SW8000408_Approved Plans_20160329

.,.• Via..' - a j
m
XN
K
I N
0
,_ ;. sir• k z
MAP
ss
z
-.. N.T.S.
PHASE j
,.T 0 3
r, ,.4: ?,,,: :. a
P v o
t
INVERT ,4ELEV.. I S.HEDULE �, _
' s< z
w:
o Z u
4i"
.<'
_INLET: NORTH SOUTI� EA�T _... . :.: v - t -' ,.,/tom'� _ Q K 3
t Uj
f ,
,. = .,. ,. e . .. .... � �, : •: .� NAME INV. INV. NV �NVT � � J Z
Uj
r- z
+. D1 o��, a 3 a wa
DELETb
r
,t
, D12 0.58 1 .08
/ �oLO to
-
4��
Ln
dto M -M0D12A 1.14 1.14
N N \N,cc -DELETED co
Nk: 9 co
- 0.53D10 0.53 2.75
p4. N
D111 10
`'6 ( D112 DELETED - �' a, w te o � ac
- ���, SITE � � i
Z a
/ \ D113 0.64 1.14 _ az � �' °N' �
' Via.DRMAGE / \ D 114 1 _�5 1 .25 ��,p Rps O�EE� c3 m c IN`�'
\ D115 1 .35 1 .35
EXIST. GRADE �� ePRNP crsmM
APPROX. 6.0 \ / L� _ (3 a C�
/ D116 1.52 1.52 _P � N 2 E rl
EXIST. GRADE \ / f m
�1 PKX. 4.0 \ / \ D 11 7 3.41 1 .9 1 v C
E
1 I k \ G� � ` D119 8.69 2.13 M W
4 WALNUT \ do e �P
D 120 9.10 9.10 Z
9.60
-C.O.D. LINE FLAG 11. TR C. S� / o ` I
WETLAND '. N.H. CO. 1 D. '� o(/ t IY W
LINE BY N / B Cp
APPROX. EL. 4.0`, " 0 --'�"�X -1� ST. GRADE W
TREE PROTECTION " ` P, MAP 1a PLWC YARD ,� XI. ---� �.so\ / DUMPSTER %PG 2 A � � Z
EXTEND To TREE 8 r1.a , PAD / 00 •• CI z
DRIPLINE Q '3"` PI E OYNE� 1 ["'! f E
SILT FENCE 12" PI 2" NE LAWN 8.60 / LIMIT OF DISTURBANCE
I �_ 112" IN ,� AREA cm ` t INLET PROTECTION
J t I vNH
%+ 11.4 9.75
14' IN TOP
12 IN I ! i
15 PINS 3 PINE 1 BRING ' EIQSTRI(;16 WAWX
EASDr�IiT ! I . ,
LIMIT OF PER OIMI 1 CLUBHOUSE 00 / s s TEMPORARY ASPHALT CONSTRUCTION
DISTURBANCE � 14" OAK 1 SUBGRADE X 9.00 PAVEMENT - SEE I I TO 11.8 AND A .9
TEMP. ( 8.30 FE 6. 7 m T GRADE 20 Exlsr ENTRANCE
y STABILIZE � I I
BEGIN 14" PIN TURN - AROUND 1 0 TOP APPR01-- A_ ASPHALT PAVEMENT. rLORIVE
SILT FENCE 1 11.8 � OD .20 J I : , •r
TREE PROTECTION i z
" OAK p K DURING CONSTR. 1 � '� 7.60 � DETAIL EASEMENT •` `.
FOR TRUCKS � INLET PROTECTION '•<• �•- --
EXTEND TO TREE '2 1Q0 WITH BOAT 11.st x 1 6.20 3i y;
rt s
DRIPLINE � T'RAIL.ERS FE� � � 6.30 .5 5.60
SEE PEDESTRIAN PER PLAN PLASTIC YARD 1 ®
INLET Plat 1 � ,�� 17 s.9s
12' i O'�NtRtl 1 1 ® 20 TOP
�0 12ER OWN I „_,r, . Llp p�� 6.07 x 6. 6 ASPHALT 1` 7 MONDA ► 1
4 p�ES Pik I E'illst I: 4 «` ° -- ® 7.65 TOP 7. 5 FE 7:5 6.35 _ \ OEM 0 OR (3 23 e. rN o I I
gl 44 I 4 7.95 FE 6.2 6.2 :" . \\ 0 eoo�NgcE 43 PG MPSO J
1'82Sj 11119 O.2 ® &40 56 TOP 5.78 I. 64 �,\ k 3s3E �s9 N j y;
F+ 10. 5
TOP 7.95 FE 7.5 9 7.27 Aq CE Sg I ( "T
�
EXIST 19' RCP 9.17 7.50 INLET PROTECTION
5.92 0.3%TO � � 7.5 FE 8.43
O !
SEWER VACUUM MAIN
FROM DOCKS ► 1 555 TO1'.. - I 1 rr; ,:v
7.20
\ - ` 7.50 y .5 FE 5.89 �Z ORg7NgCF I ( x
\ 596 ( - _
\ \- I I / '�-��8_ r, Xs.ao y CQ : �- oy eMFtiT I I �" ..j
S n
BEGIN i( / p INLET PROTECTION O , t
SILT FENCE ° \ \ l\ \1 <<- �� ^
0
EAST. 01 D ,� �' ( I w 0
\ CONCRETE 7.95 fT n _
\ \\\\\ \ 7.50 (f IZllli 5.43 QL O I � ! z
High Water Line `��� S 20 sp INV N IN 213 RIM.=5.43: ,��
9 \�\ � ��\ � oo� p INV E IN 1.98 0 <: . 5:43 INy N. a. in7� \ SWAMP FOREST I I
53
WETLAND LINE ° �\ �� `\ �\ \ O c INV S OUT 1.97 4
\ < ti INV -3.34 '
ABOVE OROI1101 \\\ •,.o� \ q�
\ 3 \ o �, ,/ FLAGGED BY LAND ► J Q I"'
LEGEND "LON M TANK :\ �2. \ _BY O1NItER OR 7.95 FE SEE NOTE B �i , MANAGEMENT , - - _ •� ! :;` = Z (L
\ \ \\\ J i \\ 5.70 c�-- f t Z
5 gF.ARANCEu �� 1\ \ �� \\ :\ i7f \\ ssa 5.45 DI
0 oc
. . . . . . . . f1�f,i P01� BAtO(. �. - ✓ \ \ \\ �\\ .�� �//.•. \ .38 7.95 FE f R - •: - �''♦`C ( ,•,;.,} L.L�
REPRESENTS EXISTING `. \` - s. 7.95 FE I yr , \ ► ( I U V
_ <C W
RlPRAP vE6ETATF \ \ \\ \� .",��.` � � �\\\�\ 4` V `'-'� \ 404 WETLAND LINE 13
WATER SURFAEE PER �'• \\\ r
4•:, .
SURVEYED BY
SEIDpiG SPEC \ (( //r �� �\ INLET PROTECTION5.45 / H.D.S. - I 1 ' Z
I I t l \\ \ \\ 6.80 7.5 N iAli�11>iP�RARY
\ \\` � � \\\ \ ��\ '�\ \\ \ 24 RCP I` - - •• •-�•-� -- : / / / 0 � I I <;,:. � L
TW TOP OF RETAINING WALL \ \ \ \� �� �y\�� �\ 6.70 *_�5.63 4 cc
75 5. 0 43,�. ! 4 I I ' _.`___ I M I T OF .0 C
\ \ \\ \ �� \y\\ �� J Z o G
BW BOTTOM OF RETAINING WALL �\ \\ \ \ `` NEW LOCATION f 4' I ' ► 4
�\\� \ DISTURBANCE ��/,/ .�
\° OF EXIST. GATE
FFE FINISHED FLOOR ELEVATION \\ \ \\ \ \ `� \ � \`�� s. :. I I I [� -� W o
\ \ \ ��\ INLET PROTECTION
� aC u_ I-
FE FINISHED ELEVATION I I t r^
6.40 l: _ �_ ...h' -��� F9sF�i T�°`�f / / 1J1.7 2 0 vJ
X 7.20 PROPOSED TOP OF CURB ELEVATION \ I J �, tl�l l I LIIMIT�0 PI ` � dE _ t., :. , _--- ____-_ _ r / t / i ► ! a Z
1 � _ _ 1'
f \�\\\\ \ l/ 5.00 / �- :. . : 2"RCP �` I / < i / I 1 12.3 Ems'"" W Z
5.42---, EXISTING GRADE \\\ �\ \- / //� k i / - r- z35 FE I -_ ,.� /� I .
: ' _ l �C
\\\• - \ \\ \ ` /j///i / / - •• `•�� RiMS`.56. •'� 4 ` /� ( 1 � •dG '
14" PINE EXISTING TREE DIAMETER AND SPECIES TO REMAF�V \ \ \�\ \�� '. ///�/ , ,\� ,� ° , , z; :.INv. -� _ _r _ ,- ��� <CCL
INV E':'33 $ / /--' /
_ T �/ L-
14' PINE Q EXISTING TREE DIAMETER AND SPECIES TO BE __ \ \� ��� l it;�\ I ! I I �l 6.1 �• .' :• ��oy / / IA.
REMOVED. 1,061 �'
I / I
ONE L
. I :- - :
P OR!A
ASPHAL BRIDGE' N / 13°.5�6�1,/ TEM
� 52 _ __----_�EXISTING UTILITIES PAVEMEN
5,68 � EXIS 6.61APPDX
HIGH WATERLINE '12 RCP/2
High Water Line 8" CCP 1 II I J/�
do
LIMIT OF DISTURBANCE
EXIST. GRADE \ \ �' s� °' I
COD LINE I / 115�1 L i/ APPROX.6.o i \ � EXIST. RAD \ _ ._.. _-.._.. _ 1 Q 01
_ / \ ••\ ` u APPRO 6.0 SEAL o++n
._.._..�..T.._.._ WETLANDS LINE I 5:�4-f \f \ END S \ � SO / / ______ _ _ _ _-- 404 WETLAND LINE �+ � /► °�� �iA Ian a
EXI . GRADE SILT CE T9,Q O \ O- 1 It
EI \dl ENOTES: oX. s.oT r / LIMIT OF DISTURBANCE
1. DISTURBED AREA 9.82A C.
2. OP GRAPHYCAL AND BOUNDARY INFORMATION PROVIDED BY \ INLET PROrt`CT16N SWAMP FOREST (COD) I 1 �� 0
T D TEMP ARY ASPHALT / / BY.S 4
HANOVER DESIGN SERVICES, P.A. \ / / FLAGGED BY LAND High Water Line
J. VERTICAL DATUM NGVD-29. �, LIMIT OF DISTURBANCE,' / ' -E EE T`--\ / MANAGEMENT 31 1,� �h rQ-5)0, re
a
4. ROOF DRAINS SMALL BE ROUTED TO STORM DRAIN SYSTEM OR ROUTED SO TO BE `` \\ \ EXIST. UADE �/ ._ i r a-f - a ccp Qf
�; - -'" \ 4 APPRO) s.0 ,' \ _ _ _ -- - -~� 2/t��7/Gv a� 5r Zc1Cin p/2�, �a�hq 'to
ULTIMATELY COLLECTED BY STORM DRAIN SYSTEM. __ � , I I .�
5. RECEIVING WATER IS CAPE FEAR RIVER AND CLASSIFIED BY NCDENR AS SC . / .. / = ------' I
� K � f DESIGNED Bar: MTA
High Water Line -_-- -- - High Water Line--/ ` \ _ ____`,� g I ► >
7. ALL PROPOSED GRADES ARE TOP OF CURB UNLESS NOTED.
�. � A. .➢vl�°d�,st1bjcCi'�L+tiV4i:. DRAWN BY: OJA
VFYED 1N OCTOF 97. REMAINING BOUNDARY SURVEYED IN COD LINE FLAGGED BY WETLAND LINE �\ t j r, zon;,1gUrdinahcL I QUALITY CONTROL MTA
8. HIGH WATER LINE SUR r LAND MANAGEA9ENT 1 i b�I SCALE: 1'-50
1998. BRAKISH MARSH'--, I I I FILE NUMBER: 5q$4
9• THIS PROPERTY IS ZONED 1-2.
COD LINE � � � ` �1 DATE: 5/4/05
10: C.O.D. LINE ESTABLISHED BY N.H. COUNTY PLANNING DEPARTMENT AND LAND MANAGEMENT I
' SOUTHERN AND WESTERN LINE IS
AREA BELOW HIGH SCALE: 1 "=50'-0" II I 1 GRADING
11. THIS PROPER T Y S SO
THE LOW WATER LINE OF THE CAPE FEAR RIVER. STORMINATER
WATER LINE 50' 25' Q' 50' 100' 150' � I I BuildingCodeCom°' `" PLAN
12. HIGH WATER LINE SUR
VEYED BY H.D.S. 1
13. WETLANDS SURVEYED IN NOVEMBER 1999 AND J,q/VUARY 2000. I I �__ � SHEET NUMBER:
II II �
cl °o3SHTS14, THIS PROPERTY IS WITHIN THE 100 YEAR FLOOD ZONE.
RECEIVED
MAR 2 9 2016

0
La
�a
�
o w0
v7 0)« U Z
CO N Q
\ N LLI
UPI I— L (!7
Q'
p C� O0 YS
Ln to d tr
��
,n]VY y U
Q: 11 m ¢ z J O}-
�wi0(n u-j U7 L d wZ
II�n cn w 'a w� CS d
� cnr � mn_ w zcr
� 00 >4 .+��o z d7p-
�u1Dom 'W�rddC70
o
n Ln Lo to Lo 40 w cD cD
0�0000000 CJ
~�d tDO\i t 7
¢\ \N N N N
SITE clo";` IVIL L A �� � ,.
r ��
W w e�l O
Z 0: 0 M
CLUBHOUSE L_OCATI ON MAP a N
W Q Z k+D
FFE 2,0 _-- - ---__ z 4) = N N c
oZt ° c
--PHASE 2 N.T.S. J =°M M
1
N0 � �
_ r
C.O.D. LINE FLAG(kD ~` ` ` TR C' S7- �''L�
BY N.H. CO.
�B, 2g �C'r
DUMPSTER
0
m �.. W
t PAD PHASE 1 / Ea p,R� W PARKING
I� tt _ u oefo e q/,v;e
1
,, --- \ \ 3s3SApAc�sg p�7
s
t
t
S l TE
:
I �
� s
1 1
PHASE 3
►
PARKING
RMOIVDA D.
1 f
j
O
l
O,q
1 1
ne SHAM t 1
I �' FGRY LAND 11 f
AND LINEABOVE c�ouru s ` �q°qT R� ^�. ;;` __ , FLAGGED �3 J
BY 000 OR
GNLON FUEL TAW ° ��. \\- ` Sy S/� , ,� ' MANAGEMENT
\
Ck
I I
4-04 WETLAND LINE f I
�\ fUE1 SURVEYED BY ' Q
N.D.S. I j
(900
\ \ \ \
\ \ T
\ � x' I l / ��\v
I — W
Z
—I Z W
/
!
�
t
/ W LL
i ,; P1 S ) /
Z/ i j �'' (. �� /� p.
High Water Line
---------- 404 WETLAND LINE 1V
EC'" IVED
/. , � ♦ ♦ 1
SEP 0 6 2007
SWAMP LORFQT (COD) f i
FLAGGED BY LAND —High Water Line f '7 y DWQ
' 4'6
MANAGEMENT j , LIST OF SITE CIVIL DRAWINGS PROd#'
C0.0 COVER SHEET — PHASES 1 , 2 &3
C1 .1 EXISTING CONDITIONS AND DEMOLITION PLAN — PHASE 1
High Water Line �___- r i \ 1 i C1 .2 SITE LAYOUT PLAN — PHASE 1
/ High Wate L ne �- _. t
COD L/NE FLAGGED �Y `� WETLAND LINE \ I' C1 .3 GRADING, EROSION CONTROL, AND STORMWATER
PLAN — PHASE 1 SEAL
LAND MANAGEMENT / 1 j 1 C1 .4 WATER AND SEWER PLAN — PHASE 1 Ili„
BRAKISH MARSH ' ' ; C1 .5 SANITARY SEWER PLAN AND PROFILE — PHASE 1 ' !' o
COD LINE j I Q`
t , C1 .6 SANITARY SEWER PLAN AND PROFILE — PHASE 1
AREA BELOW HIGH j , C1 .7 EXISTING CONDITIONS AND DEMOLITION PLAN — PHASE 3
WATER LINE 1 t C1 .8 SITE LAYOJT PLAN — PHASES 2 & 3 ¢ SEAL
2#a19
C1 .9 GRADING, ROSION CONTROL, AND STORMWATER PLAN — PHASE 3
j C1 .10 WATER AIJD SEWER PLAN — PHASE 3
1 C2.1 SITE AND PAVEMENT DETAILS — PHASES 1 & 3 �►,,,,, • ,,,,�
i ! C2.2 EROSION CONTROL AND STORMWATER DETAILS — PHASES 1 , 2 & 3 wofv; �C
C2.2A BOAT WASH SYSTEM DETAILS — PHASE 1
C2.3 UTILITY DETAILS — PHASES 1 & 3 DESIGNED BY: VITA
C2.4 UTILITY DETAILS — PHASES 1 & 3 DRAWN BY: OJA
C2.4A POTABLE AND FIRE WATER SERVICE DETAILS — PHASES 1 & 3 QUALITY CONTROL: MTA
C2.5 PUMP STATION DETAILS — PHASE 1 SCALE: NONE
PHASE D E S C R I P T I � �! C2.� -���jm�� �:c � �, FILE NUMBER: 5454
WATI= RMARK MARINA OF WILMINGTON
c o.l Z-, 1�lr. -� DATE: 5/4/05
SCALE: 1" = 60'
COVER
SHEET
SHEET NUMBER:
co.0

__. .. _.�..�. -. . .._. _ _ 7 ..R _. _._... ...�.� ..��.
• 2'X 4'FRAME AROUND . LOCATION MAP
"�""'�"�'' ""� CREST OF OVERFLOW
r - CONSTRUCTION SCHEDULE - WOODEN FRAME L5'MAXIMUM HEIGHT \ \ \ -
STAKED 2'X 4' \ \, � S I TE DATA -- N.T.S,
EROSION ON AND SED I NEP 1 I'. i f REII.. PRACTICES
PLANNED F 3'LENGTH SEE NARRAIiVE FOR \ � \
LINE BEARING DISTANCE LINE BEARING DISTANCE _ -
1 N 61'49'52"E 14.62 36 S 59 57'4o"""E 28.28 MuuLtuM MORE DETAIL AND �_- � TOTAL AREA IN TRACT 11.9 AC
1. TEMPORARY GRAVEL C tl I IST0 r: 1 t! ENT'2AHCE 1, Obta I n approva l of P l an and any necessary perm I ts, and hold 3'SPACING ALTERNATE METHODS. \ --- \. \\ -
f
a re-construction conference rlor to commencln an work, \. '_- ,�- \, J I'\ \ AREA TO BE DISTURBED 10.6 AC FAR
2 N 40'16'03"E 33.51 37 S 833T17"E 32.93 CE Pratt Ice 6,06 P p g Y
3 N 22'02'30"W 20.95 38 S 62 37'22"E 62.71 GATHER FABRIC
- 0
4 N 6120'47"E 29.11 39 N 84'16'27"E 34.43 Shalt be Installed a the entrances to the project 2, Flag work limits and stake-out roadway, primary ditches, and o ATCORNAESR�S I I I \`\-� AREA BELOW WETLANDS TO BE UNDISTURBED 1.3 AC "O
from an existing roadwoy a ,t existing River Sediment Basin for preliminary grading, r - �., �J
m __I_+t-_� �. PROPOERTY IS ZONED I-2 ck��
5 N 58'D6'40"E 22.60 40 S 61'00'46"E 32.85 Road ), Drolnage s[,otlId ,.•luy from the o 1 ---
6 S 6726'15°E 16.10 x '�_,
\ \
41 S 24 36'49"E 65.45 road and erosion will b� ( • strolled with downstream 3. Install Gravel Construction Entrances, M O 1 �1\I I ¢ \J , \ \�akY
7 S 79'38'41"E 35.21 42 S 37'24'57"E 36.71 prat Ices. Dur I rig we wet r i t may be necessary to wash 1 /��������� 1 I\\ I � SITE
8 S 86'00'25"E 20.86 43 S 55'46'07"E 34.37 trucl: tires at these loca :,:.:rs, 4. Install Sediment Basin as shown on Plan prior to clearing C� y _
9 S 84 28'S3"E 36.19 44 S 46'44'S3"E 34.92 and grubb I ng s t to. m D � / \1 \ # # -I- 21 c9A
2, LAND GRADING m v z
EXTENSION OF .I� o r �____ ____ ___ ______ N 22 �' T
10 N 67 59'09"E 42.22 45 S 30 36'28"E 60.47 Pratt i ce 6.02 5, Construct d I tches and any other sed I men't control Pract i ces < K ' \ _ ___ -
11 N 07 23'S2"W 44.79 shown, pr I or to rough grad I ng roadways and s I te, stocky I king m m 4'C SHED MIN. I '
46 S 46 50'04"E 81.18 4`CRUSHFD STONE OR I 9� 5 REW�
12 N 00'18'03"W 33.28 S 39'48'07"E 45.45 Grad I ri shou t d be l I n i 1 ed to areas as shown on the mates I a 4 and topso I l as necessary. m � 12•coMPACTEO SOL I I � � I I I 1\\ I I 1 _Z "' \� �_ \ 36 4B
47 Plans. Cut and flll stope� shall be 311 or flatter except t/
p� BpaN
13 N 15'18'52"W 33.10 48 N 38'40'57"E 15.83 z 1 1 I I I I I \I I I `\ \\`� \\�
14 N 01'06'05"E 33.92 49 N 29 34'29"E 34.85 where specifically Indicat::d, Care shot[ be taken during 6, Install utilities In roadway, establish final road grades -1 \I I / I 1\ I I i\I I o \
15 N 02 33'20"E 11.99 land grading activities nc' to damage existing trees that and stabilize road with stone base course. 4✓ ---- ___\ \
50 N 68'O8'07"E 107.15 are I dent I f I ed as 'to be p'userved', FILTER FABRIC: \�� I I _ I I I �\ '\ TYPICAL STORAGE UNIT
16 N 71 38'29"E 9.69 51 N 76'02'59"E 14.26 7 F i nn l grade, Install non-mum l c l pa l ut l l i t l es as needed, and 1 PERVIOUS SHEET OF I - I I I \ l
vegetat I ve l y stab I I I ze areas where bu I ld 1 n construct Ion I s NYLON, POLYESTER,OR I I DROP INLET I I I \ ?`_)
17 S 53'03'37"E 113.13 52 N 89'46'41"E 10.22 g ETHYLENE YARN,EXTRA 1 I WITH GRATE I I � • RIVER R[]AD BOAT S f ORAGE - Storm sewer surTrtary
$F 3, SEDIMENT FENCE not Imminent, 1, I ( \, , `\`''
18 N 62 57'08"E 33.27 53 N 89'46'41"E 38.22 Prnc t l ce 6.62 I STRENGTH( io PSI MIN.)
19 S 72'47"39"E 13.26 6458'26"E 88.68 Sediment fencing spat-lt,l be Installed as shown on the WITHULTRANOLITRAY \ I 1 \I I \ r..
54 S g 8, A l( erns I on and sed I meat control Pratt I ces are to be INHIBITORS AND STABILIZERS ,L H 4-j ��� \'o \•�`,\\ FROM T❑ Dp ECA PIPE TC 110 010 INV DUT DIA CAP, VEL,
20 N 76'02'59"E 27.55 55 N 86'02'58"E 4.02 Plan, to de l I neat? and prc.�ci wet lands and specified areas, Inspected weekly and after any ra I nfa i l, and repo I red as j 11 ISOMETRIC VIEW _'-\
21 N 89'46'41"E 38.52 6"E 43.60 and around any te�polnry -;:ckplip areas as necessary to necessary, 6 5 acre L min In/hr cfs MSL MSL In, cfs fps
56 N 88421 prevent any graded rarrlc oreas fror eroding onto adJacent I ' FABRIC DROP INLET PROTECTION \ \'' 7 6 0.2 0.2 36 10 6.3 1,1 4.0 3.8 12 2 2 5
/ _ \ . "
22 N 60 48'42"E 39.75 57 S 60 45'01"E 26.89
lands or roadway Cr inter
, lots, of as directed by Engineer 9, Upon completion of construction, the roadway Is to be paved Nte 6 5 0 2 0 4 48 10 6 3 2 3 3 8 3 5 12 2 3 2 >
:' . \ �'\ \ \\., . -P SA 5 0,9 0,8 145 10 6.3 5.1 3.5 3,0 18 5,1 2,9
y '• �` ice' .' J ,� ----\� -., \\'�\� \\ 5 4B 0 7 1,8 120 11 6,1 11.0 3,0 2,2 18 11,0 6.2
23 S 89'09'03"E 9.07 58 S 5821'32"E 43.23 or New Hanover LC)ty lrc�_;,-n r;nntrol personnel, and al( areas permanently vegetatively stabilized, After I PRAt'�0°1
"""' �`----- \ \\ \�' - 4B 4 --- 1.8 21 11 6.1 11.0 2.2 2,0 18 11.0 6.2
24 N 50 31 17 E 9.99 59 S 53'16 52 E 51.40 site stablllzatlon, temporary measures are to be removed and '�
25 N 7739'28"E 21.30 1 I\ _ \ \ /`\ 4A 4 0,7 0,7 t40 10 6,0 4,0 3,0 2,5 18 4 0 2,3
60 S 67 54'05"E 66.80 P$C 4. PERMANENT STREAM CROSSI!1G the Sediment men t Bas I n c l enned to Its or I g I na l design contours, ' IP 1 1 ,
o Practice 6.71 If necessary, and riser structure orifaces opened, so as to _ ______ - - - \ ' 3A 3 1.3 1,1 176 10 6,3 6,8 3.0 2.5 18 6,8 3,8
26 S 32.43'38"E 50.78 61 S 79'49'58"E 48.13 J
27 S 50'02'12"E 20.75 62 S 74'40'53"E 32.64 function as a stormwater management / water qua[l ty \ \ % \ \, 3 2 1.3 5.9 165 13 5.5 31.7 1.2 1,2 30 31.7 6.7
4 bridge is to be construclt'. (Ly others) as shown. retention pond. \\ v ( `\ v" \ 2 1 0,5 5,9 65 15 5.5 32.7 1,2 1,0 30 32.7 6,7
2.9
28 S 6538'57"E 16.01 63 S 6529'39"E 24.49 Care should be taker, to construe' Ih:e bridge as quickly as 1 \ I I �• y1 \,� \ � 9 9 0,9 o,B es 10 6.3' 9.5.1 2.5 2.5 18 9,1 5.2
29 N 57'42'34"E 18.74 4 S 4734'09"E 48.00 possible, during dry weather, On,'.. Jf:1' ,hza vege atively or
' \ ` � 9 8 U '7 1 4 105 10 6 3 9 1 2 5 2 0 18 'J 1 5,2
6 cis is fensji-le. Contractor
30 S 8826'S6"E 25.12 65 S 29'03'42'E 30.38 with rip-rap If necessary as rni i' MAINTENANCE PLAN - I \ \ A C 6.5 3,9 490 30 4,2 16,4 3,5 3.0 24 16,4 5,2
\ 1
7"E 31.50 54.41 to coordinate construction ar,d t-��:_i with the County Erosion I `\� �'� 1\ 1 \ \� �`750'1 66 S 37`09'25"E ,;: �` .... \,,\ \
32 N 70'49'15"E 13.86 87 S 41 12'27"E 41.78 Control Specialist and the Arrn; 1. All measures to be inspected weekly and after any rainfall ` \,,
\ �\ ^17\
event and needed repairs made immediately. �i \ _ _
33 S 53'00'05"E 46.54 68 S 41 56'11"E 5.98 I` ` \ PUBLIC ROAD
34 S 71'04'31"E 66.06 IP 5. INLET PROTECTION ' js \/6\\ , . \ � "���
1
35 S 710031"E 46.21 Practice 6,52 2. Sediment Basin to be cleaned out when the level of sediment
reaches 5.6' below water surface. Riser structure to be Cleaned ' 1,111 - _- ,,
et b, . , s of s1It fcncing or black and if excess water above design surface no longer drains ��`\��
1 v -'aG'URVE DELTA RADIUS ARC CHORD TANGENT CHORD BRG gravel In Let pro sectIoc (.I .:_ * constructed to help 'I \ �'O
1 9'01'28" 993.00 156.40 156.24 78.36 N 70'15'16'E pre\en t sediment from en tei I , the storm sewer system, properly. \ \ � ' ___g --_ 1 \
2 920'DO" 1043.00 169.90 169.72 85.14 N 7024'32"E 3. Sediment to be removed from pond foreboy when it is 1 20 --.._� _ ,_ CE s�
• i \ \ O
/ ,`� - STABILIZATION ate[ 25% filled or sediment level is within 5.6' of rII\ /Iov., `L' \ 7 \ O �'�
h+} 6. Ol1TL ET approximately ' IN�,• • , R \ il
NOTES: d Pratt I ce 6,41 water surface. 5 J\ �� � 4-6
PROPERTY SURVEYED BY HANOVER DESIGN SERVICES.
Riprop apt one5wi lot be '•)_oted at the downstream end of 6 MINIMUM
PROPERTIES SOUTHERN LINE IS TO THE LOW WATER LINE � �5" C.M.P. " -- __ _ � /
THIS ail dlsch g p p p It scour. 4. Sediment to be removed from behind the any de Fence and F,
1/' _ / -' � 217878 S ^�� � THICKNESS G�
OF THE CAPE FEAR RIVER. inlet protection devices when it becomes 0.5' deep. Fencing INV. 11 5 C M..= � r1�f -------� P
THE HIGH WATER LINE WAS SURVEYED FOR THE PURPOSE OF DEVELOPING '7, coNSrRucTlnri ROAD STABILIZ.:1411`1 and inlet protection to be repaired as needed to maintain a 5.8'_ -+�'�- _� q" �� 5.002 AC \ �\, ©� 7 2"-3" COARSE-
THE HIGH GROUND. Prn=t i ce 6.8o barrier. � � S tOC, R P a C h I n g - v'
U or. reachin f nal A_ and after utilities have been IN \ \- _� \ 1- s AGGREGATE
AREA IS COMPUTED BY COORDINATE METHOD. p O° 9r - , 6 V. p" \ \ C� -%)
WETLAND DELINEATION BY LAND MANAGEMENT GROUP. Installed, roadway areas ur' Le stabilized by placing 5. All seeded areas shall be fertilized, mulched, and re-seeded - 1 4.7 t3( Crating �- - -_
sub-base course of npprova_n E' ARC; stone, as shown In the as necessary, according to specifications provided, to �J_
- p NOTE: SEE NARRATIVE GRAVEL CONSTRUCTION
FORMATION BY HANOVER DESIGN SERVICES. t .cal street cross-sectic ietnil on the Plan, to reduce \ 1 J i. _ I.S. \ \TOPOPGRAPHIC IN maintain a suitable vegetative cover.ESTABLISHED BY NEW HANOVER COUNTY PLANNING DEPARTMENT. ust during th•� ;rnnlnder of but [ding t FOR MORE DETAIL. 12'MINIMUb9ENTRANCE, WIDTH
COD
LINE 1'11 20, E ,C(` Y)0 - \E. P:\
construction. 6. Construction entrances to be maintained in a condition to prevent `,� 1 � t N g.�_ AS REQUIRED
`\ \ /� ,, > TEMPORARY GRAVEL CONNsTrity., �N /�
g' mud or sediment from leaving the construction site. Periodic \
¢ PL 8, SELIMEtdT BASIN
1� 1.5' 12.5' S9 Practice 6.61 - -- topdressing with 2"stone may be required. Remove all objectionable ' ' „E 213•34 EET TD - _ •\ 2 �P ENTRANC�EXiT [DETAIL. /
a 2
The Sediment Basin i s t( k•, constructed f I rst (see material spilled, washed, or tracked onto public roadways immediately
3 Construction Schedule) and li �rre primary Practice to ' N 81°11 20 DERAIL THIS SH +6'0 % \ G ./ Practice 6.06 f
s = _� - 1 prevent sediment I meat f.-a- le:v 'tha s I to, Beta I led des I gn and 7. Inspect check dams for damage after every rainfall event and repair 'I 1 D F- SEE +s 0 +7.0 - \ 0 fLT9 / 6
a
X =I I i lI -6- f FLOW FROM OFF-SITE TDD PERIMETER DIK - _ \ �\ - /� `.1\
¢ i I= 18" �__ sp I l[way con f I gurat I one ore t,,,`i f I ed I n the CALCULATIONS as necessary to maintain design height and cross section. IP +7.0 +s.o 1 NOTE PRE CONSTBUCTiON EROSION CJNTiZOL / \ Via. O
a II i section of the narrative. I: E ?VC outlet Is to be blocked / °.
DA= 5 acres 1' i during sedimentation functl :cr not Installed) untlI �I E 0 0 I pp y r� p / /
045 1 I-11- Y(10)= 0.6' a watershed t s err,an e. . l stab I t I zed and pond i s NUTE WELL' c 21 iY I , I / \ la� w�
n- 0. 3 l_ I ent,r P y ANY AREAS ❑N-SITE WITHOUT ACTIVITY IN A 15 DAY PERIOD _ GA I.S. +7. g0.0 1. Obtain a royal of Plan and an necessa. el,. r :-,td hold a j .\ -� j
6 cfs I - converted to permanent stor ,ester management detention / 6 , (l)_ T.O� +s.0 2 pre-construction conference prior to comment' my work. \ L �' /
O(10)= 6 +6.o I 64----
V(10)= 1.5 fps NON-ER051VE _ `'K - retention function. SHALL BE TEMPORARILY STABILIZED AS PER THE SPECIFICATInNS, , Tt 1
r I I �5L____ - 1 3 1 2. Bridge construction shall be accomplished FIRST f1 silt fencing \\ �� �J\cj
!`
Vegetate Immediately 5' - \\ -t 1 1 63 /
= �'`�I, 111 as necessary to prevent sediment from entering :e�tln. O � �\ \�
7 I 1 ��
I I' % -�,6 \�� '' �, „ jay, I � 4 I 3. After bridge construction has been stabilized, l:'r(:;,J with Pcnd I \\ •N,, 'O J p%OQ ��.
T DIVERSION - - V \` ' W ` LI 1' Iao I 6 ' construction remainder of erosion control m8;r51r's, and grading sate. \ -1r0' (� % � //
DETAIL PERMANENT _ Q �Q 1 � j II , \ / J / 6.,f�
t.J Practice 6.20 _ \ I N Ogg 1 ',1 Ir,'�II ',I ' 67 1 1 bi 1 1 1 \ -� / �I�,+ �DRAINAGEA EA.a_(flY ULE11- I -70.55 1 1 \ 46.00
�\ [ 'T DA= 5 acres 1 \ '' i 0)I'1 III '�' 168 I i 0, i j\ \\ / ���} /
A 6,5 acres j - _ I n=0p_04p6 m111 I' ll' II I 1 6 \ ' 6 I / / / _- \\ ­)e /X 1.
j
3 1 I , o acre I F I n n1 e 1, S t 0 VG I I --_____---- _ Y(, ) _
2 0.s acre i - DS o(10)= s.s cfs \\ 3p°31 3--- 1 I 1 70 1 1 5 \ � 7 1 o / /' /// ! - - \\ �O �"I\``� "\
,I 3 1 ,3 acres 3A 1 ,? acres 1 TED WE-'ELAN V(10)= 1.5 fps NON-EROSIVE I 1J 6;N ..---+�'/_ � 11 00 X - -- -
58
4 0,5 acre 4A 0.7 acre 10.606 Ac 1 DELIRMITS BY OTHERSUIRED Vegetate immediately { 3V'E 162�� - .:`" 1 I III 111 71 ► 1 8 1 ' / S / - _- __
,I 5 0,7 acre 5A 0 9 acre I g0'.31 � --7,! 1 , I I 1 ' S7 --- � I
-- 1 ks _-
1 6 0,2 acre 1 (PE MiT RE0 N ,--�- _ _ __-- _ _1�. � I I 1 1 1 �Z C M - 1 1 / , 1 /
I cop PER \( CORPS TD ` - -' i _ -�- r 04 i � 1 ' I 72 6 1 H 9 � � i / � � , // � _
ARMY BY AR
1 1 -
----4 -' - \ PPRO�/Cp +6.0 +�o - g1.16 +6°��5__ i- 'I-- j 1 ; ;I II \, I 1 0 5 v. J'3 f 1 C +s.o 10 11 <OI i', i'/ `� �,,. �� 1 i)
9 0,7 are - - E N pTION A - +7.o s - - I - 0 I; I 1 1 , , I 1 4s. to a0 // i \� /V. \ � '-
i ]0 0,9 acre \ N❑TE LlE1_LI -- - - -- _- -- �� D L +�° _'- _ - ` ; it C1 1, II 1111`I74 1 0 D 11 I i � ��`\ �, / t4
I E `� I 5� \�
1 t:�_�
"E_ T G 1s E -`- - SHEET s.o - - ... iI 1 1 i 17 5 5 i o 1 �,J `, ,�% ' ( i ,
/ ALL_ Rc�c,r I : THIS ->; 1 C6 I® 1 . , �; 4..:.
--
4 I i f F II r H ----- 0 T - - -
S - I r l/,� 0 1 1 I _ N 1 +. 3 1 ir�, Z -\ \` i I �,n �' 1YA _ (��
/ - t - ty •.:_-_..�---i-'.._• _:S.T ` I �.. i , I r^` / li 1 - 1 i i� t 3 ,• n!� ,� 1 1 \\ \ _A `�" J ��{Y,,� , i"_ '' C."I" `� \)
i ` r, \ - )
R rAT -. r.�i YZ 1,` \ _ - r 1 1 . _-. ,I 1 �'T,,/ , 31^. - -� °�� / �'. ,�.3..-._ "., '\. •1.
v ( I
1r ,
1
- �. > _
i
i Z 1
F
y
�'
I -�'-, _:_ ..^"s"' I . 7 1 , ' Ci U I !__�. 1 cal , i j j t r• C r l ! C,-�' ,,t
---- \ R 1 1 1 -T
; _ -
§ �� +c.�. - 1 I ' 1'� . I `I IP r 1 1 � \� i' /\ i i-,' �._ � �-d� '�, r.\L \
_ hh r�
,"'...37 H hq�'•� -• -l' �. ,� A\' , i --- !J`� _ }5.5 I ; 1 \ , o 'i It \`.. :� _ ,� - . ^ '"�-_ \ _
I 1) Ii
\ !� +.7.0 -- GR 1 I I _ _-- ?' 1 g 1 I r t�' I \ \ I, \ :f"( __- 1�=sj• , �" / 1..� \
11 1' \ (,`C, J 1 3J` _ -! ar0 �� / 110--= - -j- i I 1 ' 1 1 -"\ \ w_1 - °w - /'• (_)` p i> \.,f 1
11 . 'I r 8O -�J .o ` 0 IP 1 <� �i 0 I I t \ t� - - �-� Loy = �� I/, f
I (�Ik \• •w„.:...�"'•.�" - 1 [. i .. � � 3 5.5 A�`1 Y 7� � l , 1 -�- 9 i 15 ,. `ate'\ �%� '�'� .p.4 \ 0 \ -
® __ lJ \
1---r-7 1 1� � �' /� I
r / oo \ ?> II 1 ,' 1 I Z 1 i� f, `, `+\\ i. S 65 i \ U}Y 9 iI 15 �. 00 - - - --i- 1 d / / i v I I WB I 16 ► tt ' \ \ .� -\\
6 4. ,�
II _1 i 3 33" 1 ,,,,,,•.._....s .` ,, �\ . . . . . . . .O•.o.4,< . . . . 0 0 . 7Q5. F. - 11.3So 1 �'- -/ r 0- , 1\ 8�,_ e / _� o - \ ^- ct_ -P
, 1 g0° 1 E 4 tv O a s v 3 6 .63 _ ---�"_ g 5 Q---- I I I j 47 17 ► s � �%'��.- ` t \�' -
.... 7 _ I, r' n . . 0.5 ;AC - I_---- - 0-. ! \g a G ,I, 6 �!
�' ` S �: \ ' 6 0 �, . . �. E MEN . � I 1 1/ 46 I 7 ..o' \�\ \ -__ 2\ -
,.
2
IS„�,..__. � �,c' 1, <- \ o . . 15 _L - - t 1 1 Q3 ! 7 s r\-. t 6 �\ �
, I I � /
8 \ ��a e o1 _�� o I 4 1 I I I 45 _ / / ' , � , y :' �'`, a o/ I \
( � -I- P W I 5.6 ill X I 1 Ln 19 e/ r1A". \
_ `L
\- �'%, � LOT , . ----` - I o \ I 4 ; T I P r.ly._• ` \ I, \
`c) c -- 1 ' A \ 1NG QO ---- - e- '''l 1 I � �y I 4 / SES z ,r 1C-S �' \
i� o _ GRAVEL P 1 7-1 - 1 r 11 - o 11 1 85 q` .� GP `�-\'V'` I \ NOTE.
\ PICN AREA , O l"� Do\ . . 1 _ ------ -1 7 I I i EP , I/ CURhS �..• 7 s I
1, I \ J +s r 18 _ -I 90 g6 4 i 7 s +. i SI^ THIS PLAN TO BE UTILIZED AND
/� +E.5 ��- - _ . . ---__ o 1 1 I 0- -- 0 7 ► 11+6.0 .._ �, / b�. REVIEWED ONLY IN CONJUNCTION
r �j1" ro\
$F c� �Fj• _-___- L _ ( d +5.6 19 P `�9_ Ln Cn IP G W1TH i}IE WRITTEN .NARRATIVE,
`�. 43,0 0 . I-. "-`- EPm - s E5 % i �� WHICH IS AN INTEGRAL PART OF
11 +so Cal 5 0l y 12 I_ - 8 S 120LF i CCes _�,/ / \, THIS EROSION AND SEDIMENT
'�s 404 WETLAND LINE a� �• 2 ; -- + _ . . . . . � < 18 I
SURVEYED BY `� I ➢ ' 00 3. ��� CI . �' 1 1+6jo� L,._ 4s +5. '/+5.5 48Lr 46 00 �3p P ,�' CSFI CONTROL PLAN.
H.D.S. �.e rr _ +60 . . . W ` Z \ RENCE , // +.6.0 i _
\ z �T� . . . :t_ , � 1 ,� 21 / 1 L . / R1ff. 06n_b L_..1 S6riI
`� cP In R AGE U`A o cc l +:Ji 14ULF -1 EP iP - �� .JJ4 AC 1 Ad
"�� SF v� Z (\ (� � o _ 3-- IP IP _ O 22 +60 ` p f Additional, Calculation Summary for DWQ -
`dd\ T �T I"� '� -Z "�' ---= _T+e• A 8p 00 0 // A" IIOj WATER QUALITY CONSIDERATIONS -
k ` 5 0 -)C t IJE� ---- - - p 41 _I- fi---------- - v +s. NORTH CAROL%NM,A I t
+ - L 1
v\ o +5. N - ._ 370.00 _,r-- t- 1 ~ __ E 1 MANAGE ��1JTAL Impervious area co.lculatlons See Project Data Shee
1 w No offslte areas drain to and
„ �-Q) k\� `" 10' ----t --- i ! 66.7p _ __ t ___ - 1 1 36A�_--- P / � / DIVISION p
100`C.O.D. cis 9 _ -' - - i I <- 1,cat A
1 +s t 1 _ 36.��--1- -t-- . % a$Iy
_ - - 1 -ION OF MUTER QUALI iY
`-, O , (D .:-•� -F - -- ""` 1 25 O / I STREETS= 1,2 acres
� SETBACK PER 'o o + 0 -- 1 y S j..(r' L) Lmp
31 o 1 1 a0 I - I to I cfl r EP 1 T223- O 1 39 �_ _L-=-__-- +5.6 i BUILDIh1GS 3,0 acres
r tT _ .__- , 1 i . . ' 1f7 1 117; ` r i ; 4 _ -1 1 26 � GRAVEL AREAS = 5 0 acre
N.H. CO. PLANNI IP o - -- ---- --` I I I I •,d^- I , 117 , r I ' ` � I 4 _ --i_ -i -_--- Dete
M 1I I c\7 u! 1. i 1 S = 1 I 124 - c 1 - 38.__a_ -1- �` Gp (/ � � 0 TOTAL IMPERVIOUS = 9,2 acres
�sz� t \ I 370•p0 0 - 1 1001 Ito � �Lf) t r1I I 1 ` 143 1- -G--'=------ �I -" 1 1 27 _ Z / � st0[t11water [t111 ""'� TOTAL AREA DRAINING TO POND = 9.2 acres
'® - 01 t9 1 l' d 1 1 I ; i I 125 l- 1 37__1_ 1.----- 0 � $I I n rllMr I
\ ' +6 0 I`r ' i I ` 2.50 1 ` 1 42 1 _L_- __ _ ---' 0 1 2g / Retent I on of f I rst 1' of run-off
\ � \ ,.1 -`' o�\ - I- 1 1 I 21 - 1^ .o 126--- O t 36 0 1 _------- S 6.0+ -1 1 1.9 acres total - 9.2 acres I mpery I ous = 2,7 acre green ores
\ _� 6'� 1 1 141 1 _-__- 1 --1 O i Ik NOTE WELLI GREEN AREA DOES N07 II TO POND
�, SF" i _ __ _-_1 127 1 I 29_ / ' a .:'�•l .
\I. rr... __ _• `Cs}�T�- :� 0 +59 +5.6 �q0 1 1 __ - - 1 --- 35 r`----- 0 / �p �S'\\ I J SA REQUIRED, 9.2 x 0,98 / 9,2 = 0,9t1, or l0U%
/ �3 Te +s. i56 t G- 11 r 12$ - 34__ t- 3 / ' oD / '' ��- _ = J At 7,5' depth, 9G% TSS removal, from chart - SA factor = 3,6
7/ +- L61 G LOT 1 13� _ _i-- 1 __ - 1 31 --- O 6 9,2 x 0,01 x 3,6 = 0,33 acres = 14,430 sF SA REQUIRED
� i f Yo ,. _ \ \ C +5.'GR p\IEL P ARKI ----1.3 y -/I d0__129- � I --- 34A -- 1 -32 L 7 =
t� t----- �7S At Elev, = 3,0 SA = 0,64 acres = 27,970 sf SA PROVIDEll
�` W n I, 81- �6Q o 30 4B - _ � I/ '1� ALL SLOPES VnI.UME REQUIRED, 1/12 0.75 acre-ft
o0 ;i IjI � 4 � q 72.50 - 1 0 - - ' - 1 _ ____
:.I l • ii 4 5 s'° I <O o \ 9 6 - ` -1----- \I `� / .f '\ �+ O �` �j��•O +5•s -1 >t� _.1- - +s 0 I 33A +6-0 , �� G I Wmin 1Vmin. SEE PLAN a Average head from storage elevation to orifice '-
(� o,�;c� I f�`� .. /�:,�.> _ -\\ 6 0 rn s ° _ -- - -` I I 132 = ' L------------ -J , ,- �L� -__� u
POND DESIGN_- DATA104s� 6. (, -. �,�,_ _
sro ` �.. \.._ i1 N tz 1 _ _1 `t' [x -,��. , 69 % \C\ POND ,-
sz- c J -\:'�\=\: l� 1 763: -7t5 1 32A __ �i L \- `� 1O Forebaf req,�ed n 2-1/2' PVC drain to draw-down 1 MINit1UM VOLUME
11.9 ACRES IN OUTSIDE PERIMETER t ' o \ I �_--
I VlSe.l � Orll:lce equation, Q = CA<2gh)^1/2
v e i�l \:' \" 2� h ^ >n 1 �.�� \j.0 - storcge, typical
11. ACRES IN COD OR WETLANDS (NO IMPERVIOUS) • , s.o+ �_ 1 4�_
\-. . 0 - 3 `� -T-----_ _- _-----_.--_-- ____ Q 64,
_\ ^ ^ 34 r-' OP `, r i 0.1420cfs< <
30.D0 1 - �-s \ , _ '' �, 1 11328- a \ \� ^
ACRES TO BE DIRECTED TO POND g5 �- �• ��' 4 �'.. // _
9.2 `-': �- �:.-' :. _ 3 1- V $F �� 0.5'II ]1 ` Y
� 13_ 4-`" - LIMITS OF iYiIh' ,
__
�, :; � ----�__- T = 230,260 sec, = 2,7 clays ❑I<AY
G� �'�' _ _ _ t _ -�_ _ , + LL1 ".�"3 _ 132� DIST RBAN E '� 4'rnr) �� / OUTLET PIPE FOREBAY RE UIRE S -
�, 1 U C ow` \ Q MENT
�..:' 0 3 /,/
IMPERVIOUS AREA = 1.2 cc. IN PAVED AREAS �� �R �� -t _ -o. -� :' �• +5.5 __ ----1` "I 132p 10-6 acres *% ---- - inmum ap clt = 0 2 = 1 00 cf
3.0 ac. IN BUILDINGS OR COVERED AREAS - - I U,MENSIONS ARE AL.I1. ,Ai Provided =
5.0 cc. IN GRAVEL PARKING -��� -• L �_:: 65\F ` 1 B _ -----�� , ! 3- M c a y 90,0 0 X 0% B 0
Ir �I y\°�%� Are:,or as neceesery OUTLET enpae I ty 20,000 eF
</. -�_.�' 6 5 4 2.00 ` - t IP ---......L 0 r-
9.2 ACRES TOTAL IMPERVIOUS lOi•O0 N `T�-M � �'' 1 ,p0 +s. 5'• / La=15' -•�A •y:` � minimum t' stone PROTECTION East Forebay @ 1 = 16,400 cf t
_-___ �/ b` _-_.t icOREB.4YSECTIONpETJ�IL AS ON PLANS We>t Fcrelaay @ D = 3,600 cf t
y"�'� A= 5'DO 6 s \- BOTT0 J d- �. � 1' 0 401 �I 1� ,�.. 0 L9 `=� 6' o 'YPICAL AT ALL STORM OU7FALlS TO POND NOTE WELT
L,3/ 0.68 EL_ M LIJ n ,: �.- �L1 L8 L� GQ °nUn° ANY AREAS DN-SITE WITHOUT ACTIVITY IN A t5 DAY PERIOD
�Ci r�LA /lR) I `93'I4' `4.5 T - 4 I � t>UI)o0 NOT To SCALE SHALL BG TEMPDRnRILY STABILIZED AS PER THE SPECIFICATIONS•
3:�'l3J+:+�1L1 Lt
i �36 01., o :. 3 LS 1
FOFtER IY 00 U1W E: 0 .c z - L5 �� °0°0°o( 10 -- --- ----- - Da+.e:
W I \ y .� 2 E. C. M . (> 0 0 Or
Y 19� =- __ -- 1 6 L52 oUnU ERO,rO.J & SEDIMENT CONTROL and WATER QUALITY PLAN
Volume Required = 90, 000 2U/. = 18, 000 cf J,1_r SF -1__-y •-=�:.� 0 5 NOTE: FILTER FABRIC IS TO I 24"
Volume prov Ided = 20, 000 cf QCn S/t T FENGt '/ "I Q 00 27g70s -� 1i ¢S� \ \ t 4 �y BE PLACED UNDER ALL STONE ° V UB
3�30`00
., OUTLET PROTECTION. RA R .�D J
� LLJ 0 LO'iG TOE tS, sr OUSEL, ( 5 '
STATE WATER GIUAUTY POND CONSIDERATIONS - Y LLJ 'OF BANE AND �U _ =28. 24 � d50 = 3' STONE Scale:
1 °� I- Cr CROSS TOP OS•, i i 6 '-404 WETLAND LINE Q(10)OUT= 16.4cfs dMAX = 5" "A MARINE ORIENTED STORAGE CONDOMINIUM" � � T 5 �F10WN
Surface Area requ Ired = 14,430 sf 1 O 1- OF PIPES 435t f
Surface Area prov Ided = 27,970 sF - D !` V(10j0UT= 52fj 19 La = 15"
Storage Volume requ Ired = 32,730 cP ov > � SURVEYED BY LrxaHATED IN R COUNTY, TOWNSHIP ----` -- - ---
3 I N APRON THICKNESS = NEW HANOVER COUNTY, NORTH CAROLlNA
cif / Emerge�-�.. R_ H.D.S. ____ __
MINIMUM 1�lStoragevVo tune DrawdowncT i me = 2. days 1 m L1WPORT?.BI.E PUMP Lr' y SA'IIWay EL_55 `d J OUTLET PROTECTION DET: �_
D.SrL!
y TO BE USED TO DRAWDOWhi 6, J I C.O.D. LINE 010111'i"'°''Or OWNER: BARNARDS CREEK LL.0 MAY 1 7 2 checked:
S IPOND IN EMERGENCIES 3:1 DRY SIDE SLOPE - 6.A6 SURVEYED t.,,' TT°�'�E ,���N CARD( 4,
_ z OR FOR MAINTENANCE. STEEPER SLOPES ARE L32 R�3o
PEa�IIt DISCHARGE Sll�Jltvli4l��1� (NII� S \� Q REQUIRED TO BE 3j 0� I-;,D,S. AT NEW RCP CULVERT - --- %c'�� s..s. Ij + °w� PO BOX 1083 (SAW
QC 2) re-developed = 8,6 cfs C0 ARMOURED WITH RIP-RAP. LJO 2 2,6 � --`\ ��,� EE5S1� i '�� WILMINGTON, NC 28402 DWQ
w Project No:
p DOCK
' Q C 1 0) pre-developed = 18.7 cfs N. �I ;* � S. PROJ# �� �oC4
SEL = 5,2 EMERGENCY - `�j $ -- o5, ��` _ 1
- -- cEQ� 91O 39.2-6670 - E.SC1
QC 2) post developed 5.7 cfs @ W SPILLWAY EL- 5-7 •3
Q(1 0) post-developed = 18,6 cfs @ OUSEL = 5,7 MINIMUM 30 CY FROM
VEGETATED SHELF � L21 I-2U Ig � - -- M s ______`_�
- _-
QC100)post-developed = 38,8 cFs B OUSEL = 6, 0 STONE SPILLWAY FROM EL= 2.0 TO / i-=-=- .,
EL= 3.0, 6"aID L23 /�22 <'z �r 1 REVISED AS PER COMMENTS FROM NHC and DENR DWQ ic- -00 6. Ie®t No:
PROTECT70N I� , _� �& )�.e
'01N HAt OVER DESI02N SERVICES, P.A.I' �
OUSEL- 3.0
POND SEDIMENTATION CONS{®ERATI iS m- w= 4D: Depth= i.o' 6' ' r,p REV. N0. REVISIONS f '1L - '4*00 f*O t° a� =t=-:
St®rage Volurle required _ lll.6 X 1BgQ = 1S.O130 c'i v `___ �- S." ,E�` LAND S1/,Rt/EY0:4S, ENGINEERS &. L:4NC) PL,4P✓NERS
5 \ N
VEGETATIVE PL P.Y. I-2 ` -'} a w WIL WALNUT STREET - y -
i
Storage Vo tune prov I dcd = 44,250 sf + t _ ^'�f n ' ll
Tr:' �,�✓r Copyright O Hanohr Oss`yn Servksa P.A., All rights rp�rwd. Rsproduct(on or use of the cm to is o/this document or oddatk rn or I° s,- th1A C.• '__ W1LI11NGrON, N.C. 2840i
2
HIGH WATERLINE LOCA ,._D document, /n whole or pa', wlthaut written consent of the Land Sw yor or Engineer, is prahbted Wy copies (-om me�,t of tf� . - 1 -- 1 t " PHONE: [phone] `��I • i I
50 25 0 50 100 150 Permonen i vegetat I on to be estab l t shed I n accordance and El l� I1AN0VER DESIGN SER VICE I 16 marked with the origha signature and original seW of the 41X.'m or Engineer, shall be considered to 1)e valid a`d tnis topic: f �� r 1✓ _' t �y -- -- -// Of;
r----��' - -; 'hlnrth C ' l1na Freslon and Sediment Control Planning Il
L _ _ __-J ___1_t_.. ------- -- - I
r --- - r -_� Do's i gn I :pal' S_ct l on 6.11, l otest version, See Sheet 2. I"r.1E 1 0, i 998 -1 ��- �______
- .`a^���y'+� ���• _ __ `.
SCALE IN FEET: 1'= 50' _ _ �- v "a ��

SB 75sifp,",�-Shd
LmtDt_Basin SF Se_ciimenI Fenc,g_�i 1_t Fence_
C �Cons ruction Road Stabilization Permanent 5ggd1_.ng rCG 1Grgss_Lngd C�nrtelsSpecification 6. 62 - Construction Specifications
Specification # 6. 80 - Construction Specifications Specifications # 6. 11 -- Specifications Specification # 6. 30 - Constuction Specifications 6. 6] - Construction SpecificationsATERIALS1. Remove all trees, brush, temps, and other objectionable material from the ite preparations-Clear, grub and strip topsoil from areas under I .a 1. Use a synthetic filter fabric or a pervious sheet of polypropylene, nylon,1. C1 ar roadbed and parking areas of all vegetation, roots and other Seedbed Requirements foundation area and dispoo of properly. ankment to remove trees, vegetation, roots and other objectionobi ; material. polyester, or polyethylene yarn, which is certified by the manufacturer or
objectionable material. Establishment of vegetation should not be attempted on sites that are unsuitable 2. Excavate the channel and luape it to neat lines and dimensions shown on the Delay clearing the pool area until the dam is complete and then rew,-,e brush,
supplier as conforming to the requirements shown in Table fi. 62b. Synthetic
2- Ensure that road construction follows the natural contours of the terrain if due to inappropriate soil texture (Table 6. 11a), poor drainage, concentrated plans plus a 0. 2 ft overcrt: c,round the channel perimeter to allow for bulking trees and other objectionable materials to facilitate sediment cleartc:ul. filter fabric should contain ultraviolet ray inhibitors and stabilizers to
1" outer
it is possible. overland flow, or steepness of slope until measures have been taken to correct during seedbed preparation: .arid sod buildup. Stockpile all topsoil or soil containing organic matter for use on r,� provide a minimum of 6 months of expected usable construction life at a
3. Locate parking areas on naturally flat areas if they are available. Keep these problems. 3. Remove and properly dispoa of all excess soil so that surface water may shell of the embankment to facilitate vegetative establishment. Place temporary
temperature range of 0 to 120 F.
grades sufficient for drainage Gut generally not more than 2 to 3%. To maintain a good stand of vegetation, the soil must meet certain minimum enter the channel freely. sediment control measures below the basin as needed. 2. Ensure that posts for sediment fences are either 4-inch diameter pine, 2-inch
4. Provide surface drainage, and divert excess runoff to stable areas b using requirements as a growth medium. The existing soil should have these criteria: 4. The procedure used to estolish grass in the channel will depend upon the 2.Cut-off trench-Excavate a cut-off trench along the centerline of tl.e earth diameter oak, or 1. 33 lb/linear ft steel with a minimum length of 4 ft. Make
9 Y 9 q 9
water bars or turnouts (References: Runoff Control Measures). severity of the condition: and selection of species. Protect the channel
fill embankment. Cut the trench to stable soil material, but in no case make i sure that steel posts have projections to facilitate fastening the fabric.
5. Kee cuts and fills at 2: 1 or flatter for safety and stability and to - Enough fine-grained (silt and clay) material to maintain adequate with mulch or- a temporarylirter sufficient to withstand anticipated less than 2 ft. deep. The cut-off trench must extend into both m wi(t tits at 3. For reinforcement of standard strength filter fabric, use wire fence with a
P
width wide
facilitate establishment of vegetation and maintenance. moisture and nutrient supply (available water capacity of at least . 05 velocities during the ;astolishment period (Appendix 8. 05). least the elevation of the riser crest. Make the minimum bottomminimum 14 gauge and o maximum mesh spacing of 6 Inches.
6. Spread a 6-inch course of "ABC" crushed stone evenly over the full width of inches water to 1 inch of soil). Maintenance enough to permit operation of excavation and compaction equipment bt,t in no case
the road and smooth to avoid depressions. - Sufficient pore space to permit root penetration. During the establishment peri)J, check. grass-lined channels after every less than 2 ft. Make side slopes of khe trench no steeper than 1: 1, Compaction Table 6. 62b
7. Where seepage areas or seasonally wet areas must be crossed, install - Sufficient depth of soil to provide an adequate root zone. The depth to rock rainfall. After gross is e_bbiished, periodically check the channel; check it requirements are the same as those for the embankment. Keep the trerr..h dry Specifications For Sediment Fence Fabric
subsurface drains or geotextile fabric cloth before placing the crushed stone or impermeable layers such as hordpans should be 12 inches or more, except on after every heavy rainfall e:r,t. Immediately make repairs. It Is particularly dur(ng backfilltng and compaction operations. Physical Property Requirements
(Practice 6.81, Subsurface Drain). slopes steeper than 2: 1 where the addition of soil is not feasible. important to check the channi -utlet and all road crossings for bank stability 3. Embankment-Take fill material from the approved areas shown on thi plans. It Filtering Efficiency - 85% (mm)
8. Vegetate all roadside ditches, cuts, fills and other disturbed areas or - A favorable pH range for plant growth, usually 6. 0-6. 5. and evidence of piping or scar holes. Remove all significant sediment should be clean mineral soil, free of roots, woody vegetation, rock., and other Tensile Strength at Standard Strength- 30 lb/lin in (min)
otherwise appropriately stabilize as soon as grading is complete (References: - Freedom from large roots, branches, stones, large clods of earth, or trash of accumulations to maintain tm designed carrying capacity. Keep the grass in a objectionable material. Scarify areas on which fill is be placed before placing
9 9
Surface Stabilization). any kind. Clods and stones may be left on slopes steeper than 3: 1 if they are health, vigorous condition a'nll times, since it is the primary erosion fill. The fill material must contain sufficient moisture so it can Le formed by Extra Strength- 50 lb/fin in ram
9. Provide appropriate sediment control measures to prevent off site to be hydroseeded. protection for the channel (i<tctice 6. 11, Permanent Seeding). hand into a boll without crumbling. If water con be squeezed out of the ball, it Slurry Flow Rate - 0. 3 gal/sq ft/min (min)
sedimentation. If any of the above criteria are not met-i. e. , if the existing soil is too CONSTRUCTION
is too wet for proper compaction. Place fill material in 6 to 8-incl
Maintenance coarse, dense, shallow or acidic to foster vegetation-special amendments are continuous layers over the entire length of the fill area and then Icinpact it. I. Construct the sediment barrier of standard strength or extra strength
required. The soil conditioners described below may be beneficial or, Compaction may be obtained by routing the construction hauling equipment over' synthetic filter fabrics.
Inspect construction roads and parking areas periodically ; ;; lion of preferably, topsoil may be applied in accordance with Practice 6.04, Topsoiling. __ 2. Ehe ground
that the height of the sediment fence does not exceed 18 inches above
,. P r the fill so that the entire surface of each layer is traversed by a' least one the ground surface. (Higher fences may impound volumes of water sufficient to
surface. Topdress with new gravel as needed. Check road ditches and other wheel or tread track of the heavy equipment, or a compactor may be ,sed.
seeded areas for erosion and sedimentation after runoff-producing rains. ....... cause failure of the structure. )
Soil Conditioners Construct the embankment to an elevation 10% higher than the design height to 3. Construct the filter fabric from a continuous roll cut to the length of the
Maintain all vegetation in a healthy, vigorous condition. Sediment-producing In order to iitlprove the structure or drainage characteristics of a soil, the allow for settling. barrier to avoid joints. When joints are necessary, securely fasten the filter
areas should be treated immediately. following material may be added. These amendments should only be necessary
P Outlet Stahilization_Stt));.t_ur_e 4. Conduit spillways-Securely attach the riser to the barrel or barrr.l stub o cloth only at a support post with overlap to the next post.
where soils have limitations that make them poor for plant growth or for fine make a watertight structural connection. Secure all connections bet,;een barrel
ment see Chapter 3 Vegetative Considerations). Specification # 6. 41 - Constrtrr.tion Specifications 4. Support standard strength filter fabric by wire mesh fastened securely to the
turf establish ( p 9 sections by approved watertight assemblies. Place the barrel and riser on a
1. Ensure that the subgrade f::a the filter and riprap follows the required lines firm, smooth foundation of Impervious soil. Do not use pervious mo arial such up slope side of the posts using heavy duty wire staples at least 1 inch long,
are s ha um moss eat, h num moss eat, reedsedge peat, and grades shown in the pl,o Compact any fill required in the subgrade to ravel, or crushed stone as backfill around the pipe or an 1--3eep or tie wires. Extend the wire mesh support to the bottom of the trench.
Tem orary Gravel Construction Entrance Exit Peat-Appropriate types p g p yP P as sand, g
- rc
--�- - ---�- o fresh-water sources. Peat should be shredded and the density of tha surroun,rug �ndisturbed material. Low areas in the 5. When a wire mesh support fence is used, space posts a maximum of 8 ft, apart..
"r or peat humus, all from C Specification # 6. 06 - Construction Specifications subgrade on undisturbed sol may also be filled by increasing the riprap collars. Place the fill material around the pipe spillway in 4tina;: .avers an
conditioned in storage piles for at least 6 months after excavation. compact it under and around the pipe to at least. the some density a, the Support posts should be driven securely into the ground to a minimum of 18
Sand-clean and free of toxic materials i thickness. inches.
t entrance and exit area of all ve elation, rants and other 2. The riprap and gravel filtr must conform to the specified grading limits adjacent embankment. Care must be taken not to raise the pipe from firm contact 6.Extra strength filter fabric with Eft post spacing does not require wire mesh
1. Clear he 9
' ctionable material and ro erl rode it. Vermiculite-horticultural grade and free of toxic substances. with its foundation when compacting under the pipe aunt es.
oG_1e p p y g shown at the plans. support fence. Staple or wire the filter fabric directly to posts.
Rotted manure-stable or cattle manure not containing undue amounts of straw or Place a minimum depth of 2ft. of hand-compacted backfill over the 1):;.a spillway
2. Place the gravel to the specific grade and dimensions shown on the plans and 3. Filter cloth, when used, m,,t meet design requirements and be properly 7. Excavate l trench approximately 4 inches wide and 8 inches deep along the
other bedding materials. before crossing it with construction equipment. Anchor the riser i:. ;,lace by
smooth it. protected from punching or-t:aring during installation. Repair any damage by
Thoroughly rotted sawdust- free of stones and debris. Add 6 lb. Of nitrogen to concrete or other satisfactory means to prevent flotation. In no ca.e should the proposed line of posts and upslope from the barrier (figure 6. 62a .
3. Provide drainage to carry water to a sediment trap or other suitable outlet. removing the riprap and pl •ing another piece of filter cloth over the 8.Backfiil the trench with compacted soil or gravel placed over the filter
4. Use geotextile fabrics because they improve stability of the foundation in each cubic yard. pipe conduit be installed by cutting a trench through the dam after the
Sludge -Treated seviage and industrial sludges are available in various forms: damaged area. All connecl7g joints should overlap o minimum of 1 ft. If fabric.
locations subject to seepage or high water table. the damage is Extensive, rcla,:e the entire filter cloth. embankment is complete.
these should be used only in accordance with local, State and Federal 5. Emergency spillway-Install the emergency spillway in undisturbed oil. The 9. Do not attach filter fabric to existing trees.
Maintenance regulations. 4. Riprap may be placed by egipment, but take care to avoid damaging the Maintenance
filter. achievement of planned elevations, grade, design width, and entran�:� and exit.
channel slopes are critical to the successful operation of emergence spillway. Inspect sediment fences to least once a week and after each rainfall. Make any
Maintain the gravel pad in a condition to prevent mud or sediment from leaving 5. The minimum thickness of t1t riprap should be 1. 5 times the maximum stone required repairs immediately.
a re ulna eriodic to diessin with 2-inch stone. Species Selection 6. Inlets-Discharge water into the basin in a manner to �:revent eras :;n. Use
the construction site. This m y q p P 9 Use the keyto Permanent Seeding Mixtures (Table 6. 11b) to select the most diameter. Should the fabric ce i sediment fence collapse, tear, decompose or become
diversions with outlet protection to divert sediment-la:en water to the upper
After each rainfall, inspect any structure used to trap sediment and clean it o Taste seedin mixture based on the general site and maintenance factors. 6. Riprap may be field stone rough quarry stone. It should be hard, angular, end of the pool area to improve basin trap efficiency ( ,afar ences: 'unoff ineffective, replace it promptly. Replace burlap every 60 days.
out as necessary. Immediately remove all objectionable materials spilled, appr p t g
A listing of species, including scientific names and characteristics, is given highly weather--resistant aid well graded. Control Measures and Outlet Protection). Remove sediment deposits as necessary to provide adeyuote storage vnluma or e
washed, or tracked onto public roadways. 6. Construct the apron on zero tirade with no overfall at the end. Make the top
in Appendix 8. 02. 7. Erosion control-Construct the structure so that the disturbed area is next rain and to radu,:e pressure on the fence. Take care to avoid underminiry
of the riprap at the downs cam end level with the receiving area or slightly the fence during cleanout.
below it. minimized. Divert surface water away from bare areas. C mplete the nbankment
Seedbed Preparation before the area Is cleared. Stabilize the emergency spillway embanlcnent and all Remove all fencing materials and unstable sediment deposits and bring the area
Install necessary mechanical erosion and sedimentation control practices before 8. Ensure that the apron is poperly aligned with the receiving stream and other disturbed areas above the crest of the principal :pil'lway immediately stabilized.
grade and stabilize it after the contributing drainage area has beer) properly
Te m orOr See in seeding, and complete grading according to the approved plan. preferably straight througkrut its length. If a curve is needed to fit site after construciJon (References: Surface Stab'lization). stabilized.
_ �--X---�---9 Lime and fertilizer needs should be determined by soil tests. Soil testing is conditions, place it in i". upper section of the apron. Avoid steep
Specification # 6. 10 - Specifications performed free of charge by the North Carolina Department of Agriculture soil 9. Immediately after construcion, stabilize all disturbed areas with vegetation side slopes,
basins may attract children and can b dangerous. p
(Practice 6. ]0, Temporary e•eding, and 6. 11, Permanent Seeding). side slopes, and fence and mark basins with warning signs if trespo sing is
Complete grading before preparing seedbeds and install all necessary erasion testing laboratory. Directions, sample cartons, and information sheets are likely. Follow all state and local requirements.
available through county agricultural extension offices or from NCDA. Because Maintenance -1.1,d
control practices, such as dikes, waterways and basins. Minimize steep slopes the NCDA soil testing lab requires 1-6 weeks for sample turn-around, sampling Inspect riprap outlet strucLuira after heavy rains to see if any erosion around Maintenance
because the make seedbed preparation difficult and increase the erosion hazard. must be Tanned well in advance of final grading. Testing is also done by or below the riprap has takenplace or if stones have been dislodged. Check sediment basins after periods of significant runcFf. Remove s,rliment and
Y m p 9 FIQTF. WELL:
If soils become compacted during grading, loosen them to a depth of 6-8 inches commercial laboratories. Immediately make all needed r,�,airs to prevent further damage. restore the basin to its original dimensions when sedin,:nt accumulc`es to one- ANY AREAS ON--SITE WITHOUT ACTIVITY IN A 15 DAY PERIOD
using a ripper, harrow, or chisel plow.
When soil test are not. available, follow rates suggested on the individual half the design depth.
specification sheet for the seeding mix chosen (Tables 6. 11c through 6. 11v). S1iAL.I_ BE TEMPORARILY STABILIZED A5 PER THE SPECIFICATIONS.
Seedbed Preparation Check the embankment, spillways, and outlet for erosion damage, an-: inspect tl.e
Good seedbed preparation is essential to successful plant establishment. A good Applications rotes usually fall into the following ranges: ^,..� embankment for piping and settlement. Make all necessary repairs in:.EJiately.
seedbed is well-pulverized, loose and uniform. Where hydroseeding methods are - Ground agricultural limestone Remove all trash and other debris from the riser and pool area.
used, the surface may be left with a more irregular surface of large clods and Light-textured, sandy soils; 1-1 1/2 tons/acre ��� Apron= P Apron=
Y Heavy textured, clayey soils 2-3 tons/acre �P P soak to top o, pipe
s tunes, q I I Apron=l' - I Apron=1' o both sree9
Liming -- Apply lime according to soil test recommendations. If the pH (acidity) - Fertilizer. y = -
Grosses 800-1200 lb/acre of 10-10-10 (or the equivalent) I P La-20 La-20 w EaP
. - the _ _ _ _ _ __ - I �L -� �-- o� r._l i_
Fabric Dro Inlet Protection Tem orar irsnrtvtrN7
of the soil is not known, an application of ground agricultural limestone at Grass-legume mixtures: 800-1200 lb/acre of 5-]0-10 (or the equivalent) �- - � - -X� _ -
rate of ] to 1 1 2 ions/acrr; on coarse-textured soils and 2-3 tons/acres on Specification # 6. 51 - Constr ':lion Specifications 30"RCP - 18"RCP - - -
n o° --- A
,-of° to ��y_...OUiLET PIPE
apply lime and fertilizer e'eenly and incorporate into the top 4-6 inches of soil 1. As synthetic fabric, use a tervlous sheet of nylon, polyester, or ethylene "�'" ° a000°o o°o°o
fine-textured soils is usuall ; sufficient. Apply limestone uniformly and I y J '--'
f. or hi her t by disking or other suitable means. Operate machinery on the contour. When yarn-extra strength (50 lh ,l inch minimum) -that contains ultraviolet ray -
incorporate into the to 4-6 inches of sail. Soils with a tH of g 1 fin:' and fertilizer to a rough,h, loose surface. °or°000 - 000°°0 4a°o°o° 000c o Sec Nnrrative for
P using a hydroseeder, app y 9 abilizers. Fabric should be sufficiently porous to provide / -I I� oddlu. detach
need not be limed.
VV thane are not possible, adequate drainage of the. t.enperary sediment pool. Burlap may be used for ��°DnQo -o°nqo
NC r 1"IE L I /
Fertilizer- Base application rates on soil tests. When I Roughen surfaces according to Practice 6. 03, Surface Roughening. short-term applications. " slst be replaced ever, 60 days. A' CC)OF DRP,INS A.ND DRF,Ir'IAGE _ ` 2'rnln.
10 10-10 grade fertilizer at 700-1, 000 1b. /acre. Both fertilizer and breakin u large clods and raking into a PP p -
OUTLET JO P AND 5' OUT[ET ERQIi OPJD ��
apply a g Complete seedbed preparation by g p 9 2. Cut fabric: Tram a continl:; roll to elimir.ate joints. 11' 6'MIN I 11' 25_ Ff' ,�N�' TI,iPFRVIIrI-I5 SIJRrACES lO Natk: FILaL•F2 F:.P_RtCts-ro
to 4-6 inc.ns of soil. f a h draulia ca, „ 1 ban }
--� -of--.i• o- �•�- � �"10:�:611,•, - �/1D:-:6fp9� QE PL4CEU UhIL`ER 4ii_ 3T6NfC i
lime shculri Ge incorpuroted int th p I , smooth, uniform surface (.^•I:,pe less than 3: 1) I ,1 in or l..rel depress ons t
. -1 e, t : ,._ then an M; P _ Y
.., a.. ,_ ,. � ,� .... :t-_ F,.�... � _ _ .. _ ,,�,.,.t :t,., r,�::. , .nee a eferre r or q tvalen . metal w, h a I '�-,.-i)1 L.,if.l) l ., P,.FI<Ir`., _OF �� TEcnc
o it tlf- :: u.�.._. ..v: ,,...-. ...,.: .. .., ... v .. .. . �. .... -.. I I V .� I l ..
For stakes use 2 x ' ', w: r d� e u' 't �t f<' '' � . aU11kT P4.(JjI II
1 ! .,. ._. .I�_ . + \ I 7 ,rr ....1 i.... -v^• "R C ._rT .L..: .. _.r ,.,icr:l
can c,�,]act. wale, . Lt. .. cP .,at fi t r � I t ,1- usn Nlr xc I r i4 ,-!
application-ication- win in;um err rr.a ,
PP been sealed by raintall. 4. S1)ace stakes everfy ,`-.t„ " .- ;:animater of the inlet a maximum of aft.
Surface roughening- if recent tilla operations have resulteo in a IL _a �, I I - --- - - ---
apart, and securely di i✓e - :m into the ground, approximately ]e inches deep. .i EhdBANKM; NT TOP= fi,3 a TTI_ED 6.5 ( {;r_!51RIIhlEL))_ ,t rL ! �'J J CIl.�1
surface, additional roughening may cl be required except to break up large `.
clods. If rainfall causes the surface to become sealed nr crusted, loosen it 5. To provide needed stabilt_; "a the installation, frame with 2 x 4-inch wood � � __.__.____ -_
II NOT TO S:,4LE l 1 a r ' 0 11
t seeding b disking, skint; harrowing, or ether suitable methods, strips around the crest a, II,- overflow area at a maximum of 1. 5 ft above the - - -- �J��- � �� �ti" �� a r �( ':Y'e
just pr i of c g y ] 7 -, J n 100--YEAR WSEL= 6.0 Er?ERGENCY SPIT L. l--- _5.7= -
Groove or furrow slopes steeper than 3: 1 on the contour before seeding (Practice drop inlet crest. p lU y>E .R WSEL- 5.7
Ei: 03, Surfaca Rouyheniny). 6. Place the bottom 12 inches of the fabric in o trench and Gackfill the trench a -- RD 13 RCP
w
with at least 4 inches of bushed stone or 12 inches of compacted soil. - 6 WEIR CUT ELEVATION = 4,5i _
TWO SfA.NDA
7. Fasten fabric securely Lo he stakes and frame. Joints must be overlapped to ®p Li SHELF -- 2°X3' GRATES
Plant Selection r NORMAL WSEL= 3.00 INVERT OU = 3.00 the next stake. F- 24 LF 18" RCP -- -- -- - -� --- NCDOT OR EQUAL
Select ar, a ro r late species or species mixture from Table 6. IOa, for seeding - -- - -----
PP P F P Table 5. 11s - Seeding No. 4CP for: 8. The top of the frame and f,bric must be well below the ground elevation down 0 6:1
and earl spring, Table 6. 1O6 for suinmer, and fable 6. lOc for
----
in late winter y p 9 Well Dluined Sandy foams to Dry Sands, Coastal Plain; Low to Medium-Care Lawns _ _ - ____- _-__
slope from the drop inlet o keep runoff from bypassing the Inlet. 1t may be ANTI-SEEP CO_. 1.-= 1.0
fall. Seeding mixture necessary to build a temporary dike on the down slope side of the structure m,; O 0 L-7-
---
...............................
S cotes - Conti ode rass - Rate - 10-20 lb acre seed or 33 bu acre (sprigs) p y ANTI-SEEP BOTTOM SWM S__ TJP.E EI 1.0 „--
p p g / (seed) / to prevent bypass flow. Mter[al from within the sediment pool may be used EI.EV= ��\ - _ - -
Seed in9 Seeding dotes - Mar. - June, (Sprigging can be done through July where water is for diking. COLLAR, 4.5 /�//\ C-7� C�
seeder broadcast drill, cult.i acker seeder,
Evenl ❑ 1 seed using a cyclone se (broadcast), P available for irri anon.
Y IP Y 9 ) Maintenance SEE DETAIL �\\/\\\/\\ r� �� �� e- to� j cI
seeding / /
_�_l
e 8. 10a 6. IOc. Broadcast g 3O0 - d. �t �-
or h droseeder. Use seeding rates given in Table - Apply lime and fertilizer according to soil test, or apply Ins act the fabric barrier afar each rain and make repairs at needed. / /
y 9 Soil amendments pp y 9
and hyroseeding are appropriate for steep slopes where equipment cannot be lb/acre 10-10-10. P
driven. Hand broadcasting is not recommended Gecause of the difficulty in Remove sediment from the pool area as necessary to provide adequate storage o 0
\\ \\ OLD C�L� `I'
Sprigging Plant sprigs in furrows with a tractor-drown transplanter, or volume for the next rain. Tak care not to damage or undercut the fabric during \ \ s� d L-1 WEIR
achievin a uniform distribution. Small grains should be planted no more than 1 .,,........_„_.,,,.„...,,,•.„.,....,,.,
9 broadcast by bond. sediment removal. 14' \//\///\\//\ BOTTOM El- -4.5 ��- CUT
inch deep, and grosses and legumes no more than 1/2 inch. Broadcast seed must __-_ __-- -_ -
edmu or Furrows should be 4-6 inches deep and 2ft apart. Place sprigs about. 2 ft. apart When the contributing drainaq: area has been adequately stabilized, remove all \ \ --"--- -
be covered by raking or chain dragging, and then lightly firmed with a r in the row with one end at or above round level Fi are 6. 11d '////// r �v r\. �`7 - - -- - -
ulti packer H droseeded mixtures should include a woad fiber (cellulose} mulch. 9 ( g )' materials and any unstable s+aliment and dispose of them properly. Bring the \ \ \ \ \ -- - -
a P Y Broadcast at rates shown above, and press s ri s into the to 1 1 2 inches of /\\/\ \\//\/\\//\\ *\,//"// 5"� r`�4� -5
p sprigs P / disturbed area to the grade o` the drop inlet and smooth and compact it. \/ / / / /\• I �I
soil with a disk set straight so that sprigs are not brought back toward the Appropriately stabilize all I.nre areas around the inlet. -; \ \ \ f
14' 39' _ Q_
Mulching.
The use of appropriate mulch will help ensure establishment under normal surface.
conditions and is essential to seeding success under harsh site condition Mulch - Do not mulch I - - _- - - - IRATE tN
Maintenance - Fertilize very sparingly- 20 lb/acre nitrogen in spring with no . . E TOP -_--_ -
(Practice 6, 14, Mulching). Harsh site conditions include: -- I
-seeding in fall for winter cover (wood fiber mulches are not. cartsider'ed phosphorus. Cer,tipedegrass cannot tolerate high pH or excess fertilizer. r V \�
PLAN I .� PLA.N_. VIEW
- ---
EMBANKMENT SECT_ICON �t-rf
adequate for this use), i
-s]o es steeper than 3: ], �- - -- �L_�_�
-
p Table 6. 11t - Seeding No. SCP for: Well-Drained Sand Looms to Dr Sands; Low NOT TOJ3CAl.E - 4 � 4� I I WEIR � l_ 4
-excessively hot or dry weather, Y Y Sge Gradin g - - - - 0
Maintenance p ification # 6. 02 - Conslr'u.kion Specifications I.t1 i CUT p" 1
-adverse soils(shallow, rocky, or high in clay or sand), emd � I
Seeding mixture i.Coftstruct and maintain all eosion and sedimentation control practices anal
rh
_. J - �.
-areas receiving concentrated flow. F / 1-- - ., -tt_.
___`�l
ncenlrated vratrr '!;.:: is in channels,
Species Rate (lb/acre) me sores in accordance with .he approved sedimentation control plan and ,
If the area to be mulched is subject to co pp
anchor mulch with netting (Practice 6. 14, icentingl. Pensacola Bahiagross 50 colnstruction schedule. I.r' GRAVEL,
COMPACTED FILL OR
II
Sericea lespedeza 30 2.Remove good topsoil from orals to be graded and filled, and preserve it for WELDED BAR 110DED RAR, GRAVEi-, EXTENSION
Common Bermudagrass 10 us !n finishkn the radin of all critical areas. TRASH RACK /I Al 0.4LV,4t1,ZED, OR OF FABRIC AND WIRE ;;y.
9 g BOLTED IN PLACE EL=5.5 GRATE TOP \. ��\", _ r ro INTO THE TRENCH NOTE: `f'
German millet 10 3- Sc rify areas to be tapsoilei to a minimum depth of 2 inches before placing ////,/�/ Et�1JIlA(ENT SEE NARRATIVE
ry�'
to soil (Practice 6. 04, Tops)iling). __AA �j�\\/'\\��\\� Jr FOR MORE DETAIL. "'
Seeding Hates 4. Clear and grub areas to be i 'led to remove trees, vegetation, roots, or other 90`ELBO W DOWNFTT
3 / K�/r
1. Where a neat appearance is desired, omit Sericea objectionable material that v;uld affect the planned stability of the fill. $"BELOW WSEL J. WEIR 4 ' 1j- / _ -- ISOf11EfRIC VIEW FILTER
_. !._ate Winter and Earl Spring 2. Use common Bermudagrass only on isolated sites where It cannot become a pest. 5. Ensure that fill material is free of brush, rubbish, rocks, logs, stamps, EL=4.5 4' _- FILTER FABRICTable 6. IOa Temporary Seeding Reaornmendation for Y ��4 --' EXTENSION OFSeeding mixture Bermudograss may be replaced with 5 lb/acre centipedgross. building debris, and other niteriala inappropriate for constructing stable - -
nd Coas to l Pl ai n f ills. WSEL= . --$ _ 18" RCP -� 5.0' BACKFII_L FABRIC jlAB IC AFJTR WIICFI \�'
Species- Rye(grain), Annual lespedeza (Kobe in Piedmont a Seeding dates - Apr. 1 - July 15 OUTLET 1 - -- MINIMUM 8" �f
Rate (lb/acre)-- 120 6. Place all fill in layers not to exceed 9 Inches in thickness, and compact the 3.0 INV- PIPE ►^- THICK LAYER --WIRE
Omit annual lespedeza when duration of temporary cover is not to extend beyond Soil amendments - Apply lime and fertilizer according to soil tests, or apply ]a,yers os required to reduce erosion, slippage, settlement, or other related - 3 DO - -
3, 000 lb/acre ground agricultural limestone and 500 lb/acre 10-10-10 fertilizer. _ �lN V=3.00 .WIRE FILL CTED`�
June problems. yy, OF GRA,VEI_. FILL
Mu 1 c h 9"GONG. ri
Seeding dates--Coastal Plain - Dec. 1 - Apr. 15. 7.Doi not incorporate frozen mc.erial or soft, mucky, or highly compressible c or GROUT \
IL/acre Apply 4. 000 lb/acre grain straw or equivalent cover of another suitable mulch. materials into fill slopes. E>"Mllllh,lUlvi ��/ r////./
� ` B I.'Ilr„;MUM 1 z
Soil amendments- Follow recanunendations of soil tests or apply 2. 000 1L/o q 9"SUMP - _- -
ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer- Anchor by tacking with asphalt, roving and netting or by crimping with a mulch 8. Do�i not place fill on a froze, foundation, due to possible subsidence and �- - for CLEANOU7 �,'-TREiICN -I_ ` �/`r �_ o '
Olb acre straw. Anchor straw b tacking with asphalt, netting anchoring tool. A disk with blades set nearly straight can be used as a mulch sliippage. 2-1/2" PERFORATED MOTE: C011-AR TO BE POURED AFTER 1.5'
Mulch-Apply 4, 00 / Y _-_
with blades set pearl strnl ht. can be used anchoring tool. 9.Kelep diversions and other weer conveyance measures free of sediment during PVC W/ GRAVEL - PIPE is IN PLACE. k'Ir1 J 1 J"Pr1NIp,,4llDl 4"MlRllr•AlJfe-1
or a mulch anchoring tool. A disk Y 9
Maintenance - Refertilize the followin A r. with 50 Ib acre nitro en. Re eat AND FABR/C FILTER � � "- REINiCrCCJG ,4S NEEDED ��'
as a mulch anchoring too]. y P / g P allil phases of development. EL- 1.0 6"BASE SECTION SECTIOrJ.
Maintenance - Refertilize if growth is not fully adequate. Reseed, refertilize as growth requires. May be moved only once a year. Where a neat appearance is 10. Handle seeps or springs encontered during construction in accordance with POND B D TTOM
and mulch immediately following erosion or other damage. desired, omit sericea and now as often as needed. approved methods (Practice F81, Subsurface Drain) A TI-8"'EEP COLLA g p�
rmanently stabilize all graded or immediately after final grading is ELEV= -4.5 SECTION VIEW -- --- -- EIflEl�T t SIT FENCE
i 1. Pali
Table 6. lOb - Temporary Seeding Recommendations far Summer ca'mpleted on each area in th grading plan. Apply temporary stabilization POND BOTTOM MAY BE OVER- 4'x 4Precost Conc.Box, NCPRODUCTS 4848 :'R E0114'ALE.NT n10T TO SCALE
Seeding mixture Table 6. 11v - Seeding No. 7CP for: Grass-lined Channels; Coastal Plain
melasura on all graded or ear when work is to be interrupted or delayed for 30 EXCAVATED FOR SEDIMENT STORAGE Practice 6.62
Species-German millet Seeding Mixture Ensworure days or longer. p A
Rate(lb/acre)- 40 Species -- Common Bermudagrass - Rate - 40-80 (1/2 lb/1, 000 ft ) 12.Erjsure that topsoil 1 stockplla, borrow areas, and spot 1 areas are adequately CUTLET STRUCTURE DETAILS
��
Seeding dates-Coastal Plain- Apr. 15-Aug. 15 Seeding dates - Coastal Plain; Apr - July protected from erosion mpot , y th mpororyseedin and final stabilization measures, including - - - - '- -- -- _-
Soi l amendments-Follow recommendations of soil tests or apply 2, 000 lb/acre sediment fencing and tampon, y seeding as necessary. �.r.r.® ��� REVISED AS PER DENR � DWQ COMMENTS 5-16--00
Soil amendments - Apply lime and fertilizer according to soil tests, or apply
ground agricultural limestone and 750 lb/acre 10-10-10 fertilizer. 3, 000 lb/acre ground agricultural limestone and 500 lb/acre 10-10-10 fertilizer. Dana.
000 lb Dare straw- Anchor straw by tacking with asphalt, netting Maintenance GEI'IERAL EROSION CONTROL. SPECIFICATIONS and ADDITIONAL DETAILS for --
Mulch -Apply 4, / Mulch - Use jute, excelsior matting, or other effective channel lining material �T - -
or ❑ mulch anchoring tool. A disk with Glades set nearly straight can be used to cover the bottom of channels and ditches. The lining should extend above the Periodically check all gradedareas and the supporting erosion and sedimentation A R R 1� '� CHT C�J l `j.le 30-o0
as a mulch anchoring tool. highest calculated depth of flow. On channel side slopes above this height, and control practices, especiallyofter heavy rainfalls. Promptly remove all C�L �-• r Scale:
Maintenance-Refertilize if growth is not fully adequate. Reseed, refertilize in drainages not requiring temporary linings, apply 4, 000 16/acre grain straw sediment from diversions and ther water-disposal practices. If washouts or "A MARINE ORIENTED STORAGE L,�N1 ��v1�N�lj "and mulch immediately following erosion or other damage. and anchor straw by stapling netting over the top. bre ks occur, repair them immdiately. Prompt maintenance of small eroded areas - 50' LOCATED IN MA SONBORO TOWNSHIP AS sr�o��r�
before they become significan gullies is an essential part of an effective
Table 6. 10c - Temporary Seeding Recommendation for Fall Mulch and anchoring materials must be allowed to wash down slopes where they can I 25' - 25' NEW H.ANOVER COUNTY, NORTH CLIROLINA ---- - _- --- ----__ - Drown:
era ion and sedimentation conrcl plan. -�
clog drainage devices. -_________.___._
Seeding mixture Maintenance -A minimum of 3 weeks is required for establishment. Inspect and 18.5' 18.5'
S eciEs-R e rain 16.5' 16.5' ,��%`�\k'CAROtr•s,, OL1/HER: BARNARDS ( RrEK L C Chocked:-
P Y (grain) repair mulch frequently. Refertilize the following Apr. with 50 lb/acre
Rate(lb/acre) - 120 8
Seeding dates - Coastal Plain and Piedmont-Aug 15 -- Dec. 30 nitrogen. ��} p �/ q 2��l02 -� -
o> �.Nsysre rrr rV L30 10 ____ _
Soil amendments - Follow soil tests or apply 2, 000 lb. /acre ground ogr'i i fur. l 1 �^ I-2 ASPHALT ��+a��.°,MESS ��c` '� rr
limestone and 1, 000 lb/acre 10 10-10 fertilizer. Refer to Appendix 8. 02 for botanical names 1`'/ FT. 4 /FT. 1/4%FT. 1"/ FT __ 3;1 � ;�}� �„� : Lv��.-M�NGTC)iV, NC: Project No
Mulch-- Apply 4. 000 Ib/acre straw. Anchor straw by tacking with asphalt, NOTEiiI' LL' � - �` 0 Pr =. 910=.392-6$70 - --_-- - ��
r a mulch anchorir, tool. A disk with blades set nearly straight can : SEA o >a75F5`C2
netting, 0 9 EROSION CONTROL DETAILS ANL SPECIFICATIONS ARE AS PER THE "EROSION - - -
be used as a mulch anchoring tool. 6" ABC �� 2(�CCx f
AND (SEDIMENT CONTROL PLANfNG AND DESIGN MANUAL" OF THE STATE OF
Maintenance Repair and refert ft
ilize damaged areas immediately. Topdress with 50 NOR I CAROLINA, DEPARTMENIOF ENVIRONMENT AND NATURAL RESOURCES, CURB & GUTTER
lb/acre Maintenance--
nitrogen in March, if it. is necessary to extend temporary cover HANOVEn DESIGN SERVICES, P.A. Sheet No:
NOTE: LATAT EDITION. PRACTICE UMBERS REFER TO THIS MANUAL. ' O `���..'.. %� 2
beyond June 15, overseed with SO lb/acre Kobe (Piedmont and Coastal Plain) DETAILS SHOWN ARE TYPICAL OF INSTALLATIONS REQUIRED BY NEW HANOVER COUNTY.
THIS SHEET DOES NOT PURPORT TO SHOW ALL REQUIRED CONSTRUCTION DETAILS, BUT CONTACTOR IS RESPONSIBLE OR h1.41NT,41NING A COPY OF THIS MANUAL ,rr�/ ��y• NO� e°, LAND SURVEYORS, ENGINEERS & LAND PLANNERS
TYPICAL PPI VA TE STREET ( ETA,.:
RATHER SERVES AS A GUIDE. THE CONTRAC70R IS RESPONSIBLE FOR ADHERING TO ALL ON-SITE AND ENSURING THAT .LL SUPERVISORS THE ARE FAMILIAR WITH THE �'' r c��eee�e 319 W4LN91 STREET 1
COl1TY AND STATE CODES AND CONSTRUCTION STANDARDS. STANDARDS AND SPECIFICATIODI� SHOWN IN THE MANUAL AND ON THE PLAN. % 2
""""-"""�""' -"" t i..a-�_ " "`"-- I WILMINGTON, N C. 2840
NOT TO SCALE -- �' PHONE: [phone]z �-
- ---- -.-_-_..- ----

EI;;o
DATE DESIGN CRISER TROUTMAN TANNER 5H
A /J
�* jA l ¢: Wilmington, CONSULTING ENGINEERS North Carolina OF
CHECK JOB FOR JOB NO.
R,,l�",- ..e. `,tad._ •�a-�. � - rs, � -..., ,
. ,� .{ �, {.. •� 'G..4,;,ten„
a .
As
o,74
I
6�
7SE,
P � �4 /� d to p a D t4 S�
�-

DA E DESIGN CRISER TROUTMAN TANNER EOF
-«� ' 9 CONSULTING ENGINEERS North Carolina{ Wilmin ton, f]
CHECK JOB FOR JOB NO.
ilk t 1
t
le
te<�'.A�f� i'.i. `.•.'`�.�;�.v�w+Uws f4 �_• � a 1 /.nt-`z..w�' ......_ .�.. ._.....� �� �..,-.......F'��.-
e`►
r�
RECEIV :,.F '.K.
s w$ ©� �k©
BY. -
,SCtq�f 16 wa Vic
L-4LO f 7 5
N� rc1 , ©08 At6p