SWA000222_Stormwater Report_20240926

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/ \ I I / / I / / / / J EXISTING
•/ \ I / / / / / / / / I
/ / / / / , I I I REFER TO C2.0 FOR EXISTING FEATURES LEGEND
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/ '�_''� Fi / / I ® MAJOR CONTOUR
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I �� ' i�`Af/liR t� 7 S mil' / I I ( MIAMISBURG,OH 46342
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\ ® \ I\ \ II FG=XXX.XXI\ FINISHED GRADE ELEVATION
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_ _ \ CODED NOTES:
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1. 6"DOWNSPOUT CONNECTION.
I \ I® '�\®m T318.44 0 i i r Fc3+5�i41� ■ \ \ \ �� \���\
I I `k., IFG=345.94 Tc�4B.71 i i '/" \ ti \\ \\\ \\\\\ 2. CONTRACTOR TO ENSURE POSITIVE DRAINAGE.
? \ /� FGWIBRI TC=318.36 \\
\ Q:.57 •L 6\ 68'-12'STM®1.OG%� / / FG=945.B5 ✓ 1\ \ \ \ \ \ \\I \
\ ✓ - / ✓ l` \ _44 \ /»J \ 3. PROVIDE A SWALE SO OFFSITE STORMWATER IS NOT ROUTED THROUGH
1 \ , TC=347.07�\ / TC=347.58 h/ / ', d g/ 1 -\ ` \ \ �/--�/ \ / PROPERTY.STORMWATER MANAGEMENT AREA ON THE POPOEYES
FG-348.57 ✓ _ - FG•347.08 A 1C=347A2 ^� ) /
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\\ _3fj / / TC=347.41.019
FG=347: "^i/ I LLL)'`✓�/�_ i I%/j//%/_% \\\\\\ \ --'
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\ \ / ?_ ._ FG347.70 ®\ I � 5 / / _�)1 \\ \ \ \ \ 'y^,\\ I� ® � ® TC�48.01
\ \ \ /C= C, .348.251 k�Fy7.j .. • \ ® 3�_ J/ l \ \ \\� �, FG=347.51
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0- 0\O ' IFG=347.75 \ T0v747.58 •'1fj, •l -3478� -� \\ I I /� Z
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\ \v FG=347.56 TC-91a22 » �I �/ J//1 r. 340� Revisions/SubmIesI0n8
FG•347.72 TC•3/7.92
N FGJ47.42 l_ 2 OUTLET CONTROL STRUCTUR 339.30 5.00 8"NW ID Description
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T\(X14956 REFER TO ENLARGED-/ �3yB \ a x� \ "T` I L 35.00(24ry SE Plnn Date
C) IFG=119.0/ r�PLAN ON THIS SHEET \ \ \ I - I I ICI 1 REVISION 2023/10102
0 =)\\ I Y ( ) 2 REVISION 2 2023110/13
TC=918.24 , 948.49
3 ENDWALL 340.10 339.00 12"SW
N 7C•3/9.13 \ FGS47.74 e I L 339.87 4 REVISION 023Hi127
\ \ \ _ - FG=340= ' r34e.4e / / \ 1 4 CATCH BASIN 345.66 339.55(12'W
\ ®TC=349.87 .®. - Z Z F(i347.98 \ / (2")SE
E w `ZU _ FG-49.v m A � / A 339.55(12")NE
5 REVISION5 2024/01/30
\\\ 343.06(12")SE
` \ - sa m \ 4r •� \ J / RhY �C RN/ Fc=sM4e.1az 9�\►\ O\ \ _ ,I RM, _ 5 CATCH BASIN 3/5.55 340.55(12�S
\ \ O• \ \ N 8 5'OB'00 W�0.00'(M) \ 918.21 `947 ® \ \ \ 340.55(12')E
II-� r Q �sM�I 6 CATCH BASIN 347.55 343.06(12�N
N um STM 3,Tj` 75"RCP FL:351.1' TM /5'RCP FL:350.5' �I GI i S \ \ 1348.41 \
\ \ J\ 1"`---"'-iM �arM srM \ \ srM I'51 7 CATCH BASIN 348.97 343.82(12")NW
A" \${yam \ \ 5T' STM [-
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l siM I s7M oar G11 8 CATCH BASIN 345.45 340.45(12�NW
�+ N \ \ 349.35 \ 20 0 20 40
d \ \ ! \ _ 348.321 \ ` SBMk3 - - MINN
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m \ \\- \ \ \��-L00-�_LOp _� � ` _ GRAPHIC SCALE(IN FEET) 343.21(8")E Project Number: 762181
E - _ _ \ \ 1 in.=208. Scale: 1"=20'
o ^ \\ \ \ \ \ \ 348.21 \ \ 3aa,e Is4z93 \ \3,g Drawn By: PCW
Z �- _ - __ _ _ \ \ \ \ �� BENCHMARKS Checked By: BAP
° - \ \ ' O• \ \ \ ELEVATION* DESCRIPTION
re Date: 05/15/23
\ \ -�'''�� - '---�- _ \...... \ \ \ SBM Ai 348.73' CUT CHISELED')("IN CONCRETE Issue: NOT FOR CONSTRUCTION
SBM#2 351.20' SET"REBAR Drawing Title:
- NC 24-87 \ - - \ \ - _
I SEVENTY-TWO(72)HOURS
\ \ VARIABLE WIDTH PUBLIC RIGHT-OF-WAY \ \ SBM#3 343.83' CUT CHISELED IN CONCRETE GRADING PLAN
v \ BEFORE DIGGING IS TO
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I 'VERTICAL DATUM:NAVD88 COMMENCE,THE CONTRACTORS
\ \ (AS SHOWN PER PLAT BK 2012,PG 150) \ \ SHALL NOTIFY THE FOLLOWING
a \ I - AGENCIES:NORTH ION SE VI\ \ VARIABLE WIDTH ASPHALT PAVEMENT ununES PRorecriorl SERVICE
o - _ _ - '• AT 811 OR 800-632-4949 AND ALL
2 \ _ - _ - NG THIS PROJECT AND
g r - -- - OTHER AGENCIES WHICH MIGHT
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c ` C ` / / /_ / \ L _ ARE NOINMEMBERS OF STATE /�w
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it II ` �� 'I1, CLASS B CONCRETE. Revisions/Submissions
FOREBAY SURFACE AREA ID
to to 10' SAND FILTER AREA ®-� SECTION A-A I REVISIONo1D 20231110/02
TOP OF EMERGENCY - - - PLAN VIEW
2 REVISION 2 2023/10113
SPILLWAY WEIR=339.50 ROUND =3ED TOP OF SAND .s. 3 REVISIONS 2023I11106
(SEE THIS SHEET FOR DETAIL) ROUND STONE=336.75 MEDIA=336.5 4' RIP RAP BERM D50=8",CLASS B ANTI SEEP COLLAR DETAIL 4 REVISION 4 2023/11/27
"JT( -_ts3 OBSERVATION
3 .y�Y- -II-ILL' CLEANOUTS=337 50 YR ELEV.=339.25 -- TOP=339.5 -a 15'DIA.ORIFICE NOT TO SCALE
v T F �'4 INV.=338.0
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Z ��� ������, G*� . -. • PROVIDED=2,065 CF
Y -I ":-`1.-'2i-Z "1.47`Z 4 FILL EMBANKMENTS SHALL BE FORMED OF SUITABLE MATERIAL PLACED IN
w' �� III =in Efi Iit=ifiiI=RiI;itFrlli* IIj=ff1-ill in=1=111=fJi-f f j" SUCCESSIVE LAYERS NOT TO EXCEED MORE THAN SIX
r' DUMPWIDTH OF KFO EMERGENCYENI 1I I II _/ -f lJffl TILE4=I I Ili 11 1 LF{,111 111 i i11 , rfri f-I II I I I II I mwn�• °°4 INCLUDING THE WIDTH DEPTH
24'DIA STORM SEWER PIPE 336.5 FOR THE FULL WIDTH OF THE CROSS-SECTION, THE OF THE
a - 6"PVC INV. 335 - _:� -::: R2:52:2628$185 -- S:S:S SLOPE AREA NO STUMPS,TREES,BRUSH RUBBISH OR OTHER UNSUITABLE
rn SPILLWAY WEIR CLASS B III- _III-I I-
I III= 18^ a, - SAND MEDIA,NATURAL RIVER OR BANK TOPSOIL/SOD ' - 336.25 MATERIALS OR SUBSTANCES SHALL BE PLACED IN THE EMBANKMENT.EACH
$q�li •^I I II I I i, 1-3"TURNUP Li I- SAND MATERIAL(PER ASTM C33) FOR LAWN •
TOP OF MEDIA SUCCESSIVE SIX(8)INCH LAYER SHALL BE THOROUGHLY COMPACTED BY THE
O ■ - TOP OF GRAVEL/BOTTOM OF SAND=335
'tI �' ANTI-SEEPAGE '� 38"SQ • SHEEPSFOOT TAMPING ROLLER,10-TON POWER ROLLER,PNEUMATIC-TIRED
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24"STM �� 1. 3GESD IN
INV OUT=335 '/ (=r-II ..-. ...., .. �( TIT AND THOROUGHLY
TAPED ANDSOMPACEDFS DIRECTED
ED MATERIAL,PLACED Project Number: 762181
m • II �� ' ..� 12� �. 18" SHALL
m ANTI-SEEPAGE COLLAR '�� -Ti - - - - - - i M •, AND THOROUGHLY TAMPED AND COMPACTED AS DIRECTED BY THE SCM Scale: 1"=10'
r _((((( T - 1LI ��i TOP OF DESIGN MANUAL.
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ONE
INV.=335 Checked B BAP
Z GEOTEXTILE 1E1
• BE COMPACTED TO MEET A DENSITY OF 95%STANDARD PROCTOR TEST. D y_.
BOTTOM OF GRAVEL=334 OUTFACE=334.75 / �' •
o M. Date: 05/15/23
m NOTES 12"FROM BANK FILTER FABRIC S may{. -
w6"SOLID TO B" TYPE1 GRAVEL FILTER LAYER, PLOWABLE FILL f��AI
!f-_"' 334 Issue: NOT FOR CONSTRUCTION
f 1. UNDERDRAIN PIPES SHOULD BE MINIMUM 6"PERFORATED SCHEDULE PERFORATED PVCCOURSE AGGREGATE, TOP OF CONCRETE FILTER FABRIC OR OPEN WEB TURF MAT OR NOTES:
WASHED GRAVEL Drawing Title:
9 40 PVC(PER AASHTO M278).PERFORATIONS SHOULD BE SPACED 3" PIPE TRANSITION BLOCK INV.=334 2"#8 OR#89 WASHED CHOKING STONE 1.CLASS B MATERIAL IS TO BE QUARRY STONE,FIELD STONE,OR NATURAL
(2 ON CENTER ALONG 4 LONGITUDINAL ROWS SPACED 90°APART. U PERFORATED PVC
w UNDERDRAIN*(7YP.) 0.00% STONE ONLY,BROKEN CONCRETE NOT PERMITTED. STORM WATE R
2.SAND
3 2. ALL SIDE SLOPES TO BE SODDED.
MATERIAL SHALLOF SILT,
ELEV=335 8"DIA.PERFORATED STORM SEWER PIPE @ 0.00% CLAY,LOAM,MEDIA FRIABLE OR SOLUB EET MATERIALS, RGANIC MATTERASTM C33 AND IS TO BEE EE
GRADED IN MANAGEMENT
E PROVIDE 5'SQUARE 10" ACCORDANCE WITH ANSI/ASTM C 136.
3. DRAINAGE AREA TO THE SAND FILTER FACILITY MUST BE STABILIZED THINK CONCRETE BLOCK 3.SURFACE COURSE AGGREGATE IS TO BE USED AT THE TOP COURSE OF THE DETAILS
BEFORE FILTRATION CONTROLS AND FILTER MEDIA ARE INSTALLED. OUTLET CONTROL STRUCTURE DETAIL SURFACE SAND FILTER.AGGREGATE TO FULLY COVER THE UNDERLYING
WASHED FILTER SAND TO DEPTH AS SHOWN IN THE PLANS AND DETAILS.
4. SECTION IS SCHEMATIC ELEVATIONS FOR FOREBAY SAND FILTER DETAIL NOT TO SCALE SURFACE COURSE AGGREGATE SHALL BE WASHED AND FREE OF DEBRIS,DIRT,
NOT TO SCALE SAWDUST,AND FOREIGN MATERIAL.SURFACE COURSE AGGREGATE SHALL BE _
' ROUNDED,NATURAL RIVER OR BANK AGGREGATE STONE AND NOT CRUSHED,
o
• CHIPPED OR BROKEN STONE,THE STONE IS TO BE A NATURAL COLOR,EARTH C4.2
TONES,AND UNDYED,WHILE THE SIZES RANGE FROM#1 AND#2.

Spout Springs V5 NOAA 24hrB 2-YearRainfa0--3.68' Spout Springs_VS NOAA 24-hr B 5-YearReinfall-4.67" Spout Springs_V5 NOAA 24-hrB 10-YearRainfaO 5.44'Spout d V5 - - _
Prepared by CESO,Inc Printed 9/27/2023 Prepared by CESO,Inc Printed 9/27/2023 Prepared byCESO,Inc ram _ NOAA 24-hr B 2SY Printed
9/277/202" Spout d by CESO,VS NOAA 24-hr B 50-Year tad 9/2=2023
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3801 RIGBY ROAD SUITE 300
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tyar.w4utrHydr.9r+saLink 72L:IXISTING COMBINED Link 12L:EXISTING COMBINEDMIAMISBURG,OH 45342
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Inflow Areas 1 582 ® ®I FEE!' )/ I: / . •
II6/ Inflow Area=1.562 s I e� ■r�- ;„
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rn xya,pyrgar xveroaraa, Tip-mw..1 ' Af=(WQvHdf)/I(k)(hf+dfHtf)]
Revisions/Submissions
uWzi _ I I �, / EH WQv 2065 cubic-feet ID Description Date
= A 1 ® • Inflow A rea=1.465® Top of Sand 336.50 k 1 REVISION 1 2023I10IO2
WQv Elev 338.00 ft 2 REVISION 2 2023/10/13
g ,� hf 0.75 ft 3 REVISION3 2023/11/O6
df 2.5 k 4 REVISION 2023/11/27
/ £ k 3.5 ft/day
t tf 2 days
U Af 227 square feet
I
�HlIII11111,. ' 111111111 Af 1082 square feet
Nl Flow Rate Rating Curve
g i...,
rnl p , z a 4 8 e ) 6 6 Tim.pw,;114,5,5 4 4 ,6 m z, a 33 a 0 1 2 3 4 5 6 7 e r 1.578 v A 16 isi
2, 22 23 x Q=(Af)[3.5•(hf+dO]/df
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al 13L:PROPOSED COMBINED
Sand filter surface elevation= 336.50 ft Forebay Volume
nl edr,■raq, Water Quality Volume Elevation= 338.00 ft
02023 CESO,INC.
Area of = 1082 sf Elev. Area Volume
Sand filter (ft) (soft.) (cuff.) )
12i
°/ „,:
336.5 1011 0 Scale: 1^=20 df= 2.5 ft Pro'ect Number: 762181
/ In °Mf tired=1.582-` CESO
elev. flow
6.Y
§ ;// 337.5 1544 127e Drawn By: PCW
c9 f 336.50 0.000 Put these values into the outlet 338.5 2148 1846
339.5 2835 2 92 Checked By: BAP
Z Stuctwe 05/15/23
Discharge
:.1 - / ; E _ 7,C
I _ storm Sewer Sue Hydraulic Gradient
3 0.�6 Provided 5615 cu-ft IIsssue: NOT FOR CONSTRUCTION
e E .. o c '3 •e, r e e E 336.75 0.048 Required 1377 co-ft
° e x _ ,-'_ R m d s m a = 337.00 0.053 Drawing Title:
L.
_ STORMWATER
` _ ` ° v C - _ _ ` T 337.50 0.061 ,Sand Chamber Volu
w 3 / 2 C e E _< v H. ( a 5 a _ t% E C E E E `° 3 t_ 337.25 0.057
,� A. _ o e e o st c 9 t 6 f J c� cs� = n P. .41 8
8 v e ~ ~ �'" d ' = ' f- ,28 $,° �.° 338.00 0.070 Elev. Area Volume CALCULATIONS
va Acres Acres Minutes Minutes. folkfs Inches Feel it ft 3
efc ft sec Rsec 339.00 0.088 (ft) (sq.ft.l (con.)
o , z 3 4 5 6 7 e s+6 n 1e ,a m z, zz m ar 4 3 0.95 0.06 0.06 0.70 055 I 5 7.3 1 7.10 3 91 12 30 1.83 339.55 339.00 0.013 5.23 6.43 345.66 340.11 6.11 340.39 339.64 1 Below 6.66 340.00 0.105 336.5 1203 0
nin.ln°�t 10 4 0 75 0.15 0.I 1 0.50 0U36 5 7.0 720 2-59 12 68 1.00 340.55 339.87 0.013 3.86 4.83 345.55 345 66_ 5.00 341.24 340.47 Below 492 341.00 0.123 337.5 1733 1468
Q 9 5 0.90 0.04 0.04 0.35 025 1 5 6.4 I 7.40 ! 1.82 12 76 1.01 341.32 340.55 0.013 3.88 3.52 348.02 345.55 6.70 341.89 341.24 j Below 4.94
lq338.5 2336 2035
E 6 9 0.85 012 010 0.31 021 1 5 6.2 7.50 157 12 34 102 143.06 342.71 0013 3.90 4.20 347.56 348.02 450 143,59 341,15 Below 497
c
7 6 0.57 0.19 0.11 0.19 0,11 I 5 5.0 1 7.90 1 0.85 12 76 1.00 343.82 343.06 0.013 3.85 2.53344..n 1 343.59{Below 4.90
346.97 347.56 3.15 339.5 3003 2670
A 4 0.95 0.14 0.13 014 0)1 5 5.0 7.90 I 05 12 90 1.00 340.45 339.55 0013 385 237 345,45 345 Gf> 500 340.85 340.39 Below 4.90
Provided 6172 cu-ft C4.3