SW8100410_APPROVED PLANS_20100728

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 10 0¢ to
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
Z010 07 29
YYYYMMDD

NEW RIVER
z
SITE
NC MWY lrrG
3
2
z
VICINITY MAP NTS
SUMMARY INFORMATION
LOCATION:
NCDENR — NCDWQ STORMWATER PROJECT NO:
ACREAGE:
IMPERVIOUS SURFACE AREA
NC HWY 172 APPROX. 0.5 MI
WEST OF HWY 210
SW8 100410
.9 E,911 R"
2.16 AC
PERSON TO CONTACT REGARDING STAFF COMMENTS OR QUESTIONS:
DALE WERENKO, PE, CFM
WITHERS & RAVENEL
111 MacKENAN DRIVE, CARY, NORTH CAROLINA 27511
TELEPHONE: [phone] FAX: [phone]
dwerenko®withersravenel.com
LEGEND
STORMWATER PERMIT PLANS FOR
S. T. Wooten Corp. Concrete Plant No. 21
SNEADS FERRY, ONSLOW COUNTY, NORTH CAROLINA
MAY 2010
INDEX OF SHEETS
SHT No. DRAWING DESCRIPTION
1 SITE PLAN
2 GRADING AND STORM DRAINAGE PLAN
3 CLOSED LOOP RECYCLE SYSTEM
DESIGN AND CALCULATIONS
4 STORMWATER MANAGEMENT PLAN
5 DRAINAGE AREA DELINEATION MAP
AND DETAILS
DESCRIPTION EXISTING PROPOSED
r CONTOUR INTERVAL TB O
5' CONTOUR INTERVAL 20
PROPtmY LINE BY SURVEY O ''— O
PROPERTY UNE BY DEED —'r O ` J L�q, 10 1-I 1 C t / 3 /I c;
EASEMENT LINE - . - . - - - - - - .. .. - . -- APPROVED V�,�
TEMPORARY C ____----_-- _---�`
0 NORTH CAROLINA ENVIRONMENTAL
SAWARY SEWER 0 S -O s- - MANAGEMENT COMMISSION
STORM MV&PGE DIVISION OF WATER QUALITY
WATERLINE — — — — — — — — w--
FIRE M'ORANT'LY +--+ CABLE TV DEVELOPER
FIBER OPM — — — — — — — —
aVERtm °'L _ S.T. WOOTEN CORPORATION
- - - - - - - - .�--� - - - 3801 BLACK CREEK ROAD
FEW210 STRUCTURE — — — x — — — — — x — — - 0-0-0-0 — — -
TOE/FOP OF SLOPE _—� --- ' --- 'f
WILSON, NC 27894 JUL 28 2010
WATERMYS ... _ " - �
WERMOS ........................ ATM
�'— — — � ice. BUTCH LAWTE R, PE
_�_._ ROAD 7K (252) 29I.5165
FAX (252) 243-M
BUFFER - — — — — — — — — — _• — � — `- _ �- —
NP rADS
S.�
- - y 172 ��r�
G SOO
P 2•
SEAL q�
o� b
REVISION BLOCK
DESCRIPTION
1 NCDWQ SW Permit Application April 9, 2010
2 NCDWQ COMMENTS June 17 2010
3 NCDWQ COMMENTS July 21, 2010
CIVIL ENGINEERS/ PLANS PREPARED BY:
WITHERS & RAVENEL
ENGINEERS
I PLANNERS
I SURVEYORS
111 MacKenan Drive Cary,
North Carolina
27511 tel: [phone]
www.Wbersravenel.com License No. C-0832
FINAL DESIGN
fit/11"`l
IZ)
NOT RELEASED
FOR CONSTRUCTION

,
1
1
I
I
/
I
,
,
/
/
/
/
,
IN
CONSTRUCT PERMANENT DIVERSION DRCH/BERM 4S _
ALONG PROPERTY LINE AS SHOWN TO KEEP OFFSITE--
STORMWATER RUNOFF FROM ENTERING THE PROPERTY -_ _ ' -
(SEE TYPICAL DETAIL THIS SHEET) INSTALL BERM/DITCH ALONG PROPkRTY LINE
------ TO TO DIVERT OFF -SITE -WATER 79-£kISTING CHANNEL ;
10,000 GAL FUEL STORAGE
IN ; TANK ON 15' X 30'
CONCRETE PAD-�,
----------------
550 GAL NON-HWY DIESEL FUEL STORAGE TANK '
0
PROPOSED
G GRAVEL AREA
_Ioa
1 UXU / -------
if) Z
f
---- -4--
- ---
-' 41
------------
' SEP77C LINE '-
1 r1--------------r '-
0 ` - - - SEPTIC LINE-_�--\�,' %--_______
\ _ SEP77C UNE1Z
o m`,
o . - "�
CL
AGGREGATE - -
- -
---- GGREGA ----- ;'
IN,�'-----_
0
CONCREt,,BLOCK
STORAGE AGGREGATE
GREGA STO
'f
Aa�
RETAINING WALL
STORAGE
y
STORAGE
0
i
w
_
• P` _rk r s q.
.. ,.Y: \'
�, r
n
i
PROPOSED BERM
.AO-
U_
o
ONTAINME
a
/� i
\:I
/
X�w`
'
d
n M
PERMITS SHALL BE
0z a - N n OBTAINED PRIOR TO IMPACTS TO
0m $ A WETL(WD/STREAM CHANNEL
a /\ / ro
A ql
Toy+ 001
INSTALLi SILT FENCE
61' TALL CEMENT SIL 61' TALL FLYASH SILO � �����a ��� y A � / AT TOE; OF SLOPE (TYP)
w�vx s• A EXISTING InWETLANDS
.p /\ CHANNEL 10 BE
A /' REGRADED,
w i4 +YS,'r`t'F.° F'"'r•sy'{4.Ai'' i �` /\ i
zvx •ems 4 INSTALF SILT FENCE
ni 1 ALONGI
A
EDGE OF CHANNEL
11
==-===NSOEPPITEI-Y
ROM INDUSTkit
RIAL - _ ,
_- _-----__--------------------- , 0N PERMITTEDAO--GRAVEL PROPOSED\
,�
--
-- --- - _ CfIANNEL caaNunoNs
- ___-_-_-_-_-- _ -' ---
MIN - .1` r' : \' -' ' i '/ "� `, 5 MIN
------_--- \\`\'\ .' _\\�+\\`` „II \ I 7.39 IN HR
` _ _ //
------------- �2 . 3.33 CFS
`---- 1 \ \ \ ` i ir' "li SLOPE: 1.8 X/
N IN
_ - .''i" D 0.44�FTS
VELOCITY OISS!PATOR PAD_-�' _ :.\_, \`:::='J , i/ ii ' T (YDS
- %'' 1 i" I�1 T ; 062.449 ��CF 0.44 FT s 0.018)
110 LF 24 RCP O ,1.36R - - _ -� . " /� w ! 4 I ` USE STRAW NET TEMPORARY LINER
`` `�
i------
- r
in
141
� I I - F1 I �---------- PE MAN CONCR
axe UbTORMWATER WET POND RISER QUTLET STRUCTURE -
I I I I -
�/ FOREBAY`_ -�------3 3---- ----1- I I i hi
II o 3 n
3i�f
PROPOSED BERM 3.
I I I
' 'n
'll
1
3 ° 11
3 u
r ' ` - ' if .Glsssss**i+s�*sd-sss�s>rssssr3 _CL1*CL(7O`er 0
W I STORMWATER ACCESS AND MAINTENANCE EASEMENT Y / q
i PROPOSI,ED n
SILT FENCE, ,1 1iI
CONSrRUICT10N OMITS -----. --- ' ' ` `\ 1 \\ 1 'hi 1
EXISTING DITC i n1 i ¢ i \ `\ `I`� , r 1, \, INI`\
'PROPOSED CtiARING LI1riF[S `, 1 \ `�ELOCITY DISSI ATOR P 4ii \\
\ 1 W \ `.\ ' i 4 \� PIPE`I,NV: 32.0P�
3 SHEET FLOW FROM DRIVE'. ` I ` '
TO WETLAND$4_--\ i i EXISTING Wd DED BUFFER TO REMAIN PP
w%
' o EXISTING WETLANDS IN THIS AREA - ! i n STTERING ER VELOCITY
w .III ENTERING WETLANDS
I , to �• ,_- TO REMAIN UNDISTURBED ________--- ' '
N o 11 Q1 9.46 CFS
_ I IL I - A7 _ - ^ 1 \ ;,,' EXI CHANNEL DIMENSIONS:
4 � 3 " '- 1 ' `Q III; 10'' BOTTOM WIDTH W/ 3:1 SIDESLOPES
Q. PROPOSED StLi FENCE J� iii' S4OPE: 1.25%
3 _ St
X i 1i4
H Vt0• , 1.61 FT/S
' I y • • • ` ' 'll
�� a 1 1 \ i' • •. ' • ° • • . ' •� •• •� • • ° •, • " • •• • ° • • •• • • 1 ° • • ' • ,� j illy 1
\ ; •; . IN
If.
A 3.4 A y ( !
D50' VEGETATED BUFFER
" C: 0.2 _ ; . - ,• y-e- -- / . ', 1 it \. PER COASTAL STORMWATER RULES
TC:5 MI ' nj Ss '`�O T in' IN
110: 9.70 IN/H _ gloom m+�E , . ' WETLAND �IR&1.' ' , ( u
o \ 010. 8.25 C ,' I„ -� •i - . i '� `I, \`• /•- . I 1 Illi \
03N515 AC
CONSTRUCT PERMANENT DNERSION
ALONG PROPERTY LINE AS SHOWN TO I
STORMWATER RUNOFF FROM ENTERING 71
(SEE TYPICAL DETAIL
CHANNEL CALCULATKM
�oz 8
f 0- in
m
Da. 1.54 I Y
C: 0.
Tc: 5 MI ;
12 • 7.39 IN/H
Q2 • 5.12
SLOPE 1.7 i
V2 2.9 FT
D2 : 0.55
T -
T = (62.4 LB/CF r 0.55 FT . 0.017
T-0.58LB ;
.USE STRAW wl NET TEMPORARY uil
�I
1 , m1.
I ,if
I i
1 r 1
I , 1
1 1 I
I , 1
I I ,
I I
r ,
1 , I
I
DIVERSION CHANNEL TO STORMWATER WETLANDb� r
INSTALL TEMPORARY CHANNEL LINER ,
, I
NORTH AMERICAN GREEN S150 OR EQUAL
r
Q10• 13.1 C � , ' '
I 1
,
y
�
g
PP N
U
`
z
I
o ,
F5
15"
RCP--/-
1
--------�
'
--- 3
_ 3
o
100 LF 18" C
a
----
-
Nil
ST Ml GATE 8 ' ' . I * I .
--"�
' _ • _ BHP*L&OHPHL _ •- -
I '
- - - _' - -'' • r p-l- -�.�. • '
I n -1� - - - - - - - -
` �. I
OPOSED CONCR \ : I
RIVEWAY ENTRANC
•
VELUCITT'D1SSIPAIURYRD ... ... ....... ......... ..�......PQI OF DISOHARGE ..�----
r,
__
_ ---' -
u _
nl
1, _---------'
___
-
`n
- ------------------------------
----------
_______________---OUT
' - o
ors-�•... o / `®- --
----------------------
-_=-r2
X 15' RCP ® 0.65% ------------------------
------------------------------------33--------
-----------33.00
"" N
-
15
"
�.
0
__ _
-------------
-
z - - - - - - - -
I
---------------NC
HIGHWAY 172 SNEADS
FERRY ROAD
WINGWALL
=-----------
(CONCRETE
I3
---------- ------
(100' RIM
(
+�
j
-
--- -----
----,--
- - - - REMOVE EXISTING
18„RCP
- -------_---------------------
-------------------------------------------------
__________________
_
-
�©
et a '•��I a,,+...Ir
1� t' t
m
Im
IRZI
WK
r III 3W
Dnnwt By
Dots
DW
Ist"
atedred By
Jab No.
DIN
2090399:a0
S. T. Wooten Corp. Concrete Plant No. 21
SNEADS FERRY ONSLOW COUNTY NORTH CAROLINA
7'-0"
4'-0"
z
PROPOSED EARTHEN BERM
3' MIN
w
a
GfVEL
PROPOSED GROUND
a
LOT
_-----
17 MIN
-----------
- - -
-- 24 MIN
12" MIN
WIDTH
EXISTING GROUND\ '`�\ /
\ I
y`
INSTALL SILT FENCE
AT TOE OF SLOPE
INSTALL TEMPORARY LINER
PER MANUFACTURER'S SPECS
MIN
WIDTH
NORTH AMERICAN GREEN S150 OR EQUAL 1T
TYPICAL DITCWSWALE CROSS-SECTION A -A
I '
z
FLOW
t_
� m
EXISTING GROUNIJ
i
18" MIN
VEGETATED EAMEN BERM
n II�11.11 �.
II11II II I1111111HE
II11 �-`1.
IIFLOW I
II I
INSTALL TEMPORARY LINER
PER MANUFACTURER'S SPECS
NORTH AMERICAN GREEN S150 OR EQUAL
19" MIN
TYPICAL DIVERSION DITCH/BERM CROSS-SECTION B-B
NITS
INTENSITY DURATION FREQUENCY CHART
EROSION CONTROL DATA
FINANCIALLY RESPONSIBLE COMPANY:
S.T. WOOTEN CORPORATION
3801 BLACK CREEK ROAD
WILSON, NC 27894
252) 291-5165
REGISTERED AGENT:
RICHARD VICK
DEVELOPER CONTACT:
R.S. BUTCH LAWTER, JR. , PE
PROPERTY OWNER:
RICHARD R. ALLEN, SR
P.O. DRAWER 1867
FAYETTEVILLE, NC 28302
DESIGNER/ENGINEER:
WITHERS & RAVENEL, INC.
111 MACKENAN DRIVE
CARY NC 27511
(919j 469-3340
CONTACT:
DALE WERENKO, PE, CFM
CURRENT USE:
VACANT (FORMER CONCRETE PLANT)
DEVELOPMENT TYPE:
PROPOSED CONCRETE PLANT
ZONING:
HB
PROPERTY ADDRESS:
1839 NC HIGHWAY 172, SNEADS FERRY, NC
PIN:
4269-04-84-2473
DEED BOOK/PAGE:
868/939
TAX PARCEL #:
765-42
SITE AREA:
4.404 AC
PROPOSED DISTURBED ACREAGE:
3.4 AC (DELINEATED PER PROPOSED TOPOGRAPHY)
TOTAL IMPERVIOUS SURFACE AREA:
2.16 AC
FLOODPLAIN:
NO 100-YR FLOODPLAIN LOCATED ON SITE PER FEMA
FIRM PANEL 3720426900J DATED NOVEMBER 3, 2005
SOIL TYPE:
LEON FINE SAND
RECEIVING WATERCOURSE:
UNNAMED TRIBUTARY TO MILL CREEK
AREA OF PERMANENT SEEDING:
1.50 AC (OUTSIDE OF GRAVEL PARKING LOT/DRIVE)
EROSION CONTROL SEQUENCING NOTES:
PRIOR TO CONSTRUCTING STORMWATER WET POND, CONTRACTOR SHALL
REMOVE AND CLEANOUT ALL SEDIMENT FROM TEMPORARY SEDIMENT BASIN AND
RE -GRADE TO PERMANENT ELEVATIONS SHOWN ON THE PLAN.
THE OUTLET STRUCTURE SHALL BE CONVERTED TO A PERMANENT RISER
STRUCTURE TO THE ELEVATIONS SHOWN ON SHEET 4.
ALL UPSTREAM DRAINAGE AREAS SHALL BE STABUZED PRIOR TO CONSTRUCTING
STORMWATER WET POND.
Wilminaton.
North
Carolina 34.2683N,
7Z.9061W
ARI*
5 min.
10 min.
15 min. 30 min.
60 min.
120 min.
3 hr.
6 hr.
12 hr.
24 hr.
(years)
2
7.39
5.92
4.96
3.42
2.15
1.28
0.91
0.56
0.33
0.19
10
9.70
7.75
6.54
4.74
3.08
1.94
1.39
0.87
0.51
0.30
25
10.98
8.75
7.40
5.48
3.65
2.38
1.73
1.08
0.64
0.38
100
12.92
10.27
8,65
6.63
4.56
3.18
2.37
1.49
0.89
0.53
RIP -RAP VELOCITY DISSIPATOR PAD DESIGN
Protection
Slope
Size
Q10
V10
Length
Width at
Downstream
Rip Rep
Rip Rap
Structure
Pipe
Thickness
Type
(in)
(cfsj
(ftls)
(it)
Outlet (ft)
Width (it)
Class
%
in
F1
Outlet
1.36
24
13.10
8.40
9.0
6.0
12.0
22
B
F3
Outlet
1.09
18
9.46
7.46
9.0
6.0
12.0
22
B
F4
Outlet
0.65
18
8.25
5.46
9.0
6.0
12.0
22
B
TOTAL DENUDED AREA 3.40 AC
IMPERVIOUS SURFACE AREA 216 AC
GRADING AND STORM DRAINAGE PLAN
STO&* WATER CALCUTATIoNs
PRE -DEVELOPMENT FLOW
POST -DEVELOPMENT ROW
SITE AREA: 4.404 AC
SITE AREA: 4.404 AC
IMPERVIOUS AREA: 1.38 AC
IMPERVIOUS AREA: 2.16 AC
COMPOSITE C: 0.48
COMPOSITE C: 0.61
TIC: 5 MIN
TC: 5 MIN
110: 9.70 IN/HR
110: 9./H 70 INR
Q10: 20.5 CFS
Q10: 26.1 C Sjr
NORTH CAROLINA ENVIRONMENTAL
REQUIRED STON
Class
Dril DI
0 rK U UMII I Dmax
A
2
4 6
B
5
8 12
1
6
13 20
2
9
14 Z3
- No more that 5.0% of the material furnished can be feet to the minimum size
simAed nor no more than 10.0% of the material can excised the maximum size
speeffied- The stone shall be equally ended the required size rang u1. $ lQlp
y.
..
° SEAL g
Q
-� SEAL
FINAL DESIGN
NOT RELEASED
FOR CONSTRUCTION
WITHERS & RAVEN EL
ENGINEERS I PLANNERS I SURVEYORS
III MacKenon Drive Cary, North Carolina 27511 tel: [phone] ww.withersra"nel.com License No. C-0832

41.30 1.60 41.90 41.70 41.50 41.30
F1
X 42.25 X X42.25 X 42.25 X
2. 25 4225
77. ­­ WASTEWATER STORMWATER PERMANENT BARRIER NARRATIVE
4
2.00 1 '42.00 2.00 4200
42.00 42.00 A T HIGH RAISED CONCRETE UP WILL BE INSTALLED AROUND THE PERIMETER OF
1 INDUSTRIAL OPERATIONS AS SHOWN ON THE PLANS. THIS WILL PREVENT WASTEWATER/
INSTALL 12' WIDE, 3' HIGH CONCRETE\ STORMWATER MIGRATION BY VERTICALLY CONTAINING THE WASTEWATER FLOW AND
I
INSTALL BLACK METAL HAND
UP TO PREVENT MIXING OF DISCHARGING TO THE STORAGE CHAMBERS. SINCE THERE ARE NO UNDERGROUND PIPING
WASTEWATER/STORMWATER NETWORKS TO CONVEY WASTEWATER TO THE STORAGE CHAMBERS, A RAISED CONCRETE
RAILING AROUND PERIMETER OF BASIN
F (SEE DETAIL THIS SHEET) BARRIER IS THE MOST PRACTICAL AND EFFECTIVE METHOD TO CONTAIN THIS FLOW.
EXCEPT ALONG RAMP SIDE
4Z' HT MIN.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - SEE DETAILS ON THIS SHEET FOR LOCATIONS.
247'WIDE X If HIGH OPENING
9' MIN CONCRETE PAD W/ WIN REINF Ir MIN CONCRETE PAD W/ WIN REINF
CONCRETE UP
I
14
S DOWN T
TRUCK WASH -DOWN TOP WALL
f-
AGGREGATE AGGREGATE
CONCRETE PAD EL. 41.00
CONCRETE P Eff
STORAGE STORAGE AGGREGATE AGGREGATE
900 SF 900 SF STORAGE STORAGE
V
9' HIGH WALL OPENING SPACED AT 5' D.C.
600 SF
•�
_311110- 600 SF INSTALL HEAVY DUTY GRATE ACROSS EACH OPENING
4'-0" WIDE WEIR OPENING IN WALL4' STORAGE r-SKIMMER PUMP
VOLUME i� LOCATED
AGGREGATE HYDRATION 1.70 AGGREGATE HYDRATIC�NNL 41.70 CONCRETE BLOCK
1.70 SPRINKLER SYSTEM
IN CHAMBER 4
EL:35.50--\ EL.-35.40 /Z-EL.35.30
1.70 eSPRINKLER SYSTEM
RETAINING WALL
EA
CHAMBER 1 CHAMBER 2 CHAMBER 3 CHAMBER 4
BOTTOM OF BASIN
orl A
41 -30 777 'U
5' R
EL* 33.50
42.15 C E ME
"I An
1 41. 00
'42.00
42.00 41.65
C4 41.40
Ld
41.55 �.c RAISED CONCRETE UP
0 41.10 SECTION G-G
I 1,-Lr
X L-J-�:. 4100 40.60
CONCRETE FLUME COLLECTS RUNOFF X
BINS
FROM AGGREGATE STORAGE 41.00
�33.50
ADMIX _j
INSTALL 247 WIDE CONCRETE EDGECONTAINMENT D 46' X 11' SETTLING CHAMBER 4
SKIMMER 28.0' RAMP @ 4:1 40.50 4-0.35
NOTE:
STRUCTURAL DESIGN BY OTHERS
WITH 30 RAISED UP TO PREVENT
MIXING OF WASTEWATER/STORMWATER PUMP TOTAL VOL: 4,620 CF; 34,558 GAL 33.50
CROSS SECTION A -A
(SEE DETAIL THIS SHEET)
41.90
42.15 42.00 42.00 E E
C
1* VY H
Ix
41.55
X 41.25 41.00 40.80 33.50
X 46' X 11' SETTLING CHAMBER 3
X If 28.0' RAMP 0 4:1
.40
40.50 .35
TOTAL VOL: 4,620 CF; 34,558 GAL 33.501
AREA OF WASTEWATER X 42.00 X b
TREATMENT LIMITS 42.00 a a I
NG WALL OPENING
K42.00 B
13,850 SF C 42.04 41.00 c
B
2,C*WIDE X 10 HIGH OPENING
DUST X 617 LL 61' TALL X 33.50
/-CONCRETE FLUME
f
COLLECTION CEMENT
2.00 FLYASH
TO CHAMBER 1 1 FREEBOARD
EL:- 40.50
SYSTEM SILO SILOBIN 46' X 11' SETTLING CHAMBER 2 1 28.0' RAMP 0 4:1
40.50 0.35
TOTAL VOL: 4,620 CF; 34,558 GAL 33.50
01
REINF
CONCRETE
4 00 42.00 1?
ENTRANCE
42. 42.00 Ix
00 550 SF x1 41.30
TOP WALL
-4 '�25
I yl V
E�. 41 0.
EL: 41.00
34 EL:- 40.50
�jj "CONCRET -E FLOM
4' WEIR OPENING
72.00 SIF
39.50
(SEE DETAIL) 46' X 11' SETTLING CHAMBER 1
__7Z_ _EL: .... . . . . . . . . . . . .
77= 2.00% MIN SLOPE
42.30 28.0' RAMP @ 4:1 40.50 40.35
TOTAL VOL: 4,620 CF; 34,558 GAL
AWAY FROM TANK
.'.X�
248.00 SF alec
x 40.10 3 3.50
CONCRETE--' 4'-0' STORAGE VOLUME
CONCRETE FLUME COLLECTS RUNOFF-/ 20'-U' -4' WEIR OPENING
WALL
FROM SILO CONCRETE PAD AND YARD AREA (SEE DETAIL)
AROUND ACC BIN X33.50 40.10
�L2 L.-_35.50
71 . . . . . . . . . . .
40.80
X
:,40
INSTALL RAISED CONCRETE U X"
UP C 25 41.25
EOTi
33.5
TO PREVENT MIXING OF WASTEWATER RUNOFF ENTERS OVERFLOW FROM STORM EVENTS
WASTEWATER/STORMWATER SETTLING CHAMBER 1 THROUGH 5 YEr� �TO' GREATER THAN 25 YEAR
-OF
­SL
L
(SEE DETAIL THIS SHEET) 4' WIDE WEIR OPENING IN WALL E�- TO WILL EXIT RECYCLE BASIN
\-CONCRETE
FROM TOP OF RAMP
FLOOR
RAISED CONCRETE UP
46'-C* 28'-Cr 6'-Og
NOTE:
STRUCTURAL DESIGN BY OTHERS
145X68'-
f T q* W, H'DOWNi'P
RU
CROSS SECTION 8 -B
_4Mtjq TA* TH
1,0KNESS' W, WIN '-FZfJN R C
1' 10' H
WASTEWATER SITE PLAN CAR6,
S' V
VfESS
'r 10'
JT
SEAL
A.SHbbw.N fss] t
DESIGN CALCULATIONS
P46 )PE
OP
'j.UCK,.
0 21r 40' WAR 95
%
j •IN
STORAGE VOLUME FROM 25-YR 24-HR STORM EVENT
SCAM I' - 10"
TOTAL TREATED SURFACE AREA TO WASTEWATER RECYCLE SYSTEM: 15,746 SF
25-YEAR 24 HOUR STORM DEPTH (IN): 8.0 IN (0.66')
41.00 ......... 141.35 N DESICN
TOTAL STORM VOLUME TO BE CAPTURED: 10,487 CF; 78,443 GAL
[NOnTRELEASED
A FOR CONSTRUCTION
STORAGE VOLUME FROM TRUCK WASHING/RINSE-OUT AREA
AVG NUMBER OF TRUCKS/DAY: 5 TRUCKS AT 3 LOADS/DAY
'AGGREGATE BIN WALL FLOW SUMMARY
'g
RECYCLE BASIN FLOW SUMMARY
FLOW SUMMARY
DA- 2500 SF; AC
DA: 3312 SF; .076 AC
WALL DA: 9100 SF; .0209 AC
C: 0.90
AVG GALLONS OF WATER USED PER TRUCK WASHDOWN: 50 GALLONS
.057
C: 0.90 CONCRETE LIP
C: 0.90
TC: 5 MIN
'g,_
TC: 5 MIN
TOTAL VOLUME FROM TRUCK WASHING: 750 GAL/DAY
TC: 5 MIN
125: 10.98 IN/HR
125: 10.98 IN/HR
125: 10.98 IN/HR
025 MAX: 2.07 CFS
1'-0*
Q25 MAX: 0.75 CFS
025 MAX: 0.56 CFS
NORMAL DEPTH: 0.17 FT
OPENING NORMAL DEPTH: 0.19 FT
NORMAL DEPTH: 0.26 FT
TOTAL VOLUME REQUIRED TO BE CAPTURED: 750 GAL + 78,443 GAL 79,193 GAL; 10,587 CF
- - - -
2% MIN
TOTAL VOLUME PROVIDED: 248.00 SF X 11' X 4 10,912 CF; 81,622 GAL
7
An.
127 FREEBOARD PROVIDED ABOVE REQUIRED STORAGE VOLUME: 72.00 SF X 11' X 4 3,168 CF; 23,697 GAL
0 0. 30'
.....
. . . . . . . . . . . . . .
'g. 'g
'o 'g 'g 'g 'g 'g 'g 'g
.
. . . . . . . . . . . . . . . . . . . . . . . . . .
2' -0' SETTLING STORAGE VOLUME: 100.00 SF X 11' X 4 4,400 CF; 32,912 GAL
3.000 MIN COMPRESSIVE STRENGTH
COMPACTED SUBG 3,000 MIN COMPRESSIVE STRENGTH
PROJECT SUMMAtY
1__"...._rED SUBGRAD
W/ WIRE MESH REINFORCEMENT
3,000 M COMPRESSIVE
dd . . STRENGTH
COMPACTED jBG ME
. . I -- .
IT _j . I I= CONTRACTION JOINTS SPACED AT 15'-0f D.C.
A SPECIAL USE PERMIT HAS BEEN OBTAINED BY ONSLOW COUNTY PLANNING DEPARTMENT ALLOWING A CONCRETE
CONTRACTION JOINTS SPACED AT 15'-0" D.C.
PLANT TO BE LOCATED ON THIS SITE.
CONTRACTION JOINTS SPACED AT 15'-(r D.C.
FOOTM
g
TYPICAL FLUME CROSS SECTION D-D
THOUGH NCDWQ HAS CLASSIFIED THE RECEIVING STREAM AS SA WATERS, 15A NCAC 02B .0301 (i) (1) (B) CLASSIFIES
TYPICAL FLUME CROSS SECTION C-C
TYPICAL FLUME CROSS SECTION E-E
UNNAMED FRESHWATERS DRAINING TO TIDAL SALTWATERS AS "C"' WATERS.
THIS PROJECT ALSO HAS BEEN DETERMINED TO DIRECTLY DRAIN TO PRIMARY NURSERY AREAS (PNA) AS CLASSIFIED BY
r 14V
1w Y H&V
Tv *r H&V
NC DIVISION OF MARINE FISHERIES. AS INSTRUCTED BY NCDWQ, NO COMMINGLING OF STORMWATER AND WASTEWATER IS
PERMITTED AT THIS SITE.
FLOW FLOW
FLOW FLOW _­81IIg
TOP WALL, 41.00
A RECYCLE FACILITY HAS BEEN DESIGNED TO CAPTURE THE 25YR-24HR STORM EVENT PLUS TRUCK WASHING
z
STORMWATER WASTEWATER
WASTEWATER STORMWATER
USAGE WITHOUT DISCHARGE TO SURFACE WATERS. THIS DESIGN CONSISTS OF ISOLATING THE INDUSTRIAL OPERATIONS
fr R
FROM THE NON -INDUSTRIAL AREAS. SURFACE STORMWATER/WASTEWATER IS COLLECTED VIA CONCRETE SURFACE FLUMES
2' AGGREGATE
-cr
RAISED U
I
TOP WEIR:40.1 0
AND DISCHARGES INTO A SERIES OF CONCRETE CHAMBERS DESIGNED TO SETTLE SEDIMENT AND PROVIDE STORAGE AS
STORAGE
RAISED UP BIN
5* !A.�-
REQUIRED TO MEET NCDWQ REQUIREMENTS. RECYCLE/PROCESS WATER FROM THE LAST CHAMBER WILL BE PUMPED
_3
MIN PE MIN SLOPE
OUT AND RE -USED TO IRRIGATE AND HYDRATE AGGREGATE STORAGE AREAS AND RE -USED IN PROCESSED READY MIX
_MIN IX MIN
2x
RECYCLE BASIN WALL
TE. A NON -DISCHARGE RECYCLE PERMIT WILL BE SOUGHT FROM NCDENR AQUIFER PROTECTION.
CONCRETE.
% SLOPE SLOPE
CONCRETE SHALL
CONCRETE WLr BE V; zi�
.10 RECYCLE BASIN
A SEPARATE STORMWATER PERMIT WILL BE PERMITTED THROUGH NCDWQ FOR THE REMAINDER OF THIS FACILITY.
MIN COMPRLSSNt--
I OMPRESS
~ED, FIR
STRENGTH.
OM NODE R DIVISION OF
AN EROSION CONTROL PERMIT HAS BEEN ISSUED FOR THIS FACILITY ON 2010 N
. . . . . . . . .
LAND RESOURCES
NORTH CAROLINA
. .
EWRONMEN 4,
COMPACTED SUBGRADE
REFERENCES: MANAGEMENT COMMISSIONT
COMPACTED SUBG
V
dip,
"URBAN "0/0
I I l{�1
• SCS TR55 HYDROLOGY FOR SMALL WATERSHEDS" DIVISION OF WATFR awiTv
TYPICAL SECTION F-F lff=YH&VI
TYPICAL RAISED CONCRETE LIP SECTION G-G NTs
WEIR CROSS SECTION 1' = 2' H&V1
I
E3
1
11111"m
muNIMIXT41.7mT71-7
�j
IR3
004w
W&K
sede
AS SHOWN
Draw By
Dde
DW
wt"
Gmdmd By
Job Na
DW
20903%W
S. T. Wooten Corp. Concrete Plant No. 21
SNEADS FERRY ONSLOW COUNTY NORTH CAROLINA
CLOSED LOOP RECYCLE SYSTEM
DESIGN AND CALCULATIONS
WITHERS RAVEN EL Shad No.
ENGINEERS I PLANNERS I SURVEYORS 3
111 MocKenon Drive Cary, North Cororino 27511 W: 919-49-3340 www.v(dhersmvenel.com License No. C-0832

}
--- ------ ------------- -- --'
----------` �' - 11 I 1
'('
- __---- ____-' __'-. , ,' r __
----------- - ---'� \ ---1 ```�`�`�`, I • -� `1 �`\`,
-------------
-------------------- --- VELOCITY DISSIPATER -PAT?--__ �I
``. ` ` `,` '-
W/ FILTER FABRIC UNDERUNEFC-- ' '' I 38.00
SWHT LOCATION '. `
#3 L.9.o' \ ,--_-- -
WIDTH AT OUTLET' 6.0'
DOWNSTREAM WIDTH: 12.0'
I THTCKNESS: 2Y
CLASS B RIP E2AP
-
EDG OF PROPOSED GRAVEL ''
38.20 ------ - --- --
` �- s------>--36.5-----�'r-�'---.ice=_-_-_-_-' '=��-=�
i
Ii1 \1
,O�
-----35.5----------T--- -t- --�
Ir II
1� _
3
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m
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3 '
a1
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/ O / 3:1 SLOPE-, 3 3 1
m
111 ,
`,
f ----''
------ I
I
CG
E ` a.0 - ---- --- M /----30.5-----------31 ----- ---7-- I
L11I
ff EL:34.00 ( ---------------��o.a, STORMWATER WET POND
_
I _ FOREBAY o `94
---30.5----31--------�=--- -
n
or _ _ I ' 1,0
0- O
-
1 /
I
I
I
I
I
I
I
I
I
I
I
(s�
(S '
I
I I
' -- 34''',
ro _ M40
-1 32 .
11
Nil"
PP
\ 3 ---
X PERMANENT POOL EL: 36.0 170.80'
36.10
�8
.20 +
0
I
I
_ _ _PROPOSED BERM 38.20 X X 38.20 ;
3:1 SLOPE
3---------
1 11
3
NCE o 0 0 0= -0 0�---0
34 0�-0
STORMWATER ACCESS AND MAINTENANCE EASEMENT __ 34" '- F3
ul
`11111111111 /, I//
.`o`OQCN CARO,''
�;.OFESSIp..'T2 ;
SEAL _
25495
FINAL DESIGN
NOT RELEASED
FOR CONSTRUCTION
.10
r Ir ID
(1Y2'
0
•3 BAR PICALMEACH FACE)POURED IN PLACE
COLLAR
or
I I
Mc (�TyP )
2-
Ir ID
r
AR DIM6. ANNO COLLAR
---
PIPE INVERT EL: 31.0
PERMANENT 5'X5' CONCRETE
1
111,
SEASONAL HIGH
WATER TABLE CHART
PERMANENT POOL EL: 36.0
___ --_ RISER OUTLET STRUCTURE
I
'1
I
i
I
BORING LOCATION
EXISTING GROUND
ELEVATION
--------
VELOCITY DISSIPATER PA
-' W/
FILTER FABRIC UNIDERU ER
L. 9.0'
I
1
34.7
WIDTH AT OUTLET: 6.0'
L ,
--------
' - --
'33
DOWNSTREAM WIDTH: 12.0'
�'
iii'
\
2
36.5
NOTES:
s BAFFLES NOT REQUIRED SINCE'.FLOW LENGTIJ,EXCEEDS 1.5:1 WITH
THICKNESS:
P
CLASS B RI.RAP
i
I `
3
37.2
A MINIMUM 3:1 FLOW PATH (3.5:1) \ Ai,
i s SEASONAL HIGH WATER TABLE (SHWT) WOIN 6"-12' OF EXISTING GROUND \
`I
ELEVATION IN AREA OF POND
\
• STORMWATER ACCESS AND MAINTENANCE EASEMENT SHALL BE RECORDED
` PRIOR TO COMPLETION OF STORMWATER POND CONSTRUCTION
PP I
_ � '
I `1
I, ', • `
'�
ill! �
==
STORMWATER WET POND -SITE PLAN
I
I-
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it
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2
1
45
i9
1' = 20'
ELEVATION AREA (SF) INCR�CF) VOL ACC�CF) OL
TOP OF SEDIMENT
31.50
2,861
0
0
BOTTOM OF SHELF
35.50
7,622
20,137
20,137
PERMANENT POOL
36.00
12.216
4,937
25.075
PP VI 25,075 CF
TOP OF SHELF
36.50
15,020
6,797
31,872
TEMPORARY POOL
36.75--
15.766
3.919
35,791
TP VOL: 10,716 CF
L1.1111111111
25
DEPTH TO SHWT SHWT ELEVATION
AT/NEAR SURFACE 34.7
-6--12• BELOW SURFACE 35.5-36.0
BELOW SURFACE 36.7-36.2
PRECAST REINFORCED BOX
6' THICK SIDEWALL
SLAB TOP INVERT ELEV 37.25
6° HIGH OPENING ON ALL SIDES-
TEMPORARY/WATER Ql1ALRY POOL ELEVATKIN: 36.75
NORMAL POOL EL' 36.00
4' THREADED CAP
WITH 1 1 /2' DU HOLE
4' PVC CUT TO
REQUIRED LENGTH
EXTDID GATE VALVE HANDLE 6' ABOVE WEIR EL
6 SLAB TOP (SEE DETAIL)
ONSL'ITAIL LMANHOLE STEPS AT O.C.
(SEE DETAIL THIS SHEET)
IF JOINT IS REQUIRED USE
1=n g4x Yx1Y STEEL STRAP
e'.."M W/ 7 - AAeO•
GROUT INSIDE
USE NPC KOR-N-SEAL OR
CASi-A-SEAI_ OR EQUIVALENT
REINFORCED CONCRETE
COLLAR WITH 2-LAYERS
0 ROE R ARCODUNNDD PIPE
1 '-5'
9 18' DIP
C SCH 10 PVC
ELEV 32.SD INV4 EL
PROVIDE WATERTIGHT SEAL
USING EPDXY SEALANT
FILL BOX wrt1H THREAC
4°X4' PVC TEE CONCRETE TO PIPE INVERT'. 4,
SLOPE TO ORNN;
4° GATE
ELEV 31.00
• _ 6
' e d.
NOTE:
RISER BOX AND OUTLET PIPE SHALL BE SEE ANCHOR DETAIL
INSTALLED PRIOR TO THE BEGINNING
OF OVERALL SITE GRADING AND SHALL
BE UTILIZED AS A SEDIMENT CONTROL
DEVICE DURING GRADING & SITE
UTILITY CONSTRUCTION. A SKIMMER
SHALL BE ATTACHED TO THE DRAIN
VALVE IN BOX SO BASIN FUNCTIONS CONCRETE RISER BARREL DETAIL
AS SEDIMENT FILTER BASIN. ONCE
GRADING IS COMPLETED AND SITE NX-S
HAS BEEN STABILIZED, THE SKIMMER
SHALL BE REMOVED AND BASIN SHALL
BE CLEANED OUT AND STABILIZED.
NOTES:
1. VERTICAL SPACING = 12" O.C., ON VERTICAL WALL ONLY.
2. STEPS TO PROTRUDE 5- FROM FACE OF STRUCTURE WALL,
AND SHALL WITHSTAND A VERTICAL LOAD OF 400 LBS. AND A
HORIZONTAL PULL-OUT LOAD OF 1000 LEIS. WHEN INSTALLED.
3. ALL STEPS SHALL BE VERTICALLY ALIGNED IN A STRAIGHT LINE.
ENCAPSULATED STEEL STEP
STORMWATER WET POND CHART
DIMENSIONS
ELEV.
TOP OF DAM WIDTH
5'
38.20
TOP OF RISER (WEIR OPENING)
5'-0°X5'-0•
36.75
ANTI -FLOATATION DEVICE
7'X7'X12*
N/A
OUTLET PIPE INVERT IN
46 LF 18' DIP O 1.09%
32.50
OUTLET PIPE INVERT OUT
32.00
DRAWDOWN PIPE
OPENING IN 1CAP 1/2"
36.00
CORROSION RESISTANT
MATERIAL
1 /Y DIAMETER
STEEL ROD
SECTION
RISER STEPS
NTS.
CAP
OR
OLTS
ANCHOR DETAIL
7'X7' XIY CONCRETE m
ANTI -FLOATATION
BASE
MANHOLE RING & COVER ACCESS
-''
OFFSET OVER STEPS
6' PRECAST CONCRETE SLAB
EL- 37.75
EL 37.25
Ir VOID SPACE`
EL 36.75
'
.,...
`".�,. .�`. �.•' ' �.''
PRECAST REINFORCED BOX
TYPICAL SLAB TOP
NTS.
PRE -POST DEVELOPMENT SUMMARY
Storm Event
Pre -Development
Outflow
Post -Development
Outflow
1-Year
1.44 cfs
0.17 cfs
2-Year
14.61 cfs
14.92 cfs
10-Year
1 19.43 cfs
1 19.55 cfs
100-Year
25.03 cfs
24.44 cfs
STORMWATER WET POND
OUTFLOW SUMMARY
Storm Event
Peak Water
Surface Elevation
Freeboard
Peak Outflow
1-Year
36,76'
1.44'
0.14 cfs
10-Year
37.06'
1.14'
11.02 cfs
50-Year
1 37.12'
1 1.08'
1 14.00 cfe
100-Year
37.17'
1.03'
16.91 cfs
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0311
OleI of
lob Nn
OW
MKIM9Aa
OF WATER QUALITY
WITHERS & RAVENEL
ENGINEERS 1 PLANNERS I SURVEYORS
I II MocKenon Drive Cary, North Carofino 27511 tel: [phone] www.withersravenel.com License No. C-0832
15
I•.
IR
SO
15
SW Nn
4

PIPE DK
e17!lAYJA ✓ RIP RAP
TYPM n CO o
SECTION
ISOMETRIC VIEW
ALWA
QDIA
do -la -
W - APRON WIDTH
3 X PIPE A MIN
a - APRON OEFRI PLAN
T�La
SLOPE
d
NOTES: Fitter blanket
SEE APPROPRIATE SCHEDULE FOR DIMENSIONS
1. LA IS THE LENGTH OF THE RIP RAP APRON.
2. D = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT
NOT LESS THAN 6'
3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE
INSTALLED BETWEEN THE RIP RAP AND SOIL FOUNDATION.
M OUM TO FLAT AREA - NO WELL DEFINED CHMNIrIa
5/1
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL THREE INCHES DEEP OVER ADVERSE
SOIL CONDITIONS. IF AVAILABLE.
2.
RIP THE ENTIRE AREA TO SIX INCHES DEEP.
3.
REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE
REASONABLY SMOOTH AND UNIFORM.
4.
APPLY AGRICULTURAL LIME, FERTILIZER AND SUPER PHOSPHATE UNIFORMLY AND MIX WITH
SOIL (SEE MIXTURE).
5.
CONTINUE TILLAGE UNTIL A WELL —PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS
PREPARED FOUR TO SIX INCHES DEEP.
6.
SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING
EQUIPMENT OR CULTIPACK AFTER SEEDING.
7.
MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
8.
INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDING WITHIN
THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 6OX DAMAGED,
RE—ESTABLISH FOLLOWING THE ORIGINAL LIME, FERTILIZER AND SEEDING RATES.
MIXTURE
AGRICULTURAL LIMESTONE: 2 TONS/ACRE (3 TONS/ACRE IN CLAY SOILS)
FERTILIZER: 1,000 LBS/ACRE — 10-10-10
SUPER PHOSPHATE 500 LEIS/ACRE — 2OX ANALYSIS
MULCH 2 TONS/ACRE — SMALL GRAIN STRAW
ANCHOR: ASPHALT EMULSION AT 300 GALS/ACRE
SEEDBED PREPARATION
PERMANENT SEEDING SCHEDULE - MIXTURE SCP
Seeding Mixture
SPECIES RATE (LB/ACRE)
CENTIPEDE GRASS 10-20
Seeding Dates
MARCH — JUNE
Soil Amendments
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS. OR APPLY 300 LH/ACRE
10-10-10 FEFMUZER.
Mulch
DO NOT MULCH.
Maintenance
FERTILIZE VERY SPARINGLY LB/ACRE NITROGEN IN SPRING WITH NO PHOSPHORUS.
CENTIPEDE GRASS CANNOT TOLERATE HIGH PH OR EXCESS FERTIUZER.
TEMPORARY SEEDING —LATE WINTER/EARLY SPRING
Seeding Mixture
WINTER AND EARLY SPRING
SPECIES RATE (LB/ACRE)
Rye (GRAIN) 120
ANNUAL LESPEDEZA (KOBE IN PIEDMONT 50
AND COASTAL PLAIN, KOREAN IN MOUNTAINS)
OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT TO EXTEND
BEYOND JUNE.
SUMMER
SPECIES RATE (LB/ACTS
GERMAN MILLET 40
FALL
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
Seeding dates
COASTAL PLAIN - DEC.1-APR. 15 - LATE WINTER AND EARLY SPRING
ARIL 15 - AUG. 15 - SUMMER
AUG. 15 - DEC. 30 - FALL
Soil amendments
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND AGRICULTURAL
LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER.
Mulch
APPLY 4.000 LS/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING OR A
MULCH ANCHORING TOOL A DISK WITH BLADES SEr NEARLY STRAIGHT CAN BE USED AS
A MULCH ANCHORING TOOL
Maintenance
REFS iTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, RF.FERTIUZE AND MULCH
5/3
IMMEDIATELY FOLLOVANG EROSION OR OTHER DAMAGE
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VEGETATED SHELF �.�
SHALLOW WATER
SHALLOW LAND
WET POND SHELF VEGETATION PLAN 1" = 30'
VEGETATION PLAN - VEGETATED WET POND SHELF
SHALLOW WATER (NORMAL POOL TO 6' BELOW)
= 2,335 S.F. 50 HERB. PLANTS / 200 S.F. = 584 PLANTS
PLANT TYPE
OTY
KEY
BOTANICAL NAME
COMMON NAME
ROOT
CALIPER
HEIGHT
NOTES
HERBACEOUS
58
Acorus calamus
Sweet Flag
CONT.
4" Pot
24" O.C.
58
Acorus calamus 'Voriegato'
Variegated Sweet Flag
CONT,
4" Pot
24" O.C.
58
Peltandra virginica
Arrow arum
CONT.
4' Pot
24" O.C.
118
Pontedaria cordato
Pickerelweed
CONT.
4" Pot
24" O.C.
58
Sagittoria loncifolio
Bulltongue Arrowhead
CONT.
4" Pot
24" O.C.
58
Sagittorio lotifolia
Broadleaf Arrowhead
CONT.
4" Pot
24" O.C.
88
Saururus cernuus
Lizard's tail
CONT.
4" Pot
24" O.C.
88
Schoenoplectus tabernaemontani
Softstem Bulrush
CONT.
4" Pot
24" O.C.
SHALLOW
LAND
(NORMAL POOL TO 6' ABOVE)
= 2,640 S.F. 50 HERB. PLANTS / 200 S.F. = 660 PLANTS
PLANT TYPE
OTY I
KEY
BOTANICAL NAME
COMMON NAME
ROOT
CALIPER
HEIGHT
NOTES
HERBACEOUS
66
Asclepius incarnato
Swamp Milkweed
CONT.
4" Pot
24" O.C.
66
Carex stricta
Tussock Sedge
CONT.
4" Pot
24" O.C.
®66
Hibiscus moscheutos
Rose Mallow
CONT.
4" Pot
24" O.C.
66
Iris versicolor
Northern Blue Flag Iris
CONT.
4" Pot
24" O.C.
99
Iris vir inica
Southern Blue Flag Iris
CONT.
4" Pot
_
24" O.C.
99
Juncus effusus
I Soft Rush
CONT.
1 4" Pot
24" O.C.
132
Lobelia cardinalis
Cardinal Flower
CONT.
I e Pot
24" O.C.
_1
66
Scirpus cyperinus
Woolgross
I CONT.
I 4" Pot
24" O.C.
All other slopes shall be seeded according to the Seeding Schedule.
UTILITY CONTACTS:
1. CONTACT THE NORTH CAROLINA ONE CALL CENTER PRIOR TO DOING AND DIGGING.
1-800-632-4949
NOTICE REQUIRED
ALL EXISTING UNDERGROUND UTILITIES SHALL BE PHYSICALLY LOCATED BY CONTRACTOR
PRIOR TO THE BEGINNING OF ANY CONSTRUCTION IN THE VICINITY OF SAID UTILITIES.
CONTRACTORS SHALL NOTIFY OPERATORS WHO MAINTAIN UNDERGROUND UTILITY LINES
IN THE AREA OF PROPOSED EXCAVATION AT LEAST TWO WORKING DAYS, BUT NOT MORE
THAN TEN WORKING DAYS PRIOR TO ANY EXCAVATION OR DEMOLITION.
GENERAL GRADING NOTES
1, REASONABLE CARE HAS BEEN EXERCISED IN SHOWING THE LOCATION OF EXISTING UTILITIES
NOT KNOWN IN ALL CASES.
DITCHING OPERATION BY
PERSONAL CONTACT WITH THE
IN ADVANCE OF THE TRENCHING
EXISTING UTILITIES.
NG FROM ANY DAMAGE TO THE
IRS AND LOSS SERVICE REVENUE.
EXISTING UTILITIES, SUCH AS
WATER LINES, ETC...
2. CONTRACTOR SHALL COMPLY WITH THE LATEST REVISIONS AND INTERPRETATIONS OF THE
DEPARTMENT OF LABOR SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION PROMULGATED
UNDER THE OCCUPATIONAL SAFETY AND HEALTH ACT.
3. CONTRACTOR SHALL PLAN AND CONSTRUCT WORK SO AS TO CAUSE MINIMUM INCONVENIENCE
TO THE OWNER AND THE PUBLIC. THE CONTRACTOR SHALL PROVIDE, ERECT AND MAINTAIN
AT ALL TIMES DURING THE PROGRESS OR TEMPORARY SUSPENSION OF WORK, SUITABLE BARRIERS,
FENCES, SIGNS OR OTHER ADEQUATE PROTECTION, INCLUDING FLAG MEN AND WATCHMEN AS
NECESSARY TO INSURE THE SAFETY OF THE PUBLIC AS WELL AS THOSE ENGAGED IN THE
CONSTRUCTION WORK. CONSTRUCTION SIGNING SHALL BE IN ACCORDANCE WITH THE LATEST
EDITION OF "CONSTRUCTION AND MAINTENANCE OPERATIONS SUPPLEMENT TO THE MANUAL ON
UNIFORM TRAFFIC CONTROL DEVICES" BY THE NCDOT.
4. ALL MATERIAL CLEARED AND GRUBBED BY THE CONTRACTOR IN ORDER TO CONSTRUCT THE WORK,
SUCH AS TREES, VEGETATION, FENCING, ETC... SHALL BECOME THE PROPERTY OF THE
CONTRACTOR AND SHALL BE PROPERLY DISPOSED OF OFF -SITE OR BURNED IF PROPER PERMITS
ARE RECEIVED.
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S. T. Wooten Corp. Concrete Plant No. 21
SNFADS FERRY ONSLOW COUNTY NORTH CAROLINA
/D
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UNNAMED TRI
TO MILL
i
0
, 1
' I I
1
1 =\
1 �
I
,` ;
' PRETDEVELOPMENT DRAINAGE AREA: 6.54 AC
\
ammool�
I AD
y 1 ,
` 1 IN
\
_ , \
/ \ / 'T,
SURFACE FLOW TO EXISA1W WETLANDS._,'
'EXISTING' SITE §T6RMWATER,_913CPIAR6E1('OINT 1
%
I \� P \\\ \ `\`
NOTE: ------
EXISTING TOPOGRAPHY TARN --FROM B T\` ARABLE G(iS DATA
PRE -DEVELOPMENT DRAINAGE AREA MAP
1"=100'
/ I ,
POSH DEVICLOPMENT DRAINAGE AREA 3 / 1 ;
`----- / I UNTREATED: I I
`+ 1918L 2 S tom-- 110120 SF = 81,712 SF;;ry1.88 AC
' ' I
1 /
IMPERIOUS AREA
SHEET, FLOW TO EXISTING WETLANDS 0.27 A ;702 SPOST DEVELOPMENT DRAINAGE AREA 1
t1F;AtTQ%STORMWATER WET POND:! --'/
-_- } fT 10,120 SF — 15,746 SF 94,374 SF; , 2.17 AC
`.
/
N It
It
womb
%I :Yti:::. 1 - , ,
DRAMS T I WASfEWAER OPERRA/iIONS \ ``
PERMITTED SEPARATELY
UNNAMED TRIBUTARY I ) ! DRAINAGE AREA 21: 15,746 SF
TO MILL CREEK -- `% iii �It (SHADED AREA) f -
lybll_DISCHAR(yE DRAINAGE/ LIMIT TO
\`--- }•: - �� = A — ; ; PRQPOSED RtCYCLE BASIAI
\
_--SIORMWATE# It ---
WE ND 1 It
,SURFACE FLOW TO EXISTING WETLAtNO�
-.-"---,-----------
SITE STOI�MWATri'DISCHAR E'PCTNT--/ II /- IMPERVOUS AREA 01 S#i OR�' ' WATER WETI1 POND:
---- 6WASTEWATER ARE�NbTI INCLUDED
5,755
� SF; 1.5t' � SaNCLUDES 1506\SF FUTURE Akp) +�
,
APPROVb
tt ItI ;' N j CA�t
J OLINA EHVIRONMENTkI
I I
- --- 1dM GWENT , MISSION
%1 I , , . , ' % NOTE:
-''' = I I t ; ' ;♦ MtONF WKER QuA __
; _TPOGRAPHY TAKEN"ZOBE�01 EXISTING OILABLE GIB DATA
FINAL DESIGN 1 NOT RELEASED POST -DEVELOPMENT DRAINAGE AREA MAP
FOR CONSTRUCTION 1" = 100'
DRAINAGE AREA DELINEATION MAP
AND DETAILS
9CAl� r � Tar
WITHERS RAVEN EL
ENGINEERS I PLANNERS I SURVEYORS
III MocKenan Drive Cary, North Carolina 27511 td: 919-469-3340 www.wi'ftmmv*W.com Uww No. C-M2
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