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HomeMy WebLinkAboutTract Map 3334 Lot 24 Drainage & Hydrology . . -I . . . . m m . m m I I I I I I I ]);t[X) - D/40 RECEIVED JAN 2 9 2001 CITY OF TEMECULA EN!3IN~ERING DEPARTMENT Drainage I Hydrology Study For Tentative Parcel Map No. 29140 Parcel 24 of Tract Map No. 3334, M.B. 54/25-30 A.P.N. 944-290-012, 013, and 014 Village Commercial Center and Apartments City of Temecula, CA Prepared for: IMOCAL, Inc. & The Village ofTemecula, LLC 27349 Jefferson Avenue, Suite 105 Temecu1a, CA 92590 Tel: (909) 296-2300 arkham, PE Expires: 03-31-04 \ I I o o o o D . m m I . I I I I I I I 12/26/00 IN. 1003 Notes: 8. 9. 10. 11. IMOCAL Rough Drainage Calculations for Existing & Proposed Conditions 1. Calculations were performed using the RCFC & WCD Hydrology Manual, Rational Method. For existing conditions, the development type used was "Undeveloped -Poor Cover". For,proposed conditions, the development type used was "Commercial-Paved". Times of Concentration (Tc) for the initial basins were calculated using Plate "D-3" of said Manual Soils were estimated to be Type "B" (on average) per Plate "C-1.52" (Murrieta) of said Manual. Rainfall Intensities were calculated using Plate "D-4.1" (4 of 6) - Murrieta, of said Manual Runoff Coefficients were calculated using Plate "D-5.2" (Soils Group-B) of said Manual Velocities were calculated using Plate "D-6.1" of said Manual. All calculations were done using Plate "1)..2" of said Manual for existing and proposed conditions. Both I O-year and 100-year flows were calculated for each. Topo source is from CADD drawings of an actual aerial topography flown on July 8, 1998 by Analytical Photogrammetrics Services. No bulking factor was added to any of the calculations. 2. 3. 4. 5. 6. 7. ~ CANYON LAKE c:::0 LAKE SKINNER RIVERSIDE CNTY ------------------------ SAN DIEGO CNTY VICINITY MAP 2000 THOMAS BROS. 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CIl :x: 0:: q; ~ 1IJ 0:: r! ~I/!. ' ~I,,'; , ~',~" " \ ',' :4: ' .~~ \.I ~ ~ (II ,. 0- .... z o 'i= .M (II .~ om II.. \l4u OVl "'.... u u . , " I . . , ,~ I '. PLATE 0;'2 I I I '--- I U D D o o U"-/ I I m I m I . ''-- I I Te' LIMITATIONS: L 100 I. Maximum length = 1000' Te - 90 2, Maximum area = /0 Acres 5 ~ eo ~ - .. .. ..l:L ,. 0 ~ 0 :seo >0: 0 400 .. - t; 300 ~ 0 200 - .. 600 500 - .. ... .E .. .. 25 - ::I c: ;; 'E .., 300 E ... 0 :J 250 18 - 19 ~ .<: 20 - - '" c: c: 200 .2 .. --I - 0 .. - c: 25 .. u c: KEY 0 u 150 - , L-H-Tc-K-Tc ... 0 30 .. EXAMPLE: e j:: 1Il L =550', H =5.0: K = Single Family (1/4 Ac.l 35 Development, Tc = 12.6 min. . 100 (2) L=550', H =5.0', K= Commercial 40 Development, Tc.= 9.7 rilin. 5 4 Reference: Bibliography Item No. 35. RCFC a WCD HYDROLOGY ~AANUAL TIME OF CONCENTRATION FOR INITIAL SUBAREA '\ PLATE 0-3 I ,', "c ~~~: I '-\i BC d B~':" C , '0 ,'. ..;:':;./. . I ~ I I B Be I I 0 D I B ;'-...-< I I " I I I I . 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PLATE 0-4.1 (4 of 6) I I I I. ;....,. I.. .,..',, f '"'-",' I" d.." Iv I m. i: _. .,: m .:' . '., .," '.2 .,...... - ~,,~~"i ' I I I ":(00 ',' -, .~ ~ ;8. . ,", ,1 ,5 04 I, ,3 =1 i .11 , , ,. ,'....1 ";.,.;F'.... 4,' 5 ~' - ," r '". . '. ~, : 1.0 ..~ ','- -".- ," ,-h - a,_ ", .....-,. .. -. .'." :~ ,"' . ,.... .9 ,5 ,9' .;:::;,:,., ..-.J._ :>.. ~:' ,8 T --t. t - ~ .-,.. ," - --t - ,'- '-,' j+' "'" - "'f ,: , ' --""-'T' '. ,1'- 1 ~,*~r-t-C-,,-~-;'., ,.r-., I~j:-'~~-';"'J ,~' .: '---. ..' " .- ',- ',+-~ :1-r, +-tH:rlt+ '. ~p. .,:. _:r , -;-- , ,. '...., . '. '-r-, -- '. :H:h :::j:J- ++ .- -u.. ", . , ,'" 't" '-!t.,~:tr--lq ., _.g;z :'-,i -t+r, ,- ..,-j--' " , -:::) . +, .. ,; a: "" - .'-'~-.r=tt--'~'"_,, - - - .. '+-::r 'LI.. ",: -+ 1-'-0' , '- .. 1-1 +, ,- l~t-' --.., ""...,....... ",_-.J -"-z ,. -,-[ "_W , 'Eh' ' ,', t '--4' ' -- ".".'.-~. v "c)'PM!; r' P€'"L' _,,' ..... +',' ,. "j t- 1 J~--!'f-"i -: ,,_Ll... ... + ,- +4+f+H- -. .1 ',.IL. .: , ""_:1 " -T-..t _:j:+I- -": __ ~ + , u . ,4 (~~V~ - - -: - .:1:1+1= t ft T +1-tt ^_ - - -l=EEr I. ~J" '_H 1 - _ _ 1-1-- _ Jl -1+!-' , ,-'1'" - ,&1- t=L tJ'h .--'- -,I ,t- TT't- -r f' -+- n : . "t-t- " - ; .......::ttf:j-,_ -,- ~JJ:ti:: T.i.:..L_. ',',RCFC'a W CD", ''', -. ',' .--t '~i::~tLYD~OLO~\" '{ytiNU~~ -J __ '~lJN6FFCOEFFICIENT CURVES ,,2 ." . " SOIL GROUP-B ' COVER TYPe:~UREl;AN LANDSCAPING , ',.', ,,',' , ," AMC~n . (RUNOFfINDE;X NUMBER 56) '.", , ,..-r ,." '.' .' ~:ft~~d :-- ,"jl~.:I:+ .I r ' , f;';~" .'" , '--'T' ~:-n' l ,." .L , +-4..1]" I---t '-'-c, , [+-I' '4-it:i:ttlli '..d:J.,',l.. .J}+.;~' i -f--I i-I'l , , ,,~~T~~~~';]~~TElN.?I~r'.l~ J ,1NdHt~2eER: H.9Q~1~ Jiit"0l i- , I 3:' " 4 5 , '6 0 PLA"tEO,-5.2 I .7 ,6' ,". ";-, ~ .6 ~. ," T .,,--:. '"." '," ,. .tA'i:tU"i) r"'.,.+.'."i~'" 'Th ,'" >.~C '..' 'H'", , , . -. . . :-,;S.... -.." ,.,.;:.,r,.;. : '~-', :::.f'-:",' ,.... :_.: l$~ft" +* ......;-..:-. .3 , , ',''if -1 r . '.:..'-'- . , . -- ~' :t -- , :'.--,', rf '...11' ,- '., 0-:")" Ph' \~ I