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HomeMy WebLinkAboutLOT 5 TWI LAKES PSL PROP ESS- . . DRAINAGE CALCULATIONS - . I LOT 5 TWIN CREEKS I � . . . . - I . . SAINT LUCIE COUNTY, FL . .. I . ..: . . . 1. . - . . ''. . �.. ..- ...-.. 2 .1 .. -' : :. .-:. 'p- ?1I. . I -\ !S� irr;e"0 '.:P� - -.. '. .0. �..` , ,.- . . I � :a ! : i' - �:�.r�I .� ' ."� .' ."- ... ... . A....�'.�. ..... m...A- - ..� '.\..�0.. ".. . . .- .." : .-!.. .�.....I-.-..� '::....r �= . , �.-. ' -... . �. ... ... '- .-.,.I.'...,... ' l-L ;.�.. .-1(SITE DATA: .m". .!.- SITE AREA: 24310 S.F. = 0.558 ACR .. . -?0 , �ooj � L� IPI.-.1 ...1' .. E A .:.. .' ... .6*.. r' . ':. - . .-..E. :1L ­- . - �... ­ 1. ''....'. . I'e-. .......-..:: -..-..N�.- �.... .'..::,:...-:. ...:I.. ;,....1-.....- .. .. !. I.':..: - .1�1....:. ..'. .. ... . I .�'..'...' ..rN....- .. I'- . . ...r.1.,m:....:. ./�.:.... ...... .-�. :.L�..Y.. .��::I:...... :�. .. � -..... .. '. .- . ' � - .�. .. .' : .. .. L'.' �.... .. I' .1 r... ' .:..- .�.... �." �......-L.L .. .� . '.....- I. . .. 4 ..:..': ........,..? � ...!�.... ..� ':- � .;. I �­- ... -.. IMPERVIOUS:. 2189 SF = 0.0502 ACR-9.004% . .. L E. E S= 8.18 (1-% IMP) = 7.44- .. 0 Q(2.5) X (0.09) = 0.225" F�111I " I 21 Vdet(required) = 0.225 X (1/2) X(O.558 AC) X100%= 0.0104 AF ` . A, � 1� 0.0104 AF x 43560 SF/AC = 455.74 CF 41 Q Vdet(required) = Vdet(provided) r�, �144t 1 IFI : 11. ...... .Lr'. .!..'.. .r ;i..'?�, . ! H ...r . ." .� -:,-� :. ... . - .,:�:.....: .. .^. '. -�- " " � :­ e - -- 't .'.'4.':-... ., :i-. .. .:r.t -. .. .. '' -L L � ' , �", SEE ATTACHED COMPUTER PRINTOUT .'.0 NOTE- Y" PRETREATMENT PROVIDED IN SWALES 0.�- --- ---".., - ---. --.! $ %�-\�ffq 10f. 1 1--- ----t---_- z�-J. --..-- PROJECT:� - C�- RPR01E{T AREAV 56 ACRES GROUND STORAGE 4 I r'� �m , TERMINATION DISCHARGE : - "� �v RETURN FREQUENCY 100.00 YEARS e.�b RAINFALL DURATION 3-DAY . N:. 24-HOUR RAINFALL 4.50 INCHES -` (o!. REPORTING SEQUENCE STANDAR4IZEO ','-1 ,'1 D .' - I - ..... * STAGEDISCHARGE C A :: 4 (FT) (AF) (CFS) 5�� ... -- . 16:00 .00 :eo ' 20.00 .56 .00 O. S.. ') . .. ... -L y- I-N; . -..-�.. '� I& � , 'k ' �7 ! - k 'L- . ,.'...� . - . - ... .-- 1 !L' ., N..K .'- -.-..7 ' --:' 1I - ACCUM. .I Z �... ..i..'.q � -3 TEME FALL RUNOFF DISCNGE INFLOW VOLUME OUTFLOW DISCNGE DFSCHGE STAGE i :, 1 - (MR) (IN) (IN)- (CFS) (AF) (AF) iqo': -i: �I ) � .- -. T1-t 0 0 0 0 0 ) 16.00 I �I i .� � ; - 4:00.11.00 0 0 0 0 .0 �,- 0t0. , . . � 1m � L1 L. .� - - 1. - .�.I.. - -.;.I ..t... j..: ;.. : .:. �i - A: .L �.- ,..�. .I: !�. -, .L.-. 800 :22 :00 0 0 0 0 0 12.00 33 00 :0 ..0 .0 .0 .0 .0 16.00 "' -- '6" .. . 00 .0 .0 .0 p, 7�_3�i � G.4.2 I 1 \ - !.�'. 1 \. 20-09 .55 .00 .0 .0 .o .0 .0 b I � 24.00 fib 00.0 0 A 0 0 i i. \ �9',I 28.0e .82 .00 .e .0 .0 .0 .0 0. ;O-0i \ r -f 42.00 99 00 0 0 0 0 0 -� ), .0 .0 .0 .0 .0 V - .. , .0 0 0 0 0 W - i' X 44 .0 .0 .0 .0 .0 . -ELL - EY N- DN"'�- .. 5LIA/ '1 48 .0 .0 .0 .0 .0 `. .0 0 0 0 0 0 16.09 . \�0\.?>d'. -- � 56.00 2.23 .07 0 0 0 0 0 3 V\\y . .0 .0 .0 .0 .0 �#.. \ T) - ---- . O �<%�). .- "7J-�212,0I 42L?IE n ) .0 .0 .0 .0 �22.3. &::: 2o'd .p�$��� \ . .1 .0 .0 0 0 �- - .6 .0 .0 .0 .e #--o ': .," . .9 ) 0 0 0 /.7 1D """, ---- ;�K .2 .0 0 0 0 ..;-\� 6f��� .lI .I 11 .1 .0 .0 ., .! ,,o 62.0 .1 .I .1 .0 .e .0 17.14 �; 64.0 .6 1 10 0 \ . '�. :. .0 .1 .1 .0 0 1 ,( 1� '.55 4 r - - . �.' C " . , - .1. '! �.\ \ ACCUM. 7I. --i I % Y. TIME FALL RUNOFF DISCNGE INFLOW VOLUME OUTFLOW DTSCHGf DISCNGE STAGE ' (MR) (IN) (IN) (CPS) (AF) (AF) ._ji " : + ";. ANI .0 1 1 0 .0 .DRF L 1".K�'�L9010 SUMMARY INFORMATION . .-_;�" .M. MAXIMUM STAGE WAS 17.27 FEET AT 72 R ' . . MAXIMUM DISCHARGE WAS 0 CPS AT �,"- � �,:- *" ;- - � - " '. II�.. -. �...C.-.6�.:,..',..� 1L. I-. .. A I . . . . I i�� . jIN; - �. '. . P-R: ' E(� P I I.. . . - � .: ENMELD; �# C� - .IQ. 50 UN0R5TR ,CTD ARZ. : 0 . I -. P k 'P WELL �L...D .- 1 . . ' I L - - ; �- 1. o I - . . - '--w -'1.�74.9!�R i. ,4. "-.. I 20. p �' . N,j.,- :��''.. -, !" Y'T'.�:2�-3 Q-:2-P. (`:,' ' .... I :: .. , .. .) . � ' . . '. . I ) .. t' -� � ., . DA I L �r�.. - .60 SAG:; , .' " - .�. a 1 i0 ! W1` .. .... ...m - . � i.'' --'---'----.----- . I ..... px �. ..... �L:r�► ' - -I. ' i'::'-.�.' �!- . .: . .1- -: �. :.. .... I - .. '.�% . . . - IjC L- --f . b 1.�' r- t4- - L I Ir .1 .1 Is e. T �' -" � r 6,4� -I,-,,,- , 6-i'--�L��- .- I �tz%Az . I I % ,- - --:)la ,AUS- r-�t-'-NjAAIL: [- r�%,; I ee: 10-1�; I - I - - - - I - -- L- --, - 1. MAY 4t I : llsjjl�;-0 -:;,III jj.� . - . . .. - ... 15�-� �----f I - --o . ..AA%t . I 't ! ' :- 20, - - - - C - - - � rox%'54 r.0, 0'. � - ---- -- - - . I 45 '' U 'O.Zo ­r ......__-i��..Ti.,���j___.-.,.n,g-,,.'Ar . ......-A I .......___.. . ... . . i I � 'r ;.. ­ .. - . /w Digitally signed by �r . R .-. �71'0 Paul Paul Welch � " I I . I /. . . / I I / Date: 2022.02.04 . . Welch 15:53:03 -05'001 ....... .. .... �- PAUL WELCH INC. MECHANICAL * ELECTRICAL * CIVIL ENGINEERING 1984 S-W, E31LTMO RE ST. SUITE# 1 14 . PORT SAINT LUCIE, FL 34984 . . PHONE EMAIL . . . (772)785-9888 PWELCHINCLaAOL.COM PAUL WELCH P.E. FL. REG. NO. 29945 . . . . - $ . .'. I � I . Z < -t-m ..... � ... Ln �'-' . I , � . U- ?�__j PL w z . . LU U 0 : (D z U . Z J.- U - Z) - . - = In " : I . j ZZ . � . I � ---�- -7-"- I . I � ). � . . I , I . .. . .� . . . V) - - . . I