SW8970517_APPROVED PLANS_19970626 (2)

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 q1 0 5 1-1
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
I q 9� -1 O 1p 2 to
YYYYMMDD

e
SEEDING SCHEDULE
SPREAD 4" TOPSOIL OVER AREAS TO BE SEEDED
AND ESTABLISH UNIFORM
GRADE PRIOR TO SEEDING. APPLY LIME AND FERTILIZER AND WORK INTO
SEED BED, DISTRIBUTE SEED UNIFORMLY AND COVER LIGHTLY.
APPLY CLEAN STRAW MULCH OVER SEEDED AREA
AND ANCHOR SECURELY
NTH STRAIGHT BLADE DISC IN FLAT AREAS AND
MATH ASPHALT TACK
WHERE SLOPES EXCEED 4X
MATERIAL
APPLICATION RATE
LIME
2 TONS/ACRE
20X SUPERPHOSPHATE
600 POUNDS/ACRE
FERTIUZER(10-10-10)
1000 POUNDS/ACRE
APRIL - JULY
FESCUE, KY-31
50 POUNDS/ACRE
BERMUDA (HULLED)
10 POUNDS/ACRE
JANUARY - MARCH
FESCUE, KY-31
50 POUNDS/ACRE
BERMUDA (UNHULLED)
20 POUNDS/ACRE
RYE (GRAIN)
25 POUNDS/ACRE
SEPTEMBER - NOVEMBER
FESCUE, KY-31
50 POUNDS/ACRE
MULCH 2 TONS/ACRE
ASPHALT TACK 300 GALLONS/ACRE
NOTE: OWNER MAY VARY SEEDING TO CONFORM TO LANDSCAPING REQUIREMENTS
SEEDBED PREPARATION NOTES:
1. SURFACE WATER CONTROL MEASURES TO BE INSTALLED ACCORDING TO PLAN.
2. AREAS TO BE SEEDED SHALL BE RIPPED AND SPREAD WITH AVAILABLE
TOPSOIL 3" DEEP. TOTAL SEEDBED PREPARATION DEPTH SHALL BE 4'-6" DEEP.
3. LOOSE ROCKS, ROOTS AND OTHER OBSTRUCTIONS SHALL BE REMOVED FROM THE
SURFACE SO THAT THEY WALL NOT INTERFERE WITH THE ESTABLISHMENT AND
MAINTENANCE OF VEGETATION. SURFACE FOR FINAL SEEDBED PREPARATION,
AT FINISH GRADES SHOWN, SHALL BE REASONABLY SMOOTH AND UNIFORM.
4. IF NO SOIL TEST IS TAKEN, FERTILIZER AND LIME TO BE ACCORDING TO SEEDING
SPECIFICATIONS ABOVE. IN ADDITION, PROVIDE 15 LBS/1000 S.F. OF SUPER
PHOSPHATE.
5. IF SOIL TEST IS TAKEN, PROVIDE LIME AND FERTILIZER ACCORDING TO SOIL TEST
REPORT.
6. LIME AND FERTILIZER SHALL BE APPLIED UNIFORMLY AND MIXED WITH THE SOIL
DURING SEEDBED PREPARATION.
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CARDINAL VILLAGE II 1 0.6
j� M.A. 8 P 71 Cl 2.88
ZONED R-7
BLK.O 00 DRIVE _ 6 _
I _
DITCH WV. \ I / I 1 A' / > ^I 1 ^I 46. 2 I
44.02 1
I �g
61' 35' 48, ' CUT OITCN TD 0.2X GRADE I \ 2 / P w ce 6 / / ` ^1 I �LK.N
a2230g �-
♦�I I l4 0 i•460AI� .4�8 4(
EA WV._43A L1
46 84 0 5,_43.1_
15,
sae �' :6.3 4 r54
a 1
& URu /DRAWACE 7i G 61. 14' 3 I I DITCH IN 1 <
4774
DETENTION
POND A"
r ' STORMWATER
a EASEMENT
E REr40'eED) EASOTENT 5C� A 4 W,3/94{��_ I 41.0 E)OST. M.H.
°9,'2 , 4 PS0.00 TOP - 47.92 ' O
DOST. M.N. 455.t: LS - - L6 IrV. - 42.87 FlNNEY S
LOT 11 TOP - 49.03 `y t a .$ 4s . �_ . a r
yyy WV. - 41.56 I 42.8 ,-� ` _.. �-r �-
0. 94 AC. . -T� 50 \ _ _ - 1 .. 2, 1
LOT 12 ; \ E76sT DITCH
(110 0. 95 AC. <`,. $ LOT 13 �� I � 46.229 4>� 4_.t 4. a :71�
= I� yI1. 20 AC. �� \7�WV.-42.90 a�2 4, rr
,4-
LOT 14 4- 4
N I DETENTION
CB4D4 SDI
/0' R �TOPZRB _ _ 0. 94 AP. POND B
TEMPORARY GRAVEL WV.-46.5 -- 33' M.B.L •a9.5 1 I � i c6 as
GENERAL NnTFC_ .. TURN MOUND 1SO.00' NORTHWEST DRIVE -- I y�2 5 wAEASEM�T[R a7ea;451
a-6
a
---- 148.50' ,80• R/W ((PUB _ J I �, : 64
1. ALL RIGHT-OF-WAY INTERSECTIONS HAVE A 20' RADIUS. m•^ _ 190.00 uC, - �f �-�PTR5OPw
2. SIGHT DISTANCES ARE 10' x 70' AT INTERSECTIONS. E h1 PROP. .5 as E
4 CS
3. LOT DIMENSIONS SHOWN HEREON ARE SCALED DISTANCES. PROP. e - W '�54 Wv.=Zo 7 ys
4. DEVELOPERS TO FURNISH STREET SIGNS ACCORDING TO CITY STANDARDS. - 35, - TW 4a7 -- 15C.0 • 46 5 47
5, LOTS WALL BE SOLD & DEVELOPED INDIVIDUALY (LEFT WOODED). ti� w'S.L =' 181.88 _'
6. SOIL DISPOSAL & DEBRIS WALL BE HAULED IF REWIRED. 4 1 a3 yyy ,
7. ALL FLARED END SECTIONS TO BE LINED WITH CLASS (1) RIP RAP. o' TEMPORARY �•R I -
8. DETENTION PONDS TO BE MAINTAINED BY BUSINESS PARK OWNERS ASSOCIATION. ^ �/ AR(X#ro _ g�
9. DETENTION PONDS ARE COMMON AREA. �S°4plr I I a �r� - - I PROP. a TOP-bs
10. THERE ARE NO WELL OR SEPTIC TANKS LOCATED IN THE GENERAL AREA OF TNEI PROJECT. g 3 I I } 1 r i TOP-47.0 207.99 ' Wv.-43.1_ -
11. RESTRICTIVE COVENANTS LIMIT BUILT UPON AREA TO 85X a� LOT 10 o I h-0 I �v._437a - --� I I 4'
, �N/F
12. THE SITE HAS NO AREAS OF ENVIRONMENTAL CONCERNS. "� � L ��" I 4�' '�
/ 2. 04 AC. I o s ,, I T 35' M.B.L 1 I ONSL OW INVESTORS LLC
13. THIS SITE IS NOT IN A 100 YEAR FLOOD ZONE AS PER F.E.M.A. MAP j370178-00028, I >
> LOT 8 M.B. 23 P. 132
EFFECTIVE DATE FEB. 15, 1985 AND IS NOT IN AN AREA OF ENVIRONMENTAL CONCERNS. o N LOT 9 0 I - I
•, p n' - I a, e d - , 'DINED C.U. B-1
1. 13 AC. J Y. a
- N/F h J 4o,^/m 1.04 AC. v y 061 ro v I� LOT 7 �I LOT 6 V. ' agTOP T:ia37
HDX CORPORATION -1 / _ _ �� of aI o 1. 13 AC.. 0 1.00 AC. 'm 1 WV. - M.20
M.B. 27 P. 75 - i / /i� N r NI CONSTRU
M.B. 27 P. 103 .eh- / 4 I N C� I 4� 5 E+ TEMPORARY sei79 a tC
DR
Civ
ZONED C.U. B-1 /L 0' D.t U.E.AINAGE BREAK I I �7 r Z
- DITCH I I I I p_ D.c - - r -
50.01 �I 204.56
DRAINAGE BREAK w
a9 a DIST. ' 0&1\ 21m Pl TOP _
2G',unu7Y E I m L�� / WV. - 4a / m INV. 44.se
0 ASEMENT I� 4 I LOT 4 LOT 5�
O / I 1. 50 AC. 1. 13 AC. � 8,d7�
LOT 1 I ^t . LOT 2 LOT 3 4 I c ^� 1 //�� i
o /
�•/ '` ° 2. 69 AC. I pj I 1. 55 AC. 1. 53 AC. 7 I ,a j' I oil
� - �r 1 // /
'yry p I 49.0
EXIST. M.H. / -� i M I q Oo� I 1p OI
- 16.e0 ,> 49 I % iV ,rj PROP. CIS I I I N �' - 49 2 ACCESS EASEMENT
t UTN
PR CB PROP. 1 TOP-460
T . Ce TOM44��..0 '49.6 WV._46.20 IO PROD. CO �� -_
EXIST e• >' • 48.90 WV 4e.3 WV.-46.10 D: TOPq+e.0 - - -� 9TJ6 w"
� = r - �% - - _ - I - - - - 49 6 - - - - - - - - I I Wv.+46 07 yp_M B.L _- - - 6'?''_ - c'°n•
49 2 U1
00'M.B.L II I= L-
�- _ ---_---J L- so' M.BA_ _ _-+ Ey1T. .490_ ---
49 8 9oN
TO RESTERN FA - - - - - - - - a ' _ - - - - - ABLE TO DIET INVERT)
15' x25' SIGN E511T
a8.8�- 15' rEXIST. CIL
�♦ WV. TOP - 49.02
H�O a - _ a}.8043a 0.55� N.C.Sp DR. '^ 6• 9DEWALX .. 0
dY�3 Ewe r 3 78'2REG _ _ lyx �6+ i
_ L. _ �pROP
CUT IEjW'DITCN f.{-� .•.CONC"•W Ilizzic- 4 CONC• W R' �T NEW DITCH P.6®00 sa _�• - z.
.. . 4' C011C•
Ci PROP.
STA 172+ _ _.__r ..._... I� P ____ -
/ \Zp�%ti�SU � 51 0
40.690 J 46.4 46.5 • a'v a 80 _ 51.
.. � CUT NEW�TCH �.. 1
-- 0 _aF - PJ. 170+50 i9.' 20•UTUTY DANCE ( r�1 -
-_ --- _ - - rr ENTRANCE (�91EE 9OF 10) •a INV."14.97 rr Y
r _
ST� - _ _ _ - _ -- _ r ♦ r (�OSS'0� -
172+50, 01`T)
rrrr
(RIGHT -IN, RIGHT
4 - ---
,R
-
-- (C�b
oss- - - - - - - - - - - - - - - '
-
�
- -- s �b gg�-RGFI -pU11� YJE RN �--�--
�_ N v =42.21 V _ T - - -T-- 1
TRACT DATA:
TOTAL ACREAGE = 25.13 AC.
HENRY HAYE & ERIC BUFFONG I I ACREAGE IN PARK OR OTHER LAND USEAGE = 0
ZONED R-7 AVERAGE LOT SIZE = 1.80 AC.
TOTAL NUMBER OF LOTS = 14
LINEAR FEET OF STREET - 3,038
ZONING - C.U. B-1
CONSTRUCTION SEQUENCE OF EACH SECTION
NOTE` 1. OBTAIN PLAN APPROVAL.
THERE ARE NO WETLANDS ON THIS SITE. 2. INITIATE CLEARING & INSTALL CONSTRUCTION ENTRANCE, GRAVEL, & RIP -RAP FILTER BASINS, I EGEND•
& INTERCEPTOR DIKES ADJACENT TO DITCH. D.E. = DRAINAGE EASEMENT
3. BEGIN STRIPPING SITE & EARTHWORK. INSTALL ROCK DAMS & SEDIMENT TRENCHES IMMEDIATELY T.C. = TOP OF CURB
UPON OPENING OF ENTRANCE, ALSO INSTALL CONSTRUCTION ENTRANCE. J.B. = JUNCTION BOX
4. INSTALL CULVERT, MAINTAINING FLOW IN EXISTING CHANNEL. UPON COMPLETION, INSTALL U.S. & F.H. = FIRE HYDRANT
D.S. RIP -RAP & BEGIN PLACING FILL OVER PIPE. ELIMINATE INTERCEPTOR DIKES. M.H. - MAN HOLE
5. MAINTAIN STRUCTURES DURING CONSTRUCTION. C.B. = CATCH BASIN
6. STABILIZE SLOPES & DITCHES AS THEY ARE BROUGHT TO GRADE. L.P. = LIGHT POLE
7. REMOVE TEMPORARY MEASURES. P.P. = POWER POLE
G.V. - GATE VALVE
B.O. = BLOW -OFF
M.B. - MAP BOOK
D.B. - DEED BOOK
THIS IS TO CERTIFY THAT THIS MAP WAS PREPARED FROM
PG. =PAGE
AN ACTUAL SURVEY BY ME OR UNDER MY DIRECT SUPERVISION,
MINIMUM BUILDING LINE
AND THAT THE ERROR OF CLOSURE AS CALCULATED BY LATS. & M.B.L. =
DEPS. IS 1:jig*006r-I' "A„ ®= LINE BEARING DISTANCE EXISTING ASPHALT PAVING
CURVE DELTA RADIUS ARC CHORD TANGENT CHORD BRG
WITNESS MY HAND & SEAL THI$`' f.7'�+ '�'�^�"• Li N 62' 06' 43" W 74.93 Cl 16' 25' 31" 5629.58 1613.87 1608.35 812.51 N 7113' 24" W
L2 N 62' 04' 03" W 74.83 C2 19' 19' 28" 300.00 101.18 100.70 51.08 N 31' 41' 41" E =ROCK CHECK DAM
L3 N 61' 21' 18" W 75.09 C3 12' 57' 13" 300.00 87.82 87.68 34.06 S 34' 52' 48" W
- L4 N 61' 31' 15" W 96.97 C4 11' 52' 59" 530.00 109.92 109.72 55.16 N 22' 27' 43" E
JOHN L PIER , R.L.S. L-Z596z L5 N 62' 44' 00' W 80.90 C5 16' 18' 46" 300.00 85.41 85.13 43.00 N 69' 45' 11" W -o = WATER SERVICE
2 r9/-�- L6 N 61' 48' 13" W 20.86 C6 85' 54' 34" 45.51 68.24 62.02 42.37 S 34' 57' 17' E -o =SEWER SERVICE REF: PORTION OF M.B. 23 P. 132
y�
D = 16 r •_l 3/8
APPROVED
NORTH CAROLINA ENVIRONMENTAL
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
Dm2(o J)N 1 Al2,
swmwl16E pow Nm-NW 0S 1
STORMWATER
D
E C E I V E
JUN 0 91997 D
PROD #&�7051
SEDIMENTATION & EROSION CONTROL
GENERAL GRADING & DRAINAGE PLAN
SHOWING
NORTHWEST BUSINESS PARK
JACKSONVILLE TOWNSHIP, ONSLOW COUNTY, NC
PREPARED FOR
DEBRA R. RAY, TRUSTEE FOR RICHARD L. RAY
IRREVOCABLE TRUST DATED 1 /28/94
PREPARED BY
JOHN L. PIERCE - SURVEYING
409 JOHNSON BLVD. JACKSONVILLE, NC 28540
PHONE: [phone] DATE: MAY 7, 1997
SCALE: 1" = 100' F.B. 301, PG. 18 - F.B. 322, PG. 52
JOB #972824 FILE NAME: NWBPGP
100 50 0 100 200 300
SCALE IN FEET
SHEET 1 OF 10
REVISED: 05/06/97 REVISED: 05/27/97 REVISED: 06/03/97

-r"T W-

1
V2 R� rl/2 R
t s
` r 'r t
r
t '
� 24 I
CURB BI GUTTER
SCALE:I/8-- C-0
MIN
t 2„Min. I
1
�.
�Kv rJo I U_ E �I
1
VALLEY GUTTER
SCALE : 3/4- I-0
w 4-0
E'
10
7
Traverse Joint
m
j-0 Min, 1 • \ \
O Utility Strip
tL
0 v
m
\ r
_ 4'- 0" I
Utility Strip Tamped Earth �1 \\\2500 1 b. Con
SIDEWALK DETAIL
SCALE : I/2 = I'—0'
Must
I i i
RIP -RAP STILLING BASIN
NC. 67 STONE o-o� '\' ("X)
cPc° I
o�'O
c L3'YIN.
e
j'
00. I RIP -RAP
i
4' YIN.
MIN.
ROCK CHECK DAM
✓V, t, I'jlti. G%
UC
_.�/ '„fi•
n.
crete
fir, 1V4 L 1/,[,r; „
Cat=)
I� 50'-0"
i
n
I
1 4 �
`r (
1-2
!?IaniMiz)
Slope.„'4 2 Asphalts ROWN
3 13' "Cam Sto9ase
SICEWALK p ne 2-_O..
10 I
SCALE 5 J
TYPICAL STREET SECTION
2 3- i
S:
G
NATURAL GROUND
3 MIN
—
9�
a+ D" BASE
PIPE I.D.
_ Z
Q
CHANNEL DETAIL
-W-TQ_SCALE
MAIN DRAINAGE ON EASEMENTS TO BE
CONSTRUCTED AS SHOWN
}} f,��r•�= �3kc
2 0'-0"
SWALE DETAIL_
NOT TO SCALE
SIDELINE DRAINAGE TO BE CONSTRUCTED
AS REQUIRED
DIVERSION
TRAPA-WILIAL CRCI tS-SSCTXON
PARAAOL7C CROSS-sscrZom
construction Specifications
1. All true, brush, stumps, obstructions, and other objectionable material shall be
/ removed and disposed of ao me not to interfere with the proper functioning of the
diversion.
1. The diversion shall be excavated or shaped to line, grade, and cross section as required
to matt the criteria specified herein, and be free of irregularities which will
loped& normal flow.
3. Fills shall be compacted as needed to prevent unequal settlement that would cause
damage in the con
oted diversion.
4. All earth removed and not needed in construction shall be spread or disposed of no that
Sit
will not interim"* with the functioning of the diversion.
tabilizat3. vegetative Pm shall be done according to tht appropriate Standard and Specifications for
vegetative Trachea.
A. For design velocities Of less than 3.5 ft. par see-, sending and mulching may be
wad for the establishment of the vegetation. It is recommend*d that, when conditions
Permit. temporary divtraioma or other mean* be used to prevent water from entering
the diversion during the establishment of the vegetation.
A. For design velocities of more then 3.3 ft. per sec., the diversion shall be stabllfsvd
with sod, with *ending protected by jute or excelsior matting or with Needing and
mulching Including temporary diversion of water until the vegetation Is eatxhllNhed.
NOTE: May be used to divert water away from the site, prevent excess runoff
from concentrating over large areas of the site, prevent surface
water runoff over steep slopes, or divert stormwater to sediment basins
or slope drains.
50-0 or 6o'-0"
i
I
2. - J' COARSE
AGQR IE
EXISTING ROAD
R/W \ I I Gf R/*
PROFILE
EMM a
(SEE NOTE)
PLAN VIEW
STABILIZED CONSTRUCTION ENTRANCE (D-5)
NOT TO SCALE
rl irt' K
64a cr IEI
V,, iLr l-•,61' uJFsE AG6REbAfC
✓INLY /VLhTiC fJ Wa-� , F!P F,ti. //r✓.>.
4 0i I,
4-O
a-s „
or I
9-5 2 I 3'-5" 12 1 9°f5
�'—
I i :'2 j
Slope vd I (Plant Mix)
2..Asphalt ,..OPE I e I/4:I
/ I/4' I' I Slop
SIDEWALK a Ie Camp.StoneBase� (27�o R) u/I SIDEWALK
,
!� i
31 -0
SCALE.I'=6-0'
TYPICAL RAISED STREET SECTION
a -PE I D. + 2' 4"
.# 4^-
T
7-1/2 ..
/
/
/4" ,I MF Oi}9D
_ /aA45v5 ML'= a
K � K
I�� LL
/ NI
O ? . q E
• w-��
PIPE I C . I' 0"
GROUT -. �..-------- --�r'8,. 4 ,
NOTE COVER TO BE
2500# CONC. FOOTING— PROVIDED WITH TWO (2) PIPE I + _
LIFTING HANDLES. f�-----
TYPICAL JUNCTION BOX
NOT TO SCALE
FIVE I D . 2. 4„
I
' CFNE'' BROS. INC. 24'x36-
pRCP 'INLET CH-9N -2
v
aP,CK
_ .�_.CNC.GRCU' F!LL
n �V
?SCCaC�NC.FOpT!IvG
a a 2'-0' a- 14'
a'- 0
ETA i I ?ly!1
i✓ � L
T Y ftCA1 r"F^c y _-
/.—ULWLY HHUS. INC. CATCH BA
8' MAX, „
5' MIN '2
7"I
i Y
w
J
m
a B" 2'- 2" / 8"BRICK
ir
i
E., + E,
�I I
4'- 8'
250C # CONC
TYPICAL CURB INLET
NOT TO SCALE .
EROSION CONTROL & ROAD AND DRAINAGE DETAILS
FOR' NORTHWEST
BUSINESS PARK
PROPERTY OF: DEBRA R. RAY
JOHN L. PIERCE R.L.S. JACKSONVILLE N.C.
JACKSONVILLE TOWNSHIP ONSLOW COUNTY

a
I
Y
I
NOTES:
( 1. La IS THE LENGHT OF THE
RIPRAP APRON.
2. d- 1.5 TIMES THE MAX STONE
DIAMETER BUT NOT LESS THAT
4'.
3. IN A WELL-DEFINED CHANNEL
EXTEND THE APRON UP THE
CHANNEL BANKS TO AN
ELEVATION OF 6' ABOVE THE
MAX. TAILWATER DEPTH OR TO
THE TOP OF BANK, WHICHEVER IS
LESS.
4. A FILTER BLANKET OR FILTER
FABRIC SHOUILD BE INSTALLED
BETWEEN THE RIPRAP AND
SOIL FOUNDATION.
RIPRAP OUTLET PROTECTION DETAIL (D-10)
FOR PIPES OR FLUMES/WELL DEFINED CHANNEL
NO SCALE
POND " A" PLAN
SCALE: 1" =20'
'YENCY SPILLWAY
= 47.0'
RISER
44.0
DETAIL)
kTIVE SHELF
DE SLOPE
DE)
5:1 SIDE SLOPES
RAINFALL DESIGN ELEV.
1. = 45.7 (13.440 S.F.)
FANT POND ELEV. - 44.0
00 S.F.)
INV.- 45.2
PROP. CB
TOP-48.8
INV.-45.5
POND A
RATIONAL METHOD ~
Q=CIA
(C-0.84)
(1 = 7)
(A 6.14 AC)
Q 36.10
VELOCITY CALCULATIONS
TRAPEZOIDAL VEGETATIVE FILTER
0.5% SLOPE
6' BASE
2:1 SLOPES
MANNING' S EQUATION
I
V = 1.486 R 2/3 S 1 /2
V = 1.486 (0.9280) 2/3 (0.005) 1 /2
0.030
V = 3.33 (5.0 MAX VELOCITY FOR STIFF CLAY CONDITIONS W/ VE^vEiATION)
POND A
FOREBAY VOL. = 5584 = 30% > 20%
TOTAL STORAGE 18613
POND B
FOREBAY VOL. = 12964 = 24% > 20%
TOTAL STORAGE 54020
NOTE:
THERE ARE NO WETLANDS ON THIS SITE.
46
SS
v
0
e
/
\
I
/
I
/
I
/V
V 4.I
I
/
I
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I II
/
-
BOT'COM E(:EV..39 2 :
I
/
J
/
/ ..... ..
....... .. .......
..:.
r. .. r. .
J
/
..: ...
I
I II
/
FORBAY AREA
/
BOTTiTM )r{:EV:-'36 1
I
/
.
.. :...
-
I
m
�
II
I
z
/
°
4
II
\ \
--- -
- - - - - - -
- - - - - - - - - - - - - - - - -
-43
- - - - - - -- 44 -- - - - - - - -
i
- - - - -
I
Q
45
I II
46
- 47
I II
- 48
�` hk
216.30'
04 O
INV.- 42.8
POND " B"
PLAN
I ��
PROP. CS
TOP-46.5
MTV.-43O
EARTH BERM
-" ELEV. - 14.0' FOREBAY AREA
2:1 SLOP -
POND BOTTOM
ELEV.-39.0
SCALE: 1 " =20'
TRASH RACK WITH
/4 REBP (4. O.C.E.W.)
-ELEV, 40.7 Q YEAR FL
n
ELEV. 44.0
PERMANENT POND
6" PVC PIPE
W/CP - 1.75-
HOLE DRILLED
IN CAPPED END b
(W/HARDWARE EN) 1.5' SEPARATION
CLOT
NOTCH RISER AT ELEV- 46.7
RISER W/ ENCLOSED BOTTOM
3:1 - =117
24" C.M.P.
ANT -FLOAT BLOCK
(40 C1. FT. CONCRETE)
POND " A" CROSS-SECTION DETENTION POND -A' PRINCIPAL SPILLWAY
j NOT TO SCALE NOT TO SCALE
EARTH BERM
ELEV. 42.2' FOREBAY AREA
3:1 SLOPE
3
t 6 (VEG. SHELF _-
1 Pow sursiACE-42.2 - -'
-I. 3 -
-�1
-- --I -
-. ELEV.-38.1
POND BOTTOM - 35.2 -, -
.I
POND " B' CROSS-SECTION
NOT TO SCALE
TRASH RAC( WITH
#4 REBP (4- O.C.E.W.)
0
ri
NOTCH RISER AT ELEV- 44.0
RISER W/ ENCLOSED BOTTOM
- 3:1U(_l =L
42' C.M.P.
6" PVC PIP
W/c P - 3- _/' -i -III I I I=T_ 71
HOLE DRILLED -I I In 1-! I 1=11 EEW_= I- 1=
IN CAPPED END 'o �-i. - -11
(W/HARDWARE n 1.5' SEPARATION ANTI -FLOAT BLOC(
CLOTH SCREEN) - III= ='' (40 W. FT. CONCRETE)
ELEV 352I�-
Ill Llil
DETENTION POND "B" PRINCIPAL SPILLWAY
NOT TO SCALE
DITCH INV. = 41.0
INV. - 42.1
INTERFERENCE \\
MANHOLE
DUST. M.H.
TOP . 47.22
W. - 42.87
48" RISER\
INV.-42.2
(SEE DETAIL) \ \
EMERGENCY SPILLWAY
ELEV. - 47.0'
VEGETATIVE SHELF
6:1 SIDE SLOPE
(6' WIDE)
3:1 SIDE SLOPES
1" RAINFALL DESIGN ELEV.
ELEV. - 44.0 (33,124 S.F.)
CONSTANT POND ELEV. = 42.2
(27,200 S.F.)
I
TO OUTFALL DITCH
INV. ELEV.- 44.0'
TO OUTFALL DITCH
INV. ELEV.- 42.Z
STORMWATER DETAILS
FOR
NORTHWEST BUSINESS PARK
JACKSONVILLE TOWNSHIP, ONSLOW COUNTY, NC
PREPARED BY
JOHN L. PIERCE - SURVEYING
409 JOHNSON BLVD. JACKSONVILLE, NC 28540
PHONE: [phone] DATE: MAY 1, 1997
SCALE: AS NOTED
JOB #972824 FILE NAME: NWBPOND
SHEET 10 OF 10
REVISED: 6/03/97