20070241 Ver 2_Stormwater Site Plans_20080117

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~ z surolr ala Nr,aac ~ r ~ ~ sr SNNR4IOLIID m Al z suroar eNS Nr paaao ar saws aorno m ar
~ J \ ar saes ar asst
f ~ \ \ wse ELEVAnoN SEC11oN
~ \ \ ; y x l~ 1 1 • x 1 1 AfNiE Qt \ ~ t ~ 1 /1 SIt81FE
\ \ 2000 PSf SAN. -
~ ~ ~ BEVP0IG CAPAd?Y SEE BIHP SECITON FOR SIZING DATA SECnON A A ~ BENEUFi COLIAR
\ \ \ \ TYPICAL ANTI-SEEP COLLAR - BMP A TYPICAL TRASH RACK -BMP A
\ \
~ ~ ~ Nis
\ ~ \
~ ~ \ h~
~ \
0 ~ ~ ~Oti t~ 9 9
~ ~ \ 4 Jf= :O• t
1 \ ~ \ 4'x4' PRECAST BOX \ \ 2 S
~ PEAT( FLOW ATTENUATION ~ iOP OF S1RUCIURE ELEVAIidd ~ 301r b Q
PUCE S1EY SUPPORTS ~ AT 3' fRAll BASE q0~~4 M n~~~~,,p Q c~'_ ,
\ 6®U
1' ORa'ICE FOR DRANDOMN CROUT EACH SIDE
/ ~ 307.5 NORMAL POOL ELEVATION d~
~ ~ T SEALED MI1H A-Lod( NEOPRENE
GASKET CAST NV MANHOLE WALL \ 4' MRS Cu1TE VALVE a~
1 ~ awe ~ ~ TS• aASS a RCP g N
E L D ~ n.. I , 4' CAPS` LEAVE END Of GALE N
I BASNV B011T>AI ELEVAl10N ~ JObO VALVE Off'N. O~
t t`0 O~ t
\ \ \ \ \ \ \ \ \ \i \ \i\\ \ PAVED O14ERT ~ ~ ~ ~ ~ ~ ~ ~ ~ ,a, W
I ~ { Ua
by / / / ~ t , x ~ I ~ \ x. W
\ ~ ~ . , ' ~ IN ~j N
4 ~ ~ ~
\ ~ Q, a v
\ t RISER & DRAWDOWN DEVICE DETAIL -FOR BMP A O
I l ~ NT5
I N
t z ~
~ I ~ ~ a ~
~ , ~ ~
~ VENT i ~ SCREEN ACCESSIBLE THROUGH ~ a
' ~ DOOR r 0] ~ A
NOTE: s a 1 ~z
,r~ ~ ' 0 ~ SKIMMER MAY VARY
~ ; , f suGHTLY FROM BMP A -WET POND ~ ° ~
ILLUSTRATION " Skimmer to Use. 1 Skimmer w/ 1 head ner w/ 1' head
Volume to 6e Drained = 8,171 cu. ft. cu. ft. ~ ~ a
Orow Down Time = 95 hours FLOAT Orifice Area = 0.72 sq. in.
' in. aj w •
Z SCALE: 1 " = 30' Orir'ice Diameter = 1.0 inches O ~ W~
I~ OUTLET END; CONNECTION
y TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN Fri SHOWN
W NOT INCLUDED WITH SKIMMER H~ V ~
SUPPLIED BY USER ~0 J
FLEXIBLE JOINT w ~ ~
WATER LEVEL DURING STORM TOP OF DAM EL. 310.5 W~ ~ ~v
100 YR. EL= 309.52 BMP SKIMMER DETAIL -BMP A
w~ ~ W
- I- r - _ ~
.I - PEAK FLOW I~ _ - 0 ~ U
~ i I ATTENUATION POOL ~ - ~ , T MINIMUM SLOPE 3:1 A~ Boaz o ~a
_ I -i ~ MINIMUM SLOPE 2:1
r ~
ARTH DAM I I = U'~ ~aQo
- - Iii _ LEVEL SPREADER CALCULATIONS TEMPORARY SKIMMER - - . ; ~ ~ ~ O W Jq~ I ~ ~ ~ o. ~ Y
I ~ DA: 1.89 AC .I 1048 ~ p a
C: 0.90 I: 7.22 IN/HR
I I - - Q: 12.3 CFS
ANTI-FLOATATION DEVICE - - ~ ~ ~W
I ROUTED Q: 1.8 CFS z w ~
I LEVEL SPREADER LENGTH w
Q Y~
60.06 LF t 5" ~ ~ ~ ~ ~ ~ ESTABLISHED VEGETATION RCP OUTLET PIPE 13 LF/CFS • 1.8 CFS - 23.4 LF J
® 3.33 USE 30 LF (MAXIMUM LENGTH)
LEVEL SPREADER
~ ~
REVISIONS
NO. DATE DESCRIPTION ~
NOTE: THE DRY POND SHALL BE UTILIZED AS A
SEDIMENT CONTROL DEVICE DURING ROADWAY a~• «
cacao va LIII tiE ~ M~~ taP av amm AND UTILITY CONSTRUCTION. ~
~.ow ONCE SITE HAS BEEN STABILIZED AND GRADING snwcTU u~ aFV~noN•
RE 4 - ~aagt oosiN+c sLCac a LgNN51REAY SIDE IS COMPLETED THE BASIN SHALL BE CLEANED
--I ovals now OUT AND STABILIZED.
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED
ONCE SITE IS STABILIZED. ool~~c>EO DATE 07/31/07
COLPACIED SUBGRAOf PERIIMI~EI~T l'EO~IE%RE4•UIU1F1tlAiER~)
DIMENSIONS ELEV. SCALE:
NTS
TOP OF DAM WIDTH 10' 310.5 NOTES: DRAWN WEC
„ -Level spreader is designed to disperse small volumes of concentrated flow across stable slopes. 1-YEAR STORM ORIFICE 1 CIRCULAR 307.5 JOB
11E PulKW1NNC~ENR\Cemmreid\
EMERGENCY SPILLWAY 16' WEIR 309.5 . O~ .,Dn 1 t_ ` V n sHm4-sraRwwA7Mawy
FOREBAY VOLUME 159' Q~ T SHEET NUMBER
OUTLET PIPE INVERT IN 15" RCP 299.0 LEVEL SPREADER
OUTLET PIPE INVERT OUT 15" RCP 4297.0
4¦ I

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i /4 REB~R 12' e O.C. EACH wily ~ . PREFaRMED JOWi e e
ar s to aoc aa~ax®
r • i M!S#~ I~B Ik1E4 Yq' quit ~ x~aES"~ra~ iar
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i CItl~et B I! oYIE CdMp11FD IEAY. PTE aumr e u aar
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r' , ~ lula®lo M ~ OF ~,wauo ~A~~a~ nF asp,
,r ~ ~ ~ seKS,~,vuaH ~ r ~ ~ ~ s~warr eKS woia® er smw~ eau®~o sr
r1 ~ r~ i Rat or a~
~ ELEVATION SECTION ~
xt + ~ • ~ 1 ~ P AMIE pt
I 2000 PSF ~ ~ BEAteNC GPAp1Y SEE BMP SECTION FOR SIZING DATA
~ ~ - BENEITH COlIAR r•
i t r: ' ~ S ~ TYPICAL ANTI-SEEP COLLAR - BMP B _ TYPICAL tR,4SH RACK BMP B
1'
X g ~ ~ . 1 1 ~ , ~ W
r• ~ 0 ~ ~ ~
' y
~ ~ r ~ V J
r~ r~ 1 ~
5 I I
/ 4x4 PRECAST BOX PEAK FLOW ATiENUAliOM
t TOP OF STRUCTURE ELEVATION •301.8 =o`~ z
NOTE: ~~y
/ PLACE S1EM SUPPORTS ~ AT 3' FROM BASE
4_9 y GROUT EApI SIDE
t ~ 1' ORIFlCE fOR ORAMDOMN 1
L D I NORMAL POOL ELEVATKN •3028 p~B
~ T SEALm wTH A-Lop( NEOPRENE
1~ ~ 4' V ~ CASKET CAST 9V MANWOLE WALL . NRS CAIE ALYE
. .
p f5 CLASS B RCP
~ 4• ~p LEAVE END OF GALE f ~ ~ ~
BASNI BOT10M ELEVAl1QM +289.0 VALVE OPEN. t ~ ~ ~
I ~ ! i . \ \ \ \ \ \ \ \\i\\ \\i\\ \ PA 7 ~ z
/ . ~ ~ ~ ~ ~ ~ ~ \~i\ ~ r\ ~ QED nl?~ER ' caour e• x W
\ \ \ , o ~ a
f ~ ~ p. . 't. ' 1 s U~ w
O / / / ~ N
r ~ ~ ,r ~ ° Z
~ ~ ~ Q
r ~ ~ ~ RISER & DRAWDOWN DEVICE DETAIL -FOR BMP B
~w . ~a Nis O
I ~
z ~ a ~
VENT
SCREEN ACCESSIBLE THROUGH ~ Q
DOOR z e. OA 3
p SM'1LEe 1 ~ 30' NOTE: U; ~z
SKIMMER MAY VARY id
y SLIGHTLY FROM BMP B -WET POND ~ d hh~~ o Q
x ILLUSTRATION Skimmer to Use: 1" Skimmer w 1' head er w/ 1' head V ~
Volume to be Drained = 4,438 cu. ft.
Draw Down lime = 4S hours FLOAT Orifice Area = 0.77 sq. in. in. ~ ~
Orifice Diameter = 1.0 inches i ~ W
W~
OUTLET END; CONNECTION TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN W
SHOWN
WATER LEVEL DURING STORM TOP OF DAM EL. 305.5 NOT INCLUDED WITH SKIMMER H~ U~
SUPPLIED BY USER _ _ 100 YR. EL= 304.52
~o Q Z~
FLEXIBLE JOINT w ~
BMP SKIMMER DETAIL -BMP B W~ ~
PEAK FLOW _
ATTENUATION POOL NTS - TTi - _ ; = MINIMUM SLOPE 3:1 w~ ~ W~
_ jji' -i -I MINIMUM SLOPE 2:1
~ o ~
_ - ARTH DAM - I - Aw voQZ
TEMPORARY SKIMMER - - ' ` • _ o ~a
- - ~ LEVEL SPREADER CALCULATIONS
- DA: 0.91 AC Va 0$Q°
ANTI-FLOATATION DEVICE - C: 0.90 I: 7.22 IN/HR ~ ~a~W
0: 5.9 CFS ~ ~ a O
- - - - ROUTED O: 1.7 CFS W J O3
M 56.81 LF 15 ~ ~ w
RCP OUTLET PIPE LEVEL SPREADER LENGTH
® 0.88 ESTABLISHED VEGETATION z w w
LEVEL SPREADER 13 LF/CFS ~ 1.7 CFS ~ 22.1 LF
USE 25 LF Q Y~ J
ao
NOTE: THE DRY POND SHALL BE UTILIZED AS A ao
SEDIMENT CONTROL DEVICE DURING ROADWAY
AND UTILITY CONSTRUCT10N.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED N0. DATE DESCRIPTION f
OUT AND STABILIZED. cure : au ~ ar aur~m
cacao PSI war oowP~ss~c smowTM>
~`s~oa~°i ~o~x NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ~0W smuc L~ ~pp~ LIP ELEV~nara
TURF 4 -6 H'101~lI OOSiNO SLOPE ON o0M115tAENl SOE ONCE SITE IS STABILIZED.
J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 305.5 r-°'
sum
AC1ED SUBGIGOE PERI/N~T OE~1E%ME4•UIIOERLl1~~R~)
1-YEAR STORM ORIFICE 1" CIRCULAR 302.5 DATE 07/31/07
EMERGENCY SPILLWAY 16' WEIR 304.5 SCALE:
FOREBAY VOLUME 15~ NOTES; NTS
DRAWN
OUTLET PIPE INVERT IN 15" RCP 297.5 - Level a reader is deai ned to die eras small volumes of concentrated flow across stable slo s. P 9 P Pe WEC
OUTLET PIPE INVERT OUT 15" RCP 297.0
7ue e~einr~NUnfeyn\w.~~...t.'\
8HT047szq;WATMd"
LEVEL SPREADER
SHEET NUMBER
4¦

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1 ~ A A
' ` . \ o ' ~ REBAR 12'
.c. Eual wAr ~ \ 1 2 PREF0~0 JOArT ~ . for s ~o aaE ovaaua
~ 12 wA>E nma ~ ' o~? ~ a~ ~ sue. ~ ~ nimua ~ea xaa w P tT f0 iNi L~INg11®
~ P s* ans~t r ass ar i dRiBt F eft ~
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o~aam ~o m nc is? ar ( ~ R ~ wt Mono nE ~aat iMIBED iD 11E 1D ~
i i~ a sunan wis M[ pnlpo ~ ~ ~ n snare e:ua m mr a lane SI/11711 MID NE ATAIp® IY 91MP! ~UFD W 10P d'I®t
1
I ~ ~ ~ ELEVATION SECTION
, ~ ~ i t 4, sn~ti ? MaE ae t ~
2000 PSF IAN. H ~ ~cnoN A-A eEARmra cAPAan SEE BMP SECnON FOR SIZING DATA
~ BENEATN ca1AR
t TYPICAL ANTI-SEEP COLLAR -BMP CA TYPICAL TRASH RACK -BMP CA 0
~ NTS
/ \ •4•,
/ ti. t `1,111111 \
1 ~ ~ Y
, •
' ,,i
~ 4'x4' PRECAST BOX Q -J 9~
~ R',, PEAK FLOW ATIENUAIK7N =0~' 2 =
TOP OF SiRUCitAiE ELEVATION ~ 310.5
\ N01E ~ N...N~~•,.•
\ AT J' FROI1 BASE ~ Q ~AM,Cn1+'~~,,,
\ s~ \ y c;trour EACN sATE
\ 2' ORFiCE FOR DRANDOMN
\ NORIU~ Pop. ELEVAl10N -308.5
\ w ~
cASKEr c~DASr ~ MANrro ~ ~ ~ 4' NRS GATE VALVE 0.1
15• aASS ¦ I¢cP
4' CAP LEAY£ END OF CATE N
BASAr BOTTOM ELEVAIK>N ~ 305.0 VAL4E
\ \ \ \ \ \ \ \ \ \i \ ~\i\\ \ PAYED INVERT 0~
i\ ,a xi
/ '~4~ , Ua ~
W
\/i N 00
t ~
\ ~ ~ ~ n
t RISER & DRAWDOWN DEVICE DETAIL -FOR BMP CA V O
1 N15
\ ~,a N
\ ~ '"a,.. z ~
a ~
VENT
SCREEN ACCESSIBLE THROUGH ~ Q
DOOR 0] ~ A
z ~ . 30' NOTE: O UQ ~z
SKIMMER MAY VARY ~ T Y FROM - SLIGH L BMP CA WET POND
, ILLUSTRATION Skimmer to Use: Skimmer w/ 1 head
x er w 1' head v O J v. ft. Z
Volume to be Drained = 38,438 cu. ft. Draw Down Time = 108 hours
FLOAT Or~ce Area = 1.90 sq. in. ~ ~
Orifice Diameter = 3.0 inches
W~
OUTLET END; CONNECTION TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN W
SHOWN
TOP OF DAM EL. 311.5 NOT INCLUDED WITH SKIMMER M--~ ~ U
WATER LEVEL DURING STORM SUPPLIED BY USER ~p Q
_ _ 100 YR. EL= 310.52 FLEXIBLE JOINT Z~
_ I_~_ w ~
KIMM R DETAIL -BMP CA BMP S E W~ ~
PEAK FLOW _ - - - ~
- - ATTENUATION POOL _ _ T- MINIMUM SLOPE 3:1 w~ ~ W
_ ~ MINIMUM SLOPE 2:1 _ I ~
- ARTH DAM - Aw °oQZ
TEMPORARY SKIMMER ' ` W o
- LEVEL SPREADER CALCULATIONS ~ Q W©
U Q a Q o
DA: 9.78 AC ~ ~ a~ w
ANTI-FLOATATION DEVICE - C: 0.90 I: 7.22 IN/HR P~ ~ a
Q: 63.6 CFS
- ROUTED: 2.4 CFS W J Q3
~ ~ W
43.16 LF 15" RCP OUTLET PIPE LEVEL SPREADER LENGTH z w
® 3.13 ESTABLISHED VEGETATION w
13 LF/CFS ' 2.4 CFS ~ 31.2 LF LEVEL SPREADER USE 35 LF Q Y~
J
ao
NOTE: THE WET POND SHALL BE UTILIZED AS A ao
SEDIMENT CONTROL DEVICE DURING ROADWAY
AND UTILITY CONSTRUCTION. REVISIONS
ONCE SITE HAS BEEN STABILIZED AND GRADING
IS COMPLETED THE BASIN SHALL BE CLEANED N0. DATE DESCRIP110N
OUT AND STABILIZED. Q~ 24 pM! ! OUi1ER ~r ~ QIiIER (J,000 P9 IMN C01rI1E991F SIAENOM)
~AOE~Illgnl NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ~'0W ~OII snwc ~ TORE 4 -e ~ s~arE a oow?e~ soe
ONCE SITE IS STABILIZED. ~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 311.5 s-°~
167 ~ S70NE - 4~) C61~AC1ED SUBORIO[ PflW 6EOfEX16.E DATE 07/31/07
1-YEAR STORM ORIFICE 2" CIRCULAR 308.5
EMERGENCY SPILLWAY 20' WEIR 311.5 SCALE:
FOREBAY VOLUME 15~ NOTES: NTS
DRAWN
OUTLET PIPE INVERT IN 15" RCP 304.5 -Level spreader is designed to d(aperee small volumes of concentrated flow across stable elopes. WEC
OUTLET PIPE INVERT OUT 15" RCP 303.0 JOB nc vuncw~YWcooet\canm«aa\
SHT04-STOR11WA7Mdwq
LEVEL SPREADER SHEET NUMBER
4¦

\ ~ \ ~
~ \ \ \ A ~
~ \
\ p REBAR 12 0 \ a~ EACN wAr ~ 2' F'REFDRMED ,~awr
\ 12' WIDE ~ . ~ ~ aar a~¦¦~m f A 10 iY[ IAINpY®
~ ~ \ nimuir i e~e iaa rx RJR ~ IA71~ 119' f~~
~ PUw wEly ¦i ~ n~) our aw N¦ ss mP s ' \ ~ \ ~ ilU' aBl MBI AE 7~ B
~ ~ ~ \ ,voam Ip{}~
\ ~ \ ~e~~ iuaot ~ u as a~~alm ~
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II r ass ~ac,aaa~o !P SIIIIIJ ~1®m mP
a ~aee
~ \ • " aEUAnoN sECnoN
\ a
\
~ ® ~ zooo ~ ~ SEE BMP SEC110N FOR SIZING a4TA - eEARS?G GPACRY
~ ~ ~rH couAR ~ / TYPICAL ANTI-SEEP COLLAR -BMP CB TYPICAL TRASH RACK -BMP CB
~
\
" w•
\ d~pnln
J~~
\ \ ~
~O 4 ~~9`59,,:
~ \ 4'~• FrrECASr eox :off
\ PEAK FLOW AITENIlATION
\ TOP OF S1RUCIURE ELEVAIKJN ~ 30.I.3 ~ \ J~ \ NOTEi A__A
\ J~ PUCE STEM SUPPORTS ~ \ \ v / AT r FROM BASE
~ cROUr EAa+ sDE I ; \ 2 oR~?cE ~ DRANDONN
t i NORMAL POOL ELEVADON ~ J01.5 ! ~ \ 6~J I
~ ~ \ T SEALED M11H A-LOCI( NEOFRaE
I ~ did OASKET CAST IN MANNp.E WALL
i 4 NRS GALE VALVE u~ i
1 ~ ~ g
~i~ / 15' CLASS N RCP I , / 4• CAp LEAVE END OF GALE N
~ 8ASM1 BOTIOM ELEVAIKMU ~ 298,0 VALVE OPEN.
r ~ ~ ~
~ ~ ~ ~ ~ ~ ~ ~ ~ \~i\\ r\~ • ~i ~ PAVED INVERT ~,~t; GROUT e .a , x
a
U~ w
N
\ n
\ ~ ~
A S
RI ER & DRAWDDWN DEVICE DETAIL -FOR BMP CB S O t`
~ t`

z ~ a ~
~ a
- VENT SCREEN ACCESSIBLE THROUGH
DOOR 0] 3 A
z SGLE ~ ¦ NOTE:
O ~ SKIMMER MAY VARY U~ ~Z
y SLIGHTLY FROM BMP CB -WET POND
x ILLUSTRATION Skimmer to Use: 3" Skimmer w 1' head eDr w 1' head v O
Volume to be Drained = 38,438 cu. ft. 'u. ft. Z
Draw Down Time = 108 hours
FLOAT Orifice Area = 1.90 sq. in. ~ ¦
Orifice Diameter = 3.0 inches W~
OUTLET END; CONNECTION W
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN
N
TOP OF DAM EL. 304.5 NOT INCLUDED WITH SKIMMER WATER LEVEL DURING STORM SUPPLIED BY USER ~ J U~
100 YR. EL= 303.52 ~ Q ~ ~
I~ I I FLEXIBLE JOINT w ~ Z~
W~ ~ ~v
TTf- BMP SKIMMER DETAIL -BMP CB _ PEAK FLOW _
ATTENUATION POOL ~ w~ ~ Wn
r i MINIMUM SLOPE 3:1 ~ - ~ ~N
_ T' ~ MINIMUM SLOPE 2:1 ~ O ci
I_i,. - ARTH DAM _ I Aw voQZ
TEMPORARY SKIMMER _ ` ' ~ ~ ` ~
- 'T( o N
~ LEVEL SPREADER CALCULATIONS ~ a~o~
DA: 10.84 AC V~ oaQ° ~~oW
ANTI-FLOATATION DEVICE C: 0.90 _ _ 1: 7.221N/HR
Q: 69.1 CFS x ~Q 0
ROUTED: 3.9 CFS w ~ 03
N ' ~ ~ ~ W
38.59 LF 15
RCP OUTLET PIPE LEVEL SPREADER LENGTH ® 3.89 ESTABLISHED VEGETATION z W
LEVEL SPREADER 13 LF/CFS • 3.9 CFS ~ 50.7 LF w
USE 55 LF Q Y~ J
NOTE: THE WET POND SHALL BE UTILIZED AS A ao
SEDIMENT CONTROL DEVICE DURING ROADWAY
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED N0. DATE DESCRIPTION
OUT AND STABILIZED. 24• CINIB !CUTTER p~ TOP a WT1Ek
(3.000 P9 1011 COMPRE59NE SIAENOIH) (Fl,/~
9PREADER~L9p H
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ~0N' snn,C ~~pp~ uP Etar~naR. TORE 4 -e NAHER E10811R0 SLOPE OR DOYMSTREIY SOE
ONCE SITE IS STABILIZED. ~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 304.5 sum
CgIPAC1EO SUBGRAOE A WASFIED STONE - 4.111CK ~Mfl) P~MAMEtlT GEOTE%11LE UNNOOEEiR4JJ~NEExx
1-YEAR STORM ORIFICE 2" CIRCULAR 301.5 DATE. 07/31/07
EMERGENCY SPILLWAY 20' WEIR 304.5
SCALE: NTS
FOREBAY VOLUME 15~ NOTES: DRAWN
OUTLET PIPE INVERT IN 15" RCP 297.0 -Level aproader is designed to disperse small volumes of concentrated flow across stable slopes. WEC
OUTLET PIPE INVERT OUT 15" RCP 295.5 JOB
...r ,,.e,.,,,.u.,.,~.e,,,---_.~,
irrc rMnnnIVrvwMc\%OUFU"IWI~ \ SMT04-M MwAMd"
LEVEL SPREADER
SHEET NUMBER
4¦
I

\ ~
` A A
a i
\ REBAR 11 ~ .C. EACH WAY 1 2' PREF~RMFD JOAVT o e
~ `9 t 11 WIDE PI~1~~ la? 9 to al~c oawaem ' ,y 1~!! I/! oN It611 dl 1/~' A~ nA~ ar s to aoc oawaem
~Ot ~ NS1f8 YO' t eT ~ i 905 ar Dui i~i ~ rr
' ~ 1 CQi5A111AE9 ASE ISFT e ~ PJLY 019198111E 1~ 9 E A~ IEFT WY p91 MBI AE lfp Q IOIp®:
t AIOIp®: ,•v• 1
~ CIl1091 E 019 ~IIEALIFE
\ a ~nnr ~ T A S q ~ ~ ~ I11~11® A1,11 1/U' 1~ ANE
R ~ 7~ ' ~ ~ , 19?Q ORS
\ ~ ~ ~ Sk1~59o 1. nE c,tSEa 9E1 E ?w Au ASOUO ~1lE ~W 1hE 1av aF ,11E C111~71 M141 E fRLY 11E ~W IIE lflP fF'
~t ~ L ~ ~ 2 .WlIe11 /ILLS AR Ai9f51 S~PPpPI /Ills NE ATGOm Lf fl11MS ~1lD 10 lr>P
1 a~ a 1~
~ ` I ELEVATION SECTION
~ x 1 I I x l t ANSIE a0
~ 2oDO PsF
~ , eEA~NC GIPAg1Y SEE BMP SECTION FOR SIZING DATA SEC110N A-A ~1 BEhfA1N COLLAR
~ 1•''•. ~ TYPICAL ANTI-SEEP COLLAR -BMP CC _
~ TYPICAL TR4SH RACK BMP CC ~ ~ ~ ,
~ . t ~ Nis ~ ~ ~
1 ~ ~
~ ~ ~ ~ ~ ~ ,,~Umn
~ ~
1 ~ ~ \ ~q 4 S
~ 1 4 -Jf~ ,
~ ~ 4k4' PRECAST BOx .O, 2
~ ~ ~ PEAK FLOW A1IENUAIION lOP OF S1Rl1C1URE ELEVATION ~ 30e.6
NOIEi ~A
PLACE S1EM SUPPORTS ~ \ AT 3' FROM BASE Q `1 ~~~~a~M~,~~p~~~~
/ ~ ~ 'nnnnl~'
~ CROUT EACH SIDE / 2' OR~iCE FOR DRAMOONN
~ NORMAL P001 ELEYAl10N ~ 304.6 Q:~ t
t ~ CASKET CAST pV MANHOLE NALL
t 4' NRS CAIE VALVE >n
15 CLASS dl RCP g
4• ~p LEAVE END OF GAZE N
4' BA5T11 BOLTON ELEVAnON s 301.0 VALVE OPEN. ~ f
~ / / / 0~
~ \ \ \ \ \ \ \ \ ~\i~\ ~\i\\ \ PAVED INVERT x
a
~ A ~ ~ ~ ~ r. ~ U~ w
/ ~ ~ /i N
1 ~ ~ ~
t ~ ~ t RISER & DRAWDOWN DEVICE DETAIL -FOR BMP CC
C
~ ~
~ ~ ~ U
a z
Q
VENT SCREEN ACCESSIBLE THROUGH
DOOR 0] 3 A
Z ~ . SCALE. 1 • 30' NOTE: O
~ SKIMMER MAY VARY ~Z
y SLIGHTLY FROM BMP CC -WET POND
r~+ ILLUSTRATION Skimmer to Use: 1" Skimmer w 1' head eDr w/ 1' head V O
Volume to be Drained = 1$695 cu. ft. u. ft. Z ~ Q.
Draw Down lime = 14 hours FLOAT Orifice Area = 1.97 sq. in.
~ ¦
OrRce Diameter = 20 inches W~
OUTLET END; CONNECTION
TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN
TOP OF DAM EL. 307.5 NOT INCLUDED WITH SKIMMER rn U ~
WATER LEVEL DURING STORM SUPPLIED BY USER
_ 100 YR. EL= 306.52 0 Q
FLEXIBLE JOINT Zw U
~f ~ BMP SKIMMER DETAIL -BMP CC _ PEAK FLOW _ W
ATTENUAl10N POOL ~ W~ ~ w~
MINIMUM SLOPE 3:1 - T _I I ~ MINIMUM SLOPE 2:1 ~ ~N
.L
I - - - ARTH DAM Aw v~QZ 0
- TEMPORARY SKIMMER ' ' ~ - -f
..•y _ o ~a
~ LEVEL SPREADER CALCULATIONS
OA: 7.82 AC Va ooQ°
ANTI-FLOATATION DEVICE - - C: 0.90 - I: 7.22 IN/HR ~ ~ a~ w
Q: 50.8 CFS ~ ~Q
ROUTED: 8.7 CFS W J Q 3
~ c~ ~ W
41.08 LF 15" RCP OUTLET PIPE LEVEL SPREADER LENGTH
® 2.689L ESTABLISHED VEGETATION z w
LEVEL SPREADER 13 LF/CFS • 8.7 CFS = 113.1 LF w
USE 115 LF Q Y~ J
NOTE: THE WET POND SHALL BE UTILIZED AS A 00
SEDIMENT CONTROL DEVICE DURING ROADWAY
AND UTILITY CONSTRUCTION.
ONCE SITE HAS BEEN STABILIZED AND GRADING REVISIONS
IS COMPLETED THE BASIN SHALL BE CLEANED N0. DATE DESCRIPTION
OUT AND STABILIZED.
(aaoo va w11 oowv~ss~ sme°UnaTM) s ~ my av ama
NOTE: THE TEMPORARY SKIMMER SHALL BE REMOVED ~0W rROM sTRUC ~A~+• TORE 4 -e ~i9o save ox o091515r.AU s,oe
ONCE SITE IS STABILIZED. ~J
DIMENSIONS ELEV.
TOP OF DAM WIDTH 10' 307.5 r-°' AC1ED sueoame
COAPACIED SUOGRADE PERIIAT f 07EXT4e4U1aERlJNER~I
1-YEAR STORM ORIFICE 2" CIRCULAR 304.5 DATE -II,II 07/31 /07
EMERGENCY SPILLWAY 16' WEIR 307.5
SCALE: NTS
FOREBAY VOLUME 15% NOTES: DRAWN
OUTLET PIPE INVERT IN 15" RCP 300.5 -Level spreader is designed to diaperoe small volumes of concentrated flow across stable slopes. WEC
OUTLET PIPE INVERT OUT 15" RCP 299.4
me rnmteAiVqwmmcNwmmRaa-,
LEVEL SPREADER SHT04-SI WAIMA"
SHEET NUMBER
484

( ~ \ ~ ' f I l o
~ 1 1 /
0 i / / 1 ~ ~
~ ~ ~ ~ ~ 1
~ / ~ ~ ~ ~
PIPE APRON DIMENSIONS RIP RAP STONE ~ ~ AT OUTLET VELOCITY ~ I
1 ~ NUMBER V10 OUTLET WIDTH WIDTH LENGTH DEPTH TYPE 51ZE, d50 ~
> ~ ` ~ ~ ~
CULVERT 1 12.9 36" RCP 4'-0" 9'-0" 24'-0" 24" CLASS 1 13" ~ ~ ( ~ t
10.2 36" RCP 4'-0" 9'-0" 24'-0" 24" CLASS 1 13" ~ ~ ~ ~ ~ CULVERT 2 " ~ " ~ " " " ~ ~
9.4 36 RCP 4 -0 9'-0" 24 -0 24 CLASS 1 13 ~ ~ ~ r CULVERT 3 ~ ~ 0 ~
„ ~ t ~ ~ ° ,L~ ~
~ °t NOTE: Provide fabnc t•Ilter underlines s ecified as Mirafi 140N or a roved a ual ° ~ ~ s ~ ; ~
Calculation provided in accordance with NCDENR Manual 8.06.5 a ~ ~ ~ ` i ~ ~ ~ a
4 ~
i~ ~ ~ t 5 ~a~ g 1~~~..:.. s „ , . ,
Q
, ~ ; ° N ~ t ~ ~ 1 ~ . N T ~ ~ °,«w...,,°
~ ~ ~ ~ 1
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' ~ p
~ ~ ~
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~ ~ ~ r ~ ~
GENERAL NOTES S ~ ~ ~ ~ P/ ~ ~ ~ ~ .
p 2 ~ ~ . ~ 3
1 ALL LAND DISTURBING ACTIVITIES SHALL BE CONDUCTED IN ACCORDANCE WITH GRANV1lLE COUNTY ~ SOIL EROSION AND SEDIMENTATION CONTROL STANDARDS AND PRACTICES. ~
)
T SHA BE RESPONSIBLE FOR MAINTAINING ALL TEMPORARY SEDIMENTATION ~ ~ (2) THE CONTRAC OR LL ~ ~ AND EROSION CONTROL DEVICES SHOWN ON THE APPROVED PLAN. .„,..w„ ~
t ~ ~
TRU T10N SHALL BE STABILIZED VWTH TEMPORARY SEEDING ~ ~ ~ r (3) ALL AREAS DISTURBED DURING CONS C AND MULCHING WITHIN 15 WORKING DAYS FOLLOWING COMPLE110N OF GRADING. PERMANENT ~ a,~ ,
\ SEEDING, MULCHING AND GROUND COVER SHALL BE APPLIED TO THE SITE FOLLOWING ~ • ,
MP TI CONSTRUCTION. ~ ~ ~ CO LE ON OF ~
/g 4 .y, t ~ R 1 ~ ~ (4) SLOPES SHALL BE NO STEEPER 1HAN 2:1, PREFERABLY FLATTER, FOR VEGETATIVE COVER. ~ ~ ~ d ~
s ~ ~ , ~ 4 ~ ~ ~ ` ~ i
5 THE CONTRACTOR SHALL FAITHFULLY MAINTAIN ALL SEDIMENTATION CONTROL DEVICES AND TAKE ~ ~ ANY PRECAUTIONARY MEASURES TO ENSURE THAT SILT DOES NOT ENTER ANY NATURAL STREAM ~ /
CHANNEL LOCATED WITHIN THE SITE. DRAINAGE CHANNELS MUST BE CLEAN OF SEDIMENT AND i ~ 1
STABILIZED BEFORE 1HE PROJECT IS REIEA~D BY giANVII.LE COUNTY. ~ / ~ ~ I , ~ N o
! \ If 6 TEMPORARY SILT FENCE MAY BE REQUIRED TO BE INSTALlEO IN AREAS WHERE SEDIMENT BASINS \ / ~ ~ ~ , ~ -
HAVE BEEN REMOVED, GRADED, AND SEEDED. THE SILT FENCE SHALL REMAIN IN PLACE UNTIL , P ~
q~ASS IS ESTABLISHED. ti ~ ~ ~
~ E I 7 THERE ARE NO DESIGNATED AREAS FOR BORROW OR WASTE ON THIS PLAN. EXCESS TOPSOIL OR ~ ( ~ I+ ~ E ~ ~ ~ ~ ~ ~ 1 ~ ~ x ~ a w
HA OFF-SITE. NO BORROW WASTE OR O1HER GRADING ~ °h ~ ~ OTHER WASTE MATERIAL SHALL BE DIED ~ ACTIVITY SHALL OCCUR OUTSIDE THE DESIGNATED LIMIT'S OF CONSTRUCTION. ~ ~ , ~ \ ~ ,
~;a , ~ c
B THERE SHALL BE NO FlWNG OR THE ERECTION OF PERMANENT ~ \ ~ ()FLOOD HAZARD REGULATIONS. ~ , ,y ~ ~ ~ j ~ W
STRUCTURES IN THE AREAS OF GRANVILLE COUNTY FLOOD HAZARD SOUS OR FEDERMAL EMERGENCY °°e, " A, •ti r \ MANAGEMENT AGENCY (FEMA) 100 YEAR FLOOD ZONES UNTIL A FLOOD STUDY IS APPROVED BY ~ ~ ~ * ~ ~ ~a ~r . ~ s s ~ ~~i H o0 T
1 d GRANVILLE COUNTY AND/OR FEMA. BEFORE ACQUIRING A BUILDING PERMIT FOR LOTS (OR OPEN SPACE) ~ ~ ~ ~ , t E ~i 4 ~ ~ ~ ~a.,.,,.„y ~ / ~ ~ 0) ~ ~ / ~ r^
MARKED BY AN ASTERISK THE BUILDER MAY NEED TO OBTAIN A FLOOD HAZARD AREA USE ( ~ /s ~ / I ~ ~ v
PERMIT FROM GRANVILLE COUNTY ENVIRONMENTAL SERVICES. THE BUILDER'S ENgNEER, ARCHITECT ~ ~ ' ~ ~ ~ , Y R A APPROPRIATE MUST CERTIFY THAT ALL FLOOD HAZARD RE IREMENTS ARE MET. AND/OR SURVE 0 (S ) QU ~ ~ , ~ ~ ; ; i J III
t s ~ a ~ ~ s~~ ~ 1 ~ ~ ~ i ~ 1 ~ ~ ~ ~ ~ N
~ E ~ e E ! 1 t 1 r ~ ~ ~ ~ ( ~ ~ ~
'a e~ ~ ~ ; 1 i ~ ~ 1, f i~ t ~ r ~ ~
~ ~ 1 t CONSTRUCTION SEQUENCE CONSTRUCTION NARRATIVE , - _ ~ , I ~ ~ ~ ~ , ' ~1 ~ ~ ~ ~ ~ ~ ~ ~ s ~ 0 ~ i ~ t ~ Q J
THIS 28.24-ACRE SITE IS LOCATED ALONG THE SOUTHWEST SIDE ~ ~ I [ i 2 ~ f 1 y ~ ~ ~ ~ , WATER 1 . ~ , ~ : t ~ ~l ~ ' , < ` ~ ~ ~ ~ O
1. Obtain eland-disturbing permit. Schedule a preconstruction conference with the Environmental OF NC HWY 56 IN SOUTHERN GRANVILLE COUNTY IN THE TOWN ~ En lneer, Dave Parnell, of 858-8195. ~ ~ ; ? ~ ~ ~ i', ti 1, ~ ~ i ~ ` \ ! ~
9 OF CREEDMOOR S JURISDIC110N. THIS PROJECT WILL CONSIST OF ~ ~ ~ A COMMERGAL DEVELOPMENT ON 1HE NORTH AND SOUTH SIDE I ( ~ ~ a t, ~ " Y 3~ ~ ~ ~ Uw
2. install gravel construction pad, temporary diversions, silt fence, sediment basins or other measures e w ~ i J ~ as shown on the a roved ion. Clear onl os necessa to install these devices Seed tern ores OF THE PROPOSED ROADWAY. ~ ~ + I `a a ~ ~
PP P Y rY P Y ~ 1 ~ ; ~ I h diversions, berms and basins Immediately after construction. RUNOFF FROM THIS SITE IS TRIBUTARY TO AN UNNAMED ~ ° ~ ~ v ' _ ~ I ~.1 ~ ~ ~ J 1 3
TARY IN THE NEUSE RIVER BASIN. ~ ~ ' ' ' ~ ~ ~ o
3. Coll 856-7549 for an onsite inspection by the Environmental Engineer to obtain a Certificate of TRIBU ~ } ' I t` . ~ ~ { ~ Corn Ilance. ' ' ~ I i-~'~ P P ~ 1
SEDIMENT RUNOFF IS TO BE CONTROLLED BY THE USE OF CUSTOM BASINS TEMPORARY DIVERSION SILT FENCE AND ' ` ~ ~ ~ ~ J
4. Begin clearing and grubbing. Maintain devices os needed. Rough grade site. ~ ~ \ r 'C, OTHER MEASURES AS SHOWN ON THIS PLAN. ° q ~ - ~ ~ ~ ~ ~ ~ ~ W
5. Install storm sewer, if shown, and protect inlets with block and gravel inlet controls, sediment 0,
trope or other approved measures as shown on the plan. Begin construction, building, etc. TOTAL DENUDED AREA FOR THIS PROJECT IS APPROXIMATELY ~ ~ N• ~ 22.B ACRES. ~ (1`I f ~,:r
1 } 6. Stabilize site as arena are brought up to finish grade with vegetation, paving, ditch Ifiinga, etc. ~ LAIN ON THIS PROPERTY IS SHOWN PER FEMA ~ ~ • i 1 WATER ~ ( tt1 ~ ~ 0
Seed and mulch denuded areas within flReen (15) days of completion of any phase of FEMA OODP A construction. FlRM/ 3720088600J, DATED MAY 2, 2008. ` SWALE ~ ' j ~
/ t ~ ~ ° ~ ~ ~ ~ ~ H ~ U ~p j t I J
7. When construction is cam late and all areas aro stabilized completely, colt 858-7549 for on Environmental En !Weer. in~ectlon by the g ~ , ~ ~ ~ ~ ~
8. If site is approved, remove temporary dlveraions, sNt fence, custom basins, etc., and seed out or ~ µ • }
stabpl:e any resulting bare areas All remaining permanent erosion control devices, such as ~ velocity dlssipators, should now be installed. ~
_ ~ f ~ ~ ! ~ W W ago ~ w ~ ~ n
9. When etotlon has become established call for a fJnol site ins tlon b the Environmental ~ ~ / ~ ~ ?b9 P~ Y ~ Engineer, Byron Brady, at 858-8195. Obtain a Certificate of Completion. - - PERMANI~iT"WATEf~ t ~ ~ ~ ~ ~ ~ ~ N
~ r ~ ~ ~ ~ ~ ` Qw U~Qz
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Len th 410 Q25 Size Upstream Invert Downstream Inv. Sloe Rim Node ft cfs cis Elevation ft Elevation ft ft ft Elevation ft ~ 1 m r ~ t? L< vs a
~ ` v,
CULVERT #1 73 61 69 36" 296.00 295.00 0.0137 318.80 ~ o
CULVERT #2 73 61 69 36" 296.00 295.00 0.0137 302.50 ~ ~ 5 1 i ~ f ~ ~ W
CULVERT 3 77 61 69 36" 296.00 295.00 0.013b ~ ~ # t " ~ l ~
CULVERT 115 12.3 14.0 18 309.50 307.30 0.0191 ( ' ~ r ~ ' z
CULVERT 7 107 4.7 5.3 18 301.90 301.30 0.0054 ~ ~ l ~
i10=7.22; i25=8.19; all i e is Class III RCP unless otherwise noted ~ ~ ~ P P ) , , f ~ ~ ~ Q Y~
_ ~ ~ 1 ~ ~ - class IV RCP Q
~ ~ ~ ~ ~ ~ t I ~ t . ~ ~ ~ ao
~ ~ ~ ~
~ ~ ~ ~ /
a } , ~ ~ ~ I a i ~ :1 ~ ,d
~ ~ ~ ~ ~ ' ~ ~ 1 l , ~ ~ REVISIONS
V F Drainage ~ ~ ~ ~ ~ ~ _ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ N0. DATE DESCRIPTION
Corresponding Area Q(10) Length ~ !b >N, • N f b ~
Basin (ac) C Value (cfs) (ft) / `If ,y+~ ~ ~ . f
BMP A 1.98 0.9 9.8 130 J ~ ~ R ~ ~
i 1 ~t~q BMP B 0.72 0.9 4.7 85 ~ ~ ~ ~ e ~ R ~F R ~ ~ ~ R ! r ~ ~
~F ~ 110 FOR THIS AREA =7.22 r ~ ~ ~ ~
R f3LF/cFS FoR CRASS (aAx~axf Larcrn=~3o ~ 1 R . ~ ~ ~ a Q i
FOR COLIIIERCIAL BASIN IEVEi. SPREADER TABLE, SEE NIPACT SHEET 1 ( ~ ' ~
/
~
~ o z~ ` a . 1 ~ , ~ e ~ ~ , ~ ,
. ,r ~,J ~ ~ ~ ~ ~ ~ j ~ f ~ ~ . ~ ~ ATE ? 1 1 t ~
I t .1 ~ / d ~ f J d i .
Sediment ~ w~. ' ~ r ~ ° r Drainage Denuded Volume Volume Basin Basin Storo a Weir Sur. Area Sur. Area ~t~~ . ~ ' ~ ~ I
SF SILT FENCE gg Q(10) C Value ~ ~ ~ ~ ~ ~ ,,M~O Area Aroa Required provided Len th Width De th Len Requirod Provided ~ ~ t f ~ ,b? ~ `w~ ~ s l~ ~ ~ ~ ~J~~ ~ 1 ~ ~ ~ ~ ~ ~ r „,.-^"'..".,w,......-^°'.,..-M.?' ~.,,M~~~~m ~ M=~ W~
• + • ~ ~ TEMPORARY DIVERSION Basin Type (ac) (ac) (cu. ft.) (cu. ft.) (ft (ft) (ft) (ft.) (~a) (aq. ft.) (aq. ft.) ~ ~ ~ { ~ I 1
i d~row ea~?+ 0.91 0.82 3278 5287 90 30 3.5 10 5.9 0.9 2578 2700 J ~ 1 ~ ~ ~ ..r #
nurnv n~u ii11D a CUSIaY 9ASM 0.99 0.89 3564 5727 93 31 3.5 10 8.4 0.9 2802 2883 ~ 1 f ~ r•~~..__.. I I i I d ~ ~ /I\ / s ~J f ~ ,r°~,,~ ^....r.~ ~ t P . ~ `a ~ l'! . ~ nd,rn ~h~n.#n ~nuM\otin..t
ty vncvn vnm V #3 CUSTOM SAM 0.40 0.38 1440 1893 60 20 3.5 10 2.6 0.9 1132 1200 I I r 1#Sr%f G'"~ l 1®/I/f # ! A\ 19 f ! ! 1 ! 1 1 f let Submittd\SHT05-Dralnagw.dwq
GRAVEL CONSTRUCTION BMP 8 CUSTOM SAM 0.32 0.28 1152 1499 54 18 3.5 10 2.1 0.9 908 972
ENTRANCE BMP CA CUSTOM eAsw 9.78 9.78 35208 36957 210 70 3.5 20 28 0.4 12303 14700 SHEET NUMBER
loo 0 00 100 2W 4W
FILTER BASIN w /WEIR BMP CB CUSTOM Bin 10.6 10.6 36818 36957 210 70 3.5 20 31 0.4 13385 14700 BMP CC CUSTOM am 7.80 7.80 26080 27320 183 61 3.5 15 14.2 0.4 9812 11683
¦
ENERGY DISSIPATOR 1 inch = 100 ft.