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1998-5606 G 8!h_~ -- Category ,5~O!o ~ Name Plan cK. # r~~rl,",<",'" , Street Address I ~!)9 ~ Serial # -------------..-- Description Year _._-;;:---_..~_..u. ,w. . ~ 'I !'TJ/ JACK H. EDWARDS R.C.E. 11302 Aars 244a72 Nb V."'r2.:1-"" f2- (2...E. . <;'t oN S. . .. J. EDWARDS CO. JOB NO. Sa- ð:/.., PROJECT I1"?Q 7 ç2 r PAGE / OF CIVIL. ENGINEERS. PLANNERS. !..AND SURVI;YORS 'lil.a III"'~ "" "'~O;" n..., ...."".', II' '.88.. 7 ¿, ð-~ -?-f-"f'ðf ð' ¡.- . . ¿J.:5 ; n 7 q"...ç.,.:s h70'~~/~7'1 70S' Or¡ohcq.;j /}vt;1 ~7J)ý .1 ë- ¿ - /.¿j - /1- / /.,:;- a;- 4 d,; n '7. CA '-' ? ¡ 'J .o.f-.:; '" 'Ï V 1 ~ I d. ~// cd,. ..,. ,I ð 7 'J J~j~ -/~"'ï o,j,-' ':ð' ~....h-5./Q, / ,;'- /! "1 .., ": '.' .. ~: ... ,.. 7Z.. ), .;~.../ ;l~;"...--, ..,)." Q .' CIA ...uhq;.,? ; ;Po. <1'/.. -í/"'LAJ ;~ C"-I~~c:.. -10'7'-/ !"f')V' '::'7('~..,d 72......, ...{.{ C.. It! -I' +¡ C I;" ;.-;-) l2"'/~/ìfJ/J"-/':7~~;¡ï ¡'~ /hC'},70;::?ql' ,1,"""-, 'J) ¡,Þ "" J ~ co . <1 '" Þ" 1'-..., ; "'1 ~ d ~ (l!.,4 . / ;:?// d"«1;"'~-r~ qJA<:>..,:; -!J~¡'¡ d)A~;" J~ ð"',?,..19'-1.:s ,L)YtZ.. dl"t::)//7 ..J.. ¡'l.11 cI,,'¡Yr2'VC!lï "'¡J.~.... t.U<:>..:.-IO';'/j ../... -JJ,o, .:-/;.~tJ'.-/, ~::: C = I= A.:: FI""'"' )""'~I'~ ('j"ð'1 ../},q ';'>-1,ð~-J Y~þ-y)o!J¡(1 Q/,Ç!:7 J~ T<!. .¡~ ):J..',..,..J. (j) ;, «!. ?<4d"J3" -!- Ie (':).... ¿i-'J)/()¡"J-? '1 IN J, r1 ". ~ /...:., ,..1." ~"': I ::: '; I.d .,/,r. (} == ð.:; t!J ",. Af'fC"'PO"";.I ^-~ Tc,:: 16' /7,7'-">. CJ/7 ?.d".l5" 7...d"?," .3 r /')1 0' <.AJ "" '-1 : /].:¡..:;q ......"..,1 ø-= /,~~ ,.Lì/,/of>"d;x x-~ -3:: ,;),..s' /.. v= ¿',ð .f-l/:5<?c ':.ðð f. ¿'.:. ¿.5 ':;<7C'. :: 4,6- or>?,;-, fc Tð .¡ ... i ~-: /¿f-/ð.¿;:.. )8,j-",.",n. ¿/ $ ,..., 7 -9 ¡o t <? ~ ci 0< x J 6..J',)~ Tc. .=. /8,':;- h-)JÞ? 4".::/ p~::~.~;",/),.... J:: ,J,,¿J ,,;~(!,I} t7.$ ~Q" nr", I' , ~,/ ..:s !" e. P,"'f-ç'-'n';I .. I lV-A-, ¡;;':j~.. .:;,,; qrQ'-I~ C / / r ...,-,., :-- ..::[/"';',7 -,."-"O?, /" c -;: ø, ,j' (J ,".;,' r <- q /Pc/-':? .;; c <:;j ';: C'J ¡CJ (;\0. . 2., '-j0 T:ie."./t<) J.:; ¿J,:-: (J, .:. ) r C- -:., ..:,('. tf}, ¿ </ :Jr...:.. _CZ.-"- <T ? ;~~'~~..... " 1'" ~, "'... 0,: . J,C ":.0 --?!.LJ.L__- (), S' 0.89 . ~._'-- JACK H. EDWARDS R.C.E. 11302 A8cS 244a72 J. EDWARDS CO. JOB NO. Sf] - <!J ..2., PRO J ECT J'>"? () 7 t1 ,... PAGE ~~ OF . CIVIL. ENOINEERS . PI..ANNERS . l...Þ.No SURVIEYORS '111i. 11I.a.........8 ...~~. "'.".. Ii......,.... I.ell... ¿:)",~ q 0 C ð"" oS I'~ -/. ih / to!" .tJ.$7 ¡lQt::'V'(l~ d;...,~n.::: ../", de:> (] ~"7 ~./. Th i~ Q;-<ÇZ.q J~ /7 d -/ d, ~ ../ ';t ;< I. 00 d ¿ 'j J r.., d~.... 7 ' ¡"'lïd"'4...J;f!..~ : .,t) ¡;. 0 ....:: ),1""1d.! C ¿J.; ~ /..$. -/, ,,' 7 tt:j/ t:L~':J q(!I"(!~ 4I~-I~ ." 4/ðf:J : -- f I. J ó cr,':: ~ -i d .:! = 9..f~" L/ oS /"~, ;r) ~t 0. h ~¡.,x x- J) ~.ð ~ J~ v= '1)af.J.l..: < 0.1. -f-l. Qj ? ~ I>, j ø --- TABLE 2 RUNOFF COEFFICIENTS (RATIONAL METHOD) DEVELOPED AREAS (UReAN} Coeff i c i en~..f Soi I Gr~>up (1) Land Use A B C D Res ¡ dent ¡ a 1 : Sing I e F am i I Y .40 .45 .50 .55 Multi-Units .45 .50 .60 .70 Mobile homes .45 .50 .55 .65 Rural (lots greater than 1/2 acre) .30 .35 .40 .45 Conwnerci al (2) .70 .75 .80 .85 SOO;.. Impervious Industrial (2) .80 .-85 .90 .95 90% Impervious NOTES: (I) Soil Group m~~s are available at the offices of the Department of Public Works. (2)Where actual conditions deviate significantly from the tabulated impervious- ness values of 80% or 9~~, the values given for coefficient C, may be revised by multiplying 80% or 90% by the ratio of actual imperviousness to the tabulated imperviousness, However, in no case shal1 the final coefficient be less than 0.50. For example: Consider commerci al property on D soi I.-group. Actual imperviousness = 50% Tabulated imperviousness = 8~~ Revised C = 50 x 0.85 = 0.53 80 IV-A-9 APPENDIX IX-B Rev, 5/81 H F~~/ S-"O" 4ðð" 3"00 2dd" 3tJtJ 2 tJ" 1.00 .5"0 --------'---'-.-. - --",.~~ ~~ /tJ o.s ~¡) .JIJ EQU/lT/OA/ Tc. (//-¡L .1') .385 7ë = ;r;m~ 01' conct:/1/rahòn L 8 Lt:nglh 01' wal'~'-.$hed II r l)///t:,-e/7ce //, e/evahòn alon9 e/l'ecfiY~ slo.oe line (,set! /lp~/1diX r-B) ¡;. L t: Mi/~s Feel #ovrs Minvles " 24" NOTE IfFõR ÑÃ T URAL W A TËRšHE D S, 2ð ß ADD TEN MINUTES TOjP LSCOMPUTED TIME OF CON- CENTRATION. -=- ~ -:- -=-=- -= =- -=- ~ '- IdOd -'- 9"1) 800 701) GOO'\. , SOl) " ./00 ~ ,,~ ,,~~ '\ " , " " "- ., I lð 5 H s .3 -IIJ IDd 2 l.2ð / 10ð !l0 iJI) 7ð IiIJ SO 3tJ " SIJ"" ' 4~0 2tJ - , /8 3tJtJO " 10 '\. Art , 200tJ , /2 18tJa " /6tJtJ ItJ 14fðtJ 9 12tJiJ 8 IOOiJ 7 9tJO 800 b 700 IitJtJ 5" SOt) 4- tltJO 300 20tJ L 3 SAN Df EGO COUNTY DEPARTMENT OF SPECI AL DISTRICT SERVICES DESIGN MANUAL APPROVED ;;), /(', /~ ~ 7ë NOMOGRAPH FOR DETERM f NAnON OF TIME OF CONCENTRATION (Tc) FOR NATURAL WATERSHEDS f\ATI=' 12///&1 Anne-..""", " . ,-- ---. Wale:r .she: d Ot"VI d~ " --- -- - --- -----J ~ "\ \., ~\ \~- ..-- -', ---~~-,--- - °;:,';; ~- / --- '--- -:::: ..- '-- . , /' ---- - ./ ~ L . W&2ler.sIJed O/v/de r" ( j EI'/'ed/ve I , Slope L/n¿ De.sign Po/n! (Warer.sJ¡~d Ov//~/) SI/"/::O/77 L I .1 /lrea '/?" = /IreD.. 'B" SAN DIEGO COUNTY DEPARTMENT OF SPECIAL DISTRICT SERVICES DES I GN MANUA~ - APPROVED /?'. r'", /y,' / ~L '.:-1' (} f:, . . ' COMPUTATION OF EFFECTIVE SLOPE FOR NATURAL WATERSHEDS .' .. : APPENDIX X- B TI/-tJ DATE ~¡) ~ ~ ~ ~7ÃJ '" ' ~ ~ ~ 2t1:? .~ ~ LIRB/l# /?RE/lS OYERL,,9NLJ TIME OF FLtJW CURVES .5 0tt:7 ~ , ' , 0' I ! , I I I ~ "!!j O~ 'I, J I I ...' ....c, "r" /J' ~ ,~ ' ~ \~ \' ~;i I)' I , " ,0 , , I " I ¡D , G" E.ro mp/i!' I ZD , I ' , jO ' " , , A', Y I I , C" , I I , '~ I ,. ~ , I 5° : I ~ . C ' I , I .þO I , . , , , ' - I .....,. ':. -::....,,- ". , I . .70 ./.' -'-.~ /' ./ I I I I =--- , /, ' , I , ,"'- - I , .,G~ , I/' I I I , , , ./ I - i I ' ,_, . .9ð -'- I I .95 "':::;'H I .c : , , , 'L.,-'" ... -- " , 7" : , , - ... - .,- , I I I , 7t} be:? ~ ;§ ~ $'ð ~ ~ ~ :-...; -Ið h..: ~ ~ 3ð ~ ~ ~ 2ð ~ ~ /0 ¡) /t}t} tJ Ex O/7'Jp/i!' ' C>Io'~/7 : L i!'/rç/IJ ðI' Flow' .300 /~ S/opé' = / tJ % Co~/,/j;::/e/7/ 0/ Ru/ro//. C,, 50 Rt:'ad: t?Yt:'r/Q'/ld /Ï'owltmJ:' :/.9 AI//7u/t:'.s SAN DI EGO COUNTY DEPARTMENT OF SPECIAL DISTRICT SE RVICES DESIGN MANUAL , // ' . APPROVED /-, I', ,y(/~ J! 1 a t't- URBAN AREAS OVERLAND TIME OF FLOW CURVES DATE /; II/:r¡ APPENDI X X - C 2% r- 1.5'--! ~ n : .0175 2% -L 0,13 t- RESIDENTIAL STREET ONE SIDE ONLY 20-+.-~'-"':'" -to I I : I 18 --;- ;. j : 16- 14- 1 . . . - . 12- 10---. 9- 8- 7- 6- :,- t- 3- UJ UJ a::: t- V> u.. 0 ~ 04-' I : ! i I I I I I 6 7 8 9 10 DISCHARGE (C. F S.) I 40 ..,... I 2 I 30 EXAMPLE: Given: Q= 10 S= 2.5% Chart gives: Depth = 0.4, Velocity = 4.4 f, p.s. SAN DIEGO COUNTY DEPARTMENT OF SPECIAL DISTRICT SERVICES DESIGN MANUAL APPROVED ß,¡,!. ~~ GUTTEr, AND ROADWAY DISCHARGE - VELOCITY CHART /2 /3o/~ 9 DATE APPENDIX X-D CourITY OF SAN DIEGO DEF'ART/1ENT OF SANITATION & FLOOD CO~ITROL 45' " I 30' : 33° 45' --'---"'.--' "'-' .-- - P'~pnf..d by u.s. DEPARTMENir OF COMMERCE NATtO:iAL OCEMltC AND AT. OSPIIEHIC AD~:t:--ltSTRATtON (iIi"EeU.&, STUDIES BRANCH, OFFICE OF II UROLOGY, NATIONAL WEATHER SERVICE 3D' ~ .... I ¡:. .J 1181 451 30' 15' 11t 301 151 116° ~ COUNTY OF SAN DIEGO DEP^RHIENT OF SANITATION & FLOOt) CONTROL l.5 I 30' 151 33° ~51 -., ,-,- u.s. DEPARTMENlr OF COMMERCE Propp f'.j by NATIONAL OCE^:>;IC AND A'r:~OSl'IIERIC AOMINI:.rRATION "'CIAL nO"'" """C"'3°;,"« 0. ~""OLnoY. N^YI~^L 'EAY"" ".VlCE >-I .... I ). I - w IIIIU 115' I r¡ . 1178 1168 ! I I I.!i' )0' 1!t . 30' INTENSITY-DUMTlvI1 DESIGN CHART I< ...1. . -I. I.~.." '-0 .,- -0.-'.'.->-"""""""" .,. -1-1-1.""'--"'" -~->-I- d t=I~:J::t:t:IJ:J:tt: 1.1:,.,.,. " ~.2 :3 -i -< -< -i -~..-~_..,- -.....-..._...-~. ~ ::: I-I-"'->-'.""""~'- ~.1 ~ 10 15 20 Minutes 5 6 Duriltion 2 Hou rs 3 4 30 40 50 1 3) t :I c 4) I. /8, -ó-J min. ..1,0 in/hr. *Not Applicable to Desert Region APPENDIX XI IV-A-14 Revised 1/85 " " \. - - - ST. ......... I ! '" . . '" .,