HomeMy WebLinkAbout20190521 Stormwater Report LEGEND: 1" TAPER 12" of 1 1 , " Wcshed
Crashed Stone to be AL- FABRIC
ECP EDGE OF PAVEUEAfT placed on each side
. .-k_.... CON TOUR —— — _...._ _ .... -�-
f A = IA I1LET
E SPOT'GRADE � � � � -
0 a ELEV-9310'
T. 81 TUAfINU, �
v-
EXI T EWIVE Y
SHEAV `77..4D RESOURCE AREA `-r n:w 11 a-EV-97.0'
S`OF COMPACTED 1 1 .20 CRUSHED STONE
4 1A WE77AND FLAG NUMBER 'ELEY"90.5'
I�F�4IfVAE HOLES TO1 '' �]IA TAPER
FFE F7RST FLOOR ELE VA770N SECTION VIEW WEIGHT 2p MIN.
} SEWER MANHOLE L-rrEM NO. DW-JDW STAND AF D5t650#I i
C GAS MAIN SEASONAL HIGH GROUNDWATER YATION - 88.0'
-- ER MAIN DRArIv6g jjQy
1 1120 CRUSHED STOKE TO BE PLACED ON
WATER MAIN ALL SIDES OF`7'HE DRYKELL.
2) F70'ER FABRIC ro KQAP THE TOP AND SXDEWALL AREAS OF THE
(105) PROP. ,SPOT GRADE FACILITY(DRY 1ELL AND CRUSHED STONE AREA).
3) MINIMUM 2 FOOT VERnCAL SEPARA77ON SEMEN BOTTOM
D PROF. ROOF"DRAIN OF DRYWELL AND GROUNDWATER TABLE IF ENCOUNTERED)
( "HDPE 5-1Z MI 4) THE HORIZON A, &HORIZON 8 LAYER SHALL 8E
EXCAVATED AND REMOVO F`CW THE ENDRE DRAINACE FACILITY
LIMITSAREA AND REPLACED TIC CLEAN S£P7IC SAID.
ZONING INFOR�A ', 5 ACCESS UANHOLE SHALL BE PLACED WTHI 12-OF FINISH GRADE.
,ZONING DISTRICT: Rj" �
W11N ATERSHED DISTRICT c 1000 GALLON
MIN. SLOG. SEMACKS. '�- � DRY WELL
FRONT 30 FEET ..JUMBO -10
SIDE : 20 FEET ;,, +
EAR : o FEET o � fd_T. .
,
43 THISTLE ROAD
LOT AREA N I CORE
,902 S.F. PROP_ 1,000 GALLON WATERSHED P-s LOT 303 USA TAR S�f lSPECIAL PERMIT
ASSESSOR P . PARCEL#� _ N . DR WELL W1 TOWN OF NORTH AND OVER
WN RIAPP IC N T: 12" OF CRASHED STONE
LISA TORSIN-S A W SURROUNDING (SEE DETAIL) PLANNING BOARD
45 WOODSERRY LANE
NORTH A DOVER, MA 01845
DEED REFERENCE
F` PENCE
BOOK. 12791 PAGE. 224
Staked 12 DicL MvI Soxx
A
A3 2 0 + '
. fix. Wolkwoy Ex. Patio
I c + cob
Al - SS a D A TE:
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24
rw
O � APPROMMATE SEWER
S14cE
28" 28w 44 LOCATION. TOWN DOES NOT 83
x'% HAVE AN AS—BUILT OF THE SEWER
4:" lklk SERVICE LOCATIM BUT STATES
" TT TSMEAVr
Ile , O E CAUTION WHILE CTIN 84
* � LOTNQ 1NF' R1li11:
1000
WOODBERRY LAIVE
,.E
7. THE 7OPOGRAPH Y, Sl 7E DETAIL do SURFACE IMPRO W)WE 7S DEPIO M9
HEREON WERE OBTAINED FROM A PAR77AL FIELD SURVEY CONDUCTED Ohl
010p, DABRRR FEBRUARY 11, 0t BY SULUVAN ENGINEERING GROUP, LL
fM f AREA 77 A TION A 2. 7 HE LOCA 77ON OF ALL UNDERGROUND U 77LI 774CS SHOWN ARE APPROXIMA TE"
TAX MAP 38 LOT 139 AND ARE BASED UPON A PAR77AL FIELD SURVEY AND COMPILA TION OF
PLANS OF RECORD. THE DESIGN ENGINEER DOES NOT WARRANTY NOR
PROP. AMMO FOOTPRi T 357 S.F. GUARANTEE 77-IE LOCA 7TON OF ALL U77LI77C.5 DEPICTED OR NOT DEPIOTEA.
7"HE-CON AOr R. PRIOR TO COMMENCEMENT OF CONSTRU 770N, SHALL
ROOF AREA TO BE RECHARGED: 57 .F. VERIFY THE LOCA 77ON OF ALL U77LI77ES AND CONTACT DIG SAFE A T
r- 88-,,344- '23.3.
J. THIS PLANDOES NOT SHOW ANY UNRECORDED OR UNWRITTEN E'ASEMEN 7S
V1 iQ I I-1 fl f l! _ f :. � 1 � �; WHICH MA Y EXI, T_ A REASO ,4BLE BIND DILIGENT AT7EWPT HAS BEEN MA DE
THE EHT7RE LOT IS LOCATED MTFUN TO OBSERVE ANY APPARENT,, WSIBLE USES OF THE LAND, HO VER, T�IIS
7EST PIT WAS PERFORMED DOES NOT"COh1577 7'7J 7FL A LIAR 1N7E'E 7'11.4 T Iv0 S[!C!# ' SEMENTS E I5
THE NON-DIHAFDE BONE. .1l�hl D. SULLIVAN 11I, f� ., ]'!!E`ELE1A T7'CJN, DEAICTFD�lERE011� WERE BASED Cl�°O!V lV r#SSU�+dEl3 DA 7UAd.
ON 7�f �J THE LOCUS PROPER TY IS NOT LOCA 70 W 7HIN A FL 000 ZONE AS OEPIC7E'O
EX. GROSS FLOOR AREA; TEST PIT- 7H-I ON THE LA TEST F1OOD IN URAN E RA 7E MAP*
LE -S6.2'
TOTAL FINISHED AREA: 2.148 S.F. O'- " HOP. A FSL 10 YR J/3 45 WOODBERRY LAW
SOURCE: TOWN OF NORTH ANDOVER 22" HOR 6w FSL 70 YR 6/8
ASSESSOR FIELD CARD 2 0 C-4.A YER SL 25 Y 514 L L" OF LAM
o E KEEPING 0 NONE LOCATED
RV
NONE H ADO V . , MASS CHUSES
PREPAM FOR
DEED RESTRICTIONS.- EN 'HMAR CHART JCS$�l D. LISA T'C. 3L - lei W
%;
THE ONLY FERMI ER ALLOWED FOR USE ON THIS PROPERTYl L� ,S RIPT� 11J �L�4 ULL.I A .5 � C "= 2 DATE.- � , 1
SHALL 8E ORGANICOR SLOW-RELEASEIrrTROEiJ, PHDPr'�DRiJ
CIVIL REM B-Q BY
PRODUCT.FREE Flr FLOOR 7vl+l roo.oo'; R �, +, `4� ,, '�� ,1, ,, . `�
I N-ORCA I PE 77CIDE AND HERBICIDES USE IS ...-� ; GROUP, LAC
P.O. BOX 2004
THE USE OF COAL TAR-BASED PAVEMENT SEALANTS f PROHIBITED. �` IrDBUR9 MA 01,988
ESE STATEMENTS SHALL APPEAR AS A DEED A�,E:�1'�= 0' `` � .. + �s� 8 �-8 ��
- .
RESTRICTION ICTION TO RUN WITH THE TITLE. v'v Y SHEET No. I OF I
. ..... ...............................................................................................................................................
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S ica Reach, � i a Diagram for 6 W dl r L
U k
P
repared red by Sullivan IEngineering Gr � w , LLC 1 /2 1
ADG 7.00, / 1433 ;1 3 Applied MicrocomputerS IB
46" Woodberry Lane Type /// 24-hr 2 YeIar Storm Rainfall.18"
Prepared by Sullivan Engineering Group, LAC Rage 2
HydroCAD87.00 s,/n 001433 0 1986-2003 Applied Microcompu tee`Systems 3/8/2019
Time span=5.00-24.001 hrs, dt 0.05 hrs, 381, points
Runoff'by SCS TR-20, method, UH=SCS
Reach routing by Stor-Ind+brans method - Pond routing Stor-Ind" method
Subcatchment IS.-I Roof Art Runoff'Area=357 sf Runoff Depth=2.8I91"'
Tc=6.0 min CN=98 Runoff'=0.02 cfs, 0.002 at'
Pond l Pa. 1,000 Gallon Drywell w/ 12 If stone surrPeak,Elev=91AT Storages 2 cf In,flow=O,.02 cfs, 0.002 af
Oufflow=0.00 cfs 0.002, af
Total Runoff Area 0.008 ac Runoff Volume = 0.0102 of Average Runoff'Depth - 2.8,91"
45 Woodberry Lane, Type ///24-hr 2 Year Storm Rainfall-3,48
Prepared by Sullivan Engineering Group) L,LC Page 3
1
HydroCAD07.00 s/n 001433 @ 19,86-2003 Applied Microcomputer S stems 32019
Subcatchmerit IS,:, Roof Area,
Runoff 0.02 cifs, @ 1,2.109 hrs,, Volurne .002 af, Depths 2.,8911"
Runoff by SCS TR-20 meth�old, U'H,=SCS, Time Spany 5.00-24.00! hrs, dt .05 hrs,
Type 111 24-hr 2 Year Storm Rair fal'1=118"
Areas Cl Descrietion
357 98 Roof Areas of Addition
Te Length Slope 'Velocity Capacity Description
(m i n�) (feet) (ft/ft) (ft, /Sec) (cfs)
6.0 Direct Entry,
Subcatchment IS,,,, Roof Area
Hydrograph
. .......................................................................................................................................... M.R
10,026- j02 es
0.024-" Type 111 24-hr 2?Year Stiorm
�3,18
0.022-1 Rainfaflw
0.02- Runiloff'Area"357 'sf
0.018-1� Runoff Vdiume-0.002 of
0,016-1
Runoff Dep'th-21,89
0.014-�
TcAMM6.0 min
01
LL 0.012-11,
J
CNA*8
0.101
0® .
01.010(Y"',
0.004
01.002-
0
15 6 7 8 9 10 11 12 13 14 15 16 17 18, 19 20 21 22 23 2,4
Time (hours)
45 Woodberry Lane Type 24-hr 2 Year Storm R,ainfall--3.18"
4
Prepared by Sullivan Engineering Group, LLC Page,
Hydro,CADO TOO s/n 0014,33 0 1986-20103 Ap2lied Milcrolcomp,liter S stems 3/8/2,019
Piond IP: 1,0100 Gallon Drywell wl 12" stone surrounding
Sandy Loam- Rawl's Rate 1.02 in/hr)
Inflow Area 0.008 a1c, Inflow Depth 2.891"' for 2 Year Storm event
Inflow 0.02 cfs @ 12.09 hrs,, Volume= 0.002 of
Oufflow 01.00 cfs @ 11.,45 hrs, Vollume= 0.002 af, Men= 91 Lag= 0.0 min
Discarded 0.00 cfs @ 11.45 hrs,, Volume= 0.002 of
Routingby Stor-Ind met it Span= 5.00-24-00 Mrs, dtl= 0.05 Dire
Peak Elev= 91.17" @ 12.95 hrs Surf.Area= 96, sf Storage= 32 cf
Plug-�Flow detention t,'Ime-- 106.2, min ca lc ate ulld for 01.002 af(11001% of Inflow)
Center-of-Mass m det. tie= 104-9 min ( 870.8 - 765.9,
In rt Avail.Storage Storage Description
"0
90.5,011 67 cf 17-67'W x I 2.50'L x 3.60"H. Prismatoid
336 of Overall - 168 cf Embedded = 167 cf x 40.0% Voids
2 91.001 168 cf 6.67"W x 10.5011 x,2.83H �Prisimatoold Inside#1
235, cf Total Available Storage
# Routing Invert Outlet Devices
1 Discarded 0.001, 0.0011400 fpm Exfiltration over entire Surface area
Ou
!L'sc: ed tFlo1w Max=0.00,efs @ 11.,45 hrs HW=,90.5,4' (Free Discharge)
xfilt 1 E rdl ration (Exfiltration Controls 0.00 efs)
Pwdl 1 P:I 1,1000 Gallon Dry ell w/ 1,2" stone surrounding
1-11111ydrograph
IM Inflow
f—S" III Dis,carded
0-2 C-" a,,d
0.026,,"1
Inflow' AreaMw'rwq0.008 ad
0.024-"
ANN"
Peak Elev=91AT
0,022
0.024
=32 cf
Storage
0.018-
0.016
0.0 14
0 -
0.008-
0.0106-1'
0-004,,
0.00 Cfs,
z.
0.0021-,
5 6 7 8 9 10 11 112 13 14 '16 16 17 18, 19 20 21 22 23 24
Time (hours)
45 Woodberry, Lane Type, ///24-hr 10 Year Storm, Rainfaft--5.03"
Prepared by Sullivan Engineering Group, LLC Page 5
1
HydroCADO 7.00 sin 001433, 0 1,986-2003 Applied Microcomputer Sy tems 3/8/2019
Time span--5.00-24-00, hrs,,, dt .05, hrs, 381 points,
Runoff by SCSTR-20 method, UH=SCS
Reach routing by ; tor-Ind+Trans method - Pond routing by St or-Ind method
Subcatch err t,1S: Roof Area Runoff Area=357 sf Runoff Depth=4.66"'
Tc=6.0 min CN=98 Runoff=0.04,cfs, 0.003 of
Pond 1P: 1,0100 Gallon Drywell w/ 12"stone surrPeak Elev=91.57" Storagle=62 cf' Inflow=10.014,cfs 0.003 of
Outflow=0.010 cfs 0.003, of
Total Runoff Area 0.008 ac Runoff Volume .003 of Average, Run .66
45" W'oodberry Lane Type I// 24-hr 10 Year Storm Rainfall--,5.03 U
Prepared by Sullivan Engineering Group, LAC Page,6,
HydroCADO TOO s,,/n 001433 G 1986-2,003 A22lied Microcomputer Systems 3/8/2019
Subcatchment, IS: Roof,Area
Runoff 0.04 cfs @ 12.09 hrs, Vo,lume= 0.003 af, Deta 4.66"'
Runoff by SCS TR-20 method, SCS, Time Spar- 5.00-24-00 hrs, dt= Of.05 hrs,
Type, 111 24-hr 10 Year Storm Ralnfall�5.03
Area (s n CN' Descrip io
357 98 Roof Areas of Addition
Tc Length Slope Velocity Capacity Description
rrir feet) (ft/ft), (ft/sec) (cfs),
Directs try,
Subcatchment IS!., Roof Area,
Hydro graph
0.044 [,M RU
...........
0.042-, cfs
. ]
00147'
Tlype,111 24-hr, 10, Year Storm
0.0,38
0.0,36-111, OWN
RA"Infall 5,03
0.03C�.
01 �357
.
032-1 Runoff!Aroa
0.03"
Runoff VolumewmftO.0103 af
0.0287. ' III
0 6
Now
. - *
026
1 Runoff Depth 6
0.0241,
C, min
0.022-:�'
0.02
CN-98
WL
0.018-11
0.�016-
0.014
0,012-,
01.'01111-.
0.008-11,
0.006-11-
0'.004,:
0.002-', ..... ........
5, 6 7 8 9 lo 11 12 13 15 16 17 18 19 20 21 '22 2:3 24
'Time, (hours),
45 Woodberry Lane Type ///24-hr 10 Year Storm Rainfall=5.03"
Prepare Sullivan Engineering Group, LL,C Page,7
HydroCADO 7.00, s/n 001433 Q 1986-2003 Ap d Microcom,ptiter Systems 3/8/2019
Pond allon Drywell w/ 12" stone surrounding
Sandy Loam . Rawl's, Rate .02 in/hr)
for 10 Year Stoirm event
I nflow Area 0.008 ac, Inflow Depth - 4.66
Inflow 0.04 cfs @ 12.,09 hrs,, Volume= 0.003 of
Outflow 0.00 Cifs @ 10.55 hrs, Volume= 0.0,03,af,. Atten %,, Lague 0.0 min
Discarded 0.00 cfs, @ 10.55 hrs, Volume= 0.003,of
Routing by St or-Ind method, Time Span= 5.00-24.00 hrs, dt .05 hrs
Peak Elev= 91.57@ 13.89 hrs Surf.Area 96,sf Storagie=62cf
Plug-Flow detention tir 2,29.2 min calculated for 0.003 of(93% of inflow)
Center-of.-Miass det. time= 191.,7 min, ( 953.7 -762.0 )
# Invert Avail-Storage Storage Descr" ton
jet*
1 90.50' 67 cf 7'.67'W x 12.60'L,x 3.50"H Plrismatoid
336 id Overall - 1168 cf Embedded = 167 cf x 4 . Voids
2 91. " 168 of 5.617W x 10.601 x 2.83"H!Prismato"Id Inside#1
235 cf Total A,vall e, Storage
# Routing Invert Outlet Devices
1 Discarded 0.00' 0.0101400 fpm Ex,filtration over entire Surface,area
J�arded Out lbw Max=0.00 cfs @ 110.55 hrs HW=90 54' (Free Discharge,),
.�xfjlltrat,ion (Exfiltration Coat rolls 0.00 cfs)
Pond 1 P's, 11,000 Gallon�, Drywell w/ 12" stone surrounding
Hydrogriaph
M Inflow
0.044-
0 014 f Disc=rarded
rAl ded
01.042,
0.04-", Inflo W' Area=O,,008 ad
0.038-11]
0.036--
Peak levm�91.57'
0.03'4-:'
0.03Z,
Storageww6,2 cf
0.03-11:
0.028--
0.026
lu, 0,,024-1-
0.022
0
0.02
0.018-"
0.016.11,
0.0 14
0.0127'
0.01-
0'.008-"
0.006-
0.004- 0-00 cf�
0.0102-:
011
5 6 7 8 9, 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time (hours)
46 Woodberry, Lane Type ///24-hr 25 Year Stom Rainfall'=6.19"
Prepared by ,Suilivan Engineering Group, LLC Page 8
HydroCADS 7.010 sou 001433 @ 1986-2003 Appjied Microcomputer Systems 3/8/,2019
Time span=,5.0 0-24. hrs,, dt-0.05 ors, 381 points
Runoff by SCSTR-20 method, UH'SCS
Reach, roufi "tor-Ind+Trans method - Pond routing by Stor-Ind method
'Subcatchment lSo. Roaf Area Runoff Area=357 sf Runoff Depth=5.771"
Tc=6.0 min CN'=98 R,unoff=0.05 cfs 0.0014 of
Pond 'I P: 1,000 Gallon Drywell w/ 12"stone surrPeak Elev=91.,87' Sto rag e=83 cf Inflow4.05 ifs 0.004 of
Outflow=0.00 cfs 0.003 of
Total Runoff Area� 0.008 a,G Run off'Volum l Average Runoff Depth � 5.77"
45 Woodlberq Lane Type ///24-hrD 25 Year Storm Rainfall=6.19"
i Page 9
P En repared by Sullivan gineering Group, LLB
,HydroCADO 7.00 s/n 001433 C 1�986-2003 Applied Microcomputer Systems 3/8/2019
Subcatchment IS: RoofArea
Runoff 0.05 ds @ 12.09 hrs, Volurne� 01.004 a,f, Depth= 5.77"
Runoff by SCS TR-20 method, UH=S,CS, Time Span� 5.100-24.00 lairs,, dt= 0.05 hrs
Type 111 2,4-hr 25 Year Storm, Rainfall=6-19"
Areas Cl Description
357' 98 Roof Areas of'Adidition
Te Length Slope Velocity Capacity Description
--(Min) -.1feet) (ft/ft) (ft/sec Cfs)
6.0 Direct,Entry,,
Sub
I cc mend ISN. Roof Area
Flydrograph
.........................
.05 cis
......... ....... M Runo
0
0.05-
Typellill, 24-hr 25 Year Storm
0.1045-1 Now
Ra' 'i n fa 1,1 6.19
0.04-- Runofff'Ar6a=357 tf,
Runoff Vollume-�0010.0041af
0,0135
R.un'off Dep't,h,--5.77
0.03-:'
T&6.0 min
0.025-' �98,
CN
U-
0.02-'1
0,015--
0,01-1
0.005-
0 W DR 11 N A t"r F-rl F li I 1 4 Erlii 1 t 1 1 1-11 111,
6 7 8 9 10 111 1:2 13 14 15 16 17 18 19 20 21 22 2�3 24
Time (hours)
11'
45 Woodberry Lane Type [11 24-hr 25 Year Storm Rainfall--6.19
Prepared by Sullivan Engineering Group, LLC Page 10
-HydroCADO TOO s/n 001433 0 19862003 Applied Microcomputer S tems 3/8/2019
and 1 R-0 1,000 Gallon Drywell w/ 12" stone surrounding
Sandy Loam- Rawl's Rate 1.02 'ln,/hr)
Inflow,Area, 10.008 ac,, Inflow Depth 5.77" for 25 Year Storm event
Inflow 0.05 cfs @ 12.09 hrsl Volume= 0.004 a,f
Outflow 0.00 efs @ 9.95 hrs, Volume= 0.003 af, t ern 5%, Lag= 0.0, min
Discarded 0.00 cfs @ 9.95 hrs, Volume— 0.003 af
Routing by Stior-Ind method, Time,Span= 5.00-24.00 hrs, dtl= 0.,05 hrs
Peak Elev� 91.87' @ 14.55 hrs Surf,.Area= 96 sf Storage= 83 cf
Plug low detentioi time 255.3 min calculated for 0.003 a (78%,of inflow)
Center-of-Mass deb., fime_ 176.4, min (937.3- 760.9 )
# Invert Avall.Stora,ge Storage, Descriplion
1 90.501 67 cf 7.67M x 12.5,01:x MON Prismatoid
336 cf Overall - 168 cf Embedded = 167 lcf x 40.0% Voids
2 91.00, 168 cf' 5.67"W x 10.60"L x 2,,.83,H Ptismatoid Inside#1
2,35 cf 'Total Available Storage
Routir Invert Outlet, Devices
1 Discarded 0.00" 0.001400"rpm Exfiltration over entire Surface area
L'sc Flow Max=0.00 cfs @ 9.95 hrs HW=90.,54' (Free Discharge)
1=Exf1*[tration (Exfiltration Controls 0.,00 cfs)
Pond 11 P: 1,000 Gallon Dirywell w/ 12" stone surrounding
Rydrograph
M,I nflow
i
[--d-j-,b-5" -6!fs.............................. !MM111 LD�iscLardedj�,
0.0151
InflOW Arew"O.008 ac
0.0451-
Peak Elevx�91 .87"
0.0:4
to f
0.,035-
01.103-,
0.025
0.02-,-
0.0116-
0.01-1
0.0015111
00 Cfs
0-
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Time (hours)
it
45 Woodberry Lane Type, 111,24-hr 100 Year Storm Rainfall-7.,98
Prepared by Sullivan Engineering Group, LLC Page 11
HydroCADO 7.00 s/n 001433 0 1986-2003 Applied Microcom2uter Systems 3/8/2019
Time span=5.00-24.,00 hrs, ,.05 hrs, 381 points,
Runoff by SG S TR-20 method, UH=S,CS
Reach routing by Stor-11nd+Trams method Pond routing by Stor-Ind method
SubicMchment 1 S: Roof'Area Runoff Area=357 sf Runoff Depth=7.47"
T'c=6.,O min CN=98 Runoff=0.06 ds, 0.0051 of
and I PI-k 1,000 Gallon Drywell w/ 12""stoinle slurPeak Elev=92.37" Storage=l 21 cf Inflow=0.06 cfs 0.005 of
Outflow=0.00 ds, 0.,003 of
Total Runoff Area =0.008 ac Runoff Volume = 0.005 af Average Runoff Depth � 7.47
45 Woodberry Lane Type ///24-hr 100 Year Storm, Raihfall=T 98,11
Prepared by Suffivan Engineering Group, LLC Page 12
HydroC,ADO TOO s/n 001433 0 11986-2003 Applied Microcomeutear Systems, 32,019
Subcatchment IS: Roof Area,
Runloff 0.,06 cfs @ 12.,09 hrs, Volume= 0.005 af, Depths 7.47"
Runoff by SC S TR-20 method, UH�SCS, Time Span 5.00-24.00 hrs, dt= 0.05 hrs,
Type III 24-hr 100 Year Storm Rainfal,1=7.98
Area (sD, CN Description
357 98 Roof Areas of Addition
Tc Length Slope Velocity Capacity Descripition
(min) Leet) (ft/ft) (ft/sec) (Cfs)
6.0 Dilirect En,try,
Subcatchment IS.,, Roof Area
iiydrograph
0.07
IN R noff
0.065 .06 cfs
0.061-�1 'Type 1112 r)100 Year Storm
Rainfal l"71.98"
0.1055
0.05, Runolff,Area�357,sf
0.045-, Runoff Volume-W13o5af
Runolff P Defto-7.47"6
0. 1'035- TC .0 min
CN-98
0.03
0.025--
0.02-
0.0 15
0.017
0.005-1'
gill
now
01 F Pill 11 Tl
oil'11'
5 6 7 8 9 10 11 12 13, 14 15 16 17 18, 19 20, 21 22 23 24
Tivine (hours)
45 Wood berry Lane Type /// 24-hr 100 Year Storm Rainfall'='7.98"
Prepared by Sullivan Engineering Group, LLC Page, 13
HydroCAD01 7.00 s/n 001433 @ 19816-2003 Applied Microcomputer,_Systems 3/8/201i9
Pond I P.: 1,000 Gallon Dryweill w/ 1,21W stone surrounding
,Sandy Loam- Rawl's, Rate 1.1012 in/hr)
Inflow Area 0.008 ac, Inflow Depth 7.47 for 100 Year Storm event
Inflow 0.06 efs @ 12.09 hrs, Volume- 0.005 of
Outflow 0.00 cfs @ 9.0,5 hrs, Volulrne= 0.003 af, Atten= 961%, Lap 0.01 min
Discarded = .00 c,fs @ 9.,05 hrs, Volume= 0 003 of
Routing by St In method, Time Span- 5.00-24.00 hrs, dt= 0.05 hrs
Peak Bev= 92,.37' @ 15.,4,0 hrs, S,urPf,'.Area= 96 sf Storage= 121 cf
Plug-Flow detention dim e= 260.2 min calculated, for 0.0103 of(63% of inflow)
Center-of-Mass,det, time= 159.0 min ( 918.9 -759.9
# Invert Avai.I.Storage Storage Descrption
1 901..901 67 cf T-67"W x 112.601 x 3.60'H PHIsmato1d
3,36 cf Overall - 168 cf Em 167 cf x 40'.0% Voids
I
2 91.001 168 cf 6.67'W x 10.501 x 2.83"H Pri'smatol*14 Inside#1
235 cf Total Available Storage
# Rolutin Invert Outlet Devices
1 Discarded 0. ' fpm, Exfiltrati*oiri o:ver entir ace area
carded OutFlow Max .00,efs @ 9.05 hrs HW=90,.54' (Free Discharge)
1=E xfillt ratio m(E.Altration Controls 0.00 cfs)
and I Rom, 1 000 Gallon, Dry well w/ 12"' stone, surrounding
Hy'drograpti,
M Inflow
0.07 %is 011A DILscardejd
0.0,657 NNW
InfloW Area,mmwO,008 ac'
0.06-
Peak Elew"192.37
t a ,mm, 21 cf
0.045-
01.04-
0.0357
0 1 LL. 0.03--
0,025--
0.02-
0.0 16
0.01
0
'13 14 15 16 17 18 19 20 21 22 23 24,
15 6, 7 8 9 10, 11 12
Time (hours)