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v 'v PROJECT PROJECT ENGINEERIARCHITECT COPYRIGHT 2004 6
~ ~ SJB SUMMIT `m CONSULTING ENGINEERS 5
z 0~ 0 PROJECT MANAGER
z~ Z EAST LYON STATI N R A SJB DRAWINGALTERATION 4 0 0 0 D o W .
~ GRANVILLE COUNTY, NC oriSLE3SIA~CTIN~UNOE~RT'FIEDIR~ECTI~lSOF' 3
0 Consulting Engineers LICENBEDARCHCiECr,PRDFESSIDNAL ENGINEER LANDSGAPEARCHfTECT, OR 2
TITLE OF DRAWING 1000 Cor ora a Dr. ite 101 DRAWN BY LANDSURVEYORTOALTERANYREMON 11 t ~ S'U THIS DDCUMENf IN ANY WAY. ANY LICENSEE 1
Hillsborou h, NC 2727$-$551 SJBIJLW B ~w oRnFFI'zHSORHERT3EALANDTHE
STREAMS AND WETLANDS g NOTATION°ALTEREDBY"FOLIOWEDBYHIS NCDWOlS&ECCOMMENTS Voice. (9191 732-3$83 Fax: [phone] SCALE FIRST ISSUE DATE 0 1 / \ ~ OR HER SIGNATURE AND SPECIFIC C COMMENTS 26 MAY 04 SJB
IMPACTS MAP #2 gyn. S ~ DESCRIPTION OF THEALTERATIDNS. www.summlt-englneer.com ~ APRIL 30, 2004 REVISIONS REVISIONS DATE BY

m }
W~ f`, ~ q 1 doir..r a ~ - tiIX ~,~~eth~
TYPE 1 LEVEL SPREADER (010 = OCFS - 5CFS1 LL 7N
POOL POOL CHANNEL m o SECTION BASEWIDTH DEPTH BASEWIDTH Q p ~ ~ bag P Wl~yn_Y _ z
A 3' w z r^` f ~ ~
, ~ 0 L B 3 1.0' y 0 i ~
C 2.5' 0.8' CHAINNNEL 1 ~ ) Lg r j •"~s ' ~`~'wq N ! 4
D 2' 0,6' BAS~s-E I~ s) -~t---L.-- ~'w. s:,,, EXISr~NG G ~ . ~ ai r E N
ROUND ~ E ~ ~ r;. TYPE 2 LEVEL SPREADER 1010 = 5CFS • 10CFS! TOA OF BERM TO BE 1' MIN. ABOVE ~ ~ f t ~
LEVEL SPREADER THRESHOLD. ~ POOL POOL CHANNEL /
? VAR, (.4' MIN.) ~ ~ SECTION BASEWIDTH DEPTH BASEWIDTH ~ 2 2` i ~y ~ 6 ~
A 5' 2.5 ti• t r ~I ni w ~ ~1 ~ (j 1 / W
~_.y . DISCH ~ - , _ . f B 5 1.0 ARGE POINT ~7 i t
' 0.9' ~ ' C 5 1 ' / D 3' 0.T DISCHARGE POINT ~8 " ` ? J POINT J") ~ksanr,6r,' ~ . ~ r01NT 1~ " w ~ >
J ~ ~v ~
i OISC TYPE 3 LEVEL SPREADER 010 =10CFS - 23 CFS k 01 ~ r r , : ; ~ l 0 PANT ~ , r' DISCHARGE v
~ 1 ~ LEVEL SPREADER THRESHOLD POOL POOL CHANNEL ~ m DI E ` ~ ` ' ~ POINT 26 a ~ I~ ~ ~ 1 ~ a' ` ~ ~~~n~w t Q
SECTION BASEWIDTM DEPTH BASEWIDTH ~ ~ IN BACKGROUND. pOi~ ~g ~ " r ~ r . z DISCHARGE ~ e
10' ~ ~ "s A m -p „ „ FINE GRADE, LIME, SEED, & MULCH ' ' ~ P B 10' 1.1' ~ ~ SECTION A CHANNEL, SIDESLOPES, & BERM. f~ ~ ~ ' POINT ~5 ~ ~ , r
w 0 LINE CHANNEL BASE S SIDESLOPES ` `'ti i C 10 1.0 z WINORTHAMERICANGREEN ~ 4,~,~k, t ~~'~~~4` " r ~ ~ tiigrh[n t0 to d' M N ~ O i ~ _ YOS1~ tAi oGlnrta~rn Inc . C~2DL2 OD'f. Ina - l`
D 8 0.7 ~ 0 .C y o P300. SEE CHANNEL LINER 4 .cam 1'~ ~ r ` I till(;f4:ef4k~. USc SJ.1Jt'-'.?l l'J~',€~t-UG4'16 N' YT x
INSTALLATION DETAIL. ' VICINITY MAP Z w w N
POOL DISCHARGE i ~ r. AND COMPA T A LEVEL THRESHOLD. POINT BASEWIDTH 3 GRADE C 10 t ~ ~ WETLAN . o ' r ~l' , 1 ~ N~ ~ Z~~I r ~ ~ NOT TO SCALE a w ~ ~ ~ ~ a ° m ~t
SURVEY THRESHOLD, TO CONFIRM THRESHOLD IS LEVEL ALONG ITS' ENTIRE LENGTH. LIME, j ! ,r' ; f ` ' " - LEVEL SPREADE ~4 w a F ~ ~ ~ w ~ ° N b
I • ,_.r FISTING SEED & MULCH THRESHOLD. ~ ~ `l ~ G[~OU , ~ ' ~ ~ t ~Ir ~ _ o_ ` N -~i- ~ N F K .F U fr ~ ~ ~ U' C 2~ `'*i ; Ow~U YZ w~
~ NO . ~ ~ ~ ~ r f '~~Y rr. • z LL o s Q w w~ a
~ i~ r ~+---DIFFUSED FLOW OVER THRESHOLD DURING STORMS. a,. 1 Ji ,t Il j ,~~i~r 1~ ~ ° w°U 0~~~°w
~ ~ ~ ' 1 ~ - POOL ~ i, ~ ~ h ,e I I ,I -zU }z~LL~~o d
DEPTH ~ a ~ r n ~ ~ - t, Y ' ~ ,.•--~"1~„„"'~."`~,. ,i~. a i 0, r~ ° ~ F ~ g ~ ~ a a ~ d
~ r F ~ , i Qy z °Q3~wm
FINE GRADE LIME ' ! i ~ . ~ I ~ ' ~~;.1 ~ ~ LEVEL SPREADE 3 ~ N J b ~ ° ~ 0 5 ~ ~ ti -zc?zz- TOG'W
SEED & MULCH LEVEL , , ~ I 4, ~ r ~ f _W ~ 1 SPREADER&SIDESLOPES. SECTIONS "B° "C~~ &'~D° ~ ` ' ~ '~',,,~.j~' ` f ~
t , , , ~ ~ ~ r , " 1 ~ ~ ~ ~ ~ .~1._.r._., t ] ~ f^^ _ _ G .rte < 1 ~ W
~ \ d ~ ~ r ll r. ! I ~ ~ \ I ~ i"' ~ i ~I ~ N
V 1 1
~PR ~ : 6 • , , ~ o 't i ~ I h ~P ~ ~
INSTALL RIPRAP DISSIPATOR PER PLAN. A ~ ~ ~ ' ~ ~ ' ~ ~.w.--~ •P'.. LEVELS ER ~2 ~ u~ l~^
`"v v r- t ~ r ` ~ LL ~ l ' SE RIB 14N - Q ` ~ ; ` ~ 0' STR 6U ~ x
CONSTRUCT BERM & CHANNEL TO ~ , ~ " t j , ~ : w DIRECT FLOW INTO LEVEL SPREADER. L,) ~ ~ _ - ~ ` ` ~ ~ ,f
W ~ ~t i ~ ~ _ Q G'fH. ~ ~ ~ Y~ " ~ t w~ ~ ~ d f a ~
- RIEN ~ 7~' r-- ~ r, a PR,EADE Taa~e• j / . ~ y S ppEMEN? ~ ~ ` _ . w•., ~r, W W ~ ti, ~ w~ : - ~ ~ ~ t~ Z j - ~ II ~ `
~ ~n~eA~ N LEVEL SPREADER MUST BE CONSTRUCTED ~ ~ ~ ~ ~ ~ ~ sEe ssoR ~ ~ OUTSIDE OF BUFFER 8 PARALLEL TO TOPOGRAPHY. 1 ~ i ` ~ r' 1 ~ r . ti ~ ~ / z [ ~ ~ ~ ~ V ~w W
~ _ ~ t y z m ~ 108 ~ _ n ~ _
Z i ~ ~ 0 -1 ~ ~ ~ CONSTRUCT EARTH BERM HERf TO PREVENT -1 , _
Z ~ FLOW FROM LEAVING POOL AT THIS LOCATION. ~ ; 1 ;t ~ ' ~ ; ? r ~ ~l / ; 7 r m / 0 m 0 to m¢ II
N r 108 ~ ~ i , S ER,t X16 r r,,,,.--' / ~~w~"
EL SPR THRESHOLD MUST BE LEVEL TO PRODUCE ~ ~ LEV 1 . , ; DIFFUSED FLOW THROUGH BUFFER. ~ ; _ ~ ' \ l•
i , _ , _ i ~ 'V ' ~ ~ ~ . ~ ~ , ~ . ~ NEU RI SE PARWN
R LEVELTH E 104------"""'__ d:"'f >-•-r y l ~ t ~~j o , : ( ~ ~ r r 1 ~ rf ,..W- t.- r/ 50~HS STR~ M BUF'fER
V ~ ' ; ~ ~ E
ED FLO J C ~ r IFFUS RB 102---yc t ~ ~ ~2 t. f ~ ~~r` , i ~ ~ ~ 1
DON ' ~ ~ °'ti 7~ l ~ ~ r ~ ,1~ n~
gTFtf.AM 100-- : ~q ~ _ j" ` ~ sU, ~ t S
.q ~ , . , t k._ ~ ~ ~ f _ r 1 ~ ~f ~ ~ , jam. ( 1 / _ ~
17 , r ~ 30' SSW S ER ~
T D?s~~ , . - P r BUFFER 1``'?'' , , / • . ~ ~ ,
{ t t ~ ~ I 1 ~ ~ 1
~ ~ ~ 5 ~ i i 1
~ ~ j ~ , 1 r ' l ~ + ' ~ i~ . , R~ E~/E P ~ 1
~ 1 ~ . r t9
NOT TO SCALE. - ;-„"____---t-,, " w~ ~ 8 r~,,~~.~._..__~.,"-?~• P • . ; 1- ,
{ , r M ~ ~ ~ ~ ( LEVEL SPR ~i ~ d N t 4 I C n
~ .,s- ~~gr' f ; ' ~ ~ 1 ~ ! ~ ~
t r ~ / f f Z J ~ r 1 t i •r , ~ °+L~ ; r w r . . 1~ - I f F /r 1 1 ~ ~ W
i? ! I „1 f ~ 1 ; r I o = ~ ~ ~ I ~ ~ of
t r` ~ r t ~ ~ t i + f I C ' 1~ ~ . v ~ ~ # O to t0
r c , y ' y ' ~1 ~ ~ , ' DP 1~! ~ , ~ q ~ ~1`~4~. ' _ _ 1 I . : ~ r - ~ 111 ~ ao
ti I. ~ ~ ~ ~e ~ e o ~ - ~ ~ G ~tiM
~ V ~N~ ~ ~ ~ LEVEL SPREAD X27 ; ti, O ~
- ~ i i - ~ 1 ~ _ ~ t DP =DISCHARGE POINT ~ ' ' ~ ~ N M
i+~ , 4 ~ y _ xrr Y I ~ N O ~ 1 SUM ~ 1 z a~
~ s ~r;~ 9 ~`e i ~ b - ~ I ~ i ~ ~ • r 1 ~ z
~r{p. r ~ ' ' 1 ~ ' ~ ~r ~ ~ ~ ~ ~ \ l Q E { ` 7
f t ~ o E t ~1 0 ``jai
r ~ ~ OyU O_O
/ / O-- 0 100 200 400 600 ~ ~ _ ?
~ ! ~ L
~ ~ t .
~ ~ , ~ , ~ ~ t~ ~r_Pdt" ~ i . ~ f G : ~ GRAPHIC SCALE -FEET ~ ~
, ~ ~ ~ ~~r ~
~ ~V i ~-~---~`~`~.k 0. ~ ~ f • t i >
. ~ ~ i i r ~ t..._,_ ~ b` ~ J ,.i i . i I' ~ ~u._.
! ! ~ 1 ~ w
i / ~ ; ' 1 ~ f a
DRAfNAGE RUNOFF TIME OF STORMWATER
1~ ~ } . Y r'° DISCHARGE # AREA COEF. CONC. I(10) Q(10) MANAGEMENT
(ACRES) (MIN,) (IN/HR) (CFS) DEVICE
'e t 7 • t s ,j LEVEL. SPREADER X22 LEVEL SPREADER #1 10.2 0.35 15 5,6 20.0 284'L TYPE 3 LEVEL SPREADER
LEVEL SPREADER #2 2.7 0.35 10 6,5 6.1 80'L TYPE 2 LEVEL SPREADER
WETLANDS , ~ ~ r ~ "f" , LEVEL SPREADER #3 2.5 0.35 10 6,5 5.1 75'L TYPE 2 LEVEL SPREADER LEVEL SPREADER #4 0.5 0.35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER
o ~ i` ~ 'l DISCHARGE POINT #5 0.1 0.35 5 7,2 0.3 NONE REQUIRED EX. MANMADE CHANNEL
,G, ~ r j I R 0 _ 0 ~~E ~ ~ U~"J ~ 1,I LEVEL SPREADER #6 1.1 0.35 5 7,2 2.$ NONE REQUIRED NO BUFFER ~
~ ~ _W-. A N SE RIPARIAN LEVEL SPREADER #7 0.4 0.35 5 7.2 1.0 NONE REQUIRED NO BUFFER Z LEVEL SPREADER #8 1.2 0.35 5 7.2 3.0 NONE REQUIRED NO BUFFER W
! 50 STREAM BUFFER ti ~ ~ 1'~'.'y ' EACH SIDE DISCHARGE POINT #9 1.6 0.35 5 7.2 4.1 NONE REQUIRED NO BUFFER ~
~ ~ 0 ) Z DISCHARGE POINT #10 4.0 0.35 10 6.5 9.1 NONE REQUIRED NO BUFFER ~ W
~o ~I~~~., ' ` t ti 1l DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE RE UIRED N Q ~ Q 0 BUFFER O U Q DISCHARGE POINT #12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL W ~ Z Z
~S~ ~ i ( ~ -.r . ~ LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z
t r, ~ - Qd LEVEL SPREADER #14 5.4 0.35 15 5.6 10,6 140 L TYPE 3 LEVEL SPREADER 0 5t
~ /"~;i ~ ~ , LEVEL SPREADER #15 4.4 0.35 10 6.5 10.0 130'L TYPE 2 LEVEL SPREADER 1= Z
l ~ ` I , NEUSE RIPARWJ ' ; ~l 50' STREAM BU ~ V ~ h~ ~ ; f I ~ LEVEL SPREADER #16 4.8 0.35 10 6.5 10. 142`L TY E LE d ~ ~ ~ 9 P 3 VEL SPREADER 0 W DISCHARGE POINT #17 0.2 0.35 5 7.2 0.5 NONE REQUIRED EX. MANMADE CHANNEL N U U
EACH SIDE t/ ; 1(; r f. ! j ~ Z DISCHARGE POINT #1$ 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE CHANNEL Z W z Q
i ; %r' ~ I ~ Z - DISCHARGE POINT #19 10,3 4.35 15 5.6 20.2 NONE REQUIRED EX. MANMADE POND 0 J 3 ~ ~
~ ~r~, iI < , ; ~ DISCHARGE POINT #20 3.3 0.35 10 6.5 7,5 NONE REQUIRED EX. MANMADE POND Z 1- - ~ o ~~k DISCHARGE POINT #21 1.0 0.35 5 7.2 2,5 NONE REQUIRED EX. MANMADE POND F Z ~
: d i ~ ~ ~ , LEVEL SPREADER #22 2.2 0,35 5 6.5 5,0 65'L TYPE 1 LEVEL SPREADER w ~ o Z
1 r . N w ~ DIS HAR E POINT #23 0.3 0,35 5 7.2 0,8 NONE RE UIRED EX. MANMADE HANNEL o Q F H
r DI CH E P INT 24 0.35 5 7.2 1.3 NONE RE UIRED EX. MANMADE CHANN L a W (7 ~ N ~
DI HARGE POINT #25 2.6 4.35 10 .5 5.9 NONE RE UIRED EX. MANMADE CHAN E ISCHAR E POINT #26 0.6 0.35 5 7.2 1.5 NONE RE UIRED EX. MANMADE CHANNEL
I LEVEL SPREADER #27 1 7.2 1 0.22 1 15 1 5.6 1 8.8 1 1151 TYPE 2 LEVEL SPREADER I rRV~C~ I Mi
/V REFER TO LEVEL SPREADER DETAIL. 18631

DRAWING NO.

CS01 3

THE CONTRACTOR MUST LIMIT STREAM DISTURBANCE AND EMBED STREAM CULVERTS ACCORDING TO THESE PLANS. m }
IF STREAMS ARE IMPACTED BEYOND WHAT IS SHOWN, THEN THE PROJECT MAY BE SUBJECT TO BIG MITIGATION FEES „ - ~ m
FROM NCDWO ANDlOR USACE. t~
THE CULVERT MUST BE EMBEDDED BELOW THE ° °'t J` ~s€~s ~ ~ ~j, W Geri ' ,.!+~j a P } ~
STREAM CHANNEL, TO ALLOW AQUATIC LIFE PASSAGE, a doe u,_.....:. ; a ,,'~p tir~ ~~`~.,J ~ Q a , e m ~
MIN, EMBEDDED DEPTHS ARE AS FOLLOWS: i N 1,5'
CULVERT DIAMETER: MINIMUM EMBEDDED DEPTH: ' + "rm ~'i1~ y ; ~ I 4~ ~ •"hy.~,.
18" OR LESS 0,3' s t ?~ri'~ .
24" 0.4' j ~"~1 ~ o ` '
30" 0.5' 38" 0.8' `'E" tY
OJ' ~ I 42 ~ ~ i 1 ~,r Z
48" 0,8' i ~ ~ II I 54 OR GREATER 1.0 { I l ~ r~on Title ~ _ Z N e~i' e % W >
, ` G ~ ~ . ~ ,:i' 3' ~ ~ W I 1 ~ o~ ~ ~
j , ~ j I ~ ~ it ~ .r_..,.. , ~ . U
i ` t + I ~ ; F'kc~tlna~r,~ p,, dh a:: V ~ c""' ~ ' ti , ,;fin d~' ~ / ' Q'' ^ W
TREE PROTECTION FENCE ~ i.
(OUTSIDE OF CHANNEL) ~ t C J ! ~ ~ ~ C l Q
e ~ I I I 1 1 ~ ~i l ~ ~ . "~7r. Z
TREE PROTECTION FENCE f'' IMPACT 6: . ~ ~ r+ ~ I i ~ W ~ ~ ~ u d
(OUTSIDE OF CHANNEL) J-,-- ~ .,.~'°•w.._ I ROAD PHASE 3 y.ti ~ ~ ~c, ~ ~ ) v ~ 'i ~ C~ $M!Mn4h[o I fp to d' M N r' O
RIPRAP APRON MUST CONFORM ~ I '~l~3rAooqu~stcam:lrc. 4~2tC3aDT,Irtc;
l y \r , ' ~ TO EXISTING CHANNEL AT END ' ~ T~ ~ ~ I rehti.r~wr~uae.$uUl+~.tol..i~n;;c(f.[~ryCr~t pwM~^~r.~: ri ~ 1
OF APRON, SO THAT NO GRADING ~3`~ w3 ; - ! i ~ f .t VICINITY MAP ~ yy,, w ~ w ti - r ~0 ~ N~~I ~`~j ; - ~ NOT TO SCALE ~a ~ o ° o w 5 o m
IS NEEDED BEYOND THE APRON, 7 TWIN ~ (45.L 8w~ /
DO NOT `h. 's~ ~ i IMPACT #1. o o ~~y-~ytZ~~aLL~ ~ ~i \ N ~ F ~W=ZQF~N~WF
DISTURB i ~ ~ EMBEDDED DEPTH ' - ' F''~ ~ ~ ~ ~r ROAD PHASE 3 >~z ~ two°~awwaa~ ' % ~ _ ~
BEYOND FENCE, RIPRAP APRON DO NOT ' ~ ~w, i, '~f SEE DETAIL H ~ ~ gw~w«gam<W 4~ ~---.W~~ ~ Y x ~ i ozo~oa~Nww
DISTURB WETLAN ~ ~ h C~" ' s; C7~F ~ z~~o~zyX~~~F
BEYOND ~ ,t- , ~ , FENCE, ~ r\ ~ , .~~~_rf...,. Q OZ~ZO~Z~LL~QO O F g~igmaaz
NOT TO SCALE ` ~ `o `'o ~ 0 Z oaezz F~zv,F t,- ~ IMPACT #2: ~ o >NyWy~Q3~~~
SEE PLANS FOR ADDITIONAL INFORMATION, A -v. . ~ r , ~ h`"' ~ - i:' ! V N~~(~ZNOg~~..Iy \ , , _ SEWER (PHASE 3) - z ~ z > o ~ w
CULVERT LENGTH RIPRAP LENGTH ~ ~ f1~
~ s ~ T~
20' 1' hrr ~ ~ r , ~ r4 r , "'s \ ti n
TOTAL STREAM CHANNEL MEANDER DISTURBANCE LENGTH =148' ° - ~ ~ ° ,r ~ / ~ N ~ , ~ ~ f/~~ r ~ ~ , ~ ~ ~ M
- ~ r` ~ f ~ ~
. ~ ``a, ~ ~ ~ I y ~ ~
NCDWQ REQUIREMENTS: IMPACTS AT STREAM CROSSINGS ~ ~ I ~ ~ ~ . h ~ 5. ~ ~ h e , , ~ ~ n ~ , e ~ ~ I` j, ~ a ~ I I- LL Q
~ 1 ~ ~ 1 .a. ~ ~ ~ ! , ~ w~Ss 1 l ? ~ . ti \ , .ti ~ ~ `o,
rv ,
\ `y 9~ ~,~.f ~ w r- ~y e { l ~a-r-,t , l ~ , U' - ,
~ ~ ~ ~ e ~Jj, 1 ! ~ Q - ~ 'w-P:a n `
kt ry k l / ~ ~ ~ W IPI~gP, (45 L 18~W)`~, , ,:r 1 20' SANITARY SE~IER~,. , ~ , w }
~r
~ r !j ti ~ ~ `d ~ ~ tt u._, 4 fl y
~ - , - 1' s= v - ~t
R t.. e ~ ` - ` ; ~ , ' ,,:w- ~ ' -~.r,, ~
! ; ~ IMPACT 5:
NO ~ ~ ~ F r p ~sru ; off ~ ~ . t ~ E / SEWER (PHASE 1 ~ . E ~ ti~ , STREAM ~ ~
w ~ + F ~ , ~ R/ q _ ~ CLASS "I" 4~ ~ ~ ~ '`1; \ ~ ~ e i
O S 'UV 20 W X 0TH - \ ' \ ~ N M ~ , E t _ _ I ~ ~ . ~ t no
t, , pp ~ ~ ~ ~ F ~ t. ~ , ; , y ~ , ,i i l IMPACT 3;.
__.y ` .,tit 4 4 ~ "','~.._.-..1 ; . ~ ~ . . ~ ~ ~ , ~ SEWER PHASE 1 ~
PF ~ 1 ~ ( ~ ~ it +fi \~_.._I e ' ' ~ - 1 r 'k.-1 ;
_ ~ s EAM E V ~ ~ h~--,~ v ~ ,
, ti.', ~ , ~ ~ ~
,_p t
. ~ - " . ~ ~~--50 SIREAM BUFFER - ~ H 1 ~ ~ ~ ~ ~ SIDE
` i TWIN 60"CMP CUL RT ~ ' " \ 75'L WI NCDOT E WALLS d \ , ~ ~y , ~ ~~.Y. _ , . , r . ~ _ ~ ~ 20' SAN ~ , ~ 1
~ _ ~ , .
~ MEAN R DISTUR ANCE LENGTH:14 ~ ih ` ~ ~ ~ - ZONE 1 FFER STURBANCE: 8,100 S ~ `
\ ZONE 2 BU ER (STURBANCE: 3,800 S , ~ i ~ 1 i`, 1, . . 1 ~ , ;
+ 1, - . _ _ • ; ~ ~ ` } R ~ ~ ` ~ " ~ ~ t r!" ' ~ , 1 ~ 1~ ~ ~ i ~ , ~ - ti ~ v-~ _ E 0 ~ ~ ~t F E FU RE ~ ~ ! r ~ ti f G O
y { , ` r , - ~ ~ ~ ;'~;e, ~ t - ~ ~ ~ ~ DEVEL MENT ~ i ~ ~ W r
~/fir ~ ~ ~ \ ~ ; 4 , M1 - - e ~ ~ e ~ ~ - ~ ~ ~ ~ ~ ~ ~ (BY OT ERS) 1 , l ~ p~ \ ~ : \ ~ i ~ ~ 1 ~ 7 1 C
(I r s " _ ~ f T 1 D TAIL IMPAC # ii ~ l ~ ` y \ ~ ~,1 f 1 1 t~ ~ r
~ ' I 1 J.r+. / ~ _
/ u,- ..v.._.. ' - . r ~ , ~ ~ ~ ~ ~ ~ i ' ~ C _ 0 t._. , r 1 € } , f ~ t~, ~ ~ ~k i I , ~ O U
1. ~ r ~ j ~ I ~ I a ~ ~ ~ ~ s N O ~ ~.c~- f ! ! i t ~ ...''tie,. ~ ~ 1 i I i ~ ( cis 00 ~
~ ! ~ ,
r I t + v ~ 1 r~ e 1 I ~ z a~
IMPERVIOUS DATA: ~ ~ , ~ " ~ _ ~ l ~ e ~ ~
f A ~ rh ~ ~ , ~ , ~ _ ! \ ! I o rn~ E { ~ ~ ~ A ~ ~ E
TOTAL TRACT AREA: 171.1 AC +l- ~ ',t ~ , r'' ~ , r, ~ 1 .y ~ ~ b. PROPOSED SINGLE FAMILY RESIDENTIAL LOTS. 300 I ~ ~ ~ ~ y `mow s ~ ~ ~ ~_..w._-_._w_. _ o ~ ~ 1 U o m
EXISTINGIPROPOSED IMPERVIOUS AREA IN ROADS; 11.5 AC 1 h,` ~ , J 1 ~ F ~ i , I i 1 O V
ANTICIPATED IMPERVIOUS AREA IN LOTS: 14 AC ~ r, \ h i ~ ~ a "`r.. ASSUMES 2,000 S.F, IMPERVIOUS COVERAGE PER LOT, + ~ h h h ~'1 + I ' ~ ( ) i\~,~ -h i t ~ , 1 ~ O y 0 ~ ~ I ~ t O.
TOTAL ANTICIPATED IMPERVIOUS COVERAGE: 25.5 AC +l• 15°/0 t+~ ~ h': ~ - ~ ~ r 3~ q + _ ~ ~ t~ ~ + ~ ._.a.r._._.~._...____ Er~ I ~ ~ t t1, 1 liJ }
(EXCLUDES AREAS DESIGNATED "FUTURE DEVELOPMENT") ....M-~.._._.-.....w 1 ~ A~
't ~ ti F. ~ ~ ~ ~ _r. ~ . ,~~1.n= _ ,;A ~ z t~-' _ - .~-_""'x,51, l;' . ti ~.1 I
7 ~v.-4._.--- ` e t ~ ~ ~ " pp, ~ z rt 7 y ~Il~
f . j ~ tl x` { f ~ + _ 0 ~ . . ^v
_ - ~ . 1 ,r ; ~ ~ ~ ~ I ~ t ~
+ : ~ Y SEWER ,,~t ;'r . ~ ; t t 'I
~ l ~ r - - i - r-°-`~ _r `I a ~ rt°' ~ , ~ i (III . l i
. t _ t ~ l" r r
, " ~ ~ ~ , f „ ~ - v ~ , t y ~ , , tl j ~ w ! .

. ~
i STREAMS AND WETLANDS IMPACTS TABLE
~ A \ ` v ~ ~ ' ,
\ r ~ ~ " ~ ~ i I 1 r~ STREAM BUFFER
~ ~ J~~f ~ r , r STREAM MEANDER DISTURBANCES: WETLANDS
TU ~r' ~ 1 ' ' w~rv~DS ~ ~ ~ ~ ;=`t IMPACT TYPE: LENGTH: ZONE 1 ZONE 2 DISTURBANCES: CONSTRUCTION: N
1 PERENNIAL STREAM 149 LF 8100 SF 3800 SF 300 SF ROAD/CULVERTIRIPRAP Q
~ °-gin.=r`r ~ i ` O f' 2 INTERMITTANT STREAM 33 LF 1980 SF 1320 SF NIA SANITARY SEWER ~ Z 3 PERENNIAL STREAM 32 LF 1920 SF 1280 SF 65 SF SANITARY SEWER Q
4 INTERMITTANT STREAM 34 LF 2040 SF 1360 SF 70 SF SANITARY SEWER ~ U
W ~ z 5 STREAM BUFFER N1A 300 SF 600 SF N1A SANITARY SEWER Z W
6 WETLANDS N1A N1A N1A 3400 SF ROAD/CULVERTIRIPRAP 0
~ y l _ ~ 1 ~ . A ~ + ~Z Q~ as
F \ - ~ ~ , NOTE; STREAMS AND WETLANDS PER SURVEY BY ACCULINE, BASED ON S&EC FLAGS. ~ ~ Z Q (A U ~ Q
_ ~ ~ r'"~' " ter"' + Z W z ~ Z - cn
/ ~r fll 1 ~ ~ i ~ p 0 ~ ~ ~ to
~ _ fit. ~ /,r I z J- - ~ f- o QV
50 STREAM BU R ~ ~ ~ . _ ~i ~ ,,,•r,.-~,,. ~ U I-Z o WQ
EACH SIDE V ~ : ,,°;."=..Y~F .~W ~ r` ,a .4 _ I ~ " 1 ~ W~a & a
h J E .r, ~ J f3 j ~ i~ J r .r a W ~ ~ cn _
i 0 100 200 400 600
( .f' i j r,,; r~ I t PROJECT N0.
GRAPHIC SCALE - FEET 18631

r IMPACT #4: DRAWING NO.
SEWER (PHASE 4)
csol 0

t
M~

l S a''~ke~,,,,,p, a1b~g0Yf1 r` ,
DISCFIARC$ ~ 2' MIN BASEWIDTH ' W
" J, 7 I dof iwtl fA~ t M Cf*".. Q . 0 ~q ~ ' }'~a . ~
3• 3~~
~ 1' MIN, ~ 1 E POINT ~ ~ ~~o ; y
~ i ~
I ~ .-1, ,J,
FINE GRADE, SEED, & MULCH CHANNEL FLOOR 8 SIDESLOPES. INSTALL 10' WIDE NORTH AMERICAN GREEN S75 LINER. j, ~ ~1 i i~ ~ i Z
- R IN TALLATION DETAIL r _ SEE CHANNEL LINE S ~ t, HARGE ~ ~ a' ! 0
ESTABLISH DENSE STAND OF 3"TALL GRASS. t M' g ` 4 ~ Rdr ~r,Y ~ i_.. 0A G
SEE SEEDING SCHEDULE. I D~ i l . i ~ W
TIMBER CHECK DAM. IF NEEDED. DI ; ~ / 6'WIDE ( ) ~ % SCHARG~:r~ CLASS'A" RIPRAP 8" LONG X 4" HIGH X 6' WIDE. ~ - ~ ~ rte- ~ POINT f f- - ~ P f f; DISCHARGE o~ I--"..~`' - ,~~i
4%MAX, (IF NEEDED.) . DISCHARGE ' POINT 28 ~ a°' ~ ~
r" ~ ~ 2% TYP. , ~ POINT ~9 c.' I 4% MAX. . ~ , _/~Jt DISCHARGE , r c~
2% TYP. ~ 496 MAX. A POINT ~5 ~ ,
296 TYP, ` i / rl r.{
'ti i,..,~ ~I~l ~ t tl4 a i '-i
DISCHARGE >ti " I ~ ~1 ~ ~ tiF. ~ aSCHARGE ~ ~ ~ ~ek~zhcn ~i c0 N M N ~ O
TIMBER AND RIPRAP CHECKDAMS ARE USED ONLY WHERE NEEDED TO POINT X10 POINT' ~4 ir~ ~ r sU0] 4rcCmtam Inc 040C70D1. Hti.
KEEP CHANNEL SLOPES UNDER 4%. IF THE CHANNEL MAY BE BUILT WETUN \ E CHECKDAMS THEN THE CHECKDAMS ~ , ~ ~ ~ ~ ! ~Ws i (ryht>iesavea,'JSC5~~bleatulz~rrcl0009'knr w
FLATTER THAN 4% WITHOUT THES , ARE NOT NEEDED. ' , ~ VICINITY MAP w ~ ' r $ ~'~~z
SEE STORMWATER MANAGEMENT TABLE AND PLAN ~ l 'ti\ NOT TO SCALE ~ z ~ ~ ~ ~ ~ °'m w ~~~ga
FOR REQUIRED LENGTH OF GRASS SWALES, . ~r. U 4 y y % "~q., ~ W ~ ~ ~a~ ~ N LL
! k`i \ N N ~F ` t \ ~ ~ 4 j . F ~ E"z LLWCj

NOT TO SCALE. - - ~C ~ i _ .r...r'~ ~ aSCHARGE F c7 ~ 5 ~ ~ ~ ~ ~ ra ~ W 1 x c~ co o~ wo w z w ~ POINT ~3 c7~ z $~~o~z~%~~~

~ 1 ~ ~ ~ 20 ~ 3 /
1 t` ~ ~ ~ I ~
~ ~ ,r / ,y,.~ ^ ~ t7~W~~ m200
. 1 - 1 ' 9
~ , ~ ~ i . _ - ~ , ~ i ~ ~ ~ 1 o
~ ~ ~ ~ \ ~ ~ N ~ ' POINT r - ~ W ~ i
, ~ ~ ~ , ~ ~ ~ ~ Ntt~E ROAN r ~ y ~ \ ~ ' ~'\-,~D STREJIY ~ ~ ~ ~ ~
r ~ ~ _ \ ~ EA7~q~ ~ ,.,~~.,TAR~rh ~ -
~ , , , ~ ' - _ O
~ _ , • , U
i ~
~ - I ~ ~ 3 ~ P 1 ~ ~ W _ ~ W W
~ ~ ~ ~ i R Y ~ R ~ ;'-h, ~ ~ V 1 ~ C7
V ~ ~ ~ ~ ~r i ~ ~ ~ / _ ~ ~ ~n ~ / _ ~ / ,D z
~ ~ Ji:' EN eta 1}16 ' ~ / t~ ~ ~ m ~
r _ ~ l ~ } y f i ~ ~i ~ -Wi -Wi ~ W N
_ . _ ~ ~ ~ r ' ~ 1 ~ , ~ ~ 0 m 0 m ~ m II , ~ ~ 4' 4' U ~ ~ ~ a N a N o N to
~ . ~ ~ - , , ~ A _ -
_ , ~
~ ~ - t ~ t. ~ ~ r. 4. ~ ~ ~ - r7
~ ' F ~ a~ ~ 1 ~ ...w ~ ~t
P ~2 E' u ~i ~ NEUSE RIPARIAN
~ * ~ 50' STREAM BUFFER / ~ ! ~~-EACH SIDE l i t ~
t t-----, DP 7 ' , ~l ~ '~0' ^AA! Y ER ' '~.1 0 EM T 1 \ ~
t ~ ~ ;Y \ ~ 1
, ~ . ~ ~ ~ t ~ r 1 i . _ 1 ~ 1
\ 3, . ~,n , . ` ; ` ~ ~
''jai" \ ~ ~ ~ ` ~ ~ 11
- - _i _ , ~ X18 - ~ ~
~ ~ , r' . ~ ~ A _ 7 ~ ~ ~ / _ 1
i ~ _ i / a, ~ ' I ~ r I °
CWISS ~ ~ ~ ~ r I ~ r ~ I ° ~ 1 ~
~ ~ ~ ( i ~ i; i ; ' t,e~•~~ ; ! 1 ~ ~ N ~4.~,, , M
F _ , ~ ~ ~ ~ 'tom ' ~ C ~ ~
~ I i i ~ _ _ •nv ~ ~ _ ~ 1 ~ 1 i I . ~ I ~
r ~ _ t i , -,a~ .,e ' n ; LEGEND L 1 1 W 1 ~ l ~
DP 1 ~'t, • ~ - ~ 'r_, j ~t ~ • ~ ~ , _ _ A ~ ; r" ~ ~ ~ oP • aSCHARGE POINT ~ I C ~r X
v, ~ ~w s,:; q is 1 ~ ~ I ~ + GRASS SWALE ~ I ~ ° ~ ~ N E
~ ~ p ~ _ ( ~ i I e:. PHASEUNE I C
i p, . lJ i . ' - , 0 7 ~ ~ 1 1 v cnN°~
\r i~ ~ ~ ~ , j , 4 1
= ~ - .Y ; 1 ~NM._ SUN o 1 C
~I I.. j~ , ~ ~ r. 1~~ V~ 11 ~ j . ~ M ~?n ~
~ ~ ~ 1 / 1 L • ago E
_ 1 ~ ~ I 7T I ooE 0 100 200 400 600 I o ~
1 ~ ~ ~ 4 I U ~ u~
°
~ , - I °=o GRAPHIC SCALE FEET ~ ~ o asCHARCE ~ _ >
~ ,~,MENT I ~ 1 I ~r~ , ~ PaNr ~1
~ .tip 1

;

~ ~ i
.h ,r ~ - ~ DISCHARGE DRAINAGE RUNOFF TIME OF STORMWATER
~ ~ ~ ~ ~ ~ ~ POINT 22 ~ ` ; DISCHARGE # AREA COEF. CONC. I(10) Q(10) MANAGEMENT (ACRES) (MIN.) (INlHR) (CFS) DEVICE
WEfIANDS ~ ~ ~ ~ ~ l
~ti~ ~ 1 16.52 0.350 5 7.2 41.96 1700' GRASS SWALE 2 2.77 0.350 5 7.2 7.04 280' GRASS SWALE
~ 1~ \ 3 2.49 0.350 5 7.2 6,33 250' GRASS SWALE
NE E RIPARUV~1 4 0.48 0.350 5 7.2 122 50' GRASS SWALE
~ ~ ~ 50 STREAM BUFFER ~'i~ ~ ~ ~ EACH SIDE ~ ~ i / 5 0.10 0.350 5 7.2 025 10' GRASS SWALE 6 1.09 0.350 5 7.2 2,77 110' GRASS SWALE f-
/ ~ ~ 7 0.36 0.350 5 7.2 0,91 100' GRASS SWALE Z
~ ~ ~ ~ ~ 11 8 1.17 0.350 5 7.2 2,97 120' GRASS SWALE W
l 9 1.60 0.350 5 7.2 4,07 160' GRASS SWALE ~
~ ~ I~ 10 4.04 0.350 5 7.2 10.27 410' GRASS SWALE ~ W 11 3.72 0.350 5 72 9.45 Q ~ 380 GRASS SWALE 0 U Q
~ - 12 2.15 0.350 5 7.2 5.46 220' GRASS SWALE W ~ Z Z
NEUSE RIPAR6W l 13 2.70 0.350 5 72 6.86 270' GRASS SWALE Z Q (J
50' STREA61 BU ~ \ ~ ~ i EACH SIDE ~ V 14 5.36 0.350 5 7.2 13,62 540 GRASS SWALE 0 ~ 15 4.41 0.350 5 7.2 1121 450 GRASS SWALE F- Z
1 , 16 4.78 Q~ 0.350 5 7.2 12,15 480 GRASS SWALE 0 W
. ~ \ J ' ~ 1 ~ : : , , 17 0,17 0.350 5 7.2 0.43 20' GRASS SWALE N U U
c~ f' Z 18 1,00 0.350 5 7.2 2.54 100 GRASS SWALE Z W z Q Z -
~ ( ,.N,~ 19 10.28 0.350 5 7.2 26,12 1030 GRASS SWALE 0 J 3 20 327 0.350 5 7.2 8.31 330' GRASS SWALE Z 1- - ~
J > o ~ ~k 21 1.03 0.350 5 7.2 2.62 105 GRASS SWALE ~ Z LL ~
22 2.21 0.350 5 7.2 5.62 220' GRASS SWALE ~ ~ o Z N W 0
.33 7. RA WAL o Q ~ I-
i 24 0,50 7.2 .27 RA WAL a W 0 F ~ d 2,59 7. 6 ' SWAL
7. 1. 7 '
PRaJECT N0.

GRASS SWALES TO BE DESIGNED AND CONSTRUCTED ACCORDING TO NCDENR'S "STORMWATER BEST MANAGEMENT PRACTICES". 18631

DRAWING NO.

csol 1

_

m 'm} m }
~ . 340n1 !n N N m U~~hce~M»vey. aib~
W~ TYPE 1 LEVEL SPREADER (010 = OCfS - 5CFS1 u~`. F c' ~ KEF~
~N POOL POOL CHANNEL m o F ~ w ~ ~ ~ z z \r 7 .~i X748 P ww,.Rd _ ~4,... ~ ~ ~ Q
SECTION BASEWIDTH DEPTH BASEWIDTH ~ 0 s7p ~ ~ ~
~z A 3' ~ O err
B 3' 1.0' N o 4f `~ti, ~
C 2.5' 0.8' CHANNEL W{.R~ W N f ~
2' 0.6' BASEWIDTH 1' ',4 D EXIST r~~ 1 ING GRO ~o ~ Y
TYPE 2 LEVEL SPREADER 010 = 5CFS -10CFS UNO ( TOP OF BERM TO BE 1' MIN. ABOVE ~ ~ ~ ~ uai ~ N
POOL POOL CHANNEL - - LEVEL SPREADER THRESHOLD. ! - ? VAR. (.4' MIN.) ~ Z w a _ W 0_
SECTION BASEWIDTH DEPTH BASEWIDTH 22' ; i r' on 41d. fA
A 5' 2.5' ti~ ~ /i' 1 ~ 1 ~ I a, 0 W
8 5' 1.0' DISCHARGE PANT ~7 , ~ ~ISCHAR~E ~ ! ~ ~ ~ ~ z ~ z @bck tono0 p
DISCHARGE POINT ~8 !`I D 3' 0.7' !`POINT ° ~z,' ~ ~ ~
j j DI ~
TYPE 3 LEVEL SPREADER (010 =10CFS-23 CFSI ~ . ~ _ Ifs POINT ~ . ' DISCHARGE a - C! Q CJ POINT X26 r ~ ~ z ~
POOL POOL CHANNEL w ~ LEVEL SPREADER THRESHOLD DISCHARGE ! i y ~ r^. •I h' ~ ~ U
SECTION BASEWIDTH DEPTH BASEWIDTH LL ~ IN BACKGROUND. POINT ~9 ~ ~ DISCHARGE - ,r z a z w
mW _ A 10' p „ „ FINE GRADE, LIME, SEED, & MULCH ~ B 10' 1.1' ~ SECTION A CHANNEL, SIDESLOPES, & BERM. ~ - ~ ~ ~ ~ POINT ~5 ~ ~ ~ k. _ ~ ~~athtn f0 tQ ~ M N r O
C 10' 1.0' z LINE CHANNEL BASE 8 SIDESLOPES S~ y RIg3 M~oU~rnta m. Inc Q~DC30DT Ira. ~
~ O W1 NORTH AMERICAN GREEN 4 ~ , , , ' ' y _ . u. _ _ D 8' 7 y o P300. SEE CHANNEL LINER " y ~ ~fµlil>14'a4TYl,l.1,k"!hju'17 ~.~."CI~~(.AG'I'16?{ N V7NGH
x' ~ INSTALLATION DETAIL, DISCHARGE ' POOL VICINITY MAP w ~ w N NOT TO SCALE a wii~ _~~~°Ym
BASEWIDTH 3' GRADE AND COMPACT A LEVEL THRESHOLD. POINT X10 , WETLAN , LEVEL SPREADER ~4 W a F ~T w J~JQ ° Zy
SURVEY THRESHOLD, TO CONFIRM THRESHOLD IS LEVEL ALONG ITS' ENTIRE LENGTH. LIME, / ~ ~ ~ yW~WF2NW~LL0 N ~ ~~~~)a~NO~F
EX1S G G TIN R0~ SEED, 8 MULCH THRESHOLD. , C7 ~°u ~ayzz w i ®E",z ~ wW0 ~aWZ~y~ --~,__l z ~ 3 ~ ~

DIFFUSED FLOW OVER THRESHOLD DURING STORMS. Q ~ z a ~WF~a2~Om~W ~ 0 u.°U Oa Now z Ozw~FZ xW i`i~ - ~i V1F Z~t°~-~X~j
POOL ` ~ ti ~ - , DEPTH f f, a m ° SF~g~'~saac~~5
~ i-',~~ ~ ~ fi 0 z oaozz'~~z~F ~ ~ _ l U ~ >myu~~~~ Odd
~ ~ . DP ~1 ~ ~ , . _ _ ~ • ~ LEVEL SPREADER 3 ~ N ~ W Z ~ 5 ~ _ ~ ,
FINE GRADE, LIME, ~ SEED, & MULCH LEVEL ~ _ l~ ~ ;11 LV~~C,.2 i \ ~~JW-!~ (0200 \
SPREADER & SIDESLOPES, SECTIONS °gn ~~C~~, & "D° Q jp ~ ~ ~ t. f ~ ~ ~ \ w
' Q O
S ~ ~ ~ . k~.~ ~ wEr~s ~ ~ W ~ I ~ ~ ~ o
y ~ 1 LEVEL ~READER~.~13` \ ~ _ - ~ ` ~ n N M
, 1~ _ , 2oN€ 1 ~ ~ ~ ~ ~ ; LEVEL SPREADER ~2 - a
INSTALL RIPRAP DISSIPATOR PER PLAN. ` ; ~ ~ ~ NEUSE RIPARIAN ~ ~ W Q • rr ~ \ , ~
~ ~y / CONSTRUCT BERM 8 CHANNEL TO . L nx ~e , ` 50 STREAM BU k ~ ,1. ` j--~--~-_. ; I
DIRECT FLOW INTO LEVEL SPREADER. SPREADER 141, > > _r ~ ~ ~ 1
w H a LENGT " _
a SPREADER ~TAgLE. ~ RMANAGEME m LEVEL SPREADER MUST BE CONSTRUCTED f ; _ , ~ - Q i ,_..r ~ Q _ ~ i
S10RMWATE m / O SEE m t N O OUTSIDE OF BUFFER 8 PARALLEL TO TOPOGRAPHY, I ' OP , ~,F~ ~ A.. _ ' w >
N Z m ~ ~ 108 r, , ~ > _ , "ti. ~ ~ 3 ~ ~ U U 2 J O \ , ~~'f WEtI~NQS ' \w ~ / 0 m 0 m m ¢ II
~ ~ Z CONSTRUCT EARTH BERM HERETO PREVENT
Z ~ FLOW FROM LEAVING POOL AT THIS LOCATION. f f ~ ~ 106 ~ ~ o LEVEL. SPREADER X15 ` ~ i~ a N a ~ o ~ ai _ ~ LEVEL SP ER 16
r SPREA E _ ~ ~ ~ ~ A 1 ~
LEVEL THRESHOLD MUST BE LEVEL TO PRODUC ~ DIFFUSED FLOW THROUGH BUFFER. PERFORM w ~ ' /ir- 1 1; SE RIPARIAN r, t.
HRESHO MINOR GRADING, AS NEEDED, TO CREA "y " L T 104 ~ ~ ' ~ jh~;%~~ LEVE --LEVEL THRESHOLD. IT IS RECOMMENDED THAT ~ ' ' v ----a.....r ~ j= ~ ~ / 50 STREAM BU P , } f ~ EACH SIDE ~ it
THE CONTRACTOR WORK WITH A SURVEYOR. f r' _ • _ _ . ~ ~a 1 I, 4 r y i \ 4 ~ ~ : s .Ti ~ . ( ~ ~ ~ • a
~ ~ " , QED FLOW ~ ~ ~ _ t, a ` ? ~ a 0 ,y ' "
DIFfUS B 102-"~ DIS?UR ~ ` r \ 4
1 APA ~ P 2 f ; ~ \
SSE 100- Q ~ C A \ ~ 7 Aga \ U ,
, v~ i ~ ~ E ~ 1 \ ter Di~.y`~S.
~ DP X17 STURB _ DO NOT ~ _ • i _ \ ~ \ \ fir;;,.
BUFFED ` ~ ti r ~ " I ~ 1 ~ - ~ I a,~ . ~ ~ 11 ~ I~ , I I
_ ; ~ ~ ~ 1
~.A.; . ~ ; ~ v
- Rya,-~ Y , f . ` 1 1
NOT TO SCALE. s. ti ~ ~ . , ,I - y t0 ` j r ~ V ~ P ~ ~ ~ . ~ ~ =r.. a ...R6~ ~ 1 ; LEVEL SPREADER X28 \ ~ , ~ i
~ s , ~ , ~ ? ~ ~ ~ ; ~ ~ I , ~ 1 I LEVEL SPREADER i ~ ~ N .y ~ 1 i~ ~ M
'4d~ ? s ~ . ' ; , ~ \ 1 C i I ~ ti
a ~ . ~ , ~ , i ; p '"°o ~ 1~, 1 1 C r ; \ ~
r ~i ' r ~ ' f ~ f~ I r ~ ~ 1 1 W . ~ ~ ~ i 1
I C ~r x
; : i ~ , t 6 1, ~ ! ~ ~ q. ~ , 1,1 ~ 1 1 ~ ~ tL ~ ~ 1 11, 11 a X00
r , ~ DP ,~19 ;
r I~ ~ ~ ~ . r~ ; ' ~ 1 LEVEL SPREADER 27 : N op0 ~
w . ~ , i ` ~ ~ 1 I ~NM ~ DP =DISCHARGE POINT ~ ,
~ ~ : DP 20 * w II UN
~ l < \M ~ 'v 0 1~'~:` 11 a+Z~''~ ~ h i 1 ,
\ >.,1 l l a rn~ E
, _ l _ , 1 1 o rn E 0 ~vN
Y 1 1
~ r f _ i _ s ~f ~ ~ r I ~ ~ ~ \ ~ I I I . 0
I r - c 0 100 200 400 600 ~ ~ I~' I I t ° I > ,?r 11
~ . , 1`: 1 I ~ wET~A~as ~ ~o~ ~ROU~
l t J -fr r r ~ d~ ~ • 1 GRAPHIC SCALE -FEET I ~ ` I I
f ~ 1 ~ f < i r , ~ t i - ~ ~ ~ ~ ~l ~ 7 ~/A'+ , JUN 21 2004

~ , - ~ ~ ~ j - i..% WATER QUALITY SECTION
~
y ~ _ , 1~ ~ _
_ ~ , s_
1 , I ~AR~ - ~ r r STREAtx BUFff{1 ;_r. DRAINAGE RUNOFF TIME OF STORMWATER DISCHARGE # AREA COEF, CONC, I(10) Q(10) MANAGEMENT
, 1 ' - ~ (ACRES) (MIN.) (IN/HR) (CFS) DEVICE
r ~ ! LEVEL SPREADER 22 ~ ~ ~ ° , LEVEL SPREADER #1 6.6 0.35 15 5.6 13.0 170'L TYPE 3 LEVEL SPREADER
~ , ~ ~ ' ~ ~ _ - LEVEL SPREADER #2 2.7 0.35 10 6.5 6,1 80'L TYPE 2 LEVEL SPREADER
t ~ / . , , WETLANDS , s... ; 01 LEVEL SPREADER #3 2.5 0.35 10 6,5 5.7 75'L TYPE 2 LEVEL SPREADER
"Y : 1 k LEVEL SPREADER #4 0.5 0.35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER DISCHARGE POINT #5 0.1 0.35 5 7.2 0.3 NONE REQUIRED EX. MANMADE CHANNEL
11 ~ I l " ~ ~o LEVEL SPREADER #6 1.1 0.35 5 72 2,8 NONE REQUIRED NO BUFFER ~
LEVEL SPREADER #7 0.4 0.35 5 1.2 1.0 NONE REQUIRED NO BUFFER Z
~ \ 4 i ~ ~ I I A ~ _ / ~ ~ NEIISE RIPARUW ~ 1 1 ~ ~ ~ 1 _ I 1 50 STREAM BUFFER 7.2 3,0 NONE RE UIRED NO BUFFER W DISCHARGE POINT #8 1.2 0.35 5 Q ~ DISCHARGE POINT #9 1.6 0.35 5 7.2 4,1 NONE REQUIRED NO BUFFER ~ W
~ ~11 = ~ FACH SIDE ,..11 ~ i ~ 1 1 11 - ~ a 1'~, 1 ti i 1 1 _ ZO J, DISCHARGE POINT #10 4.0 0.35 10 6.5 9,1 NONE REQUIRED NO BUFFER Q Ur
. DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE REQUIRED NO BUFFER p U Q
ter"'" ~ . L. ~~r~ ~ , r~ 1 I . ~i~ DISCHARGE POINT #12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL ~ Z Z
~ ~ LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z ~ Q LEVEL SPREADER #14 5,4 0.35 15 5,6 10.6 140 L TYPE 3 LEVEL SPREADER 0 ~
A f ~ ~ ~ ' LEVEL SPREADER #15 4.4 0.35 10 6,5 10.0 130'L TYPE 2 LEVEL SPREADER I- Z p Q ~ lY
I tir A ~ - ; , l / ~ ~ / NEUSE RIPARIAN ~ ~ ~ ~ A_ ~ ) S / ~ ; LEVEL SPREADER #16 4.8 0.35 10 6,5 10.9 142 L TYPE 3 LEVEL SPREADER ~ p W V
50 STREAM BUFFER ~ / ~ ~ ~_.r , EACH SIDE ~ L / • DISCHARGE POINT #17 0,2 0.35 5 72 0.5 NONE REQUIRED EX. MANMADE CHANNEL cn U ~ I- Z DISCHARGE POINT #18 1,0 0.35 5 7,2 2.5 NONE REQUIRED EX. MANMADE CHANNEL z Z W z Q
/ DISCHARGE POINT #19 10.3 0.35 15 5.6 20,2 NONE REQUIRED EX. MANMADE POND 0 ~ 3 ~ ~
ISCHARGE POINT #20 3.3 0.35 10 6,5 7.5 NONE REQUIRED EX. MANMADE POND z } _ a4 D J > o ~ ~k
~ DISCHARGE POINT #21 1,0 0,35 5 72 2.5 NONE REQUIRED EX. MANMADE POND ~ ~ Z LL ~ Z LEVEL SPREADER #22 2,2 0.35 5 6.5 5.0 65 L TYPE 1 LEVEL SPREADER w N W ~
DISCHARGE POINT #23 0,3 0.35 5 7,2 0.8 NONE RE UIR D EX. MANMADE CHANNEL oa 4 ~
i' DISCHARGE POINT #24 0.5 0.35 5 7,2 1.3 NONE RE UIRED EX. MANMADE CHANNEL a W U ~ ~ 0-
1 j DISCHARGE POINT #25 2.6 0.35 10 6.5 5.9 NONE RE UIRED EX. MANMADE CHANNEL _
If' DISCHARGE POINT #26 0.6 0.35 7.2 1.5 NONE RE UIRED EX. MANMADE CHANNEL pR JECT N0, LEVEL SPREADER #27 7.2 0. 2 15 5.6 8.8 115 L TYPE 2 LEVEL SPREADER ~
1
y' I LEVEL 5h'KEAUEK #Zb I 3.b I U.Zb I 1u 1 0.0 1 O.U 1 10 L I T rt L LtVtL OrKtHUtn I 1
REFER TO LEVEL SPREADER DETAIL.
DRAWING N0.

CS01 3

JJ

r IF.

m ~ ~ m
--T--- - k~ ~.a. tip,
s o Ne~~, «ns+ ~ a~`~ - ~ 't~`~-
1 LEVEL SPREADER 010 = OCFS - 5CFS TYPE ~ rn / i ' ~ Z Z ~
POOL POOL CHANNEL m p J ~ ~ Pad ~ > > Z 7 mot ..1.t,.. ~ ~ 7 Q
'SECTION BASEWIDTH DEPTH BASEWIDTH , i r A 3 ~ j ~ ~ o `,~a . 0 ~ ~ a s ~ ~ ,•qa ~ r~
B 3' 1.0' rn S ; t ~ N
C 2.5' 0.8' CHANNEL ~ i ey ! ~ I 4~ i ti w,b f` `:t W N r ~ -'K,~;
2' 0.8' BASEWgTH 1' \ . I ~ , i ~
~OlNip ~ . ~ ; ~ ~ ` ~ ~ rn ~ rn
TYPE 2 LEVEL SPREADER (Q10 = 5CFS -10CFS1 TOP OF BERM TO BE 1' MIN. ABOVE LEVEL SPREADER THRESHOLD. '~r~..
POOL POOL CHANNEL VAR (.4' MIN.) SECTION BASEWIDTH DEPTH BASEWIDTH ~ ~ ~ ~ , ~ "ar ~ an tl~. / I N
5, 2•S 'G• A p W
B 5 1.0 1- DI9CNARGE POSIT f 7 7 'r. 1 i ~ rn ~ 1 ~i z ~ z
C 5' 0.9' ' DISCFIARCE POIt~! / ' POPIT t~ ;~ttlldpOr; p, ,k`~- W ~ W
i ' / ;.ay ~ ~r ~ w ~ ~ l~~~ 4t U W U
DISCI PREADER 010 =10CFS • 23 CFS TYPE 3 LEVEL 3 - ~ PdNI POINT DISClUIRGE ~ cr ~ a
rte, POOL POOL CHANNEL ~ LEVEL SPREADER THRESHOLD p~$(; ' ~Z POINT X28 ~ + ~ o _ 3 0
V~ SECTION BASEWIDTH DEPTH BASEWIDTH ~ IN BACKGROUND. pad ~g ~ DISCHARGE +1 , r', z o z ~ ~ LL,
10' ~ rn 1 , A m -p • • FINE GRADE, LIME, SEED, 8 MULCH , ~ , ' ~ " ~ ' POINT 5 i ~ ~ I
10' 1.1' ~ S~~ A CHANNEL, SIDESLOPES, 3 BERM. B 0 'i,•' d ~M~bco pl t0 t(~ ~ Ch N cda~ woo..n.m~ Mc : oaon oar k~.
C 10' 1.0' z LINE CHANNEL BASE rJ; SIDESLOPES WS NORTH AMERK:AN GREEN i r D 8' O.T rn S J „y ~ * ~ ~ aM> r~Ier`et.'Jbt Svb1C:: W l;csr~'CoGY'khr ~ W
P300. SEE CHANNEL LINER a, INSTALLATK)N DETAIL. 015CHAR(;E / VICINITY MAP ~ ~ ~ ~ _ a ~
POO1 GRADE AND COMPACT A lE1lEl i}EiE8FI0LD. ~ PDMR 10 C BASEWIDTH 3 ~ ' / / NOT TO SCALE ~ ~ w~' Q,~, / ".'T.~ ~ ~ \ / - LEVEL SPREADER ~4 )U 1) ~ J ~ ~ N
SURVEY TFEtESHOLD, TO CONF/OI TFfiE~IOLD ~ " WEtUN ~ ' ~ ~ Z y W S O ( ~ LL
G ITS' ENTEiE LENOIH. / \t IS LEVEL ALON Lam, ~ / ~1STING SEED, 8 MULCH THRESHOLD. ' . i ; ~ V' yp y
~i GROUNp , ~ / ! ~ ~ , 'ti ~ ~ a~ ~k;~ o ~ ~ ~ V~ c7 ~ Sg~yyl~ maW
DIFFUSED FLOW OVER T}NB'~IOLD OUf~Ki STr7lMB. ~ ~ ` ~ ' k I~ 0 O- W
POOL
D PTH ti• ~ ~ ~ ~ \ ~ E i 0 z N~
f` ~ ~ i U uWH I ~ ~ ~ ~ < ~ ~ ti ~
~~,v t FINE GRADE, LIME, ~ , % ~ ~ ~ 1 LEVEL SPREADER 3 ~ ~ > ~l ~ , , . ~ ~ 1 ~ ~ V ~ ~ ~ L~JW ~ m~~ i ' ~ \ \ ~ ~ hie k _
SEED, 8 MULCH LEVEL n n n n • n / ~ / ~ SPREADER S SIDESLOPES. SECTIONS B , C , & ~ i ; ' ~
~ . ~ ~ I ` ~ I ~ ~ Q O
1 ~ i ~ ? ~ ~ d' 1 .v v ~ ~ N ` W
~ ~1 ~ . LEVEL. ~ I t ~ ~ I LEVEL. 1 ? ? ~ 11 ~ ~ ~ rn M v I ~ - ~
~ i ~ ~ , J
1 j i > ~ INSTALL RIPRAP DISSIPATOR PER PLAN. , ~ ~ ; lEVE1 ~2 ~ ~ o.
~ ~ ' ~ NOSE Rlb IAN ~ r.~., r , ~ 1 - ~ l.l~ ~ ~ r 7,~ ~ I 1
CONSTRUCT BERM 8 CHANNEL TO ~ ~ ~ ~ ~ l DIRECT FLOW INTO LEVEL SPREADER. L ~ i ~ i ~ ? V _ y ~1 , a 'x,/ j i 1 1 i fir-" ~ 2
~ ~ \ f ~ . . -~---J' W % ~ j`M W U'
R ~NGTN l
~1Ea ~ N LEVEL SPREADER BE CONSTRUCTED I I i ~ ~ ; ~ ; ~ SEEStORMW N m ~ ' , ' I , +a 0 m o OUTSIDE OF BUFFER 8 PARALLEL TO TOPOGWIPFIY, I i 1}.. ? ~i ' F ? / Z
_ - ~ rte.. = ? 1, V U J 8 ~ ~ ~N
0 's CONSTRUCT EARTH BERM F~iE TO PREVENT ~ ~ ~ _ - _ / ~ . ~ s F 0 ~ ~ ! pr - ~,;~r ~ ~ l / ~ W ~
o FLOW FROM LEAVING POOLATiHISLOCATTON. . / a. W SA' ~ ~ 108 ~ ~ 'g ~ S ~ r / i Pik aN a~ oN y~
r R SP THRESHOLD MUST BE LEVEL TO PI~DUCE _ / ~ ~ *r ~ ~ ~ ? ~i , ,
~ DIFFUSED FLOW THROUGH BUFFS! PERFORM ; ~ - -t- , ~ ,1 , ~ NEUSE RIPARIAN ee
~I{OLD ~ MIN 1NG, AS NEEDED, TO CREATE ; TH - = - BEVEL 104 L THRESHOLD. IT IS RECOA~ElDEDTHAT - y` / ~ ; ,E ~ 1 ; ` / x-50 STREAM BUFFER . '(N ~Q~ r ~ ~ C / EACH SIDE ee
THE CONTRACTOR WORK WITH A SUtVEYOR ~ - - T _ ~ ~ i 1 FI, ~ ~
-'L. ~ ~ ~ ~ p FLOW ~ ~ _ > > i Y t j ~ ~
pIPFUSE ~Rg 102-~r"~ - NOT ~ p0 B \ / • f / ~ AL
,t
S'faEAM 100- ~ ~ ~Z , ~ C ~ ~
F. 7 ~ ? ~ ~ h2.
~ RB - - 4 ,6P 7 NOT DISH ~ ~ I { / I ~ ~ ~ ~S~li~'.,i~.
~ BUFFED ~ ` ~ , ; _ ~ - ~ v ~ ~ / I ~ ~ i ' I 11
_ ~s 1, ~ DUI L 11 _ ' 11 1
~ _ ~ i I II c0
~ r1 . ~ ~ I 1 IEVEt
NOT TO SCALE. ' _ ~ cq _ _ _ ~ i •r_. _ ~ I I I LEVa sPREAaER ~ N
- ~
i t ~ r -r- -II _ I1 m t I 1 1 1
. _ c ~ ~ ~ i I {Y ~ ^'V, Th
~ _ ~ i / r r'
~ ~ ~ ~ r'rr ~ ~ ~ _ 1 I I I I C ~ ~ K _ II II ~ ONCo .M, 1 1 1 1 y7 ~ N W E
i - - i i f 11 1 1 c ~ ~
ri ~ ~ + ~ 1 _ I i o 300
Jrr I ~ i' LEVEL SPREADER X27 ~ N O c
~i ;+Y ~ j DP ¦ DISCHARGE POINT I I p ~
I I ~ U M c 11 ~Zr ~
- , II ~ ~L^=
~ - 11 001~~ 1 11 ~~O ~
' OQ~~ U~~N
„ II ONV II II O = ~
R' I I I 02~
; 0 100 200 400 600 11 ?I wEt ,
_ II. iI
~ ~r' ER GRAPHIC SCALE FEET I
ENT r-- n - ~~N 21 200 4
~ ~ r` .ti;. wAr~ R Q(~
All~yS ~crlo~
,R.
~
/ r
DRAINAGE RUNOFF TIME OF STORMWATER DISCHARGE # AREA COEF. CONC. I(10) Q(10) MANAGEMENT
(ACRES} (MIN.) (IN1HR) (CFS) DEVICE
. \ LEVEL. SPRFJ?OER X22 r LEVEL SPREADER #1 6.6 0.35 15 5.6 13.0 170'L TYPE 3 LEVEL SPREADER
LEVEL SPREADER #2 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER
N~TUwos o ~ ~ LEVEL SPREADER #3 2.5 0.35 10 6.5 5.7 75'L TYPE 2 LEVEL SPREADER
LEVEL SPREADER #4 0.5 0,35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER DISCHARGE POINT #5 0.1 0.35 5 1,2 0.3 NONE REQUIRED EX. MANMADE CHANNEL ~
~ v FT P LEVEL SPREADER #6 1.1 0.35 5 7.2 2.8 NONE REQUIRED NO BUFFER Z
I R T I R~atuN IEVEI SPREADER #7 0.4 0.35 5 1.2 1.0 NONE REQUIRED NO BUFFER W
~ ~ ~ 5o SiRF~ au~ DISCHARGE POINT 1.2 0.35 5 7.2 3.0 NONE REQUIRED NO BUFFER ~ DISCHARGE POINT #9 1.6 0:35 5 7.2 4.1 NONE REQUIRED NO BUFFER ~ uJ
. ~ ti Tg f~+cll SIDE I ~ 1 ~ tf DISCHARGE POINT #10 4.0 0:35 10 6.5 9.1 NONE REQUIRED NO BUFFER Q
i, - DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE REQUIRED NO BUFFER 0 V Q
_ I ~ 11 INT 12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL W ~ Z Z DISCHARGE PO # LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z Q ~
t ` LEVEL SPREADER #14 5.4 0.35 15 5.6 10.6 140'L TYPE 3 LEVEL SPREADER 0 ~
1 . 130'L TYPE 2 LEVEL SPREADER F- Z 0 LEVEL SPREADER #15 4.4 0.35 10 6.5 0 0 Q ~ ~
t ~V / ~ ~ NEYIhE Ifry1M11 ` V ~ s ~ _ LEVEL SPREADER #16 4.8 0.35 10 6.5 10.9 142'L TYPE 3 LEVEL SPREADER F- 0 LU U
SO' SB~IMI BUFFI<R ~ ~ ~ ~ FACN 3DE ? DISCHARGE POINT #17 0.2 0.35 5 7.2 0.5 NONE REQUIRED EX. MANMADE CHANNEL cn U ~ I- Z DISCHARGE POINT #18 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE CHANNEL Z W Z Q Z -
~ i . 15 5.6 20.2 NONE REQUIRED EX. MANMADE POND 0 ~ 3 ~ ~ DISCHARGE POINT #19 10.3 0,35 ~ ~
~ i' ~ 1 ~ ~ ND Z DISCHARGE POINT #20 3.3 0.35 10 6.5 7.5 NONE REQUIRED EX. MANMADE PO J ~ c ~ ~
i DISCHARGE POINT #21 1,0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE POND ~ ~ Z ~ ~ Z LEVEL SPREADER #22 2.2 0.35 5 6.5 5.0 65'L TYPE 1 LEVEL SPREADER W N w 0
wit p 0.35 N R MAD HANN a ~ F'
f; a 0 F UJ d I 0.35 1. R I
AR P I 0.35 N I N H N R I# 0.35 N R IR E H NN
_ _ _ _ . PROJECT N0.
LEVEL SPREADER 7.1-la 1 0.22 1 15 1 5.6 1 1.8 1151 T P btKtAUtK
LEVEL SPREADER 7' TYPE 2LEVEL SPREADER 18631
REFER TO LEVEL SPREADER DETAIL.
DRAWING NO.

J'% CS01 3 J1
l ~

.

m m m
~ ~ ~ m 'z--- n S ' U ue~'d~ / ~h91
~a ' TYPE 1 LEVEL SPREADER (010 = OCFS • SCFS) ~ .~..7 j
POOL POOL CHANNEL m N D / ~ ' t ' i ~'\4d ' Z Z ~1 J r
SECTION BASEWIDTH DEPTH BASEWIDTH ~ 0 ~ of ?ad i~ ~ 7 Z Q ~~cr- ~ ~ 7 o ,Sd ~ ao ~ ~ O
A 3' z ~'y ~ ~ ~ ~ ' ,p
B 3' 1.0' ~ yS j r,, / ! ~ ~~6 i~ q~a'r
C 2.5' 0.8' CHANNEL 0 2' 0.8' BASEWIDTH 1' ~ + ~ W J . 'i: p~
F+--?I -~4--1+- NG GROUN / . • ~ I N ~ / ~r o ~ }
TYPE 2 LEVEL SPREADER (010 = 5CFS • 10CFS1 D TOP OF BERM TO 8E 1' MIN. ABOVE r'~. A
POOL POOL CHANNEL - - LEVEL SPREADER THRESHOLD, i ,~r I Z r ~4r 1R tl..,, N
I N WI TH P I VAR (.4' MIN.) 'SECT 0 BASE D DE TH BASEW DTH 2.7 ~ l I -
A 5' 2.5 ti• r, . / o ! a ~
5' 0.9' f ~~E POSIT ~ 7 'r - / s`r ~ w.~ ~i r ~ z ;~Ct~ioDr, p~ ~,k; W ~ W
~ ~ D 3 O.r DISCHARGE PAINT ~8 POINT POINT ~ ~ ~ ~ %11N A a& ~ N ~
_ ~ ~ ~ ~ ~o~ Y~ ~ W ~ bi U W U ~ 0
TYPE 3 LEVEL SPREADER (010 =10CFS • 23 CFS) ~ PC PdNi ~ i ~ ~ ~ C7 ~ d
POOL POOL CHANNEL ~ - ~ LEVEL SPREADER THRESHOLD pl$E ~ , PANT X28 ~ ~ f 0 0 "I ~ ~ v
SECTION BASEWIDTH DEPTH BASEWIDTH IN BACKGROUND. ~x :,t• ~ POINT tt~ \ ~ ~ A 1a' 'm~' ~ E i Z ~ Z ascNARCE a~,.t_ ~ I LLI
0 n n FINE GRADE, LIME, SEED, 8 MULCH , B 10' 1.1' H SECTION A CHANNEL SIDESLOPES 8 BERM. ~ ~ POINT ~5 I ~ v ° ~~e~~ a tONa~NrO
o I / C 10 1,0 Z LINE CHANNEL BASE 6 SIDESLOPES ~ ~ ' ~ ~ ~a ~ ~+boO~rRan~Me;d~'lOC90D?.Irtc ' ,
IY W1 NORTH AMERICAN GREEN ~ D 8 0,7 ~ S ~ ! P300. SEE CHANNEL LINER ~.1 ' x l ~ I i uM+r~veC. UK Subk. ~ l¢~ertxl~oCY'kbi N
POOL INSTALLAT ON DETAIL. DISCHARGE a i , ~ vICINITr MaP ~ ~
BASEWIDTH 3' GRADE AND COMPACT A LEVEL THRESHOLD. pp~ O = ~ ! J' ` SURVEY THRESHOLD, TO CONFIRM THRESHOLD w NIE1tAN / ' , NOT TO SCALE ~ ~ b ' c'm
! r ' IS LEVEL ALONG ITS' ENTIRE LENGTH. LIME, J ~ ~ / LEVEI. SPREADER ~4 v ~ ~ ~ ~ ~ ~ W ~ ~ r' / - N ~ V
FISTING SEED 8 MULCH THRESHOLD, ' r 'y ~G~ ~i GROUND ~ i;~~ ! 1 ~ ~ ~ ~w~ ~ ~~Wy~ ! ® ~ I N
r ( ~~r•` ~ ~5~~ ~m~ ~ ~ ~ y ~ obi o~(Q1mc~W
~--DIFFUSED FLOW OVER THRESHOLD DURING STORMS. ~ ~ f / a- W
~ ` r ~ POOL ~ ~ ry, ! - I t DEPTH , ~ f f ~
~ ' ~ a u, ~ ~ ~ 0 ~cd ° 'm x ~ ~ ~ ~
~ 1 ~ ~ , , U q ~a~ gF~
FINEGRADE, LIME, F ~ ,i ! ~ ~ SEED, d MULCH LEVEL n n n n n n I ~ r" ~ f ~ ~ ti LEVEL SPREADER 3 : ~ > ~ ~ ~ ~ t»~~~ m~~o
SPREADERSSIDESLOPES. SECTIONS B , C , & ~ ' - ~ ~ \ ~ 1 20 (1'~P. ~ ~ _ ~ ,
,J,~
, ~ ~ / A r ~ ~ 1 ~ l~~ O N ~
~ LEVEL LEVEL 1 , ~ ~ ~ - ,1 ` \ N co
i v ' V ' ~ r I _ } ~ ~1.. ~ ~1 ~ H ~ ~ ~ J \ ~ ',i ~
INSTALL RIPRAP DISSIPATOR PER PLAN. , . a 1 / .~;e ~ ~ 1 ~ LEVEL 2 ~ a -•l ~ j. ~ t ~ Q 1 \ ~ E Rlb NN r C. I
CONSTRUCT BERM 8 CHANNEL TO " \ ~ ! ~ ~ ` _ I ~ - ' _
DIRECT FLOW INTO LEVEL SPREADER r i - _ v~ ~ STR BU t.:~.~~ ~ i 1 1 ~ 30' cp~~1r,~.Y ~ .R ~ ~ c ~.ti -
NGTN / ; ( ~ / W
'a READER lE tr$~~ ~ SP TER MANhdE~~ N ~ r- ~ t~ \ s ' !
~ SEE STaR~A N m LEVEL SPREADER MUST BE CONSTRUCTED I ~ ~ ~ ~ r, 0 m 0 OUTSIDE OF BUFFER & PARALLEL TO TOPOGRAPHY. ~ ,1 ~ ' ' ~ h < m 0 ~ 108 ~ . r ~r; ~ ~ ~ ~ 'r~ ~ z , ~ W >
N Z ~ ~ o - ~ i ~,'a~ ~ r ~ ~ ~ . r ~ ~ ~ ~ v ~ W W -1 N
G CONSTRUCT EARTH BERM HERE TO PREVENT ~ _ i' W Z ~ FLOW FROM LEAVING POOL AT THIS LOCATION. ' % , a'~ , ~ , ~
~ ~ 108 ' ~~A / r r K r~ AR ~ i b ' ~ ~ i•i a N a~ o N m
~ r LEVEL SPR ~ THRESHOLD MUST BE LEVEL TO PRODUCE ~ ' ~ 4 s
r? ~ DIFFUSED FLOW THROUGH BUFFER PERFORM ` ~ , i Lp _ .r, ~ " J ' 1 NEUSE RIPNtWJ CA ??Jo
ELtH ESHO 104 MINOR DING, AS NEEDED, TO CREATE ~ R LEV EL THRESHOLD, IT IS RECOMMENDED THAT ~ - - r . ~ 4f THE CONTRACTOR WORK WITH A SURVEYOR. ~ _ - - j , • , , ~ ,4., ~ ti~ j ~ / l~"'"'S0' STREAM BUFFER ~ r ~ ~ ! t ' l ~ EAGH SIDE . ~
~ ~ ~ it ~U ° • 9
' ~e ~ ~ f
IFFUS RB 102---~ ' - ~ ' D lS'N NOT D ~ ~ A r DO ~ I , : ~ AL ~ !1 ~ i
B ~ 1, < < ~ ~ / ,.r r ; ~ ~ . ~ ~ 26 : t~
'y ~ \ ,
. ~ z ~J,
NRB p - - ~tffP 7
~ NBUFFE~ ` t ~ ~ ~ A ~ 1 - 1 _C~ ~ ~ ~ ~ ~ ' 11
`ti r i U L ' 11
~ ~ 11 ' 'v_ . IBY OT E . ~ ~ 1 1 f
E: 1 i i ~ ~ ~ ~ 11 I ~ 1 ' - I i t
NOT TO SCALE. ~ ~ ~ / ~ d ~ ~ r tD ~ - ' r LEVEL SPREADER X28 ~ ~p - - ~ ~ ~ I 1 ,
~ ~ r r~ ~ Y ~ ~ r 1 I LEVEL SPREADER ~i ~ N ~ M
I r~?_:r ~ 1 I I C ~ ~ ~ I' ' II 01 ^
f ~ ' ~ I ~ r` ! ~ / 'r l ~r ~,r I ! ~ 1 11 C O
~ ~ _ . r d, i ! ~ _ II z ~ I I ~ ~ x
j ; ~ a! ~ ~ ~ "i ~ .'w ( I I ~ O ~ c9
, ~ r i~ ~ i 1 11 ~ m~
' DP 19 ~ , , , . ~ r . a; I , . 11 ~ I I - ao ~ I o
' f , , ~r; ; , m<' ~ A nL 1 ! r "e.. I V UNDO ~
~ ~ , ~ _ LEVEL SPREADER X27 ` n W ~ DP ¦ DISCHARGE POINT I I O N M
~ 1 ~ ~ , ~ G ~ - . 11 ~V~ c
f.. ~ Y ~ ~ ~ ` ~ 11 ~t^=
1 ~ ~q. ~ 1 1 O~ ~ 11 a E
0 ~~7 U N
V ~ ~ t I \s~ ~`~a l ~ ` \ II .
\ .4. ~ ~ ~ , ~S ~~i 11 ~".1 i i 11 Oyu ' II II O=0
1 / % ~ j 0 100 200 400 600 11 WE ~ _ > „ r~a~osi ~ w
,l , y~.. - 11
1~ ~ / - ~ ~ ER GRAPHIC SCALE -FEET I ~ ' I I IJ JUN
. ENT 21 2004
:h;4: ~ wAr~~ , Qup~irr .
Y \1 J t r S~~ T1Ql~l
~
r
~ \ ~ ~ r5
w`~ e{ M DRAINAGE RUNOFF TIME OF STORMWATER
DISCHARGE # AREA COEF. CONC. I(10) Q(10) MANAGEMENT (ACRES) (MIN.) (INlHR) (CFS) DEVICE
~ x k;,r^ ~ ~ ~ P IEVEI SPREADER X22 LEVEL SPREADER #1 6.6 0.35 15 5.8 13.0 170'L TYPE 3 LEVEL SPREADER
LEVEL SPREADER #2 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER
WE1lANDS :pr. o / I LEVEL SPREADER #3 2.5 0.35 10 6.5 5.7 75'L TYPE 2 LEVEL SPREADER
1 ° LEVEL SPREADER #4 0.5 0.35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER DISCHARGE POINT #5 0.1 0.35 5 7.2 0.3 NONE REQUIRED EX. MANMADE CHANNEL ~
1 , LEVEL SPREADER #6 1.1 0.35 5 7.2 2.8 NONE REQUIRED NO BUFFER Z
1 R ~ ~ F T P RI ~ T 1 ~ NE)1SE R~ARpN LEVEL SPREADER #7 0.4 0.35 5 7.2 1.0 NONE REQUIRED NO BUFFER W
~ , 1 1 l 1 _ 50 STREMI BUFFER DISCHARGE POINT #8 1.2 0.35 5 7.2 3.0 NONE REQUIRED NO BUFFER ~
1 ~ EACH SIDE ' 1 1 ~ DISCHARGE POINT #9 1.6 0.35 5 7.2 4.1 NONE REQUIRED NO BUFFER ~ W DISCHARGE POINT #10 4.0 0.35 10 6.5 9.1 NONE REQUIRED NO BUFFER Q
~ / r DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE REQUIRED NO BUFFER 0 U Q
~ , ''F a~ ~ y' DISCHARGE POINT #12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL W ~ Z Z
~ ~ 1~ ~ LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z ~ Q LEVEL SPREADER #14 5.4 0.35 15 5.6 10.6 140 L TYPE 3 LEVEL SPREADER 4 ~
~ i i LEVEL SPREADER #15 4.4 0.35 10 6.5 10.0 130'L TYPE 2 LEVEL SPREADER Z p Q~ ~
REUSE RIPARWI ~ ~ ~ r - LEVEL SPREADER #16 4.8 0,35 10 6.5 10.9 142 L TYPE 3 LEVEL SPREADER ~ 0 W V
50' srR6w BUFFER ~ ~ ~ ~ , i~1~ _ J EACH s~E . ~ i . DISCHARGE POINT #17 0.2 0.35 5 7.2 0.5 NONE REQUIRED EX. MANMADE CHANNEL to U ~ ~ Z DISCHARGE POINT #18 1.0 0,35 5 7.2 2.5 NONE REQUIRED EX. MANMADE CHANNEL Z Z W z Q
~ ~ r t , DISCHARGE POINT #19 10.3 0.35 15 5.6 20.2 NONE REQUIRED EX. MANMADE POND 0 ~ ~ ~ ~
- R IR D EX. MANMADE POND Z J ~ DISCHARGE POINT #20 3.3 0.35 10 6.5 7.5 NONE EQU E J > o ~ ~
DISCHARGE POINT #21 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE POND ~ ~ Z a ~ Z
LEVEL SPREADER #22 2.2 0,35 5 8.5 5.0 65'L TYPE 1 LEVEL SPREADER w cA w Q I R PIT 0.35 7 N R E. MANMA HANN ~ Q ~ H
ti , 0.35 1. N R IR AN HAN a W O ~ N 0- R PINT
I AR P 1 0.35 .9 N N R MAN A E HANNEL
A ?ISCHARGEPOINT#26 0.6 0.35 5 7.2 1.5 NONE_R R EX MANMADE HANNE
LEVEL SPREADER#27 1 0.22 15 5.6 8.8 115'L TYPE 2 LEVEL SPREADER
'/I/ LEVEL SPREADER 8 1 3.6 1 0.25 1 1 5.9 7' TYPE LEVEL SPREADER 18631
REFER TO LEVEL SPREADER DETAIL.
DRAWING NO.

CS01 3

..d ii:

m m m
W ~ ~ ~ m 3 0 , ~ - - r~ of
TYPE 1 LEVEL SPREADER 1010 = OCFS • 5CFS)
POOL POOL CHANNEL m g g g w ~ ~ ~S 7 ~ ~
SECTION BASEWIDTH DEPTH BASEWIDTH H A 3' z
B 3' 1,0' ~ i~^;~ a f ",q r i .a
~ C 2,5' 0.8' CHANNEL I r,pf \1t +y S , f as ~ ~ 1wi a
D 2' 0.8' BASEWIDTH 1' / ! ~ i i `
~1S H--?1 -~H~- '"a, TING GRO ~ ? yr 'T, I N `,y`~~ ~ P~ ~ } y / .E~~ ! N 2 N
TYPE 2 LEVEL SPREADER 010 = 5CFS • 10CFS UNp ~ , , TOP OF BERM TO BE 1' MIN. ABOVE ~ ~ ~ ~ ~ z
POOL POOL CHANNEL - - LEVEL SPREADER THRESHOLD. SECTION BASEWIDTH DEPTH BASEWIDTH VAR (.4 MIN.) / ~ yr - e j 7
A 5' 2.5' 2.7 ! , r~' f f X01' ~s i ~ J
f / / Q ~ ~ ~ ~ LL _ o. ~ ~ ~
C 5' 0,9' DISCHARGE PON~R #7 1 , ~ ' :;ppctgppDr; p~ ~ k ~ W W
D 3 O,T p pqM ~ ) f pp~ POINT ? a, t~; ~ N ~ ~ W
\ ~ i TYPE 3 LEVEL SPREADER 010 =10CFS • 23 CFS ~ ~ 1 ~ i _f~a~ ~ ~ ~ ~
POOL POOL CHANNEL ~ r, J POINT ~ ~ a d 1~ a d 2 POINT 128 o 0
LEVEL SPREADER THRESHOLD SECTION BASEWIDTH DEPTH BASEWIDTH ~ ~ ~ ~ LL ~ IN BACKGROUND, pplM ~g ~ a r, ~ ~ ~ ; ~ f _ U R U rl ~ Z 0 Z
A 10' ~ N ~ l m 0 w ~ FINE GRADE, LIME, SEED, 8 MULCH , \ , / '
B 10' 1.r ~ SECTION A ~ , ; 0 CHANNEL, SIDESLOPES, 8 BERM, , ~ POINT #5 'ti ' ~ a € ch N ~ O
C 10' 1,0' z IN L E CHANNEL BASE 8 SIDESLOPES , , D 8' O,T ~ WI NORTH AMERICAN GREEN ~ ~ - } ~ ~ I, i ~ ~ ~~hcn qi t0 N tf' ~ ~ - a _ ~ >?OO)AboOwstaa~Mc,Qr10C9G0~11nC. ~ 1.
y ~ P300. SEE CHANNEL LINER ~ t ~ 1 x I i uhb ieleivtc. Use S+~r:"• fA l~~CemC~CoCY'kht N i /A;.;. ~ ~ ' ~ N
INSTALLATI ND T --~~a'~' POOL GRADE AND C MPA 0 E AIL D~{AR(;f ~ ` i ~ VICINITY MAP ~ ~ ~ ~ _ ! ~ -
BASEWIDTH 3 0 CT A LEVEL THRESHOLD. pp~ ~1 p % y , ~ SURVEY THRESHOLD, TO CONFIRM THRESHOLD s • WEMN ~ j ~ " r NOT TO SCALE ~ ~ ~ a > ~ m { , ~ ~ LEVEL SPREADER ~4 ~ G ~ ~ a ~
/l. ~'ti IS LEVEL ALONG ITS' ENTIRE LENGTH. UME, / ~ ~nsr ~ ~ ~ ~ rL' ~ - N
LNG GROU SEED, & MULCH THRESHOLD. ~ ~ Np , , ~ , M . / (7 ~ ~ s 0 ~ ~ ~
t~ , DIFFUSED FLOW OVER THRESHOLD DURING STORMS, ~ a~ o~ ~ ~ ~mZZ~ p~ o W
POOL ~ i ~ 1
DEPTH ~ ~ , ~ ~r ; ~ ^r ~ A` ~ ~ F~~~ '7~~ ~ i 0+ rp O F~ Z .
` 1 ~ ~ ~ z ~q~ ~~0~~
FINE GRADE, LIME, i ~ j ~ ~ . A U m ~i°~3 g~zrJi ~ ~ ~ ~ ~ ~ Q v ~ IEVEI SPREADER ~3 ~ ~ ~ ~ ~ ~ m ~ ~ o
i ~ i 1 A ~ SEED, & MULCH LEVEL ~ ; i I ~
SPREADER & SIDESLOPES, SECTIONS "B", "C", & "D" - --~--i i. ; , _ /J ~ ~ +tJ \ i \ ,a' ~ ' ~ V~ V ~ _ _ ~J ~ r .
~ r ( ~ ~ O \ ~ V~ O
.i ~5 t ~t N I ~ I~ ~ 1 ~ _ ,f ~ w vv I ~ I w v ±~l ~ d
; \ ~ ~ ~ ~ ~ ~~L~ ti IEVEI. 1 \ \ ~ ~ \ !i ' ~ ' i - \ \ to M
\ i )i F , - ~ \ Z I ~I - _J < 1 LEVEL 2
INSTALL RIPRAP DISSIPATOR PER PLAN. / ~1 t~ - - ~ I ~ ''V
f. , CONSTRUCT BERM 6 CHANNEL TO ' ` ~ ~ ~ _ - I - ~ \ H ,,,,,,Yr'*~ 1 1 30~ SaN~?ngy _R
DIRECTFLOW INTO LEVEL SPREADER. ) ~ ~ ` `1/ e L / ~ ~ ~
NO?N 1 ~ ~ I ~ " ~ ~ ~ a SPREADER LE 1 f Ft~~ ~ ~ r V 1 ~ W /`,y~~ y! ~ W C7
~ ,~R py,NAOE N _ i a S'roR~A LEVEL SPREADER MUST BE CONSTRUCTED ( ` i ~ N 7 A
o sEe m ~ OUTSIDE OF BUFFER 6 PARALLEL TO TOPOGRAPHY. ~ ~ ~ ~ ~ ~ ; ~ " ~ N ~ I- Q p ~ t'1, J i~ ~ y z ~ 108 r. ~ . ~ * . ~ ~ e y ' r i ~ ~r~ ~V ~?i~ A ~ H F- m 3 p
_ Z 0 ~ t . a 0 ~ CONSTRUCT EARTH BERM HERETO PREVENT ~ ~ ' ~ / i ~ ~ i • ~ ~ U U J R~ ~ fir ~ ~ / - ' W ~ ~ N
~ ~ FLOW FROM LEAVING POOL AT THIS LOCATION, ~ + ~ ; W ~ , t ~ 3 / ~ ~ / / / 0 m ~ m m II ~ ~ ! + ~ V ~ ~ V~
~ r 108 I ~ s ARl' S 5 r ~ ti~ a N ~ ~ o~ N~ / ~ /
r ; KIEL SPR ~ THRESHOLD MUST BE LEVEL TO PRODUCE ~ " ~ S i X16 r ~ i r~ ,1 ~I ~ ~v ! i e-..
~ ~ DIFFUSED FLOW THROUGH BUFFER. PERFORM ~ I ~ - ~ ' ~5' l'm ESHOLD MINOR LNG, AS NEEDED, TO CREATE Y ~ ~ ' ~ ~ ~ ~ ~ ~lltllttlll/ µ ' ~ , T~ ~ I NEUSE RIPARIAN C A I ~~~o
R IEVE 104 L THRESHOLD. IT IS RECOMMENDED THAT ; " / ~ ' I - ~ / 50 stREAM BUFFER + N R ~ ~ ~ r ~ ' Y EACH SIDE ',~~J, °`o
THE CONTRACTOR WORK WITH A SURVEYOR. M.._, . ~ , _ . _ ` : , i y 1 q, , 1' `~~0'°,'9 ~ , , \ • R
~ FLOW ~ _ ~ ~ o EO ! y p1FFUS ~>URB 102---~ ` ,/l ~ - r , , ~ e
DO NpT D ~ ~ ~ \ ~ ~ , . r 1Ij~ v ° ~ ~ , _ , ~ V ~~~v , v~ 26453 ; ~ r,
gTREAM 100-- ~ ~ . 2 / r 1 : t . ; ~ • ' :~n
C ~ ~ , ~ / '.$a~ ' l
~ \ ~ , \ A RB - - _ _ _ ~ ~ i \ ~ ASE'J~ d ~ V ~f . A'~
DO NgUFFE~ `
- U L 11
~~u ~ y, ~ ~ ~ ~ • , 11 11
~ - - _ 1. h k~\. + ~ Q - I 1 11 cO
e _ ~ ~ , II i ~ I' ~ I I 1 ~
NOT TOSCALE. /,l , ~ , ~ ~ LEVEL SPREADER 28
1 ~ t K ,J t _ t T - ' LEVEL SPREADER ~1 4! r ! ~ ' 1 I I G 1~
t r j.. v.... ~ ~ ~ f M~ I l CI - I i ~ ~ ! 1 11 C 0~
r _ -:o lil ~
r ~ t ~ ~ t _ ~ I I I f CI
I I I I O to cC
~"`-.Jti ! / S f `k - r - 11 I c ~ ~ $
' . 1 ~ ef./ ~ ~ , I I o M
k,.. ~ ' ~ ~ i U ~ N ao ~ ~l ~ LEVEL SPREADER X27 ` n O ~
r.. I ' S'"`' ' ~ ~ ~ _ ~ ~ F. if f DP ¦ DISCHARGE POINT I I ~ N t+?
i i pp _ ~ ~ I 1 yUM c k' 11 ~Z~ ~
~,ib _ ~ , ~ - ~l 11 ~
~ - ~ , . = 1 t E _ ~ 1 '1t o'~E
V l ~ \ ~ ~ ~ j P ~ ~ \ U ~ v~
f Ti . ` II ~~~~~c3 ° o II II ~1~1~3 O-
ti ~ ~ , ~ l ~ ~ \ I I ~(~I~~ o = c 0 100 200 400 600 I II ~ _ >
~ Ii SUN
~ ~ .A. , I I 21 ?pp II 4
~ ~J l SPwE i GRAPHIC SCALE -FEET I ~ I I ~ ATER QUA~I~
~ ENT ! ~ ~ / V ` ~ „ I 1 ~r--- ,f y % { 1 rs~cr
\ d' \ \ ~
, ~ I x
ti,?y 't /

~ f _ DRAINAGE RUNOFF TIME OF STORMWATER
BC , DISCHARGE # AREA COEF. CONC. i(10) Q(10) MANAGEMENT
\ ~ s~ ` ~ (ACRES) (MIN.) (INfHR) (CFS) DEVICE
\ ~ ; I ~ LEVEL SPREADER f 22 ~ ~ ~ LEVEL SPREADER #1 6.6 0.35 15 5.6 13.0 170'L TYPE 3 LEVEL SPREADER
" LEVEL SPREADER #2 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER
WEiLNIDS ,~1, o ' - t / / LEVEL SPREADER #3 2,5 0.35 10 6.5 5.7 75'L TYPE 2 LEVEL SPREADER LEVEL SPREADER #4 0,5 0.35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER
1 p DISCHARGE POINT #5 0,1 0.35 5 7.2 0.3 NONE REQUIRED EX. MANMADE CHANNEL ~
11 FT P LEVEL SPREADER#6 1,1 0.35 5 7.2 2.8 NONE REQUIRED NO BUFFER Z
~ R D T 1 ~ ' ~ I N E RIPARIAN LEVEL SPREADER #7 0,4 0.35 5 7.2 1.0 NONE REQUIRED NO BUFFER W DISCHARGE POINT #8 12 0.35 5 7.2 3.0 NONE REQUIRED NO BUFFER ~
~ ` ~ 1 50~STREAAI 1\ 1 1 ~ EACFI SIDE 1 DISCHARGE POINT #9 1,6 0.35 5 7.2 4.1 NONE REQUIRED NO BUFFER ~ W
, i' 1 10 1 DISCHARGE POINT #10 4.0 0.35 10 6.5 9.1 NONE REQUIRED NO BUFFER Q
l ~ _ DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE REQUIRED NO BUFFER 0 U Q
1 ~ ~ ~ I DISCHARGE POINT #12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL W ~ ? Z LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z Q
~ ~ 1 LEVEL SPREADER #14 5.4 0.35 15 5.6 10.6 140 L TYPE 3 LEVEL SPREADER ~ ~ 3
. t ~ ~ i I i i L VEL SPREADER #15 4.4 0.35 10 6.5 10.0 130'L TYPE 2 LEVEL SPREADER F- Z p E ~ Q~ ~
~ NEUSE RIPARUW ~ \ < < 50' S1RFaM BUf~R ~ ~ \ i°~ LEVEL SPREADER #16 4.8 0.35 10 6.5 10.9 142 L TYPE 3 LEVEL SPREADER 0 LLI U DISCHARGE POINT #17 0.2 0.35 5 7.2 0.5 NONE REQUIRED EX. MANMADE CHANNEL N U o F- Z
EACH SIDE ; ~ 1.~ / i , ` DISCHARGE POINT #18 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE CHANNEL Z Z W z Q
i ~ ~ ~ F ~ DISCHARGE POINT #19 10,3 0.35 15 5.6 20.2 NONE REQUIRED EX. MANMADE POND 0 ~ 3 ~ r.
~~M ~ s I' R D EX. MANMADE POND Z - ~ DISCHARGE POINT #20 3.3 0.35 10 6.5 7.5 NONE REQUI E J > o ~ ~k DISCHARGE POINT #21 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE POND ~ ~ Z ~ Z
„ ~ LEVEL SPREADER #22 2.2 0.35 5 6.5 5.0 65 L TYPE 1 LEVEL SPREADER N o Q
I R PIT 0.35 R ANM HA N o ~ f-
0.35 1. N R R N A a 0 F N4. i R PI
1 AR E P I 0.35 .9 N N R IR MAN E NN I HA P I 0.35 N N R IR X M N E HANNE
- - PROJECT NO.
I LEVEL PR D R 7.2 ' Ir rMCAu
LEVEL SPREADER #28 1 .6 1 0.25 1 1 5. 78' PE LEVEL SPREADER
REFER TO LEVEL SPREADER DETAIL.
DRAWING NO.

CS01 3

m m m
u~~ TYPE 1 LEVEL SPREADER (010 = OCFS • 5CFS1 ~,~~m ~ ~ ' o • mop. a.._.......
POOL POOL CHANNEL m , ~ ~ i ~'i~-
SECTION BASEWIDTH DEPTH BASEWIDTH f ~i ~ ~ g g w ~ ! 'off a.d r- _ > > z
A 3' Z l.+` 'r p A.N'0' i ~ ~
B 3' 1.0' ~ ' J~ y$ i ~ ~ ~ O `"Ta
C 2.5 0.8 CHANNEL D 2' 0.6' BASEWIDTH 1' 1 °r
r as nNG GR !I 4 O i~ ~ ''~;bF~, t ~1 W N
TYPE 2 LEVEL SPREADER (010 = 5CFS • 10CFS) ENO ~ ~l o i >
TOP OF BERM TO BE 1' MIN, A80VE POOL POOL CHANNEL - - LEVEL SPREADER THRESHOLD, ~ ~ .W3,'~`c=*i W`~~ ~ . ~ fir' ~ ~ ~ z
SECTION BASEWIDTH DEPTH BASEWIDTH VAR, (.4' MIN.) ~ ey/ I ~ o
A 5' 2.5' ti• f J~,.~ ~Qr en E~ ~ ~ ~
8 5' 1.0' _ C 5' 0.9' DISCHARGE POINT ~7 ; , ; j"~ ~ f ~
D 3' \ o.r DISCHARGE POINT ~8 ~ / / POINT r _ j o~ ' N LL ~ Q'
POINT ~T „.ORct+otgDr,gp; W`,' pJ ~ W ~ ~ i ~~~A;! 1 ~ ~ ~ W ~
_ ~ ` ` / TYPE 3 LEVEL SPREADER f010 -10CFS - 23 CFSI - ~ DISCH _ _ POINT DISC i'j ,.`9i o W o
~ ~ - 'f.: v~ • POOL POOL CHANNEL ~ LEVEL SPREADER THRESHOLD / , ~ .'~ti ~ ~ POINT ~ DIS'CFIARGE ~ ~ ~ POINT X26 ~ ~ cJ i d
SECTION BASEWIDTH DEPTH BASEWIDTH LL ~ IN BACKGROUN E ~ ' ~ A 10' ~ y D, POINT ~9 ~ ~ O ~ t' t U ~ U
m _ ; ~ , B 10' ~ ~ ~ FINE GRADE, LIME, SEED, 8 MULCH ~ ~ ~ ~ • ~ ` ~ ~ 1.1 ~ SECTION A H \ ~ r ~ 2 O Z ~ 1 A
z CANNEL, SIDESLOPES, & BERM, I , , C 10' 1.0' POINT ~5 ~ ! ~ ~ ~ , ~I,~ ~ ~fAA[n ~ l(~ ~ M N r O
LINE CHANNEL BASE 6 SIDESLOPES ~ \ - } , " A~ D 8 O.T WI NORTH AMERICAN GREEN ~ ~ ~ y~~ yg ~ , y ~ ~~am ~ : maon aar. i~ '
P300. SEE CHANNEL LINER i~ POOL INSTALLATION DETAIL. !A - /T x ti I r rMe rme~re0, the SuSJr:?.hllicentelCGrGV'kht w
BASEWIDTH 3' GRADE AND COMPACT A LEVEL THRESHOLD. DLSCFURGE / - POINT X10 ''~j I ;,r i VICINITY MAP ~ _ t~
~ ~ " ~ SURVEY THRESHOLD, TO CONFIRM THRESHOLD ; IS LEVEL ALONG ITS' ENTIRE LENGTH. LIME, ~ ' , ; ~ ~ \ NOT TO SCALE ~ ~ ~ ~i m ~ ' ~ ~ ~ / / LEVEL. SPREADER 4 w ~ ~ • ~ ~ ~a
EJAS11 ~ ~ , NG GROUN SEED, 8 MULCH THRESHOLD, ~ ~ ! ' --~'f ~ 1 ~ f ~ ~s 1 J ~ ~ ~ LL r. ~a~ ~ o_
0 i , ~ j , ~ \ ~ ~ I % / Ur C i~ ~ F ~ < ~~Wa~ / cr © ~ I N
~--DIFFUSED FLOW OVER THRESHOLD DURING STORMS. ~ / ~ ~ ~ IIIF V10 <W
POOL A ? ,~/`~`'-v.~,,4\ i. \ ~ 1 rJJJ~iii y CC U ~ _ W \ \ C7 ~ O= FZ =Wrc~
DEPTH ~ l; _ ? ~ , \ X ~ ~ v` ~ ~ ~ ~ ~ ~ ~ ~F a ~
~ . , i V T ~ ~ ~ ` ~ ~ 0. ] o ~ ~ i ~ q ~ €
FINE GRADE, LIME, _ j , SEED, 6 MULCH LEVEL I ~ r ~ i ~ s ~ 0 3~~- I ~ ?V U ~ o ~ S f < LEVEL SPREADER 3 y ~
, SPREADER & SIDESLOPES. SECTIONS "B" "C" $t "D" 1 E_ I _ ~ ~ ~ j ~ ~ \ ? ~ !1 ~ ~ ~ >
_ _
~ ~ 1'. ~1 ~ ~ ~7 ~ a ? ~ ? j ~ ~ ~ ~ ~ ~
O ~ ~1 ~ , . ' ~ t V + ~ ~ Q ? ~ ? p N \ ` r ' r~ ( \ \ ~ W
i` ~ r ,l ~l L~. ~ ~ A~ ~ i ~ ~ \ it \ ~ ~ ~ ~ ~ ~ ~ ~ N ~
iNSTALI RIPRAP DISSIPATOR PER PLAN. ~ ' ~~I '
J, CONSTRUCTBERM 8 CHANNEL TO ~ r,,,.-- ~ ~ ; / ~ / ` ~ ? . ? \ l LEVEL ~2 U ~ a ~ ~ .~y ~ ~ RIP ~ ~ Q
, , a,~ _ _ D RECT FLOW INTO LEVEL SPREADER. a t ~ STR BU ~~iira ~ 1 x r i -...r,~ ~ A ~wYd~'~ ~ I 30~ SANITARY 'R U
;dry r . _ _ _ ~ ~i;, ,r ' ~ ~ 1 ~'c~~~ a ~
ER lEN ~ / a SPREAD ~T~e, ' I ~ ~ ' NAOE~ ;?'h. ~
~ ESTO~A~R~ m LEVEL SPREADER MUST BE CONSTRUCTED , . , _ ~ I ~ r SE y , 1 j' ~"h ~ ~ ~ a T ~ z
Q w m ~ OUTSIDE OF BUFFER 8 PARALLEL TO TOPOGRAPHY. i ; ~ 1 ~ ~ ~ N z ~ ~ 108 :ate r~ P ~ - ~ i
~ ~ CONSTRUCT EARTH BERM HERE TO PREVENT „ - r ~ ~ ~ 1 ; , ~ 1 r % ~Q A \ \ ~ J S
w Z p FLOW FROM LEAVING POOL AT THIS LOCATION, k ~ ~ ~ ~ ~ 108 ~ 1 ~ ~ am am m
r ~ , ~ I . r 1 $ L 5PR , , ~ ~ a , t aN oN N~
_ 'A LEVE ~ THRESHOLD MUST BE LEVEL TO PRODUCE ~ D USED FLOW THROUGH BUFFER. PERFORM ' ~ r ` ~ ~ r . ; j S ERr'~1 i
ELTH ESHOLD MINOR LNG, AS NEEDED, TO CREATE °'-a° , ' ~ R,y LEV 104 EL THRESHOLD, IT IS RECOMMENDED THAT ~ r ; ~ ~ i ~ i r ~ a,, ~ , ! I ?~m+n? , ~ / ~ 1 NEUSE RIPARIAN ?r°~° ~ ~ ~ ~ ~ ~ F ~~~'S0 NSTREAM BUFFER CAROB a~°e
THE CONTRACTOR WORK WITH A SURVEYOR. ~ - i~ I r I \ ~ ~ . ~C•"~~~..~, 1 EAC SIDE „ ~ s~ ~ rp~
, a _ _ , ~ ~ / OW ~ ~J' f l _ pIFFUSED FRB r _ . 7 - ~~C~- % ~ 1' V pfd
T DIS 102--••--"c f - , ~ ~ DO NO t ~ ~ ~ ~ v ~ V \ /r ~ I
a ''r ~ ,I I A ~ : ~ ~ \ „ aL . • ~ ~ _
TREANI 100-- ~ ~ ~ ~ s-~'' ~ I ~ ~ fz ~ v. ~4, > ~ I \ . ? 264°3 : ` i ~ ~ ~ ~ • $ JAN ~ .

~ \ i ~ \ \ P~ fv • ~ ~ 3G' SAN $ WAR \ \ ~ l p, 1
~ NBUFFE~ ~ i a ,y
~ i~ ~f V~' ~ J ~ \ _ _ U 11
~ ~ ~ f ~ ~ ~ ~ ~ , ' v' ~ ''r_ r / ..fit'./ i. ~ ~ ' I ; 1 ~ 11
- ' - - - s~~ r~, , ~ _ - ?G`. I BY OT E . ~ 1 1
NOT TO SCALE. j . ,.l PY a j.. , ~ ~ i 1 ~p - rl
"}~i I °rkr.'"". _ ~ LEVEL SPREADQt 2e
1 LEVEL SPREADER 1 ~ N
- f 4 ' / ~ f ~ ^v ' r I 1 I I ~ r. L I l e ! 1 of
_ ~ _ R. `Y ~ I ~ , ' - _ _ ~ v 1 1 C ~ ~ - { ~ ~ 1 ~
~ i ~ 1 ~ , i ~ ; ~i ~i5( i I I I I II C r
- .i. ~ , ~ ~ - - \ 1 1 r X
~ t' . r; - - v:';~. ~~4t i i r DP 1st H~ ~ r~ ' _ - 1 1 1 1 ~ N t1' ~
+ ',1 ! ~ 'wj 1 1 ~ C oD ~ I - ~ 8 ~ c ~~M
7 t ~ J I V NNCO ~ LEVEL SPREADER X27 ` r op ~
1 ~p t _ DP ¦ DISCHARGE POINT 1 1 Q N M
1 h~ ~'f ~ I VI" / Vy' ~ N • 1 1 SUM C k; 1 .«.Zn ~
j f. TiM1 `t~' ~ r,tt a~ .a~ ` ~ ~ k - f I1 ~t^_
V ` ~ ~ ~ ' ` ~~1 1 1 CIS E
~ ! i Fir - - - ~ ~ s, '11 '\\1 0 Qv7
II U w R .s Ei7.AN~~ , ~C ~ ~ ~ o U
f 11 I I ,~~Cl~lt o
~ ,A 0 100 200 400 600 1 11 ° 11 r2~ 11 ~U N 21 200
' V ~ 1~ 1? 4
S~'rbER 1 s ti . ENT ~ ~ ~ ` GRAPHIC SCALE -FEET 1 ' I 1 ~ ~ WATER
i i ~ ~lA~r~y $ ~'CTI01
t. ~ l ' 'Y I
w. 1 / ~ i
ti ~

i \ _,v
\ ~ DRAINAGE RUNOFF TIME OF STORMWATER DISCHARGE # AREA COEF. CONC. I(10) Q(10) MANAGEMENT
~ ~ (ACRES) (MIN.) (INIHR) (CFS) DEVICE
~ ` ~ 1 LEVEL SPREADER X22 V ' LEVEL SPREADER #1 6.6 0.35 15 5.6 13.0 170'L TYPE 3 LEVEL SPREADER
yy~~}}~~ ~ - 'o nL~IJ~~YJ ~ \ b LEVEL SPREADER #2 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER
LEVEL SPREADER #3 2.5 0.35 10 6.5 5.7 75'L TYPE 2 LEVEL SPREADER LEVEL SPREADER #4 0.5 0.35 5 7.2 1.3 20'L TYPE 1 LEVEL SPREADER
1 1' 4 "t DISCHARGE POINT #5 0.1 0.35 5 7.2 0.3 NONE REQUIRED EX. MANMADE CHANNEL
1~ ~ FT i- R D T ~ P ) LEVEL SPREADER #6 1.1 0.35 5 7.2 2.8 NONE REQUIRED NO BUFFER ~
~ ~ , . ~ I ~ I NE~SE ~PARUN LEVEL SPREADER #7 0.4 0.35 5 72 1.0 NONE REQUIRED NO BUFFER Z
~ ~ EACH SIDE DISCHARGE POINT #8 1.2 0.35 5 7.2 3.0 NONE REQUIRED NO BUFFER W DISCHARGE POINT #9 1.6 ~ 0.35 5 7.2 4.1 NONE REQUIRED NO BUFFER ~ W
~ i r DISCHARGE POINT #10 4.0 0.35 10 6.5 9.1 NONE REQUIRED NO BUFFER Q Ur
~ DISCHARGE POINT #11 3.7 0.35 10 6.5 8.4 NONE REQUIRED NO BUFFER 0 U Q
~ - I ~ i i DISCHARGE POINT #12 2.1 0.35 10 6.5 4.8 NONE REQUIRED EX. MANMADE CHANNEL W 0! Z Z LEVEL SPREADER #13 2.7 0.35 10 6.5 6.1 80'L TYPE 2 LEVEL SPREADER Z Q (J
t ~ ~I ~ ; i' ~ ~ ~ ~ ' ! LEVEL SPREADER #14 5.4 0.35 15 5.6 10.6 140 L TYPE 3 LEVEL SPREADER 0 ~
~ 4~ , LEVEL SPREADER #15 4.4 0.35 10 6.5 10.0 130'L TYPE 2 LEVEL SPREADER F= Z ~
t RIPMIAN , ~ ~ ~ ~ A 1' Q~ ~ LEVEL SPREADER #16 4.8 0.35 10 6.5 10.9 142 L TYPE 3 LEVEL SPREADER 0 W DISCHARGE POINT #17 0.2 0.35 5 7.2 0.5 NONE REQUIRED EX. MANMADE CHANNEL N U U ~HZ
~ ~ i~ ~ ' DISCHARGE POINT #18 1.0 0.35 5 7.2 2.5 NONE REQUIRED EX. MANMADE CHANNEL Z Z W z Q
~ i r DISCHARGE POINT#19 10.3 0.35 15 5.6 20.2 NONE REQUIRED EX. MANMADE POND 0 ~ 3 3 r
1 r. w DISCHARGE POINT #20 3.3 0.35 10 6.5 7.5 NONE REQUIRED EX. MANMADE POND Z } _ ~ J> o
' ~ ~ r ~.~~;.v . DISCHARGE POINT #21 1.0 0.35 5 T.2 2.5 NONE REQUIRED EX. MANMADE POND ~ ~ Z LL ~ Z LEVEL SPREADER #22 2.2 0.35 5 6.5 5.0 65 L TYPE 1 LEVEL SPREADER w N W ~
I;' I R I 2 0.35 7 N RE I X MANMAD ANNE ~ ~ I--
r I HAR PINT 24 0.35 1. N R IR E AN ANN a 0 F N d
,F, DI AR E P I 5 2 0.35 .9 N R ANMA E HANN I HA E P IN #26 0.35 N N R IR ANM DE H NNE
r I LEVEL SPREADER 7 8. 1151 LEVEL TYPE 2 SPREADER Mu,iet;I nu.
LEVEL SPREADER #28 4 .6 1 0.25 1 1 6.5 1 5. 78' TYPE LEVEL SPREADER 18631
REFER TO LEVEL SPREADER DETAIL.
DRAWING NO.

CS01 3

m }
t;. N m S rig ~7e R - vE~'"'v?y~
THE CONTRACTOR MU5T LIMIT STREAM DISTURBANCE AND EMBED STREAM CULVERTS ACCORDING TO THESE PLANS, IF STREAMS ARE IMPACTED BEYOND WHAT IS SHOWN, THEN THE PROJECT MAY BE SUBJECT TO BIG MITIGATION FEES f _a~xvCle ~~~!h~. r
FROM NCDWQ ANDlOR USACE. 07-f+. W ~ ~~.'~4~ . i:, }
~~2 945 P~u~U R"~ _r _ ~ . ~ a
THE CULVERT MUST BE EMBEDDED BELOW THE STREAM CHANNEL, TO ALLOW AQUATIC LIFE PASSAGE. N h. 1 yr
MIN, EMBEDDED DEPTHS ARE AS FOLLOWS: r, `'d a > , j m
CULVERT DIAMETER: MIN)MUM EMBEDDED DEPTH; ' r ~4G~~ fa -r,' ~ ~ ~
18" OR LESS 0.3' ~ a4p"~ o j
24° 0.4' w ; $ ;j 1~,, c~67 a fA
30" 0.5' 36" 0.6' ~ Z 1' ~'rl.. x ~ 0
42" 0.T ~ ,a~o~ z N
48" 0.8' ~,F~ ~ ~ ~r g W
54" OR GREATER 1.0' i n ~._r i i
` r` ~ /
a t ~,,,.r ~ ~ a ~ ;,r n~. vas, ! i ~ ~ ~ ~ ~ r';ii C~
''r / TREE PROTECTION FENCE I a ~ o
(OUTSIDE OF CHANNEL) i ~ U
q F!
TREE PROTECTION FENCE IMPACT 6: A „ ~ i f l ~ ~ tt ~ 1 g ~ P? ~ + ,r ~ R~tAbrkh[o f0 ~ d' M N r O
OUTSIDE OF CHANNEL) / ( ROAD (PHASE 3) J r r r t 1 ~ ~ _ - ~dp3 ~AYCQVYaka m. Inc ~.20C'39Df ono. ~•t ? f
RIPRAP APRON MUST CONFORM ~ r i ,~wG,phJ> iNServeis'~lSa ..~Je.'. ro l.r.:orr,~~f„y;,,"!~t!T: v ax"~N
, TO EXISTING CHANNEL AT END ` ' t~ VICINITY MAP $p1~, w u~ w y
7 N i, OF APRON, SO THAT NO GRADING E ~ r ~ f ~i NOT TO SCALE ~ ~ °'b ~'o i m ~ ( rF ~ y~y~ ~~ww~~ao ui
IS NEEDED BEYOND THE APRON. . + r i ~ ~ Zw~ t ~~UO . , j t f ~ k JU{y r~ ~ ~ F p I ~ . ~ a ~ w
f' ~ .r F DO NOT ~Xt OOQ ® LL o a'Q~SaN
a DISTURB EMBEDDED DEPTH , ~ ~w,; ; BEYOND DO NOT :f ~ ' r ~ ~ >F ` IMPACT 1: ~ ~ 5 ~ ~ < g o m a ~ - ~ # ~ ~ w
r ~ ~ a0U y + QVj~~ ~ 0 Z ~ z~ 2 W W ROAD PHASE 3 SE Z oa -x ~LL ( ) ~
FENCE. RIPRAP APRON WEtIAN DISTURB ~ ~F ~i ~4 ~ .A ~ sF,~ i s J ~ ~ F2Ug wow JqQ ~ ~ ~ z , ~ SEE DETAIL a ~ o qF a , ~ ~ ~ < ~ ~ ~
BEYOND 'A~'~"~ ~~`f FENCE, f e.~ ~ rr, r ~ 0 z 3~ao~rc ~'~zNa s ~ i U > WwW~ 0~_
~ e 7 ~ i f ~ U a z-a x r ~i I l~ ~ N ~~ZyO~QCw
NOT TO SCALE. r' % ~ ~ SEE PLANS FOR ADDITIONAL INFORMATION, , ' r`" = ~ S i ' 7~`:,~~ !'~7~~~~m200
'ti , RIPRAP LENGTH ` ' tf
,1 CULVERT LENGTH ` ~ ~ ' 1 ~ ; ~ ~ t ~ i 4 ~
20' ~ ~ r~~ i ~ IMPACT #2: o N 1 ~ ~ ~ 1 W
7- ~ yr' + rr TOTAL STREAM CHANNEL MEANDER DISTURBANCE LENGTH =149' ~ \ i ~ ~ ~ ER PHASE 3 ~ ~ ~ SEW ( ) ~ cn ~ ~ `t _ ' ~ A ~ ~
~ ` ~ a~4 ~ e
~ M ~ ~ ~o.. ~ , r - ~ ~ ~ 1 ~ LL Q
N S: IMPACTS AT STREAM CROSSINGS NCDWQ REQUIREME T ~ ' ,t ~ ~ I j ~ ~ ~ \ t' ~ i t
~ ~ ~ t l ' r` ~ ` ~ l l r a j. ~ ~ t ~ ~ ~ ~ ~ Iw~os r • ~ a
.e ~ , i l f ~ n...... r ~ < i ~ / , ~ ~w^^ ~ ~r` .t, r '
~j 1 , r ~ F ~ ` Z f _ 1 In
f 1 i ~ t , i f E1 i ~'~e~~``~,~ f e~ ~ E . ~ f r~ 20' SANITARY ~ ~ w }
gyp, ~ -.o-.~( ~ t
~ ~ ,.~.'~~?r'~ 1 ~ f ( f h ~ , i l" , ~ r ~ _ ~ ~ 0 m ~ m ~ m U n
D ~ v r 1 S r ~ ~ ~ ~ ~ ~`a ~ d U) N D fA N ~
Rn ~ ~ ( I f 7a ~1WI 5~ ~ A ~ s ..r
Q a r ` ~ ~ 1 t J ~ i F .,..r ( F', ~ ~ / - ~ ~ IMPACT 5: r , ~ A ~ t ~ V
:i. ~ , `-mot D ~ ~ i 0 i , ~ / HASE 1 ~ : . ~ ~ ~ ~ SEWER P
N , ~ ~ DI ~ r ST ~ ~ r ~ U,~ ~ , [ f ~ y ' s ' TRE~1 EAC
~ B S
F CLASS I ~ ?`i i ~ 1
R TPF 20'W X 0'"fH 0 ~ , N - _ _ _ j IMPACT ~3: ,
R ~ I = - ~ - ~ ~ % ~ ~ ~ SEWER PHASE 1 ( )
~ _ I ~ ~ .Q i , 4 F NE~g ~ ~ ~ ~ ~ _A , ~
~ f 1 1. ~ ~ RIP \ _ r
~ ~ ~ I r ~ r ~ ~ ~ r
~ ' ~ ~ f, O r ~ , 50' TR F R S EAM BU FE i r , ~ ' . ~ ~ ~-EACH SIDE
N h,. Df T t; ~ t fll ; S ;1 II I !r~ V f i R ~
B r. . , , , \ ~ EM ~ ~ ~ t0 ! 1 ~ ~ ! ~ ~ a ~ ~ ~ o. ~ r ; ~ v r w,
y (0 ~ ~ t • , ~ j t i ~ AA'' 1
~ TWIN 60"CMP CUL ERT 75'L W1 NCDOT E WALLS d~ , , ~ ~ 1 q ti ~ ' ,i' ~ . , ~ I i 1 ~ N
. ~ ~ i . - ! 1 a' w, R.''ol f ~ ~ v~ ~ s ! ~_i ~ ~ ~
EAN R DISTUR ANCE LENGTH:1 ~ ~ s ~ 1 ; ti ~ i r ,c ~ 1 ~ fr Cn - I FU RE ` LLi ~
ZONE 1 FFER D TURBANCE: 8,100 S t - r - w.... ; , - ~ DEVEL MENT I Cn w _ . _ ~ ~ , k. BY OT ERS ' ~
ZONE 2 BU ER STURBANCE: 3,800 SF ~ ~ ~ ° f° j • t•,~• i r / , ~ X j i i ~ ~ O t0 tC
ti" i / i i' ~ t. ~ y _ t ! ~ ~ i ~ ~ ~ 1 ~ ~ 4n u,. E I t ~ I I ~ h pp
\ v.- ti ti IMPACT#1 DETAIL ~ ~ ~ ~ ~ ~ r r ~ 1 ~ ~ Q i ~ ~
~ ~ ~ ~ ( ~ ~ N tl0 ~ W~,. ~ ; ti ~
1 - 50 ~ , _ i ` , ~ NM,_
t i. - , w - ~ • ~ c
/ i ~1 ~zM i ~ ~ i~ ~
o~rnE ` a
~s IMPERVIOUS DATA: ~ , ~ Qo~E ~ ~ ~ ~
_ \ t ~ TOTAL TRACTAREFI: 171.1 AC+I- '~,'GL -l-J}r~'ll~ ~L~}s C~lVCy _ 1` 1 ~;~.~~Y ~%`~-i~'. ~ ~ < `V ~ U o ~ u~ ~ o
- MILY RESIDENTIAL LOTS: 300+1. I ; / ' T ~ ' PROPOSED SINGLE FA + ~ ~ ~ ~ ~ EXISTINGIPROP05EDIMPERVIOUSAREAINROADS: 11,5AC 1 t~~ ~ ~ ~ ' ~ ~ f ~ N , : . ~ N,~ o~ ~ o o
TICIPATED IMPERVIOUS AREA IN LOTS; 14 AC +l- ~ A ` + ~ ` ~ ~ ~ [ r 4 ' AN t l.Gt ~ ~ r r` , ' lj ~ ~-2>
F. IMPERVIOUS COVERAGE PER LOT, ~Oa " ~ ~ ~ I ~ t,\~ ' t. (ASSUMES 2,000 S. ) ~ ~ ~ ~ OVERAGE, 25.5 AC+I. 1596) ~ ~ f ~ AT D IMPERVIOUS C ~ TOTAL ANTICIP E
LUDESAREASDESIGNATED FUTUREDEVELO ME ) I ~c'~ t, , ~ ~ °`~w (EXC . ~ . - ~ - 1 i ~
t ' i I
~5\ ! j i '-r~2.._. j f y' 4 y I
` I! 1 I
j, , ' t f ..,_.-a ~ f ~ n ~ ~ 2 ~ ~ r ~ 1 ~ ~ ,.v~, I I~
~ y~ ~t a ~ ~ t l
ItwPACT 7, i ~ # ~ 1~
SEWER PHASE 4 v ` ~ i ) ,
t „`.,l f 1 ,r - ~ 1. 1. ~ ~ l~/r ±y
IMPACT 4: ~ ` : , r ~ . .
4 ~ ~ I e ~ , SEWER PHASE ) STREAMS AND WETLANDS IMPACTS TABLE
~ - ~w'
t~~, STREAM BUFFER
~
4 4 ~ .,r STREAM MEANDER DISTURBANCES: WETLANDS
VE PM LENGTH: ZONE 1 ZONE 2 DISTURBANCES: CONSTRUCTION: IMPACT TYPE: ~
WEfiJd~IDS ,,~f~,, ' ',,',:1 `tERb1 T"L-NT REAM 149 LF $100 SF 3800 SF 300 SF ROADlCULVERT(RIPRAP O 1 IN fi ST t7 Z
~ ~ , 2 INTERMITTENT STREAM 33 LF 1980 SF 1320 SF N1A SANITARY SEWER q 3 PERENNIAL STREAM 32 LF 1920 SF 1280 SF 65 SF SANITARY SEWER O U
h ti~ BU ~ 1 I 4 INTERMITTENT STREAM 34 LF 2040 SF 1360 SF 70 SF SANITARY SEWER W ~ Z ~
\ ~ e 5 STREAM BUFFER NIA 300 SF 600 SF NIA SANITARY SEWER Z ~ W NIA NtA 3400 SF ROADICULVERTIRIPRAP ~ ~ 6 WETLANDS NIA 0 ~j
, 7 INTERMITTENT STREAM 13' 1000 SF 0 SF NlA SANITARY SEWER ~ Z ~k
MARGINAL WETLANDS 22' NIA NlA 70 SF SANITARY SEWER q ~ ~ 4. a ~-0 ZQ
A 4 1 ~ ~ 4 l ~ ~ NU ~ q~
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SEWER (PHASE 5) csol 0

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Csol INSET #3 1
INSET #2 INSET #3