SW8990533_Approved Plans_20010612

1 " - 100'
C.I.
t.4 1
PROPOSED D.I. NO. 1-
RIM 13.9
INV. 11.Ot
(MATCH EXIST. INVERT)
PROPOSED D.I. NO. 2-
RIM 12.0
INV. 8.0f
(MATCH EXIST. INVERT)
G EXIST. 18" SD
1 p� �
all- 7=7
a
00
0 �
N EXIST. 18" SD
00
PLUG EXIST. 18" SD
EXISTING
RIP RAP
TO REMAIN
1 " = 30'
OTORVvivvi"�J' 1- 1
3 w fill N Nmlmlwl�
419 Chestnut Street
Wilmington, North Carolina 28401
Phone [phone]
Fax [phone] �-
CQ Z001 TRIPP ENGINEERING, P.C.
APPROVE
KOWH OAROLINA ENVIR{VMI4
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
O ggn5-33
- co
-
.t�.ac
DATE 06-05-01
DESIGN PGT
ESS/
DRAWN MVL
S E A L
17374
CjA •�1GIt1�'••'` \�
SHEET 1 OF 1

C.I.
4.4
2.4
PROPOSED D.I. NO. 1-
RIM 13.9
INV. 1 1.0±
(MATCH EXIST. INVERT)
=21611 0 a a 0
RIM 12.0
INV. 8.0±
(MATCH EXIST. INVERT)
PLUG EXIST. 18" SD
NJX 'b 'b Oq-
0 0
0 Oj
00 0 —100
ABANDON EXIST. 18" SD
PLUG EXIST. 18" SD
EXISTING
RIP RAP
SECTION A -A TO REMAIN
1 30,
P,
e% 0 L=
To
APPROVED
NORTH CAROUNA ENVInoNMENTAL
MAt4AGEMENT COM7AISS'ON
DIVISIOt4 OF WATEI'z CJ'ALITY
DdG
PLAN 6-tormwater Permit Igo33---
"L 4L
1" = 1009 -Fo' JJJ i 'p �"s
rj S�21+ 4141
CIT)PAJ 6) q
-"moo-" DATE 06-05-01
STORMWATER MANAGEMENT PLAN
""RIPP EIN' G I N E E R" I N G" p DESIGN PGT
IN-% Ir 419 Chestnut Street ess/ DRAWN MVL
CREEA0 Er"D`E
E
Wilmington, North Carolina 28401 S A L
A r."
17374
Phone [phone] ci
Aviv JACK"E"Y'S CN"EEK IN �
Fax [phone] SHEET 1 OF 1
@2001 TRIPP ENGINEERING, P.C.
BRUNSWICK COUNTY, NORTH CAROLINA 1 99053

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-- -- ` J((y�s b , �... �1 , !/ \ SWAL f V f/ t ( MAP
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to
1170
.w 1
`•►. \
JVA
% Seeding mixture
Specks flntn (Ibtaere).
/ / / f - !'. �,.. '•",� / �i / - - a `® ! \ Tall fescue - 10
3
Sericea lespedeza 0
kobe lespedeza 70
lo /? 30�, Seeding notes
`
Of / (/ - e �. • • / "mi.A; I . `A• 1.1n Eastern Piedmont add 251bracre Pensacola Bahiagrass or 10lb/acre
,
' • - �` t� .f / - ► �.• � ®' :. ® / - ' - _ - common$ermudagrass. Use common Bermudagrass only where a is un-
likely to become. a pest. - -f
- Ny, y• �• I , - �y / t■�• -,�► ® - 2. After Aug. IS use unscanfied sericea seed.
.,/�� k e -.... mil ric a n.-substitute 40
• ✓� Q �''1, [/�, O • .. 3. Where aneatappearance is"desired, omit se c a and t
�` /✓J : / tr1� • Vs�+ .i► ®�,,.. Ib7acre Bahiagrass or 15lbiacra Bermudagrass.
•�, Qa• •' .•,�,.: / ®- 4. To extend spring seeding dates into June. add 15 tbracre hulled Sor-
'. ®� mudagrass: However, k is prvferab'e to seed temporary cover and sued: '
�( � r G � �" \ � �6A� ,..+ \• ,.../ kscueinSept.
� sit � 1� �Mi � ,•({� ,•. � I � t C �- ► 5 ��® �.�1 -- jJ �' � e 2 `
Y 17 f �' 2 4 �� .7 i "•+.... Nurse plants
t•+ \ / 27.
' � {1 � 2 ,• �.� - " \ � �/ � Between May 1 and Aug. 75. add 10lh+acre German millet or 251btacre
.- - _ " " ..�..- "'��.,. . �. ( / /. j� Z T", • . \ � : \ Sudangrass: Prior to May i or after Aug. iS, add 401Wacre rye fgrainl
� �.✓ rd. mac° �`' � U2�.
2 ��. \ �. � t„ •� pA 0`� � _ Seeding dates
�..... _. •r,.- ., /� 'f� /: /. �,./. 5� :pQ .� �..::ispo.')dA ..Best Possible
/ i ' w. , fDZ� ,ew. • __L(, Q �� t.15 Aug. 20. Oct. 25
='••'_ � �,�/,►. ""' /• � Qj Q � - i3 � Fall: _.. Aug. 2S Sep 9 _..
• •�Jr, f hates best Feb. t5-:Mac late
Feb. t . Apr..- 5
I + j \ V /1 ,Af �� ... � � �• � Pall is best for tall fescue and taty winter for tesaedezas. Overseedmg of
' \ •••^ /A ~ `-r - J •' • ` .o. `, Kobe lespedeza over fall -seeded tail fescue �s very effeGive. Use unhutled
f� YI Z /yam /(, -
.,J o .. Ii • a ' ` � \' ?. W -� \ ` Bermudagrass seedmtall
_ ` ;
' 7 0 ` \ ® Apply amendments
L / ^.
t 7 ✓ b •. \ Apply lime and fertilizer according to soil tests.. or aPPIY 4,000 fbtacre
G, \ �, e � ,_/ ,r,.,,... � • \. �\'` i ground agricultural limestone and 1,000 ibracret0-t0-tO fen;Iizer.
• Y J'� (X ��.. .�... ,mm► ,� �0� u! 4 00 \ Ism �.. T + '. -. - _ '...1.
p/ (—.� GONG. � o � �-'l � / � \ \ �• V� � \
�/ ` •--..•.'\ Mulch
Apply 4.000-5.000 Ib+acre. grain straw, or equivalent cover of. another
.. - / +�•+. U �. j`?y �• � , ,� • - % �• - ® suliable mulching material Anchor much by tacking wr.h asphalt, roving,
t �^'� i-' �` J �'%°/ / "'W' ..,mom„ �• «- -i ' L.•7T`�' y \ 3 �) tw� / of netting. Netting is the preferred anchoring method on steep slopes.
,m � � J +` � � �r J ®/ \ \ Q a \ t Maintenance
••'� �Y. .. J1� •� \ r m. \f� �S Refertifize in the second year unless growth is fully adequate.. May be
4 J / •I �• �-- •�� (/r'��\ ° / -$ '�� / �j�-- �/ \ S : �. u% mowedonce or twice a year, but mowing is not necessary. Roseed:lertih
ii � �i + ^ � �(Y'�/ f �,�• / � �(/�r . {V/ " � � / ' \ ,� ®. - _ �Vi ,� ize, and mulch damaged areas immediately.
'RefoutoAppendx8.02forbotanicalnames.
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A AO,- Q 4- Stv C. _ to CONe. Rt me - 1ll 4 _
/ BACkfill miri.$-
to �! ftek �Y•y of 6 Filter tatxrc
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all Nei RM kre"s
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y FILTER CHECK DAM DESIGN
05 ! \'("S'rJN 4r.� � � � Q •.�,..•. ..w NOT TO SCALE
♦ le, WCUL!t
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- ....a•.•+ .rmai'••' 0,.rrsra rr s. .�rwas .•.r • ,� Off' -.. . �... �1 - fitttt tho k Aarefirst,
t ill be constructed ttrat
y - fitter thick. do■ height to bottom of s►illway. ; \\y .,i•^ \
'••'� �Ct .vial' be kw less than two last i\�\I�%f J�S} \i
- ••. - spillway depth awl he one toot ,l�'�/�� r �\
r...
�•,� ,,,.,,,,,,,�..,,. ,� ... +� r+ 6 one - filter atinto shenld be me less than 6
. +"•' •�••� �o �. «�• inches amttorad. pgeadicplerly from the
late of the iatga etsoe
i -Easy it.ensiont daeld o11" for a miaiww of
/ .. . 100 c! et sediment etoasgo -
6 - Depth of sediment to sump will be chocked alter each IH----VV
-
`. -•i ..._ • .. •tors and cleaned as necessary
t - Aswovat of titter 'Cheek dam will is dens to such a way
as to limit siltatiM. X- Sgt.-noN...or' F—est. DA,.•. -
�t y, �,, 'got v�J cl<; A laUNI) IK VY1UNj tG1C U Now UWZ cU �.
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' �,♦rm,se �.r-- .,.•."'° •r�+r" tea. a "�a�"r'. Y!'�" •' ®�. �,. 1.- am* s check zmdly ar v111 ►a constructed t1nt... ,a•t1
.. ,.. silt ascheck \N
O.1►'{ . * l - thirst, check dos height to bottom of spillway \% : \\y � .,�•• �/
will' he as lass. tkaa two fact
/►lllwy depth shall be a" feet
n•• iii , " _� �, l ,a,• ........a ♦ - filter stem fate sMa1d be ae loss than 6 ( ,
an"', Inches mativred from the
at
( • ® S - fuq dimensions should allow tar a sialmum of `�'� 1 �,��•�• tt'
o'el• •a.o I \ no tf at sediment storage t
• -.,.. Oath of: sediment to amp will is chocked sitor each.. :
y Z / �, _./ .. .. ' - state, end clo+aad es necessary-
tv v+r
Removal et filter check des will be dome in suet a way
as to limit. gilts too X^ Sa: c.•i.oa lot= F•�rca. pw
PF-rAI L ••G
/V.'�\, Toc�� GR C 1ou� �iP � �6WI44 coU Q-Ty NORM C•."
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1
� )
`� l , Seeding mixture
/ 'r^ �J ,• / / 1 •/ +•• ` \ \ \ .� ` \8-0 f Species' RaSo(lb/acre)
.♦e► ,.00, � y '\\V. a+v�/ / --. ( / ` �� <.® \+te , Tallfescus 100 \
/ � / ...� .L'•r. .. _ �` � / /1� � �„ � � � �J � / 1f t\ 04%� ` Series 30
Kobetespedezaza >D
Seeding notes
--' o • �' / / a� ! w•,a •' `• "r+a �/ oe ` 1. in Eastern Piedmont add 25 fb/acre Pensacola Bahiagrass or 101biacre
t t �0• �' 4 �`°P / t../ / / ` 4 1` ® �'® f /® •�mw Ilikm to become a p sts. Use common Berme y here it u 1 dagrassonl w n-
U • • ,. Q dd `... • V ,/ , ' ' 2. After Aug. 15 use ear a c ei s wire seed. _ }'
t -ice iJ• . ' ` ` \ • J/ '1 / •/ a .. 3. Whore"a seat appearance o desired, z serkea and substaute 40
.,l� �N`��P � j•jy ® ®�• iblacre Bahiagrass or 15 ib/acre Bermudagrass. '
® / 1 4. To extend spring seeding dates into June, add 15 lb/acre hulled Bar-.
seas' ""�" ""`a .,,,r�... - mudagras
® s. However; it is. preferable to seed temporary cover and seed
t {\ `
,w/ '+n• fescue inSept. -
dd$�r t0 G /' ` r 5 \.:/ f /�,. ® �% r �• 4 <',7eft.e Nurse plants
v !�'
j Between May 1 and Aug. a 15, add 101btae German milletor 551bracre
' - � � � � /� � % / } � ^ / Z • �(' �R Y_• • � - ®'�"" �'� -vL... .4 - Sudangrass. PrionoMay t or aherAug. 15, add4014/acre rye (grain). �.++
.• � ^- "^ '� .,,�. _� -. 6j : � '� �� \ /`� i � ` / �6./ `' �ltiY • �, • `/` ®® � Beetling dales \
L / �/ 2'r7 �� pQ ♦ ® ` S(�, Ora N \ � � Best Possible -.-
' _,•. -._ ...,r „`.. iR j \r ./� ' J( .. - .+' ...."' d �, Fall Aug. 25-Sept.15 Aug. 20.Oa.25 : s
/ --�• at A - y c
fr. - - t�� ! `� •� � , ' � a� , � Late wmtea. Feb. 15 -Mar. 21 Feb. i - Apr. 15
rle. ♦ ` ve,s
�' - _ � ••. L.`- � t `a -" ® Pali is best for tail fescue and late winter for Iespedezas. Overseaom of
�`e/ ..•��"'•w• _ ,f� �/ / \ OQ \ �' w'• �., - ®` `� •.�,• Kobeiespedeza over fall -seeded tail fescue is very effective. Use unhultlted -
Y / / / _ .•� /r, \��\A 03 / @7Z
n A� `... .(Q• ..rs .� ��� k ` i ® •\ Bermudagrass. seed in fall. ,
• \ ®: O Y Apply
l amendments
.// � \,� � Appy i+me and fertilizer according to soil tests, or apply 4000 Ibtacre
04r�. 1 r \ ground agricultural limestone and 1,0001blacre 10.10.10 fendizer.
` ' 1f� -
/ / ` .,.,.. ...•.. �+. tea...^+.. ® \� GME 4,0 ,`„at�� 4 \. G G i O tJ �' �,' ..► •\ \' tt1 ` Mulch
Vjt 1 Apply 4.000 5 000 lb/acre grain straw, or equivalent cover of another
G �- 1
,�,% suitable mulching material: Anchor mulch by tacking with asphalt. roving./ J / X ,, p \• p,1, �� C.)t ��7�4-- , '" '� \ _ 1 1 ` �o." 3.1 $WALL- or
12.6 Maintenanceng is the preferred anchoring method on sleep slopes.
/ ® ,� \ ' r mowed
a the second .year unless growth s ces adequate. May be
®f t Da 3 / . 11, ., j mowed once or twice a year, but mowing is not necessary. Reseed, len�1-
r1 � p �• •� �'•�„]j � ize, and mulch damaged areas immediately..
k. �•v^' .. •� ) t '�:. 'Refer to Appendix 8.02for botanical names.
01
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• e `�_ o� 5 - face
dlwsnsians olmuld allow tot a simi u of
S _ "� -• .. too ct at oedisont stetaea -
` e - Depth. of eadiaant to -swap, will be checked. ottor each - J!f
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ewd eitewed er aotesearr.. ... � -f
y 5t1J3' �{�tU J . .. P, d'o # , - 'tot' l d tiles cheek des artll ke Mae so such a wy
/ ._ - _r - -• or a limit Siltation
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