GAL.
15'
BC
-
BALD CYPRESS
TAXODIUM DISTICHUM
7 GAL.
15'
IW
-
IRONWOOD
CARPINUS CAROLINIANA
7 GAL.
15'
CP
-
COMMON PERSIMMON
DIOSPYRUS VIRGINICA
7 GAL.
20'
GRASS BUFFER
CENTIPEDE
TUBER PLANTING:
-FOR BULBS; PLANT IN A 50/50 MIXTURE
OF SAND AND POTTING SOIL TO DEPTH
RECOMMENDED BY GROWER.
-FOR ROOTS/TUBERS: PLANT IN A HOLE
SURROUNDED BY 2" MIN. SAND ON ALL
SIDES. IF ROOT IS DRY, CUT A SMALL
PORTION FROM THE BASE TO EXPOSE FRESH
MATERIAL.
USE BURLAP OR OTHER BIODEGRADEBLE
POTS AND INSTALL ENTIRE POT WITH PLANT
INTO THE SOIL. PREP AND LOOSEN
SURROUNDING SOIL AS REQUIRED BY
ACCEPTED PLANTING STANDARDS.
0
]XI smo
THIS LANDSCAPING PLAN
WAS• GENERATED IN ACCORDANCE
WITH THE CURRENT BEST
MANAGEMENT PRACTICES
ESTABLISHED BY NC-DWQ
FOR STORMWATER MANAGEMENT.
THE LANDSCAPING CONTRACTOR IS REQUIRED TO REVIEW
THIS PLAN FOR FEASIBILITY
AND MORTALITY OF THE
SPECIFIED PLANTS UNDER
THE DESIGN CONDITIONS, PRIOR
TO ORDERING MATERIALS
OR STARTING CONSTRUCTION. THE
CONTRACTOR SHALL NOT
CLAIM "AFTER THE FACT' THAT
THE PLANTS HAVE FAILED
DUE TO DESIGN.
NO DEVIATION FROM THIS
PLAN SHALL BE MADE WITHOUT
PRIOR APPROVAL FROM THE ENGINEER.
i
,
FOREBAY
i
_......................... - -
--
BC
�:...:..:.,.::......:.: ::•::
................ .............
�. BC .................................................... ......................................................... ... ...............,.......:::: :::............................
Bc
-............::.-:::::::::::::::::.� ...::::::::::::::.:.:::::.::::::.::::::.::::::::::.::::::::.:::::::::::....:::.............::.::.::::::::::::::::.:::::::....:..................................
_.................._._...........................................a•...................................................................................................C....................................
PROPOSED BMP LANDSCAPING PLAN
0 50 100
SCALE IN FEET
NOTE:
PERMANENT STORMWATER DETENTION POND WILL
BE CONSTRUCTED IN PHASE II BY OTHERS.
SYMBOL LEGEND
PO FLOATING PLANTS:
SET ON WATER IN GROUPS OF 6
(VERY SMALL SPECIES 1=1 PINT)
CBC
SINGLE TREE, TYPE AS NOTED
'. CP ,:
SINGLE TREE, TYPE AS NOTED
• IW
SINGLE TREE, TYPE AS NOTED
5'x10' AREA WITH PLANTS AT
QW 2' O.C. -(15) PLANTS
PW 5'x5' AREA WITH (8) PLANTS
AREA OF PLANTING WITH PLANTS
SD (5) AT 2'+ O.C.
<CB> SINGLE BUSH, TYPE AS NOTED
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DATE:
NOV. 2007
DESIGNED:
CVB
DRAWN:
DFW
CHECKED:
CVB
SCALE:
AS SHOWN
SHEET NO
WTP-9