SW7070221_APPROVED PLANS_20071113

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW() 7(f�
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATEz<��l
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WATER, SEWER AND ROADWAY UT � L � TY PLANS
TOWN OF WINFALL
PERQUIMANS COUNTY, NORTH CAROLINA
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CONSTRUCTION SEQUENCE
1. OBTAIN PLAN APPROVAL AND ALL REQUIRED PERMITS.
2. CONSTRUCTION WILL BE SEQUENCED SO THAT GRADING OPERATIONS CAN BEGIN AND END
AS QUICKLY AS POSSIBLE.
3. HOLD PRECONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CONSTRUCTION TO
IDENTIFY AND CLARIFY SEDIMENTATION AND EROSION CONTROL REQUIREMENTS AND/OR SPECIAL
CONSIDERATIONS.
4. INSTALL GRAVEL CONSTRUCTION ENTRANCE, ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO
BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING.
5. CLEAR AND ROUGH GRADE ROADWAY AND SEDIMENT BASIN. ESTABLISH STOCKPILE AREA AS SHOWN ON
PLANS. STOCKPILE SLOPE MUST BE KEPT TO A MAXIMUM STEEPNESS OF 3:1.
6. INSTALL TEMPORARY OR PERMANENT VEGETATIVE COVER AS DICTATED BY SEASONAL CONSTRAINTS.
MONITOR GROWTH OF VEGETATION AND PERFORM MAINTENANCE PROCEDURES AS REQUIRED TO MAINTAIN
GROWTH.
7. INSTALL SEDIMENT BASIN, PRINCIPAL SPILLWAY, AND RISER PIPE.
8. INSTALL STORMWATER SYSTEM AND INLET CONTROL DEVICES.
9. INSTALL GRAVITY SANITARY SEWER SYSTEM, WATERLINE AND APPURTENANCES.
10. CONSTRUCT ROADWAY AND GUTTERS, COMPLETE DRY DETENTION BASIN AND OVERFLOW STRUCTURE.
ANY SIDE SLOPES STEEPER THAN 3:1 REQUIRE THE ADDITION OF "X—CELSIOR" EROSION CONTROL
BLANKET.
11. ESTABLISH A GROUNDCOVER (TEMPORARY OR PERMANENT) ON EXPOSED SLOPES WITHIN 21 CALENDAR
DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING; AND A PERMANENT GROUND COVER FOR
ALL DISTURBED AREAS WITHIN 15 WORKING DAYS OR 90 CALENDAR DAYS, (WHICHEVER IS SHORTER),
FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
12. ALL EROSION AND SEDIMENT CONTROLS SHALL BE INSPE:TED WEEKLY AND AFTER EACH RUNOFF
PRODUCING EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE
EROSION CONTROL DEVICES SHALL BE MADE IMMEDIATELY.
13. CONVERT THE SEDIMENT BASIN INTO THE PERMANENT EXTEVDED DETENTION WETLAND AFTER ALL AREAS
DRAINING TO THE WETLAND HAVE BEEN PERMANENTLY STAEILIZED AND THE ENGINEER HAS APPROVED OF
THE CONVERSION.
14. REMOVE EXCESS ACCUMULATED SEDIMENT, IF ANY, ABOVE THE DESIGNED POND BOTTOM SHOWN IN THE
PLAN AND DISPOSE SEDIMENT AT A LOCATION APPROVED EY THE ENGINEER.
15. AFTER SITE IS STABILIZED, REMOVE ALL TEMPORARY MEASURES AND INSTALL PERMANENT VEGETATION ON
THE DISTURBED AREAS.
TEMPORARY SEEDING: APPLY RYE GRAIN AT THE RATE OF 120 LBS./AC.
FERTILIZE WITH 2,000 LBS./AC. GROUND AGRICULTURAL LIMESTONE AND 750 LBS./AC. 10-10-10 FERTILIZER.
MULCH WITH 4,000 LBS./AC. ANCHORED STRAW.
REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING
EROSION OR OTHER DAMAGE.
SEEDING DATES DEC. 1—APR. 15
PERMANENT SEEDING: APPLY 80 LBS./AC. TALL FESCUE, 50 L3S./AC. PENSACOLA BAHIAGRASS, 30 LBS./AC. KOBE LESPEDEZA.
FERTILIZE WITH 4,000 LBS./AC. GROUNE AGRICULTURAL LIMESTONE AND 1,000 LBS./AC. 10-10-10 FERTILIZER.
MULCH WITH 4,000 LBS./AC. ANCHORED STRAW. IF GROWTH IS INADEQUATE, TOPDRESS THE SECOND YEAR
WITH 500 LBS./AC. 10-10-10 FERTILIZER, RESEED, FERTILIZE AND MULCH DAMAGED AREAS IMMEDIATELY,
SEEDING DATES: SPRING— FEB. 15— APF. 30, FALL= SEP, 1 — OCT 31
NURSE PLANTS: BETWEEN APR. 15 AND AUG. 15, ADD 10 LBS./AC. GERMAN MILLET OR 15 LBS./AC. SUDANGRASS.
PRIOR TO MAY 1 OR AFTER AUG. 15, AID 25 LBS./AC RYE GRAIN.
SITE STATISTICS
DEVELOPER:
NIXON, NIXON, WHITEHURST
119 MILL STREET
ELIZABETH CITY, NC 27909
AREA BY COORDINATE METHOD
TOTAL SITE AREA
EXISTING WETLANDS AREA
WETLANDS AREA DISTURBED
PROPOSED IMPERVIOUS AREA
TOTAL # LOTS
AREA OF THE SMALLEST LOT:
TOTAL OPEN SPACE:
LINEAR FOOTAGE OF
PROPOSED STREETS:
12.98 AC
0.42 AC
0 AC
2.77 AC
35 + OPEN SPACE
7,020 SQ. FT. / 0.16 ACRES
264,406 SQ. FT. / 6.07 ACRES
1,828 LF
404 WETLANDS TAKEN FROM A DELINEATION MAP PREPARED BY PAUL J. TOTI .
SURVEYING. DATED JANUARY 15, 2007.
A 10' DRAINAGE AND UTILITY EASEMENT RUNS CENTERED ALONG ALL SIDE
�f�/ ;+
AND INTERIOR LOT LINES. A 20' UTILITY / DRAINAGE EASEMENT RUNS ALONG
it4ti�ti
ALL FRONT AND EXTERIOR LOT LINES.
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MINIMUM SETBACKS, UNLESS OTHERWISE SHOWN:
FRONT — 25 FEET
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SIDE — 8 FEET
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REAR — 20 FEET
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CORNER — 20 FEET
PROPERTY IS LOCATED IN A F.I.R.M. ZONE "AE(6)" AND "X" ACCORDING TO MAP
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NUMBER 3720794000J CID# 370345, PANEL 7940 DATED OCTOBER 5, 2004.
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THIS PROPERTY IS SUBJECT TO ANY EASEMENTS THAT A MORE THOROUGH TITLE
c1 �
SEARCH MAY UNCOVER.
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ALL CORNERS WILL BE MARKED WITH 5j'8" IRON REBAR.
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DRAWING INDEX
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SHEET NUMBER DESCRIPTION
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SHEET 1 COVER SHEET
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SHEET 2 EXISTING CONDITIONS PLAN
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SHEET 3 GRADING AND DRAINAGE PLAN
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SHEET 4 GRADING AND DRAINAGE PLAN
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SHEET 5 EROSION AND SEDIMENT CONTROL PLAN
SHEET 6 EROSION AND SEDIMENT CONTROL PLAN
SHEET 7 SITE LAYOUT AND UTILITIES PLAN
SHEET 8 SITE LAYOUT AND UTILITIES PLAN
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SHEET 9 UTILITY DETAILS
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SHEET 10 E&S AND STORMWATER DETAILS
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SHEET 11 CONSTRUCTION DETAILS
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SHEET 12 LANDSCAPE PLAN
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SHEET 13 WATERLINE PROFILE
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SHEET 14 PAVEMENT MARKING PLAN
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LEGEND
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- EXISTING SPOT ELEVATIONS ��f,�j
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s.s - PROPOSED FINISH GRADE
to
- PROPOSED FLOW DIRECTION ARROW APPROVED
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- PROPOSED HYDRANT ASSEMBLY NORTH CAROLINAENVIRONME
5"Y� MANAGEMENT COMMISSt
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— PROPOSED GATE VALVE DIVISION VIA RQUALI
— PROPOSED WATER SERVICE
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o — PROPOSED SIMPLEX SEWER SERVICE
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�o — PROPOSED DUPLEX SEWER SERVICE StormwaterPermitNo.S'Wj7a
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- EXISTING SWALE OR DITCH
— EXISTING POWER POLE
PROJECT NO.:
206071.01
SHEET:
10F 14
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NOTE:
CONTRACTOR SHALL NOT ENTER NOR
DISTURB WETLANDS DURING ANYTIME OF -
CONSTRUCTION ACTIVITY.
- EXISTING TRAPEZOIDAL
CURB DROP INLET ON GRADE
( ) - A2 �O Al 135' 30" RCP ` - u° _ - - = DRAINAGE CHANNEL - -
RIM = 12.80 AT 0.15%SLOPE -71
A3 INV. IN = 5.44 NIF
INV._OUT = 5.44 A3 TO A2 115' 15" RC' HOWARD WAYNE HURDLE
AT 0.20% SLOPE D.B.
-PG. 746
A4 TO A3.146' 15" RCP
CURB DROP INLET (LOW POINT) S 0; 033'�
RIM = 12.70 AT 0.20% SLOPECSS U (77ELI,YL) b"-003?-0104
LL
A2 INV. IN = 5.20 B14 TO A2 56' 30" RCP �y ^�1 :a 183.Oo = a
INV. OUT = 5.20 0 ► S"o8 _-_� _-_�
To ER'S IIANS _ AT 0.18 /o SLOPE ��838" 1f� S Oft°27'3h"E 4 RIVER _ �
CURB DROP INLET (SAG) B13 TO B14 91' 30" RCP CONTROL STRUCTURE s .02' - -- - -
-- ----
RIM = 12.20 AT 0.18% SLOPE o SEE DETAILS SHEET 10 15.00 158.82 - - - - -
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B 1 1 INV. OUT = 5.76 TOP 7.5, INV. 4.40 24" DEEP CLASS Al RIP
B12 TO B13 28' 30" RCP �g �` �3 RAP ON FILTER FABRIC
AT 0.20% SLOPE LIMITS,0F CONSTRUCTION/ _ FL00 - ��"' � � N � rpOs
CURB DROP INLET (ON GRADE) DISTURBANCE 201E „ ,,;�° v 404 WETLANDS
RIM = 1220 B10 TO B12 113' 30" RCP - _. '�LOpD2p 4E(6�
„ -
AT 0.18% SLOPE 1��' )i INSTALL OUTFACE PIP
B 10 INV. IN (11) = 5.71 i�OOD 5����� �1 FINE GRADE, MULCH, &
Z X 1 -SE€fl GROUND ABOVE d
INV. IN (8)_ 5.71 i . ' ,n - we alI
B11 TOB1028`15"RCP `3 �`" f� 10-s PvcPIPETo ' INV. OUT ' 5.71 AT 0.18% SLOPE, 5 ti. - --___ _ _ - EXISTING
-PIPE FES
�"�4■ CONTROLSTRUCTURE�liN INU.4.2�
B8 TO B10 161' 30" RCP '�. , SEE DETAIL SHEETIU 11Q. ' TO EMAINOODS E EMERGENCY
' 0II
CURB DROP INLET ON GRADE ' o _� =T - `till OVERFLOW - - x °` - �qa
( ) AT Q.18 /o SLOPE _ �- _ _ I
-- �
RIM = 11.75
L --
ro_./� �� - it `, FG \,. f e � C� �j
B 12 INV. IN = 5.51 i $� ��.�
INV. OUT = 5.51
CURB DROP INLET (ON GRADE) -
OPOSED
RIM =11.75S M Fo-
B13 INV. IN = 5.46,
INV. OUT = 5.46 �F CILITY
CURB DROP INLET (ON GRADE) I LIMITS,OF GQNSTDISTURBANCE
RUCTION/
RIM =12.90
B14 INV. IN = 5.30 e t -
NIF
INV. OUT = 5.30 ,o. FEs , ` �, --- - PERQUIMANS COUNTY .
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4 `. D.B. 186, PG. ,5-
CS
FG - - FG _ - - = D.B. 187, PG, 219
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PROPERTY LINE IS c
LIMIT OF CONSTRUCTION/ - v 5-0032-0130A
DISTURBANCE
" FILL REQUIRED r w-
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FG
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€e 11.7 -16 w�,F ea LIMITS OF
F x CLEARING
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vi19 .'9 Er.. _ 19.1 \ / w e • -- -� es FG
ONEITA HOLLOWELL �' I �\ f ./ B1ti
D.B. 108, PG. 572
5-D032-0184A-W
NOTE:
ALL WORK SHALL BE PERFORMED
WITHIN LIMITS OF PROPERTY LINES.
SEE DETAIL SHEET 10
GRAPHIC SCALE
30 60
( IN FEET)
1 inch = 30 ft.
MATCHLINE SHEET 4
13�+WL C/ ECG a0.4
11.75
03� TP Cif°(1'13"E��
12.9 ---• B12 �� FG i
``34.9�r; TC s » x
�� TO 11.83 ��\ \ \ g \\'. 123 as-=si
i ) WN FG
II �, 11.98
��
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11.9 ER �` / ; 12.20 (LP)
� �� ♦ �
11,99. \ // sri�x� \/ �� Ile30
I FG
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d TO, 0ANEs VA FG
i l PG FG a 0 r� AA\ ; 12.5
II + 12.6 _ 12.9 n.�h„art V
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_ - II 6y? � ,AA � � .� _ vran�Res
-
DISTURBANCE
FG ^1 \VA
24 \ FG
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12.6 11,0
FG FG �ecx fl aAVA
II _ o, JFG
s i31 124 126 AA �3"f
O - n\\\\ $+ FG ✓S 1t� 20 .` SIDE I SLOPES ITO BE 3:1
II
I I 619 , REs FG 126
\\ $ s 12.3
VA FILL AS NEEDED TO
I I " - �` A - ESTABLISH ITCH
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PROJECT NO.:
206071.01
SHEET:
3OF14

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PI-� z3 ;z1 � o '� ,, � z� MATCHLINE SHEET 3
110
FG , -;rsF B$ � N s
- I4.
11.90� nza,icxss �
- --
TP
_ M A4 CY. GRASS SWALE / \ � 5 5 . FG
-- - --
-- - - - 3 2 ` _ Sr-- @ .70% A V , `.12.54 11.00-
F6 - 125.00' FG 10
-- - \
12.4
00
12.6
a
-- - - - -- INV. TP o -/� FG
' 10.8 I I 12.25 LP r - i . N / ��' 12.50 ,, o FG
y`' I I \` / / � - 13- :; 9 0 '` \ 12.50 21 , Oy
n°���o
M 4 (i l FG i'�
so 26
-n S ' A
a �� r : F�l FG / YARD DRAIN
11
°c" y xaaees f 13.2¢ Y� / RIM = 11.50 osSF
FG `` .� VV - AA o 0 o FG r F
33 9 x� ?�� �� vvv o ♦ 12.50� 1049 .0
111 13.25 \�
�' 14 TP
FG
3.1 ;, N01040'13"T1' S 13.00 \ ri
I N j,°,61 \� G_EiCR•4 ` ,�, 22 <p
6 ,80.00,
FG o x TC 13.15 °�,� �v FGosr
FL 12.82 h 12.00 12.50 \\ \ `s rtoRprs
INV. 13.07 EP 12.9411.0
PROPERTY LINE IS \
LIMITS OF CONSTRUCTION \' \ �1 34 t \\\ a T ^-� i
DISTURBANCE .-� _ 12.90 0 0p-
25 \ 2 PEE
s41
2 au> sr 35 o AVA �v � RAIN
NOTE: �+ \ s c ° o \\ EA5E S �� ty 12.0
6T (TYP 1
ALL WORK SHALL BE C FG c rr,u-7
" sF x J. +c:'s B I '
i - Gc. k �iri �
PERFORMED WITHIN LIMITS' `� 13.49
�s 23
o OF PROPERTY LINES. SEE - - - -- - -- - - - It '? FG 0 r ,\
DETAIL SHEET 10 `9 �w : - - - _ _ -- -5 R II ax ' 13.0, r
8 �� FG I I �\ >= n /J scxas `
x TP
c
FG I
�♦ � 13.40 Zs 13.25
70.30'
A5 TO A4 28' 15" RCP
AT 0.29% SLOPE
YD TO B8 142' 24" RCP
AT 0.20% SLOPE
B7 TO B8 178' 18" RCP
AT 1.33% SLOPE
B7 TO B5 47' 18" RCP
AT 0.25% SLOPE
B5 TO B4 43' 14" x 23" RECP
AT 0.27% SLOPE
B4 TO B3 47' 18" RCP
AT 0.32% SLOPE
B3 TO B2 88' 18" RCP
AT 0.25% SLOPE
B2 TO B1 28' 15" RCP
AT 0.29% SLOPE
.RTY LINE IS
OF CONSTRUCTION
_ B5 III. � ��, ,
FG » �� 1 �.85' \`01 O'13Tii' <°5 r1� L s fi v`
13.29 ( ?6 KO , w w �� LP s\- w FG . - - - t �;� a v A
= 51�
TP
I I 12.80\� 12.8 S' �I l� 57
FG x
12.99 29+00 11.5 v
L
FG �+ 26+50 27007- 27+50 1 I 28+00 28+50 11 LO% RIM TC 13.30
12.92 hip FG - �" " 0.20R I 13.30 FL 12.97, 24 e i
5 13 32 EP 13.09
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-- -. w -w-wt°`C'3'rE'w M w -w w .Srw w -w w L'�w -w-4-v v. t.i!i SF'
-- ---- - FG .r.acxas
10' DRAINAGE EASEMENT -- -- -_ - ---- --- - -- -- ��� I� `
V, 5' EACH SIDE. (TYP.) _ C4 50.55' 80.0W 60.00' ��� � �� w N 12.50 �
FG FG 2
// FG B4 I -
S 7 - -- 13.10 - 12.94 -- - - 5 R \\\\ �+ ---- FG
\ 13 25- I -
Q , � U - - -- - 11 0
w �
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r , bah NOTE: II
r- ALL WORK.jSHALL BE v II
PERFORMED WITHIN LIMITS a �' It
OF PROP9RTY LINES. SEE ��� 3It
DETAIL SHEET 10 J\ \ r, 4 2 ' It
b �. oj, �' a 463-SF EP
FG ? 6 N a 1 0 �.���F, 12.7711
► a ssST II
_ 12.92 �' _ a(::zes .,i, TP 11
PROPOSED GRASSED 33.aca s ? �,sr 12.98
It
SWALE @ 0.1 % cuF 11
11.2
II
INV \ ----- --- - >' --- --- - -- t' till
- -
-- y FG FG
y
FLOW -_ -- - 11.95 13.23
-- -- _ _- - INV. 80.00, 74.45' -- - -
_ .... -_.-. __.. -...-. FLOW 11.5-
- - - - h -- 154.45 s Aj 01 °4073„ �. r
�... -...- o-..._-_.-._-...
84.74' a 160.20' N 00048'14" G` f-
- >�
ti n a.>3 sr FG
175.00'000' ($ l ' 13.00
v Y a y orr,Vnr� p �x
LL �, ; ' L)
PROPERTY LINE IS a
iVO rh 011t 3aCX1'
LIMITS OF CONSTRUCTION
b DISTURBANCE Fn FG „C '
CURB DROP INLET (LOW POINT)
RIM = 12.98
B � INV. IN. = 9.06
TIKIS
1
INV. OUT = 9.06
CURB DROP INLET (LOW POINT)
RIM = 12.98
B2 INV. IN = 8.98
INV. OUT = 8.98
CURB DROP INLET
RIM = 13.30
B3 INV. IN = 8.76
INV. OUT = 8.76
CURB DROP INLET
RIM = 12.80
B4 INV. IN = 8.58
INV. OUT = 8.58
CURB DROP INLET
A
RIM = 12.53
INV. IN = 8.52
INV OUT = 8 52
GRATE INLET
RIM =11.50
YD INV. OUT = 6.29 ,�V
134.69'
s s
.49 124 lit
1-27.57r - v rr Gr3'�0 W a\
N� a EXISTING DITCH "\
o ry TO REMAIN
TRANSITION FROM ROLL CURBING
TO STANDARD 6" CURBING ONE FULL
' JOINT (10') BOTH SIDES (TYP.)
I'
I B1
>
v(
I PROPERTY LINE IS
(i LIMITS OF CONSTRUCTION
TP
ANTHONY WOOLARD o �'
CURB DROP INLET CURB DROP INLET (SAG) D.B. 201, PG. 534 _ N/F
RIM = 12.90 A8 RIM = 12.25 5-DO32-0106-6' ". w
B7 INV. IN B5 = 8.37 INV. OUT = 5.98 4 ? '`� �� MENARD P. MERANT
( ) D.B. 276 PG. 476
INV. OUT = 8.37
M
� n °s" 5-DO32-0107-W
CURB DROP INLET (SAG) 3Y 'CRES
CURB DROP INLET RIM = 12.25 FG 9'
RIM = 12.55 A4 INV. IN = 5.91 ' c 13.74 FG
B8 INV. IN B7 = 6.00 - - --- - 13.37
( ) - INV. OUT = 5.91 --
INV. IN (B9) = 6.00 s-- s-- a�
a
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INV. IN (YD) = 6.00 I 124.2i' R701°40'13" IT �\ o
INV. OUT = 6.00
OPEj SP.4CF, If > 3
o TC HIGH PT 13.41 ~ITP , ai' TC HIGH PT 13.41
5,9`3 SF FL 13.08 f13.41 FL 13,08
,\ gl
0.14 ACRES EP = 13.2Q � EP = 13.20
r =
S'- iy t
o, 4a �. Q`.t �1 , �.� 3': 1 ,r` �� _ ea \' INV. 10.05
e
C 2.2
_ _ _ . -_ .-.f
Y
A,
RIM
E_P_13.17 ° 0
INV `
10.14 r
GRAPHIC SCALE -_
---- --
a +0Q13.10 k
1L C. HIGHWA Y 3 7 ( - - - - -- _ -
( 0 R1 p � s
o ao so izo sw - INSTALL 15" RCP AT DITCH BOTTOM
INVERT OF PIPE TO MATCH '
t \ .
- - - - - - - -- -INVERT OF DITCH -- - \ - - - -- -
( IN FEET)-
1 inch = 30 ft. _"" \ - - r --- - - ` - - --- - -- ----
NiF
QUIMANS COL
D.B. 186, PG. 57
D.B. 187, PG. 219
P.C. 2, ,ST. 67, P. 8
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PROJECT NO.:
206071.01
SHEET:
40F14

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NOTE:
SEE SHEET 6 OF 10 FOR
LOCATION OF GRAVEL
CONSTRUCTION ENTRANCE
6" MIN.
SIDE ELEVATION
EXISTING
GROUND
COURSE AGGREGATE
*MUST EXTEND FULL WIDTH PLAN VIEW
OF INGRESS & EGRESS
I 12'-0" MIN.*
EXISTING
PAVEMENT
3" MIN.
3" MIN.
CE CONSTRUNCTIOT TO SON ENTRANCE
,�•f/
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2-10 ACRES OF DRAINAGE AREA:
6"
O O O
3'
FILTER CLOTH
(OPTIONAL)
(DOWNSTREAM VIEW)
VDOT #1
COARSE AGGREGATE
F QW 7 3•
O o
PLATE 3 20-1 CLASS I RIPRAP
SOURCE: VA. DSWC
ROCK DAM
NOT TO SCALE
FINISHED GRADE
ELEV.=9.0
EXISTING GRADE -\
INV. = 4.2
88 L.F. OF 36" CMP
FINISHED GRADE
ELEV.=9.5
FLOW FLOW
PERSPECTIVE VIEW
ALL FENCE
POSTS TO BE METAL
4'y,l I POST SECTION MINIMUM
If 20' ABOVE GROUND
FLOW
UNDISTURBED
GROUND
EMBED GEOTEXIILE FABRIC A MIN.
OF li VERTICAL INTO THE GROUND FENCE POST DRIVEN MINIMUM
OF 16" IN THE GROUND
CROSS SECTION VIEW
NOTE: SEDIMENT FENCE NOT REWIRED UNLESS LAND
DISTURBANCE OCCURS WITHIN 10' OF EXISTING DITCHES
OR CANALS (SEE SHEET 6 OF 9)
SF SEDIMENT FENCE DETAIL
HOT TO SCALE
4'-0-
2.5'
2.5' 4.-0"
TOP VIEW
NOT TO SCALE
Imo- ¢' 0" TOP OF RISER
ELEV. = 7.0
15' DIA. ORIFICE
2.0"0 LOW FLOW
ORIFICE ELEV.=4.5
FL
FRONT ELEVATION
NOT TO SCALE
RISER DETAIL
TOP OF RISER
ELEV. = 7.0
WATER QUALITY VOLUME
2' WEIR_ __-
INV. VARIES
RISER 15" DIA_ORIFICE 6" PVC PIPE
2.0 "ICI LOW FLOW
ORIFICE INV. = 4.5
ANTI -SEEP SEE PLUNGE POOL
COLLAR DETAIL THIS SHEET
WIDTH VARIES
SECTION A -A) STORMWATER POND CROSS SECTION
Y
? vealrc Y
SWALE CROSS- SECTION-C
DESIGN HIGH WATER= 8.01
(10-YR. STORM ELEV)
2.5' X 2.5'
�y C7 GRATE INLET
MIN. 0.5' MIN. 1.0'
4013 C.F./ AC.
(3600 REQ'D)
" DRY ` STORAGE
3605 C.F./ AC.
(3600 REQ'D)
"WET " STORAGE
TOE OF SLOPE
ELEV= 4.40
SEDIMENT CLEANOUT POINT
ELEV.= 5.20
4"X4" CONCRETE RISER
6' X 6"
CONCRETE FOUNDATION
10'
TOP OF DAM
ELEV= 10.0
RISER CREST= 7.0 1
DEWATERING ELEV= 5.80
DEVICE ORIFICE DIA.= 4"
TUBING DIA.= 6"
as 1 r nr za" ruo
JOINT BETWEEN PVC RISER &
PVC BARREL TO BE WATERTIGHT
SEDIMENT BASIN (SB)
NOT TO SCALE
ADJACENT PROPERTY I NIXONS TERRACE
EXISTING GRADE EXISTING TO REMAIN
UNDISTURBED �I TOP OF BANK
cow
0IJ
a
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EXISTING GRADE
TO REMAIN -
1 3
SWALE TO BE
PERMANENTLY SEEDED
WITH TALL FESCUE
12'-0"
GRASSED SWALE CROSS -SECTION -A
NOT TO SCALE
0:1
a
�I FINISHED GRADE
ELEV.=10.0
If
MICRO -POOL
NOT TO SCALE
�1
3
EROSION AND SEDIMENT CONTROL
1. Permanent or temporary soil stabilization shall be applied to denuded areas
within seven (7) days after final grade is reached on any portion of the site.
2. Temporary soil stabilization shall be applied within seven (7) days to denuded
areas that may not be at final grade but will remain dormant for longer than thirty (30) days.
3. During construction of the project, soil stock piles shall be stabilized or protected
with sediment trapping measures.
4. Stabilization measures shall be applied to earthen structures such as dams, dikes,
and diversions immediately after installation.
5. Erosion and sediment control devices shall be constructed and installed as a first
step in any land disturbing activity and shall be made functional before upslope land
disturbance takes place.
6. A permanent vegetative cover shall be established on denoted areas not otherwise
permanently stabilized. Permanent vegetation shall not be considered established
until ground cover is achieved that, in the opinion of the county engineer or his designated
agent, is uniform, mature enough to survive and will inhibit erosion.
7. Underground utility lines shall be installed in accordance With the following standards,
in addition to other applicable criteria:
a) No more than 500 linear feet of trench may be opened at one time.
b) Excavated material shall be placed on the uphill side of trenches.
c) Effluent from dewatering operations shall be filtered or passed through an
approved sediment trapping device, or both, and discharged in a manner that
does not adversely affect flowing streams or off -site property.
d) Restabilization shall be in accordance with the above notes.
8. All applicable Federal, State and local regulations pertaining to working in or
crossing a live watercourse shall be meL
9. Where construction vehicle access routes intersect paved public roads, provisions
shall be made to minimize the transport of sediment by tracking onto the paved surface.
Where sediment is transported onto a public road surface, the road shall be cleaned
thoroughly at the end of each day. Sediment shall be removed from the roads by shoveling
or sweeping and transported to a disposal area.
10. It shall be the owner's responsibility to inspect erosion control devices periodically and after
every erodible rainfall. Any necessary repairs or dean up to maintain the effectiveness of the
erosion control devices shall be made immediately.
11. Additional erosion control devices may be required by the county engineer or his designated
agent if deemed necessary.
12. All erosion control devices shall be in place and functional at all times and if removed for
construction progress, shall be replaced by the close of each workday.
13. Final removal of erosion control devices shall not occur until the county engineer or his
designated agent deems the site stabilized.
14. Permanent seeding is to be in accordance With the accompanying seeding schedule.
15. All erosion and sediment control items shall be in accordance with the latest edition of the
Erosion and Sediment Control Planning and Design Manual by the North Carolina
Department of Environmental, Health and Natural Resources.
16. It shall be the developer's responsibility to inspect all erosion control devices periodically
and after every erodible rainfall. Any necessary repairs or cleanup to maintain the effectiveness
of the erosion control devices shall be made immediately.
17. No disturbed area will be denoted for more than 30 calendar days.
18. All erosion and siltation measures are to be placed prior to or as the first step in grading.
19. All storm and sanitary sewer lines not in streets are to be mulched and seeded within 15 days
after backfrll. No more than 5DO feet are to be open at one time.
20. Electric power, telephone, and gas supply trenches are to be compacted,
seeded and mulched Within 15 days after backfill.
21. All temporary earth berms, diversions and silt dams are to be mulched and seeded for vegetative cover
within 10 days after grading. Straw or hay mulched is required. The same applies to all soil stockpiles.
22. During construction, all storm sewer inlets will be protected by silt traps, maintained and modified
as required by Construction progress.
NIXONS TERRACE
ADJACENT PROPERTY
LIMITS OF I
DISTURBANCE
TOP OF BANK PERMANENT
SEEDING
EXISTING GRADE
TO �REMAIN-
Iw UNDISTURBED
PROPOSED wa ?
GRADE 00l-�
a
EXISTING��� SCOPE I
GRADE
TOP OF BANK
PROPERTY LINE DITCH CROSS-SECTION-B
NOT TO SCALE
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PROJECT NO.:
206071.01
SHEET:
10 OF 14

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SET BY THE U.S.D.A. STANDARD FOR NURSERY STOCK SPONSORED 1 T- r,TjA D n WA TJ]� T jam' HURDLE
jT T Z? 71 T E
RV THE AMFRICAN ASSCICIATION CIF NI IRSFRYMFN- INC_ WASHINGTON. D.C.
11 i'i` 11LJ i'Y 11 V11 11 CJ111JL
5. ANNLY b GKAM A95AI t AQUA IL; IAtiS ZU-1U 9, yU UAY S ®� 41 ti QUANTITY SPECIES
CONTINOUS FEEDING OR APPROVED EQUAL FOR HERBACEOUS °O(S"38 / l N `
PLANT SPECIES. 567 (PC) PONTEDERIACORDATA (PICKERELWEED)
CONTROL STRUCTURE —
6. APPLY AGRIFORM 20-10-5 PLUS MINORS, 2 YEAR SLOW RELEASE i5.00 � ., �"�'` sst (PV) PELTANDRAVIRGNICA (ARROW ARUM)
FOR TREES AND SHRUBS OR APPROVED EQUAL. SEE DETAILS SHEET 10 I58.82'
TOP 7.5, INV. 4.40 _ , - 24" DEEP CLASS Al RIP
7. ALL WETLAND PLANTS SHALL BE CONTAINER GROWN AND SUPPLIED ���` 463 (ST) SCHOENOPLECTUS TABERNAEMONANI (SOFTSTEM BULRUSH)
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NURSERY. RAP ON FILTER FABRIC
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FROM REPUTABLE
LIMITS -OF CONSTRGdf` N/
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140 (HM) HIBISCUS MOSCHEUTUS (ROSE MALLOW)
710 (AI) ASCLEPIES INCAMATA (SWAMP MILKWEED)
INSTALL OUTFALL PI 586 (ZM)ZIZANLOPSISMILICEA (WATER MILLET)
I1 - FINE GRADE, MULCH, &
SEED GROUND ABOVE �� -- _
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EMERGENCY
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503
(CJ) CLADIUM JAMAICENSE (SAWGRASS)
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OVERFLOW
655
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PROJECT NO.:
206071.01
SHEET:
12OF14