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I I - - \ I ZONE t I I II ~ ' ! r r1 ~ r~ I I ~ r I ~ .LEVEL SPREADER: ~2
11 CONCRETE LEVEL ~ SPREADER LIP
- i fi\1 ~ I ~ ~ rr I -1-'~ -'r,-_
- ~ i I y\ ~ r r ~ ! ,1- 1 o ~ 11 _ FLOW PATH
_ I
t I r . / 1 ly///,) I ) / rat / .'.L „1- 1 r„ I I - 1. - l - l r ! f y / - - ` LAYER OF ZONE 2 BUFFER ZONE 1 BUFFER y~ _r ~ X57 STONE I 20 ~
THE AREA OF THE RIPARIAN BUFFER WHICH CONTAINS THE PIPE y 1 y CHANNEL-~ ~ RIPARIAN
- „ I I CROSSING HAS" BEEN. DENOTED WITH A BOLD LINE.. THIS AREA 0 i l,`1_,,, f r r I /~c)'~,(~I ' t I CONTAINS. 9633 S.F. OR 0.22 AC., OF RIPARUW BUFFER. / ~ / r I/ ~ ( - - - ~BUFFER
. . ~1~ 3' WIDE STRIP OF ~ ~ ~ r
I i / I I I ark , / -I~" I' , 1 72 AREA IN RIPARIAN BUF - 0 f! ~ yy--I _ FILTER FABRIC ~ . ~ « , „ ~ ~
i 1 ! - r`~c,; l 1 1 1 I Ill p~p Z~ t - ~ i ZONE 1: 5173 SF _ -r F . ~ _ 1 1 I I u r `i i ZONE 2: 4460 SF ..-J'' 1 ~ i - \ . ~ i i ~ I a ~ 1 ~ r ~rl v,..
I 1 ~ Y`~ \ 0 I t I I 1 I! l: I ~ }i` I ~ ~_~_-i'T 1 I 1 1 { _'T~ \ ~ 7 ~ 111 )I 1 1 ) 1 1 ? W ? ,
1 I 1 1 t \ N 7 ~ I/ I I i I I I I( r 1 1 APPROPRIATELY SIZED 99oy C'9d1~~ 5 i~! ~ ~ C r nJ~°~ i ~,h ~Y W- W W
} 1 ~ r-'-'_ L 1 \ I I , \ a ~ / , I I III I I ! ! Or l/ r ~ 75 - .1. I I I 1,1 r I I I 1 \ ~ / /•~y . l I i 1111j1 / r l lo'_. ~ , . t % CONCRETE FOOTER , 57,. ST(yVE ; , ~ 11 ` FOREBAY ~~~IC~" ,
Q ~t` I 1 \ i l ` Y\ . , I I ~I III ~1 ~ . , ~ ~ I I I '4. ~ C ~ , I III ~ I ~ NI r. Q~ , I ~ I I \ mm oo / I~ I,>I ,I~ I II 7 ,,i I 1 1 i r I G. . L ~ I it ~I to I I r' I
I I I_ t} ! 1 Syc v 1 1 I'? j 11 ~1~ 1 u h I ~ ~ REINFORCE + ~
0 •t 1 I I 1 I _1 p~`. ; , /11111.11 1111 1111 III I I ~ ~ l I to I i 1 t _t 1 I II{1~1111 II f _ i- I ,1 / I ~ , ,II 't I ~ L i i I i' ~ N \ .1 / I} III , I1 I1( I~ \ ~ i~.,~ .j4 ~ y, CHANNEL . • +
• 1 ,1 I I 1 O ~ ~ ~ \ t 1 - i 1111 I I) 111 111 1 1 ~ 1: i I I to I. I I \ a 0 1 0 ~ 1, ~~-1 1 I i i 11 1.1 1~ 1 111 1 1 ~ 1 r ~ , `i t VARIABLE WIDTH I} i t.. I t r \ a Z \ I, I I 11 I , ? I I I ~ ~ v • ~ ~ .
I •1 ~ 1 ~ i I I t \ r 1 l -~71 ) I II I I I~11 ~ it i I i I 157 1 I 1 PERMANENT. PUBLI 1 L\ I \ ~ J, ~ I. ~ . ~ I 111 rn I ,
' ~1 t' ~ DRAINAGE EASEMENT i i 1 \ \ \ ~ D50, ROCK-RIPRAP ~ ~ 111 11V1j r CHANNEL. ~2 ~ .I L` ~ r 1 L}EV ~RR~AD ~ ~1 I i \ ! ~ o ~ mr TIN I 1 h I 111 i I ~ r ! ~6S ` \ 9' • b i
I 1 i 731... t I~ \ ~ ~ i AI OUTLET PROTEC 0~ I h 1 111 r I ~ O, } t ~~r, t I, I r I t \ 1, APRON : , I r 1 I I I , pp
• i I CHANNEL 1 ) I- , \ A.. 1: I i I S~ I ~I) 1: •1411"j1~rjlil i I! I , I ~ ' ` 1 t { I I 1 I I ~ 1\ 1 I. i r l l f l'1 1 1 , 1 111 41 ' I I i ~..~ev , \ , ~ CONCRETE LEVEL ? ~ ~r '
G 'I 1 : I I , I ~ I.1 1\ r rnrl'1~1',111 I I,I u ~ - I ,i l I ~ ~ 1 r wA :/r rr rrl IL1_r Ir r I L _ ~ l r ~ 1 1 ~ I I..-L;.a } l• 1 1 \ \ 1 'r rrrrrlrrr,~ rrr~ ~rlr/ C ~~m`. ~ SPREADER UP . ~ ~
} 1 ~ - - r 1 ~ ~ r ~ r rrr l.r r ~ r r r / ® ~ F I ~J 1 t ~ ~ 1 ! r~}1 I,b~,E~r ~ r / / , 5® ~N1:..~ ~
n I 1 \ \ ~ \ t ~ . \ i r r 11 r r r r{ r r R~ - AT~~ _ 'I I ~ \ \ t 11 //Irl rr/1lrJrlt r rl ~ „ C~~
1 L r I__ a.._.,. 1 i 1 I I 1 I / r r) rlr r (r i r r r 6 1 r i 1 _ t \ f, r r r r l I I r r ~ p?• , - o LEVEL SPREADER
1 1 y~ \ \ \ 1.1 , , \ 1\ ~ ~ ~/rlI r!l 1 /~jlr~ i }I 1 t ~ -.L-t.._~. I ~ \ I\ ~ i 1 y. ~ 1 r llrlr 1?i ~ ~ ~ ~ i NOT TO SCALE
M " t ~ ~ ~ \ \ \ \ \ b , . I \I i . i in ~r r r l 1 r r l , r v r , r 1 , ~ 1-6..x6 TEE } I' ~ ~ ~ . ~ \ \ , a / / / r l 1 r, l r r / r m , ~p 1 1
2-6 GATE VALVES - ~ I / - ~ \ \ ~ ~ \ ~ \ ~ I s / rll / r , r r , r , r i CLASS "B" ~1 i INFLUENT RIPRAP SPREADER
~ ~ORMyyA1~R
L 5V 1 i _ ~ ` \ > 1 t, li 1 \ \ 1 ~ ' 1 (l .f'r' 1 1 ! ! ~ r~ ~ ~i' ( V _ _ _ Q~ ~ ~:l 1 I/ 11 r 1rJl I I i r ~ '+I/ ~
. STA 0+00.00 - - - " ~ rn / I r 10 \ \ i ~ i I I i O 1 V\ Vj I/ 1 1 1 Il r r ! l I I I r ) i 3, ,
1. l-" - - '-18" R.C.P. 0 1.00 ' \ r, ~ r r r r r ) ~ r I I ' ' }I i- _ _ u~ 1 \ r r ' / y,~l 1 rl ~ ! r r rr rl i 1 I 1 _ 1_- 1
rll ~ ` w/ 2- FES . I r I I ' , _ , DA 0.46 AC. ES P ~ ~ ~ r / ! ~ ~ 90 1
~ I 4.1 FILL .SLOP 1 r 'INV. IN - 156.08 ~ I I , t + 7 ~ 32 18 R.C;P. Q 1.00 1
~ i INV. OUT - 155.76 ' 1 1 ~ , ! t 1 I I - ~ ~ . w/ 2- FES 91 . I i „ D50, ROCK-RIPRAP ' 11 - ~ ~ TEMPORARY SILT 1 FOREBAY i1 NOT TO SCALE
DA = 0.67 AC. } r I r \1 INLET PROTECTION APRON / r FENCE (TYP) INV. IN - 157.48 1
I ~ 1941 r t r 1 f~ ~ \ INV. OUT-- 157.16 1 LEVEL. Quo FOREBAY
1 SPREADER (CFS) SIZE :LENGTH
Z}li; y I SEVEN FEET. (7 j, AS MEASURED FROM .ROADWAY \ 1 93 o• r I CENTERLINE TO INVERT, FOR ALL STORM DRAINAGE ~ • 1 ~ 92 1 2.60 ' 4°x10'...:._. 34'
o~ t A , PIPE CROSSINGS. SHALL HAVE. EITFIER GUARDRAIL \ 1 ~I ~ ~
• I ° , INSTALLED TO NCDOT SPECIFlCATIONS OR BE 11 1\ 1. \ _ ~I I _ I ~ GRADED TO A 4:1 SLOPE. OR FLATTER. . 1 56'-84" R.C.P. ®1.00% 2 2.75 4'x10' 36' ' . ;
r I t I r w/ 1-HEADWALL AND 1-TAILWALL LOC
t 55 1 - y• i I I r r DA 89.39 AC. LOCKW RESTSUBDI _ i - m I i NOTE: " ~ I 1 r INV. IN - 142.00 OOD FORE VISION -SEC INSTALLATION, MAINTENANCE, AND REMOVAL SCHEDULE FOR LEVEL SPREADER VISION -SECTION 4 INSTALL THE IEVEC SPREADERS FOLLOWING THE INSTALLATION OF THE SEDIMENT TRAPS.
' ~ ~.1 1 INVERTS OF THE 84 R.C.P. SHALL BE PLACED r I r ' INV.' OUT - 141.44 BDIVISION~ g VISION , SECTIO 2
Ecru r i L ~ AT A MINIMUM OF 12 BELOW THE STREAM BED. i ! ~ \ 1 ~ t , ` ~ m.I I r 1 ELEVATION FOR, AQUATIC LIFE PASSAGE. r ~ 1 ~ INSPECT LEVEL SPREADERS AFTER EVERY RAINFALL UNTIL VEGETATION IS ESTABLISHED, ANO PROMPTLY MAKE NEEDED
1 , 195 _ I I ~ 1 1, ~ 1 . , ~ - ~ REPAIRS. AFTER THE:AREA HAS BEEN STABILIZED, MAKE PERIODIC INSPECTIONS AND KEEP VEGETATION IN A
~ HEALTHY, VIGOROUS CONDITION.. !
} I II BASED ON N.C.D,O.T. DESIGN STANDARDS OF UTILIZING 4:1 \ ro ti 1 \ 1 1 ' i I ~ FILL SLOPES WITHOUT GUARDRAI AN 56' LENGTH OF PIPE d~` . fit' It Il I ~ IEVEI SPREADERS ARE-CONSIDERED PERMANENT STRUCTURES AND SHALL REMNN FOLLOWING THE COMPL,Ef~N OF
1' 1 L' ti 1 1 ~ 1 1 , ~ } , WOULD BE REQUIRED FOR. THE STREAM CROSSING. THE CONSTRUCTION. i
PLAN SCALE, 1 50 .1 ~ ~ I I' I I ~ I it PIPE CROSSING WOULD DISTURB 58 OF STREAM BED. I I ~ , i ,,_~I _ I
O N O O O N 00 tG d' M M M d' c0 00 O O cp ' d• d tC O O d' d c0 O - ~ ~ 100 pr Ou? pp0 Or NGO O~ pC? OM IpOf ply Nib 001 NM 001 Nr O~ tn0 p~ Iw701 ON ,O17 ON ~O plf) NOf O'"' OO t0 O O ~ry_ 0~ M -Ot NN OVA pi(1 piA NN pM O.- p00 ,q 1A OO pOf ~t 00D Or' 0o pip. ~N p0 O~ O1~ N~ ~JN ON ~N r~ pCp N~ pa7 NEO X17 n~ pp Nap Nap Or Nr rn +t~ +r +a0 'F O/ +O +O +C +O +O +O +Of +ap +QO +QO +aD
OM ~N Np Opp NtO Np ON ~G na0 on. N~0 ~t0 nqj ON NN ul~j i`tC OTC Nn map I`O O.- NN Oep n,~ O,p Nn Or nn .Opp Npp Npp +c0 +r0 +t0 +t0 +O +iA +IA +N +N +N +U) +N +N +O +N +tp +c0 +c0 +IG +10 +p +cG +c0 +c0 +c0 +c0 +t0 +cp + t0 + tp + °D + lfl + tp + tp O t0 O !0 O t0 r 1D 1~ f~ N 1~ N I~ N t~ N P M 10 M 10 17 m M m t m 200.00
r ~ ~ ~ ~ r te- ~ ~ ~ r- ~ r r r ~ ~ ~ ~ r ~ r ~ t0 ~ tC r f0 ~ f0 ~ r ~ ~ ~ ~ _ e.. 200.00 + n +n + n + m
_ ' r ?50.00° -1,00% 250.00° +2.00% 1?5.0 ' ~ -3.00=
' _ 0 .00' ®=5. 0~ 30 .00 ~ +6. 0~ 250.00 - 115. 0 ~ 5.00 0 3 i
' 190.00
-190.00
0 VC 1 150.00' V 00 0 '
_ K=30.1 K=34.72 2 .00 K= .3 _ _ 0
a o op g,~ o~
16Q.oo ° ~ ~ o ui N ~ ~ 180.00 +tC np prep
+ ° N ~ ~ NATURAL O ~
. GROUND
' a J Q> a J J ~ W W W - ~nw a> a> ~ w ~ w CENTERtI E
~ ~ ~ ~ ~ ~ OF ROAD AY
- .170.00 - 1 ~ a 170.00
. - _ -
- • \
UM COVE / _ _ MIMM . E • ` . ~ ; ATER LIN .
PVC W J - CONSTRUCTION SE4UENCE 1sooo
I
160.00 ~ ONCE THE SRE 1S STABILIZED, CONSTRUCTION OF THE LEVEL
~ O . 24" R.C.P. SPREADERS CAN BEGIN.
, . . ~ , o o o 18" R.C.P. REMOVE THE SEDIMENT TRAP AND FORM THE FOREBAY STRUCTURE. '
O pp N ~ + O + tD
~ 18" R.C.P. o 0 0 q,~ no 00 ~o CONSTRUCT THE LEVEL SPREADER LIP ,AND ADJOINING CHANNEL. 1~.~
150.00 a> J o ~ ui N N~ ONCE THE LEVEL SPREADER STRUCTURE IS INSTALLED, SEED•AND ,
~iw ~iw +~o +r°'o +m t0 n ~ 00 e- V U - _ ap ~ STRAW THE ENTIRE AREA ACCORDING TO THE SCHEDULE OUTLINED. .
5 • ~>a a ~ a> a> a> ~ w UNTIL VEGETATION IS ESTABLISHED THE LEVEL SPREADER SHALL BE-
~IJ ~W ~W INSP4'~CTED WEEKLY AND AFTER EVERY RAINFALL EVENT, ANY
U U - _ 84" R.C.P. 5 5 SEDIMENTATION SHAH BE REMOVED AND THE STRUCTURE SHALL ~ 140.00 REPAIRED AS NECESSARY.
140.00
00 00 SILT FENCE AND~OR ALTERNATE TEMPORARY SEDIMENT AND
do o~ EROSION CONTROL MEASURES SHALL BE INSTALLED'! BEj,QW Q~(1RBED AREAS AS NEEDED TO PREVENT SEDIMENT LOSS.
+ + : , 0 0
Q Q _ ~n ~i _ DISTURBED AREAS LEFT INACTIVE BETWEEN ANY PHASE OF GRADING 130.00
_ 130.00 SHALL BE TEMPORARY SEEDED WITHIN 15 WORKING DAYS OR 30
_ NOTE: ALL-EMBANKMENT FILL GREATER THAN NOTE: SEVEN FEET T), AS MEASURED FROM ROADWAY , CALENDAR DAYS, WHICHEVER IS SHORTER. PROVISIONS OF' PERMANENT GROUND COVER MUST BE ACCOMPLISHED ON EXPOSED '
" ( .INVERTS OF THE B4 R.C.P, SHALL BE PLACED AT CENTERLINE TO INVERT, FOR ALL STORM DRAINAGE SL01=e3 21 CALENDAR DAYS, AND IN REMAINING AREAS WITHIN 16
' A MINIMUM OF 12°. BELOW THE STREAM BED. ' PIPE CROSSINGS. SHALL HAVE EITHER GUARDRAIL WORKING DAYS OR 80 CALENDAR DAYS, WHICHEVER IS SHORTER.
ELEVATION FOR AQUATIC LIFE PASSAGE. INSTALLED TO NCDOT SPECIFlCATIONS OR BE GRADED TO A 4:1 SLOPE OR FLATTER.
120.00 - "EXPOSED",AREAS INCLUDE, BUT ARE NOT LIMITED T0: 120.00 "Af2EAS CLEARED FOR ROADWAY CONSTRUCTION. ,
"AREAS CLEARED ON RESIDENTIAL BUILDING LOTS.
"DRAINAGE EASEMENTS AND OPEN DRAINAGE CHANNELS. "SEDIMENT AND EROSION CONTROL MEASURES (SEDIMENT TRAPS,
c00o °o rn d o C!'YERSION DITCHES, ETC.) AND THE AREA$ ADJACENT TO SUCH MEASURES. N o
~ tG n Of lD O t0 d M O t0 to d c0 M iD r n O N 0) 01 M O W O N M N O o ~ ~ ~ ~ a o o ~ n n n n o Oi 1~ N fV a N 0! ' co ~ ~ ~o ,v m N 110.00
110.00
+00 4+50 5+00 5+50 6+00 6+50 7+00 7+50 8+00 6+50 -1+00 -0+50: -0+00 0+50 1+00' 1+50 2+00 2+50 3+00 3+50 4 6+50 9+00 9+50 10+00 10+50 11+00 11+50 12+00 12+50 -13+00 13+50 14+00
DW DWQ STREAM CROSSING MAP
FOR
PROFILE SCALEt
HORIZONTAL 1" = 50' LOCKWOOD WOOD FOREST SUBDIVISION - SECTION 4
VERTICAL 1" =10' WILSON'S MI LSON'S MILLS TOWNSHIP - JOHNSTON COUNTY, N.C.
Job: 07043 Date: 5/21/08 Revision:
File: streamcross Drawn: DBL Sheet: 1 OF 1

SR 1904 SOUfHERIAND RD..

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VICINITY MAP (NOT TO SCALE) ~ ~ ~ / / / /
I
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/ / ~
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~ - ~ / ~ 1 ~
~ ~ 92 /
i ~ ~ ~ ~i
~ / / 0
gs ~ ~ ~ ~ ~ ~ ~
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~ / / ~ - . i~`
DELINEATED DRAINAGE ASI~J ~1 I I I I ~ I'
~ i DA=38,332 SQ. FT.
DA-0.88 AC. I I I ~ i ~ i I
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RAINAGE RN9. A\ SS E~SEb1EP1~T_ _ ~ , d / I ~ ~ ~ /
7~ ARi BLE WIDTH ERMAN NT PU~~IC ~ ~
\ ~ X160_ _ ~ ~~~j~~l~~l~~l/I j'll i / ~ \ ~ j ~ l ~ I 7~ I
' i RAI(~IAGE ~ND A~CESS ~SEMENT ~ _ _ i ~
_J-I- -
DELINEATED DRAINAGE BA~tid ~ - _ - - ] \ / \ ~ ~ LEVEL ISPREA,bEF~ #1 AbEF~ #1 cn I 1 \ \
DA 40.725 SQ`FT. ~ / / ~ / ( ~ ~ / ~ I I I I u' \ \ \
DA = 0.93 AC. ~ ` - - 55- ~ / ~ ~ I ~ l~ ` ~ ~ \ \ 1 ( ~ ~ i I ~ I 1 I ~ ~ \
RATIONAL C = , 0.40 ~ - - , / / I I ~ ~ ~ \ 1 ~ ~l ~ ~ I ~ ~ I /
/ I I \ SCALE: 1" _
- ~ ~ \ ~ o t ao eo eo ~
150 - -~--f ~ % ~ , ~ , / 7 ~ ~ I
_ ~ _ - L-.~.~ / / ~ l ~ ._~i / \ ~ 50' RI~ARIAN BUFFE~2 \ \
- J 1 < ~ / / ~ / . I I(50' F OM T~P OF BANK) K)
r---- J~, j I \ I I \
\ ~
C T 3 1 2008 ti ~ / / ~ I / ~ ~ I
oENR.~vp,~~Q~~,,,Y LEVEL SPREADER #2 ~ 5~ ~ ( I I LOC OO wenavosaraosmR~nra~ewu~a _ ~ I j ~ ~ ~ i I I ~ I ~ ~
;WOOD FOREST SUB~OIVISION
\ SECTION 3
DRAINAGE AREA MAP
EXISTING WOODED VEGETATION LOCATED. BELO - ~ I I I I FOR
LEVEL SPREADER #2 WITHIN EASEMENT TO ~ 1 ~ ~ o ~ ~ I I~
BE REMOVED AND REPLACED WITH ~ ~ ~ LOCKWOOD FOREST SUBDIVISION
Vtlot IHIIVC bRHJJCU CILICR JIRIr.
SECTION 4
FILTER STRIP TO BE GRADED SUCH 71
THAT SLOPE DOES NOT EXCEED 6.0%. WILSON'S MILLS TOWNSHIP JOHNSTON COUNTY, N.C.
,lob: 07043 Date: 10/15/08 Revision:
File: SITE PLAN Drawn: DBL Sheet: 1 OF 1