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NOTE: U 2
\ SKIMMER MAY VARY Q ~z
n' SLIGHTLY FROM BMP A -WET POND ~ of i
ILLUSTRATION Skimmer to Use: 1' Skimmer w/ 1 ~ner w ea
Volume to be Oroined = 8,277 cu. ft. cu. .
BM P A WET PON D Orow Down Tme = 95 hours ~w ¦
FLOAT Orifice Areo = 0.72 sq. in. gyn.
Z SCALE: 1 " = 30' O Orifice Diameter = 1.0 inches es w~ W N
~d OUTLET END; CONNECTION 00
y TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN ? ~ q r~
x SHOWN NOT INCLUDED WITH SKIMMER ~ ~ cn (D
SUPPLIED BY USER t f 1' " r^~ ~1 Y ~j Lf)
f ' t
EL. 310.5 FLEXIBLE JOINT ~ ~ .J 4g.
WATER LEVEL DURING STORM TOP OF DAM EL. 31 100 YR. EL= 309.5 -1 I I-T r~,\'~ ~k S~4_ ` . tit ~„y~' Yj \s~1.~~ %MOO
3os.52 BMP SKIMMER DETAIL - BMP A r`111~~, *p'~ A [ LIJ w r.". W 00
j ~ ~ PEAK FLOW _ O ~ U
~ ~ I~-~ I I~ ~ I ATTENUAl10N POOL T r ~ ~ MINIMUM S ~T~~~ _ - r MINIMUM S ~ ~ _ - ARTH DAM VQz Qw o
IUM SLOPE 3:1 IUM SLOPE 2:1 ~ an cn
~i a Q p o
i DAM
TEMPORARY SKIMMER ~ ' ' • = ~ • - - ~ LEVEL SPREADER CALCULA110NS v~ 0 a ~Q LA.
DA: 1.89 AC a Y a
C: 0.90 I: 7.22 IN/HR D w J Q 3
Q: 12.3 CFS
ANTI-FLOATATION DEVICE - _ W
ROUTED Q: 1.8 CFS
LEVEL SPREADER LENGTH LLJ W
~ i i i i i ~ ESTABLISHED VEGETAl10N
63.61 LF 15 RCP OUTLET PIPE 13 LF/CFS * 1.8 CFS 23.4 LF Q W~ J Q
O 4.72% USE 30 LF (MAXIMUM LENGTH)
D a4l J vi
CROSS SECTION LEVEL SPREADER
mmmmmo
REVISIONS ~
N0. DATE DESCRIPTION
NOTE: THE DRY POND SHALL BE UTILIZED AS A SEDIMENT CONTROL DEVICE DURING ROADWAY
AND UTILITY CONSTRUCTION. (aooo ~ wn ~ sino+a~iEq ~ roP of ou~rt
ONCE SITE HAS BEEN STABILIZED ANO GRADING s~ caa~.~naNa Fat FLOW FR ~ svn~~oae ~oicn+
IS COMPLETED THE BASIN SHALL BE CLEANED ~ SIRUCTURE~'-a ~oas~nr~ aN ~ s~
OUT AND STABILIZED. ~J
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED s-w 6.A
ONCE SITE IS STABILIZED. oowr~chc sueoR~
COMPACTED SUBORADE pQtL1AMEN~G`EOIE)(iRE UNO~ERI~JNER~) DATE 07/31/07
SCALE:
DIMENSIONS ELEV. NTS
TOP OF DAM WIDTH 10' 310.5 DRAWN
NOTES• WEC
- Level apreade~ is designed to disperse small volumes of concentrotad flow across stable slopes. JOB ~
1-YEAR STORM ORIFICE 1" CIRCULAR 307.5 'tF# PARKWA1f\N~\Commwvld\
EMERGENCY SPILLWAY 16 WEIR 309.5 sH104-sro~wA7Me~?y
LEVEL SPREADER SHEET NUMBER
OUTLET PIPE INVERT IN 15" RCP 300.0
OUTLET PIPE INVERT OUT 15" RCP 297.0
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VENT-~ SCREEN ACCFSSIRI F THRnl1GH
Q
DOOR o~ s
NOTE: o~
0 SKIMMER MAY VARY u > z
y SLIGHTLY FROM BMP B -WET POND 0
ILLUSTRATION Skimmer to Use: 1' Skimmer w/ Volume to be Drained = 4,438 cu. ft. ier w/ 1' head
:u. ft.
Orow Down Time = 48 hours Z a V)~
FLOAT Orifice Area ~ 0.77 sq. in. in.
Orifice Diameter = 1.0 inches s
OUTLET END; CONNECTION
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN 00 W~
SHOWN a
WATER LEVEL DURING STORM TOP OF DAM EL. 30 EL. 305.5 NOT INCLUDED WITH SKIMMER SUPPLIED BY USER FBI y 'o (If Ulm
100 YR. EL= 304.5 304.52
FLEXIBLE JOINT
W
PEAK FLOW BMP SKIMMER DETAIL - BMP B
~ - - ATTENUATION POOL = pr.' W m n
~ ~rt_ _ , I MINIMUM SL IUM SLOPE 3:1 W ~
~ _ _ _ _i MINIMUM S _ I _ - ARTH DAM NUM SLOPE 2:1
~ DAM o ~
TEMPORARY SKIMMER - ` ' • ` ~ • - Aw v~QZ 0
Wz a ~(n
LEVEL SPREADER CALCULATIONS
DA: 0.91 AC Ua 0CWLa0
AN11-FLOATATION DEVICE C: 0.90 ~aoW
1: 7.22 IN/HR x W < 0
Q: 5.9 CFS
ROUTED Q: 1.7 CFS J Q 3
56.81 LF 15" ~ ' i ~ C7 J W
RCP OUTLET PIPE O 0.88 LEVEL. SPREADER LENGTH
ESTABLI~iED VEGETATION 13 LF/CFS * 1.7 CFS = 22.1 lF W W 0 ~ W
USE 25 LF J Y z~
CROSS SECTION LEVEL SPREADER
gN
NOTE: THE DRY POND SHALL BE UTILIZED AS A 00
SEDIMENT CONTROL DEVICE DURING ROADWAY 00
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED
OUT AND STABILIZED. NO. DATE DESCRIPTION
(s,ooo as wi Z ~ s~no oil) ~ ~ a aura
s~ cwa~.nno?a ray FLOW ~pM ~ s~~oo~ ~cn~
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED STRUCTURE ? -a ~aa s c~oN oow~s~w saE
ONCE SITE IS STABILIZED. ~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 305.5 3'-0' COIAPACTED SUBfiRAOE 0
1-YEAR STORM ORIFICE 1" CIRCULAR 302.5 COMPACTED SUBGRADE PERYAM~7 f 01EX11LE U DERIJNFR~) DATE 07/31/07
EMERGENCY SPILLWAY 16' WEIR 304.5 SCALE:
NOTES: NTS
OUTLET PIPE INVERT IN 15" RCP 297.5. - Level aproade~ is designed to diapene small volumes of concentrated flow acroaa stable slopes. ORANN
OUTLET PIPE INVERT OUT 15" RCP 297.0 WEC
JOB i
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LEVEL SPREADER SHT04-STORMWAlER.dwq
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Z ~ ~ i~ ~ k NOTE: ~ 00 I Nei
~ m ~ ~ ~1 " PLAG~ STEM SUPPORTS AT FR0~1 BASE .4 f M C
~ @. \ ~ aAa S 3i. ~ ~ . GROUT EAI~I SIDE 111111
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~ z~ ~ a ~a ~ ~ NORMAL POOIL ELEVA nav = ~B A~•
s 4 .A„ ~ } ~ ~i L aL ~ NT SEALED IMTH A-LOCK NEOIPRdVE
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~ ~ R. '3 3 •a, 'C ~ ~
~ ~ ~ y ~ ~ M; 2 ~ 4 ~ '4 15" CLASS IA RCP S N
1 ( `a ~ a* a,ro ~ ~ 4" CAP LEAVE ENO OF' GA1E w ~ ALVE OPEN. N 00
war 1k, BASIN 80111 ELEVATION = 300 ~ r,
a f J J ~ . i i~ • ~ PAVED INVERT O~
r a, R' r` ~ / / GROUT ~ ~ ~ ~ ~
j / ~ / N ~ r a
w I ti 'F. ~'A ^~o.~ M N
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z
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DOOR
~i • NOTE: o~ A
0M N SKIMMER MAY VARY U~ ~z
y SLIGHTLY FROM BMP CA -WET POND JD
ILLUSTRATION Skimmer to Use: 3' Skimmer w/ Volume to be Drained = 38,438 cu. ft. per w/ 1' head
cu. ft.
Draw Down Time = 108 hours s
FLOAT Orifice Area = 1.90 sq. in. in. ~w ¦
Orifice Diameter = 3.0 inches rs
OUTLET END; CONNECTION w~ W N
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN 00
SHOWN
WATER LEVEL DURING STORM TOP OF DAM EL. 31 100 YR. EL= 310.5 T PEAK FLOW _ _ EL. 311.5 NOT INCLUDED WITH SKIMMER SUPPLIED BY USER Vco
310.52
FLEXIBLE JOINT
BMP SKIMMER DETAIL - BMP CA
ATTENUATION POOL ~ NT5 x
rrT~ _ i i I MINIMUM S ~'T _ _ ~ MINIMUM S I ~-J _ - ARTH DAM IUM SLOPE 3:1 W00 ~
MUM SLOPE 2:1
i DAM Aw voQZ
TEMPORARY SKIMMER ' li - ~ 7
I' _ WZ c~n
LEVEL SPREADER CALCULAl10NS QQw x Wa
DA: 9.78 AC 00<0
ANTI-FLOATATION DEVICE - C: 0.90 ~ ~o W
I: 7.22 IN/HR Q: 63.6 CFS ~ ot a D
~ - - ROUTED: 13.9 CFS W J O3
43.16 LF 15" TTT LEVEL SPREADER LENGTH
RCP OUTLET PIPE ~ 3.13 Z LLJ ~ U)
ESTABLISHED VEGETATION 13 LF/CFS 13.9 CFS = 180.7 LF W
USE 130 LF' (MAXIMUM LENGTH) Q LLJ~
CROSS SECTION LEVEL SPREADER
NOTE: THE WET POND SHALL BE UTILIZED AS A 00
SEDIMENT CONTROL DEVICE DURING ROADWAY 00
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED
OUT AND STABILIZED. NO. DATE DESCRIP?lON
(aooo ~ wm 2~ smo°Uicn~i) q7C s~ a+ ~ ar au~ (FLAT SLOPE) A
SEE CALClN.A710N~ FOR FLOW FR ~xi s~~oFR 1~riom
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ~ 3TRU~7URE 4 -e rx ~~oos~iMa°'~ a~ oow~sm~w s~ A
ONCE SITE IS STABILIZED. ~J A
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 311.5 s-o~ ~ 0
OOIAPIICIFD 9UBORAOE pQSM 4j~p~~
1-YEAR STORM ORIFICE 2" CIRCULAR 308.5 DATE 07/31/07
EMERGENCY SPILLWAY 20' WEIR 311.5 SCALE:
NOTES• NTS
OUTLET PIPE INVERT IN 15" RCP 304.5 - Level spreader is designed to disperoe amoll volumes of concentrated flow ac~osa stable alopea. DRAWN WEC
OUTLET PIPE INVERT OUT 15" RCP 303.0
JOB
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LEVEL SPREADER SHT04_STORMwATER.d"
SHEET NUMBER
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c~ / ~ ~ $ 4 P ee amt s o~ ar oaw~ao~ow~ Mr per
J s our arer w~ nE iar a aactm
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<wce~, ~r ~ ~ ~ 'tom, ~ • "`y, ~m ~
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DIpIN90 1. AE CIl/ • ALL MOIMO 1lE~Itl,~1C ~ 2 91~M~? X~`~\/ / ~ 1l~C Nrnoe nr cn~ w~sr ec near
t, A # k C ~'h. 'c ,'S. F ~ ~ ~ y j a>~ s m nc ~o? aF nr a~ z su~raR? wea Mc ~
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a ~ s Q ~
fi ~ • • ~vAnoN sECnoN
'S `?v: K '.a 4 ~ r ~ ~ i '~r's~. i~ °R
1.U ~ ''+G `i 'k A ~ .~,v ~ Y ~inrc~cw~~cm SEE BMP SECTION FOR SIZ?NG ~4TA sECnav a A
'C ~ ~av ~ ~4G ~ ~ ~ n~ QotuR
a / • ~ b y ~ r~ • TYPICAL ANTI-SEEP COLLAR - BMP CB TYPICAL TRASH RACK - BMP CB
~>3 ,V~ ~ .Z • ~ ~
Z '0~ • ' w~
a ~ 1~ • r~
~ , ~ ~ ~ F
~ ;a ~
\`'4 A, v< O 10 4PS to
C ~Nq ~0a O /4'x4' PRECAST BOX
~ 3 S ~ PEAK FLOW ATlENUAflON •
~ 3 0 3 ~ 7C)P OF STRUC7lIRE ELEVA110N ~ 3033
~w.~ ~ PLACE S1EA/ SUPPORTS ~
~ . ~ „a :,7 6 \ ~~i~ AT 3' FROb BASE
ti~ cA ~ / g"" O '~'~'""y ~ GROUT EACH SSE
~ ~ ~ ~,9 3 § / ~ ~ i ~ ~ ~ 2' OR~1CE FOR ORAMOONN `E i~
y ~ / §h ; ~ / ;e ~ ~ ' Y ~ ~ \ NORMAL POOL ELEVATION ~ 30f.3 ~
~ t ~ g ? / ~ ? Y i \ GASKET CAST IN MANHQLE W
i .2 1 t ` 4' NRS LATE VALY£
~ ~ ` ~ ~ ~ h~ ~ ~ ~ 3 ~ 15' CLASS Ip RCP S N
~ a 4• C,~p LEAVE EIVD OF GALE BASIN BOTTOM ELEVA110N ~ 29 0 VALVE OPETL N 00 `O
~ ay ~ ~ Y'N~ 1 ti's w' A C~
e''~r~ e • ~ ~ PAbED gVYERT plOl1T Q'
2 `p~ b~ ;9 ; ~ x a
,.r ~t ~h, '^.....'w.. a ,z
~ ~ t • a ' N
1 ,,...~...,,,,.,,,,w,,,,,.,w ..w,..,,,.~^. M~ ~ • t CD 00
~ i~ ~ i ~ ~ z C_N
~ ~ ~ ~ °?o,
~ ~ ~ ~ ~ / vL \ „ate RISER & DRAWDOWN DEVICE DETAIL -FOR BMP CB O
/ ~ ~ ~ ,o WT5
~ x .Q ~ N V
/ ti., ` M~ z
VENT Q
/T1. _SCREEN ACCESSIBLE THROUGH
111 DOOR vA ~
I• _ O NOTE:
SKIMMER MAY VARY u > z
y SLIGHTLY FROM BMP CB -WET POND JD 0
x ILLUSTRATION Skimmer to Use: 3' Skimmer w/ Volume to be Droined = 38,438 cu. ft. per w/ 1 ' head
cu. ft. U) (L
Drow Down Time = 108 hours s
FLOAT Orifice Areo = 1.90 sq. in. in.
Orifice Diameter = 3.0 inches s w
OUTLET END; CONNECTION 00
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN w
EL. 304.5 NOT INCLUDED WITH SKIMMER Lf) z
WATER LEVEL DURING STORM TOP OF DAM EL. 3 100 YR. EL= 303.5 _ ~ ( I SUPPLIED BY USER
303.52
FLEXIBLE JOINT
Zw U c/)
T T - PEAK FLOW BMP SKIMMER DETAIL - BMP CB LLJ
T~' ~ - ATTENUATION POOL - ~ MINIMUM S - Woo
_ ~ _ i ~ ~ 1 MINIMUM S _ _ I _ - ARTH DAM SUM SLOPE 3:1 MUM SLOPE 2:1
0
~i DAM oQZ Aw v
TEMPORARY SKIMMER - - ' : ~ - 7 o am~
- ~ -
LEVEL SPREADER CALCULAl10NS ~ Q~o~ o 0
~ I~ DA: 10.64 AC LL.
ANTI-FLOATATION DEVICE C: 0.90 I: 7.22 IN/HR ~ ~a0w
Q: 69.1 CFS ~ w a D
ROUTED: 14.1 CFS
- ' w J ~
38.59 LF 15" RCP OUTLET PIPE LEVEL SPREADER LENGTH
O 3.8916 ESTABUSHEO VEGETATION z w ~V)
13 LF/CFS ~ 14.1 CFS = 183.3 LF W
CROSS SECTION LEVEL SPREADER USE 130 lF (MAXIMUM LENGTH) Q W~
NOTE: THE DRY POND SHALL BE UTILIZED AS A 00
SEDIMENT CONTROL DEVICE DURING ROADWAY 00
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS ~
IS COMPLETED THE BASIN SHALL BE CLEANED NO. DATE DESCRIPTION
OUT AND STABILIZED.
(sooo ~ ~ 2~ TM> ~ a aurtat
s~ cKa~.nno~s r~ae f1.OW ~t saa~~oot mom
NOTE: THE TEMPORARY SKIMMER SHALL 8E REMOVED S7RUCTt/RE ~o?iasn aN oo~s~w saE
ONCE SITE IS STABILIZED. ~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 304.5
ACTED SUBORADE PERAIAI~N? GEOIEXiN.E~•IkIDEAI.11~lER~~
1-YEAR STORM ORIFICE 2" CIRCULAR 301.5 DATE 07/31/07
EMERGENCY SPILLWAY 20' WEIR 304.5
SCALE:
NOTES: NTS
OUTLET PIPE INVERT IN 15" RCP 297.0 - level sproade~ is designed to disperse small volumes of concentrated flow across stable slopes. DRAWN WEC
OUTLET PIPE INVERT OUT 15" RCP 295.5 JOB
'THE PARKWAY\NCDENR\Cammwdal\ i
SH704-STORMWAiER.dwq
LEVEL SPREADER SHEET NUMBER
4¦

,1~
~ ~
~ {jf ~S 4 s' a
1 A A
A~ \ '°°~a w ~4 RJR ~2• o e
'4A "`d. O.G: EACH M41Y 1 2' PREf~MED JOWf ~ o e iar a ~o aar oae~av~
~ 12' IY~ ~ ~ ~ ~ aii ~Nt rcpt aR ~s~. ~ n~MC ?a~s rw
~ e ~ A J PLAN VIEW • ~ Aur aPer ,vaa~m aE arrest r ooQ o` oawwmaw ~ ~r
~ ~ fw.r ors r~ aE nw e ,vaa~m
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~ '2. F 'd ~ ~ ~ ~ 1 ~
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d ~ 'da 4, 1
" ~ 'd a -0 Q 1 ~ ~ Q c.~,~cm SEE BMP SECTION FOR SIZING DATA SEC110N A-A ~TM ~
~'d. ~w0~1g T ~1~ ,a"~ 1 'err:..
~1 °4 e A ;,~i ~a O ~ ~ ~ TYPICAL ANTI-SEEP COLLAR - BMP CC TYPICAL TRASH RACK - BMP CC i
:cwt "bp \ t, 'q, a ~ NTS
W` d A{ T ~ Ya `d E ~
0. t~ '3. ~@ ~ •c 'C ~p ''n, Vey, q ^~Q. t 4 ~ d ~ c ,@
s is ~ , ~~/111111
~ ~ ~
a ~ ~ Y 0~
~ ~ a x 7, .a ',d ~ 'S, 0 ` b d; a, \ ~ b z ~45c4' PRECAST ~X
a ~ r $ a Q \ PEAK F10W AflETNJATION
~ a ~ ~ a i ~ ~ a. ~ ~ ~ a b Tl7P OF STRUCTURE ELEVATIpd ~ 30Q.3
~ ~ K ~ ~ d ~ ~ ~A. ? ~ ~ v\\ a Q ~ 3 4 :3 :y @, NOTE ~ I \ PLACE S7EM 9UPPdtTS
Q ~ b~ ~ ~ b ~'q ~ AT 3' FROM BASE III ~ ~q ~J`"O??? 111111
3 S 1, < ~ ~ ~ ~ Q Y ~ ~ GROUT EACH SID£
3 ~ ~ ~ ..w 0 ~ } Y QRIFICE FGR ORANOONN
1 : 3 '1 c ~ 4 Y ~ i g 4 1 Z ~ e i NORA/AL POGO ELEVA7IGN ~ 3Q~.3 ~
g $ a a I a ~ ~ ~ v ..a sa 2~ ~ ~ t a x 'Ae. A i ~ } ~ T SEALED N17H MLOpC NEB GASKET CAST qV MAI~IOiE WALL
~ ~ ~ ~ 1 ~ s x a t 2 ~ s 3 k ~ ~ 4' NRS CAIE VALVE ~a
a• c ~ ? f ~ S 3 "i , tom. id e ` # ~ a ~ ~ ~~at i ~ .a .y ~ ' s ~ f
~ J\ t .4 ~ a a c 3 "a. 3 ~ 15' C1ASS IN RCP g N
c Y `t ~ a q .'1 ~ a ~ ~ 1A ~ ~ 3 2 ,¢d ~ i ~ ~a A ~ 1 b ~ 4' CAP LEAVE END aF GATE BA~1 BOTIGM QEVA71pV ~ 301.0 VALVE OPEN. N 00 ~O
O~
t l ~~\~~\~~\~~\~~~~~~~~\~j ~ r. ~ / PAVED INVERT ~ -t. (,~IOUT e- C ON
a
P { i ~ a ':i ,1a as ~ \ , 4 a 'a 1, ~„M, "4o
:1 ~ . S W N
Z 1 ^~,w 00
* ~ ; ~ ~a 3 r 'a ~ , d ~ ~ 'ta ` ~ \ "a. '~w.w,~..w..v.w.~+w~'"~,""°^w^wn... ~ @ ~ s O~
m, ~ (5 z 1 A at L '1a 3, ~ \ ~ hM,n li'' ~"h ~,q CN
b Y b ~ ,t 1\ `a d. std d~ ~ 1 d Q A .,a `h maw.. ~ RISER & DRAWDOWN DEVICE DETAIL -FOR BMP CC ~
a ~ ;s ~ :b Owl ^ „1 d 1 O
e a. 'q \ x ~ 'h N
V z
w
VENT
SCREEN ACCESSIBLE THROUGH
DOOR
~ NOTE:
SKIMMER MAY VARY U Q z
y SLIGHTLY FROM BMP CC -WET POND ILLUSTRATION Skimmer to Use: 2" Skimmer w/ VD ~ O~
x ner w/ 1' head
Volume to be Drained = 12,695 cu. ft cu. ft
Draw Down Tme = 74 hours FLOAT Office Areo = 1.97 sq. in. ~w ¦
Orifice Diameter = 2.0 inches in. .s
W8
OUTLET END; CONNECTION 00
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN W
EL 307.5 NOT INCLUDED WITH SKIMMER
WATER LEVEL DURING STORM TOP OF DAM EL 3 100 YR. EL= 306.5 SUPPLIED BY USER
306.52
FLEXIBLE JOINT ~ V obo
~ - -
PEAK FLOW - BMP SKIMMER DETAIL - BMP CC LLJ Lu~
T~ j'(j _ _ ATTENUATION POOL = "~~r-r _ , I MINIMUM S ~ ~ _i - MINIMUM S SUM SLOPE 3:1
MUM SLOPE 2:1 04
_ - ARTH DAM ~ DAM Aw voQZ
TEMPORARY SKIMMER ' ~ - ~ j-
LEVEL SPREADER CALCULATIONS U~ 00CL 0
D11: 7.82 AC LL.
ANTI-FLOATATION DEVICE m~ ~ - - C: 0.90 I: 7.22 IN/HR ~aoW
Q: 50.8 CFS x Y. 0
ROUTED: 13.2 CFS w abi o~
ii ~ 4< W
41.08 LF 15" RCP OUTLET PIPE LEVEL SPREADER LENGTH
O 2.6896 ESTABLISHED VEGETATION z LLJ ~W
13 LF/CFS • 13.2 CFS = 171.6 LF w
CROSS SECTION LEVEL SPREADER USE 130 LF (MAXIMUM LENGTH) Q W~
N
NOTE: THE DRY POND SHALL BE UTILIZED AS A 00
SEDIMENT CONTROL DEVICE DURING ROADWAY co
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED NO. DATE DESCRIP710N
OUT AND STABILIZED.
(s,ooo vsi pan oo ss~~ smo cTM) ~ ~ raP av Dorms A
s~ cuan,aiow rnrt ROW ~pM ~ s~~x ~aNOn+
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ONCE SITE IS STABILIZED. S7RUC71/RE ~ ?+~a os~ia+o a+ oovMS~w sro~
~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 307.5
caw~n ~ean~oE ~,,w~r+EO sra?~ - +i~> AMEtIT GE07EX11LE
1-YEAR STORM ORIFICE 2" CIRCULAR 304.5 DATE 07/31/07
EMERGENCY SPILLWAY 16' WEIR 307.5
SCALE:
NOTES• NTS
OUTLET PIPE INVERT IN 15" RCP - 300.5 - Le~rel sproader is designed to disperse small volumes of concentrated flow across stable slopes. DRAWN WEC
OUTLET PIPE INVERT OUT 15" RCP 299.4 JOB
1FIE PARKWAII\NCMM\Ceinmwckl\
SN704-STORMWA10.dwq
LEVEL SPREADER SHEET NUMBER
4¦

i
^`Ta a`"'h4e x e
F • e ~ ~ ~ ~ ~ ~ ~ ~ .~q ~ da fi
.y ~ it ~ & 3 ~
¦ ENERGY DISSIPATOR SCHEDULE ~ ~ A •,..,Y~ A 'h . A w 3 • t~^t 2 ~ n., ~ 4 ~
a ~ P •a "vo. s .i i a ~ •a h a @., 'k,•`)w tMN*~`; eeopa.~ ••M ?v ~ ~ ~ ~ . ~ ~ ~ ~ ~ ~ ~ ~ t ~ a O
~Ma ~ o! 2 C 3 ,,uwx+, a.A A r ` e X ~ a^' S ~ y~ < ~ h a ~ ~ .n'b d F b ~ ~ 1 n 54,4 v`\'W/In'ew>• i. ' :K.tlEUtpy~,, 4fyy, ~ Q'U'•!A'„gn4.~t y,,y ~4 It x~ v v yr5,
AT OUTLET VELOCITY PIPE APRON DIMENSIONS RIP RAP STONE ) ~ : ~'y a 4.. ...a.,. ^q,.~ `r4 ~y~ A. ~eM1 `a~ L im~G11o 'n~ .rfy 'Ak ° 4~ rev<m.,.~.ro: n:..rc,.,n+meaamca°°°" 'y
NUMBER V10 OUTLET WIDTH WIDTH LENGTH DEPTH TYPE SIZE. d50 ~r f t. >a gyp, b't~ h'' Nn'`~, vr"e' ^r .,w.awawo;~.aa• d r ~,p 9
CULVERT 1 12.9 36" RCP 4'-0" 9'-0" 24'-0" 24" CLASS 1 13" n`~.. ~y,,~ .•,e ei, 'aa, Z ~ T !1 i Sr ~ yk F`` l ..~0 e ! ~`0p~ r % % vA\ `20 '3• '3 ? ~ C a .k a ~ 2C.~, °•e ~ i y2 ...y f. °waA~a~, h,~ Y f $R`e E. 'xe„ ,va' E X 'a £ ~n""w°•`\+o.,+cMe ~ '4r, `a ~`aar `y+vo"r'oa t` .3
CULVERT 2 10.2 36" RCP 4'-0" 9'-0" 24'-0" 24" CLASS 1 13" , ~ AA sb \ ~ fl j 4. `4. 1 y a~>4 "fit`. b v:.a~"`y"""NV!` J `y,, 1` ~ m ~ vfyq~ q N9 ~ mvxo,•ar"5`"'a^a.~ ~••4 a ?a. .oaa as 'a„ r o P'i(6 `r~r,~,M'f'+hNM,i^YARr.~,
CULVERT 3 9.4 36" RCP 4'-0" 9'-0~ 24'-0" 24" CLASS 1 13" \ ~v~ q'fy,~a. a ~q ~ ~ ~p .t :t \ ~ .b R y~ tf} 4 ~ Q Q ~ veft° ~ •,,>b.. a\ ~anry,> ~ ..,a :f. r<.,~ .us'f~ ~,~a 4~ c0~t. 5 ~i 3 ti ~4.. ~f. >w.,a>a~° ~~a+~. w f > q6. rsr:~tsa 3~ ^ ."aw.~ " 'tea bra xaatoro'a ee•:a~a° ~.`"ama' a~'ae»a5 '0•»""^ %i Sty~, fr
A _.q9? .'n Yt h ~Y1 h ~Z+ ~~p f s ~ ~ z v e Ce •2 ~ { 'A .\uuy:..(+ s fN vs. ~ k ~,t 'R ~ t J ~t b 4 1 tixJ 't D kL,y \ yre,: 4''",.v n. ."...,~~..v>..wa++•raav:»•:vs•, ~j i, ~B'" ~+q@ > L"'w p ~ 'a, .vnya.. w,>.. r.;v,.,v ' 't d4 0 4, y ~r2ryr ,vYMOgn:r.. yar`h.. .,w.wNY.?„b'NNY.v»w..vy. '0 .e' t ad°° .yp"y~ 3
NOTE: Provide fabric ~Iter underlines specified as Mira 140N or approved equal $ 'W "`aw ~ rb''C. :"y .~"m5r....Yaf.mno-.::nvvN x 'at b i ,,.L „ Y ~ ~b E. a ~K F < '0.. .:wrcw,r ^h,.,~. '";y,,. :.rc:'"~~ c ~S. Q i. d fn4r i• `:a\ ..:.4 fA'q~v,,. ""^'+uanxvxav..+rx::xe,w.a•+A,so„xM H . v..fa +ruwv.,uwnowxw.,•V4.. , trr ~ •~,t f "
Calculation provided in accordance with NCDENR Manual 8.06.5 v'.;a"` ~ ~ ~ t i 2 k S ~ y i % Z Q 1` S ~'2 R ~ ,:3 k F'}• v 's~ e ¢ 3 a 3 a w i' y `rz ~ s ? ~ SAS _ % `v ~ .as F, 'S. v. ~ ~ ` y. s ' "a .Cf' .r `i R .,re) t ? ~`^'•sa,,:. ar` r ~ nw: "~aw.w..«...,t ~ ~rZ ~ M' ~ '.~ra`r .9`. ""<"'ry V4 ,,.a,., 'c\, "''`\btya •1 ~ • ad~~ ~ r .ry nr v . 1Y.,.n,\,.f~ W.,IYa,W»MV.~bxv:4r':,:: 1 1 y `^'•aa,r.:\. .r. c;::ak '~~.:5•y. L[, ~°..'a,wy:.v.wrn`....msw.:.:va,A o 1• cr ,?r ~ir „ r
f^ .F' .a @, 'a. ~ 7 ~ ~ Y ~ ~ 'h d 'j ~i ~ ~ S\, ~ ~L' 2' e ~ Y~ .Ae . 4i !s a, c: a ~ C ~ i 3 w g ~ ~ E 4 p +w 2 i : •"""°nw:,.aw~ a a. ~ i a ~ i r `t 8 ~ ; t a _ k';~ t~. J.a° e L F v '•a u. fo a., 2 ~ .a 4M. `~".o..ra'" ,r - ar... ,,:o+,wxz»:+xraa"""°`rc: I .Y p 4 a ~ ~,~y.~ p 0 i. ~.,,Vf• ry ..,t.,a y'~a.v .'V" yoe •1 ~t cf C ~ ~ 'y,. t .irt>~ ,~r~..,ar•°. 'f .yaw ~,r 5. 1 • .f 5 ' \w:.,.a'rc Z d in`n` '~,a .,.,ab\.y..,,.ar:rw,+\.4y •f,M a 1 R 1 `w,"^ ,av :ate ~r'0 ~ `b 4y. 'w'':,a,. `1a ,:,y^A'xa+ pn' :i~ 1• ~ ,3' ~ ` Y•\i~
' .v ~ 0 ~ `n V ( is ~ E 3 h ~j 2 L V. 'A ^E. 3 '?•3. ,g,&'p ..v`'', n Ci ~ ) ~ r o ~ ~ : 3' i~; p i ,5i C > rh, \ '`'\s` 5~ L 'a 5~ @ai~' ,r~.: ,v°yw••^`• ~h ~ i ~ 'x ~ ~ g w i• 1 ~ ? ...n,. C'A ~ f h Y. ~Ra y 3 ~o ,b, . UL `;e°.wa <:xaxwfm .r,~at#~ >YgWroy / Nwwa„mp" iy S k Y ~k ~5 '"a 'Rx ria "t'e"'"w.. 1.1 ;f'" ZZZ a ~5 `\*'M., ..ya w ~iL ..xo r.`.;"a,,:: ,."x;y4 .a`od a i ya ~
.<y, r"V } > ~ b1 ~ ~ ~ ? 3 3 ~?.s. \ ~ Q a S .,^,w,h = .w „a y:"' S ~ ?k ~ x j '•`.y C sC ~ ~ 'a^ ~ n.\w. N:py~~ C t a•~'•' ~'>A c ~ k g v ~ ~ b ~ "mss 'w„ ~r,~,,.:,, ..;ara .y rt..• ..r: ra. ,,y,.. 'a, off,"„.rr°' ..V t 0 w~~~~•••• ..,w ~ • ~Wre c, i 2 SM1 k
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ar y~. d 0\ Y ix i ` ",sa. `4,. o C. A ~ va,, ..v°°~ .x, ~ ? ES 4 'a `kQ .p„uxac, ( u w.°' ~ ~ u F v?' C se ~ S ; 4 x . ?,x..n. 'C\ R`Sey @ 'A 0 ~•k. v...~.. "w„vw„ ~ D ¢ °w k "\*w..a,oy„ f:,y:r..Am.,,a,,,;,;rr"• fw,4r:, 4 1.1 o"i' : i5~°~ S r MI dF,.r Y ~ Nt d ~a ;i a r .,"i ,~~~•t' »u..m*,* •1 "a"'`•~ .JF .>,eoxeMa' ~ Y yrw.. av.•w°w,. ,y. ~ .y4'' •yL ay"ar., '11 1 ww'6#r tH•+a,„w'^. ~ s(
¦ GRADING, DRAINAGE 8c EROSION CONTROL NOTES v"~ a ~ ~ ~ K ~ iR Q "C . 1~ nx"s°`x)~ ; ~ }2 a< Q g ~ k „•t•„m~°'H'rv~~ v ^'».,wv'nv„`• X \ ~ ^ ~ ~ ,a e a. A ~ "Q(~ i ./'rr'6' • 4'. F .,ar..a, a ~ ~ ? .rc,,a, i' Y 0.. +YI Wttrc '^wYanw++.m>a+M'n,w'w. `t F" 'Q Y gyp`"' p L }~a y,~' ~ "M\.,'•*~n„wnw\,tr~ •,tr^`aw f 1 .aa''6' .r~,o r''°zL kY ,~~`x"y''Mr r ~y r T
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S ~ oA~ ` > ~ `s•,A Ak,:u.:n" ~ % b ~ .ora'n'vx^ ny4 )z a ~'^nx °axr. a 'E `iC ,A ...hv.Mwv., .k •y a, . L " `w y J '~~y"" 3' ,n, F' .v` i ;w 1 ,„r" af,~w.Aa,~... ~7~ g ~ ~..y,F .v`a:,~w^' .y5 rcy+" ~f~~ yf ~ yd' o' d,.+,..»,:.,x.,•aarwn°^" y , :y af' 3 ...aww.i.~yM ~c ";:nw+•~^'a•.o S'r 1 1• e~.a^ rc .F .rt'xN r ,y~'~~ .~~•~~0 rvc r Y
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GENERAL NOTES ` S 1 p.` „vva . .s xhvN , 'C, e @. e. ..,u "'n:.a° S ? ~ ~C, ~''a ~ ),i •!)x•:..k>~ ` a ~ i e r "y, ti s r K a,, A a ~ \ 'k.. % L Z ' )xi, ^".t. ''r' i i t ? 'C /^`"A. .~u~`s~• L t 0 M1 ~ h,. v 'i ' \ a •iL :j: i f 1 ^vwrva`'w°` C i ~J~'yq ~.v?' .c''` S"~ ,d` a?r f~ .~S" yr ~ a. .'7 4 .tr' ..d' t •1 o K• .~"rc /Y .i ~r S' +dl J .w~w"~"w try v"~ .iY .L .tr • 1 , a" 3 o` a~ r v 9 wo~r r ~ .ir`" ,a .a•r:. .r S. ? r r: ,v ;:x 3{~:r'~ 1 .r"~ ~~/11111
B,;rv ..,°a'"^~"ea.^.a"°r ~ ~ '~i L 0 )S R ~e• ` ••'}s ~ ~ s f ~ ~L ~ ~ g W J 5 A ~^vn+xy`•n. ~ o ~ y Y % ~ );A wi, ~ `i S ~ '`a o. 'n 'a ~^.w Law" rr"" .9r R~ 3 >9 Y P" id. :'•+•r`r.< Ao q ,r ~ ~ y,/r"rc 1•• fr?' a ~y~ ..rA` j r :...::•.9~<::::':•`'°ySfr r.'8'tl ~63,r v . ~ r R .vad, • ,v Y v~ ~,d',9 i > Y - ~fl~ r¢•: .i 3 J q r~ # Sv.. ~ y,i A • 1 1 ws+" Y .S .r ~y5y,,,:+wN^"~n M f ~y ~q.( ~ lt?P~ 4 r ~R'l~^' ~ 5 ~ i )ir }a ~S'.ty :.,i: r yq .W: ~ g t/ a ~°'`na„,,,,,N. ' r""" ,3 y ~ ~ i~ Q : r fr 1 rySSN.,rfw;; "a ,W iv r ~ ~.r.i$ / > 'r : °r,..~w^`^'"':,, 11.;..
(1) ALL LAND DISTURBING AC11VI11ES SHALL BE CONDUCTED IN ACCORDANCE MATH GRANVILLE COUNTY ~ ~ SOIL EROSION AND SEDIMENTAl10N CONTROL STANDARDS AND PRACTICES. ~ ~ 2• o , ' ~ ~ ~ 'f ~ h. ~ ~k ~ e 'fit ~J ~ • a ~ 9 `?0 "'"°^~i.,». a ~ 3. 3 $ s . ~ Vii, y ~ ~ ~a j 'fy ~ Id .?'n• •Ia ~ 5 e9 9er ~ d u f3.t Tot 1 ~ r5, T Yn ~3 ) a ~t r ,r P . ; rc i r t, r?k a.u y~a:,, Hr ry# i. rk ;4r 5 r:. y, ~ ~ 3 a3, ar~~'P` ;i~ .arr. ~ a~' o t r r r rr+r'rh t ky~ <fya / f~;1, ¢ t r~d~,~; :f r : br 3 0. ! ..Y a" 6d~ f r y5 Yi .,t r rr ,Y~ vi'» 0E >S R, S'' ~ r. .3~.. brr "$r~ :C>D"9f`r w S • f £ 2 S r r 't ~ .ti, t j n$ a'`~3 rd R~rf f'ra if r•, i' ,.,a~ a~ E~ r$ ;t 'R > ,Y' ,Y 2. a > ~ > > ~ t' ~ iFxq z a i t 5 ri'~~ I , r rid / h: , T ,»r,f .W a iy y ES ! o=K n ' • ? , Ow - i
wv.)waynw \ ; t t x ~ ~ i1v .~t a ~ D. x`ha ,•N'r." ~.n. +w„vR•`y o ~ Y p ~ eq ~ ~b ~ e `~p~ . 1 ~ ,:r'M't' ~i ~ rx a <..rr i e C rt 2~i ~,a, M x ~ d9" x r r s r ~ /rT,~ \ • vrw ?t .i dn£ ff» ' • . w a„or < i ~ f r Fy. v'r r r , _ ~ t~ 5~ rf' ~':~i 3L t i S,~ 3 n ,t i. 3.' yaa J f r S r> 1 < i y ~ t i3 r`4ww., .t 13 r~ f` .,r~'"~yx ~ r t r~rls tr i ~~r r ~ rig > 1 t R a'~',s7{a£a~~U•~ ~ ;i Y'~~ tf it di a), ~ v!; ~ V a # ' . •IS d 5 .,a v 4' S oh y r ur r,. 2 U~~y yr f,~ N,,, ? t r \ r~K r.x <ri r r> f /a y jj f x... • } .rc"" { : err r d F3i 6 o-d i r.. r ~ StrY»fa~c.., f 3 ?Ma M.~on: .;^ro~ ~ S ? • • f Q OMO
(2) THE CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING ALL TEMPORARY SEDIMENTATION 'Y 0. yn v g i o ~e ? as ~ ` .v ys 2F• rr• i i uy ra r r3 rx ,,tf? „ e A L ~ ~ 2 *'•a, ~ ~ ? ' i? L ~ r A r X k t. l~5:f f r r < ,~>y : b ~ ..n ^R, $ d 1 ~ d / r t . < r : d ' j•, . ii y ~ L ~ f n Ma .y • r= a ~ w r ~ ^.:wawa"' ~ S cep ~f ~ ~ • ~
AND EROSION CONTROL DEVICES SHOWN ON THE APPROVED PLAN. ~ (3) ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE STA81lJZED WITH TEMPORARY SEEDING ~ _ ; A ,xisa .y`~0 ~ 6 v.>kh •~l ~ `s,. ~ 9• \ .a xh.»zY `:v,w `<w..,wpP`:.a». .w..w,,.,.•,w,µw~+' a `Y) ~ ; ~ ^ • 'b 'Q e .ry; 2 ~ ~ ~ r `..aa I; • ~ ~ ~ ` • 5 ; ~
yy • .e 4 Y 'r g f ~ p „y :a S ~ k
AND MULCHING WITHIN 15 WORKING DAYS FOLLOWING COMPLETION OF GRADING. PERMANENT ' C t 4. ~ • W < .t~ t ,L, t a ~ } ~ ~ y> ~ e z ~ 42 A 3 ~ \ k < 4,4if &.P % A4 C 3; 111111 s
SEEDING, MULCHING AND GROUND COVER SHALL BE APPLIED TO THE SITE FOLLONANG COMPLETION OF CONSTRUC110N. ,f ~ ~ ~ F ,«m., ~ ,y k • r ,.v' v.•,y~ ` ~~"ea. •yCs• ~ ~k ^'4 Css +si .i" J S. O ~ ~ ~ hb • n t. ~ 'A k'i; i ~~ii 6. q, t 3 0 ,fi ~ ~ 4 t i b •t i > a~°aw 1 5 $ t `a hn a r : 2 t o ~ F ~ 3 S Y
'n. +w } s s Q L ,ib4. ~a,, \0/ Y > Q ~ ~ :ti T'a~ i ~a a ~ q ~ J t~\ «?`'s:..H. .yam w..„ iS ) 'h o. •^,@ / E •1 +~i '@<.; b r ~ ~ a. 2. ~''yw ~ 7 , t~ \2, i q i ~ £ f y
(4) SLOPES SHALL BE NO STEEPER THAN 2:1. PREFERABLY FLATTER FOR VEGETAl1VE COVER. i ~ 3 99 f 'k ) f ~ C ~ X C t 2 'b4 t 1~ `La s « ~ l'& ~ 3 r ,ri r ~ L i ~'y d~ 6 S ~ ~ 3 •2 t ~ r, ~ t .c~ A y ra a l ~ ~ r ~Z >44M,a ~ (1 2 "`W: 3 ~ d i is • r y
(5) THE CONTRACTOR SHALL FAITHFULLY MAINTAIN ALL SEDIMENTATION CONTROL DEVICES AND TAKE i a~ d ~ S f ? r f ~ : j p ~ f R f A wvn ,v, 4 3 ~ S, ~ 40. t ,a ~"\.r" ~y a A ~ g 3 d"""wr'r'"~ ;t 3 f E \ '•y;C~ L 5 ! 2 ~ a i5 ~ E "'A, ~ ,f 'b ~ 9~ y`
ANY PRECAUTIONARY MEASURES TO ENSURE THAT SILT DOES NOT ENTER ANY NATURAL STREAM CHANNEL LOCATED NATHIN THE SITE. DRAINAGE CHANNELS MUST BE CLEAN OF SEDIMENT AND y` ,'9 x t ~3, ~ ~ $ t t rq ~ ~e ; 3 ' ~ L' ~ 4 ~ ~ a o ~ ~ ~ b ~i \ ; £ ~ F sr R ,
STABILIZED BEFORE THE PROJECT IS RELEASED BY GRANVILLE COUNTY. ~ ~ 3 a i % r ~Oi V ~ ca Q
as ~ d p'd ~ q .tea a 4 ~ ~ : J,,, i 6 s . , ; t e. .t ~ 2. t k t ~ r Q' a'
(6) TEMPORARY SILT FENCE MAY 8E REQUIRED TO BE INSTALLED IN AREAS WHERE SEDIMENT BASINS HAVE BEEN REMOVED. GRADED. AND SEEDED. THE SILT FENCE SHALL REMAIN IN PLACE UNTIL ' y•' ~ S 3 ~ s R 7 I "a < r f x i i "dc S ~ L <A ~ `t % 'i ~L 3 t ~ ~ f 2` i y { N 00 \
GRASS IS ESTABLISHED. • ~ ~w \ ~ r z "y . ' r' s ~ ~ ? P a f x~ f ? <e ~ , a ON
(7) THERE ARE NO DESIgVATED AREAS FOR BORROW OR WASTE ON THIS PLAN. EXCESS TOPSOIL ~t `a > ~ 6 , a ~ ' i ' ~ ii iy ( < `S b. `~k ~ d w..~ . •uT.
OTHER WASTE MATERIAL SHALL BE HAULED OFF-SITE. NO BORROW. WASTE. OR OTHER GRADING \ i ~ ` ' : i , Y D ~ a b ~ § `a t 3 i ! w~ 4 ~ , 4 t
ACTIVITY SHALL OCCUR OUTSIDE THE DESIGNATED LIMITS OF CONSTRUCTION. t , , , ~ b. , ~ fr ~ e S I \ y ':..~w.\.. ~ ~r 41: S `4, :ww""y. "y. .?y~t i I= 0 ~ '"a 'a, ~'yc w. ,40 .a .~Ln. r'i y
(8) FLOOD HAZARD REGULA110NS THERE SHALL BE NO FlWNG OR THE ERECTION OF PERMANENT ` ~ , } " ~ ~ a..b '':4 \ l to .,,t' ` i r , t ~ t y : w \ 4 . is { 1 • N
STRUCTURES IN THE AREAS OF GRANVILLE COUNTY FLOOD HAZARD SOILS OR FEDERMAL EMERGENCY ? t `f ':i.\ R i ~f ! la^.., br'., rta i r. t.•a ~E. i. \ L, y 5 w * ; ~ .a~ r i ~ 00
MANAGEMENT AGENCY (FEMA) 100 YEAR FLOOD ZONES UNT1L A FLOOD STUDY IS APPROVED BY GRANVILLE COUNTY AND/OR FEMA. BEFORE ACQUIRING A BUILDING PERMIT FOR LOTS (OR OPEN SPACE) ::3. i~ o a iY:). ~'k a '''ten 'a ` ~l r ~ ~ S
MARKED BY AN (ASTERISK) THE BUILDER MAY NEED TO OBTAIN A FLOOD HAZARD AREA USE ,C ) ` : L ,:,a ~ a ~ '~e. 5 t ~ s ~ ~ t, ~ \ 9g • .J ~ f \ ' y •~Mi•py°°w ^ t ~ a V` Y f ~ •1~
PERMIT FROM GRANVILLE COUNTY ENVIRONMENTAL SERVICES. THE BUILDER'S ENgNEER, ARCHITECT : ~ 0 i ) °n, ~ i 4 ~ r \ it t ~ ~ ~ t i` y.. t• O Z
AND/OR SURVEYOR (AS APPROPRIATE) MUST CERTIFY THAT ALL FL000 HAZARD REQUIREMENTS ARE MET. ~ s • EN 5 3 ; °~.ir ~ 4 ~ ~ 4 i x~''~ L * b • e ~P~ Y
~ z L ~ i 1 Yt`~~ ~ t N Z
~ ~ ~ t
CONSTRUCTION SEQUENCE CONSTRU 1_ CMtnin n Inns-dislurhlne ewrmlt_ Sehwdulw n eraeru~sfn~r_tlev~ rr~nfwrwn~w urith the Fnvlrnnmwn~nl TM~$ 2 • ; \ `h ~ ~ ~ x ` . } <S i i S • t ~ y'r,
°i •`AaN } f I ? a ~1 ? l y ~ i~~~>. ~ a ,i 7., . ~ R 5 T r -r ' ~ A TWA R
THIS 28.24-ACRE SITE IS LOCATED ALONG TH SOUTHWEST SIO ~ x 'J ..1
Engineer. Dove Parnell. of 856-6195. OF CR 2. Install gravel construction pad, temporary dlvarsions, silt fence, sediment bosJns or other mecsures A COM as shown on the approved pion. Clear only os necessary to install these devices. Seed temporary ~ TME OF NC HWY 56 IN SOUTHERN GRANVILLE COUNTY IN THE TOWN ~ ~ : ~ ')fp ~ ~ ~ w r ra` ~ r r • low
ti ~ ; 2 OF CREEDMOOR S JURISDICTION. THIS PROJECT WILL CONSIST OF > . ~ f I > i ~ A COMMERCIAL DEVELOPMENT ON THE NORTH AND SOUTH SIDE ~ ~ . 3 i ~ gyn. 1•• IV ~tvyM 1.1 • • { F @ ~ ~ Ir/ ~ • r ~ ' ~ 1•• I~n1 ~ •111 ~ • • • • • j F
~ , , ~ ~ OF THE PROPOSED ROADWAY. ' ~ ~ E ~ 7 3 k .11.11"1;' •1Ir1 ~ .+A'w"~' ~i ~ ~ ~ 1 i
dlNerslons. berms and basins /mmedlately after construction. RUNOF 3. Call 856-7549 for an onslte inspection by the Environmental Engineer to obtain a Certificate of TRIBUT CompNcnce. RUNOFF FROM THIS SITE IS TRIBUTARY T AN UNNAMED 0 • ~ • / a •i1' i ; 'V • / 5 O
b' A ~ ~ ~ TRIBUTARY IN THE NEUSE RIVER BASIN. ~ ~ ~ ~ ~ ~ ~ . ~ : ~ Irk ! 'ya s , O
r. a' , • ~ r 1'1 / Q 1.1. •'a,. ~ V
SEDIME 4. Begin cJeorJng and grubbing. MoJntaln devJces oa needed. Rough grade site. CUSTO OTHER IM SED ENT RUNOFF IS TO 8E CONTRO Y THE USE OF LlEO 8 CUSTOM BASINS TEMPORARY DIVERSIONS SILT FENCE AND ~ f ~ , 1 1 t \ t ~ t 'i ~ ~ , n r S y r,
\ OTHER MEASURES AS SHOWN ON THIS PLAN. ~ P ~ ~ 1 • i • • ~ , , 3 V • 2 i i
5. Install storm sewer, !f shown, and protect Jnlets wJth block and grovel inlet contrds. sedJment TOTAL traps or other approved measures os shown on the plan. Begin construction, building, etc. 22.6 A 6. Stcblllze site os areas ore brought up to fTnlsh grade with v~egetotion~ paving, d/tch Ilning~ etc. FEMA Seed and mulch denuded areas within fifteen (15) days of completion of any phase of FIRMS ~ w r` ~ 1, w~.. ~ ~ ~ . • TOTAL DENU AR A FOR THI PR T I APPR XIMA Y DED E S OTC S 0 1EL ~ ~ • • ~ • • 1• ""s 11.1 iJ
22.6 ACRES, z ~ ~ ~ Z ~ ? 1~~ 9e • • • a / , • • • • • ~ v t a a ~ , .a T `b,,, `1 r t 00
9 ~ ,.I1 ~ i T ,~9 ~y t~; FEMA FL PLAIN N THI PR TY I WN P R MA .;~~o ~ ~ OOD 0 S OPER S SHO E FE R wa , , . m~$ Y'4 > ~ A v ...i a ` a z Lo
construction. FIRM 3 720088600) DATED MAY 2 2006. ' ~ » a ~ •a A F ,y° s t „h, `'t ~ ~ I Z, f t V
• ~ , ~ E ; ~ ~ „k~ C41) to
7. When construction is complete and all areas om stabilized completely call 856-7549 for an Jnapectlon by the Envlronmentol Engineer. \ •,.`ti ; ~ w„w„ a ~ a ~ w,..,,,.,.M.~, ~ ~ +aY F ~ `'•k J u Lo O Q
'`r., `t ~ \ ~ $ { S 4 ~
8. If site Is approved. remoNe temporary dlv~emlona. silt fence, custom basins, eta, and seed out or stabilize any ~eaulting boro areas. All remaining permanent erosion control devices, such os >v„ r,...,„ M. ;aMp~4e >:a i ~ ~ ~ ''a, e t. ~1' w a
velocity diaaJpators, should now be Installed. ~ f fv. la . .Y,y j' v } v., < f 2 ,a ~ { ' ~ a ' k ~ „t y i 'FYw'v„~ .a V,4 ,.,4 W
9. When vagetotlon has become established, call for a tTnal site lnspectTon by the EnvTronm~tal N~ a..www..M.xk Q ~ > ` r .,y , J + 4 ~a t ~ ~'sV j a "'a i ~ \ ~ ~ t b ~i W 00 Q Lr)
Engineer, Byron Brody. at 856-6195. Obtcln o CertJtTccte of Completion. V , , v rn,~ ` w 'M~n v I r'' Y ' . e. w, , w~. ,.w.a' i ~m . ~a~ P A~N~`M., ATE : ~ t c as a.„a3 ~ n`ti, N
~ - ~
~ ~ wn ~ c ~ ~R, f t ~ r \ r \ z , ~ `r,a a\ V LL. Q
~ ti. J' i > ~ 'a, T N ~ t 3 ~ ~ t ~ ~ E { i i aaw ~t ~ ^ H t ~.M Q it V)
¦ STORM DRAIN TABLE ~ Y~ > L`" s' ~i p ,r' r'`+` ~t' 1 p n`ro, R tFg . Q ~ 0 w
.r~` ~ M1N r, % r ~ w ~ ~ / ~ r ,,ww,,, e y. s { ~ O f i e .T ~ ~ o r' 4 ~ t a
, ^K~ ~ wM.,+.w .,w,. E ~ ~`a f i , ~ ~ J {t 1 O Q O LL.
Node Len th Q10 Q25 Size Upstream Invert Downstream Inv. Sloe Rim ft cfs cfs Elevation ft Elevation ft ft ft Elevation ft 'b, ~ ~ " V`\ kv"!a M ,.,E 4 e~ ~v,M. i~ f ~ ( T >t / iey 4, 1. ' t j r ~y" ~ ~ H a Fy ~~4 ~a 3 ~t O w 0. ot
CULVERT #1 73 61 69 36" 296.00 295.00 0.0137 318.80 t + to .,.vrM,, `f ~ Q . ~ 3
CULVERT #2 73 61 69 36" 296.00 295.00 0.0137 302.50 "w..'"•...., Mµ,~~ ~ ate' ti°~ePe n f \ Vw 1,t a f 1 4. \ r ~ s : , ~ W ~f
~ ~ Av. ~ ~ ~ ~ : ~ ,~t > i 1( s ~ F ! ~ ~ ~ ~ S i ~ < i ~ f ! r w
CULVERT #3 77 61 69 36" 296.00 295.00 0.0130 ^k~`A. f F~ ~ ~ t f1 b :y, j i E .v 2 1 ~ ^ ~ 4 v ~ ~ ~ t r ~ • ~ t. i ~ f
CULVERT 115 12.3 14.0 18" 309.50 307.30 0.0191 : ~ ~ a ~ ~ ~ ~ > t : ~ fi ~ t \ Sent' k .~w + + : + 1' a Z Lj Y
CULVERT 107 4.7 5.3 18"** 301.90 301.30 0.0054 1 ~ ~ 3 > r, ~ ; ''B ~ + y a f~ ~ ~ ty r y : , ~ ~ 1 F , , > Y W ~
(i 10=7.22; i25=8.19; all pipe is Class III RCP unless otherwise noted) ~ ~ 0, , ~ _ ~ r 'w > ~y c x. • ~ ..r k x ; i+ i 4 T y xt J
=class IV RCP e :.vv J.N•: Myl.. ::.bM ~ .Y ~ w r ~ ~ , \ ~ 4 r a` , p, r k r ~ f , a i~ t + r;•
. : ~ t f t 3 ~ :.v+.,w.. F a "v ~ l ~ ~ i f o0
\ ' b. J ~ b \ ~.ti ' Y: 1 ~ t s~ w L , > „ y.. + ~ l ; , j
~ i t it , t ~ t ~ ~ s „v { 00
:..tea '@, ;'i ,q „ ~ ? \ I ~ ~ ~ ~ 'a 0 a f 'a h i. 1 , ~ ~ ; B f
¦ LEVEL SPREADER TA6LE ~ ~ ~ VHF "r yr ~ `a 3 F'+ a ~ , ~ g 8 ~ 3 REVISIONS
Drainage r L J. y• ~ > a • \ .,„v.«.:,„f +j to ~ ~r•'r . ^ ~ t /t" NO. DATE DESCRIPTION
Corresponding Area Q(10) Length i r,~~'{. S ~1. .•j, , r 7 ~ f~ t. a 'gib` ~ S > ! .i' y aFt ? e ~ ; t a»a*""" r u"°"`ww. Ff s 1r a 4 4 `<q, ,
8osin (ac) C Value (cfs) (ft) ~ ~ 5 .rT°~ ~ i x ~ ~ ~ b., i } 'S 1 i
BMP A 1.98 0.9 9.8 130 o ~ s g F ¢ ~ ; d ~ ~ .sv, ~ ..S'r ."v`"..;g,~.„,. ~ ,J -0~M1• "ro'Mw \ '?•a,,t,° u'"A r~ 1.1 N• r ~ ~ ...YMMr.._ ":'~vF, n4NiMM •1~ ~y ' ~ ~ !\A'~ 1 2 f ~ a°' ,r•`^ yr ~ ;"''nn,.,w,,,, ao' ~ t+,, 1 Ir11-4
BMP B 0.72 0.9 4.7 65 ~Y ~ 1 f 'b 5 llf 2 ~ ~ ~ ; .iA . ~ ~ Y ~ 4 ~ i ~ r;.: w•"w`F :J°" i,~,^'.`.... n"`" t 1 • ji1 1 1 '1. i t F i x y. ~W y J`` r^•,•n:,. M ++.ww„•••r'' Z X ,v`,, a ~ { < :Ga > / N~Ma F.' ~,,,a w.,,,w...,„.•„\»,v...v.....w,r«+nwv.,...~,„,,.,.,.,„, ~ A,,,.:N` ,~.w:r'y, `b, ~,1.a •p't
+ 110 FOR THIS AREA =7.Z2 ~tt 5 3, F 3 ; ~ i+ + ,dry ~ i tin ,;t 'k, 'a ~ ~ ~ ~
~ 13LF/CFS Fqt GRASS (AIA)OMUM LENGTH=130 ft) : ' y... ' a.,,w C~ J'~ ~ i 1 r t ,L ~ S, ~ ~ > t ~ t , vG F c :F ~ ~ ~ r'+ a ,j: x t~~ m ~ `ipxK~ t' ~ v i'~ ,:xeo rra .:.,»,.a ''Mr ,~,b't r•`"" ..,,w`' ':~a L l,, r• +o~µS F F ,6'' .s tty~ F, '"~•r.!Y t h
FOR COMMERGAL BASM LEVEL SPREADER TA&.~ SEE IMPACT SHEET 1 ~ ~ ~ ~ r' ~ f ~ j < j J ~ ~ i ~ ~ !:a f, .0~+ % ~Z ry p a' M."h4:,,. ,,,,.a+. a.,,:omx. ,n5•~F~ ' ..00 ~rY +t• a JL ` a >
<t j i s ) gf M, f t ya. ) L f f ~ a "",»..wr.w...,.,,,:r,,,. , ...vim ~ , .M•i i vx ~ a ~
j y > ,a>;p Q ; ~ i S / f~ t Y 't i , + T 1, s ' ~ , y 1 : ni` n~ Z `F i ? ! w w:„.„;+~ ~ r++~ r"tea
g i ? a ; ' + _ rY ~ i 5 7 ~ ~ • F F+ ~ R•,w,vnvw.w,.w.<.wx„„,.. ~.vn,+ +~,,..,wM.,,,n„„•y,,:vv' ~A > ; No/
¦ TEMPORARY SEDII sF SILT FENCE Droinogs Denuded Volum ~a ~ Requiro • ~ • ~ + TEMPORARY DIVERSION Basin Type (ac) (ac) (cu. ft ~t B~ 0.91 0.82 3276 y r ^ z ~ rs 3 p ] fj 4Yli , , ` ` r ~ ; + ~ ( ~ , , AM '~;.'^'!AM MA" ,M,. '~..pF'~'tl '~4nAw `NW ~ . 1:., n i ~ L t y ••.,n :tom .N DATE 08/28/07
¦ EROSION CONTROL KEY C N • F ~ F R^i ` O d A~ :Y~• t S: ? ~ , i i www ~ < ,
rt ! .oF' r"' " z e • i ~ it y . f Sediment ~ ~ . ,r»: s r Volume Sur. Area r t r ~ K ~ A + , < w.+M, • ~'~w ~ , SCALE: 1 "=100'
Weir Su . Aroa Volume Basin Basin ~ , Stora e f a . t _ C a ue _ . Re wired Len th Width R it , . ~ ~ ~ Len th u ed Provided _ Provided De t _ f t 9 P s ~M F.aa +J d d F f ? A +a •N,.:• nn . t \ e f , . ..r.... a", DRAWN
v ? ~ i ~ cu. ft. ft ft ft ft. s. e. ft ft ~ cu. ft. ~ t 4 q d ^e' ~ ' i ~ j ~ i 3 i £ °RY*w, ~ 3 ~ , R, ,r s J• WEC
3276 5287 90 30 3.5 10 5.9 0.9 2576 ~ - a - F ~ ~ } 2700 a f .va s~ ~ r :%r ::+vr,,. ~;i i~ t ~ r~~ Jr i ~ r'"~ q'r wa .~"a,«. ,.„arw, F... v J06
CHECK DAM 8MP A 0.99 0.89 3564 3564 5727 93 31 3.5 10 6.4 0.9 2802 2883 d~ .$'"taeo r terra."~~++ .n~JV .~"Me I ~u~ ~i~ ~ r`Nw I ~ ~ !J"'a i ~ot~ „wwn ThePorkwoy\Construction\Phosel
#3 VU3TUM UAW VAU U.%M 144U GRAVEL CONSTRUCTION 1440 1 S83 60 Zo 3.5 1 0 2.8 0.9 1131 1200 I at Submittal \SHT05-Drainage.dwg
c;usno~ e~?sar 0.32 0.28 8MP 8 115 ENTRANCE 1152 1499 34 18 3.8 10 2.1 0.9 906 972
CWM eMW 9.78 9.78 8MP CA 3520E 35208 36957 210 70 3.5 20 28 0.4 12303 14700 SHEET NUMBER
FILTER BASIN w /WEIR 8MP CB c RON 10.6 10.6 36811 c;usro~ mm 7.80 7.80 36818 36957 210 70 3.5 20 31 0.4 13385 14700 100 0 50 100 200 4W
2608( 8 PCC 26080 27320 183 61 3.5 15 14.2 0.4 9812 11683
ENERGY DISSIPATOR M 5¦
= inch 100 ft