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HomeMy WebLinkAboutParcel 1-4 Hydrology Report,. ~ i ~ ~~: 1 • ~~~~~~~~~~ JUL 1 1998 CITY OF TEMECULA ENGINEERING DEPARTMENT HYDROLOGY & HYDRAUL I C CALCULAT I ONS .~,~.,'. ~ ~~ 4~'~ 'S,E,GoR, Y/F1GCo1TLn/, s~ GAtLE GF{A/$„$ i~/VE~S/DE ~~ PREPARED BY : ANAGAL ENGINEERING CO.. 1900 E. LA PA~MA AVENUE SUITE 202 P.O. BOX 3668 ANAHEIM,CALIFORNIA 92803-3668 . f7141 774-1763 rt c 42812 ' IXP.3131/00 x} ~~o~' ~ ~/ ~ PREPARED UNCER THE SUPERVISION OF DAVID C. QUEYR~~CE 42812 EXP. 3/31i~67 • ~ ~.'l0 30-l~ DATE ~ ~ ~ ~ , PROJECT DESCRIPTION: The proposed development is on undeveloped property surrounded by single family 1 acre lots located south of the Santa Gertrudes Creek east of Pourroy Road. Drainage from the property is collected in dirt swales and directed to the adjacent streets. Pad grades for the subject site are above the 100 year water surface. Existing facilities at the corner of Calle Chapos and Walcott Lane include an existing 12" CSP crossing Calle Chapos and a 30" RCP crossing Walcott Lane. CQNCLUSIONS: The existing 12" CSP can carry a portion of the 10 year storm as calculated from the County of Riverside Flood Control Manual. Proposed improvements include providing a grate inlet, curbs and gutter for flood control purposes. v / ~ \ { ~ -~ ` . ' ~ \~ .~ ~-_~_~S . ~ ~ . . ,zGn . ` i.~.__~:J L ~ ~ . . i ~ . ~~2G . ~~ - ~ \ ~ ' _ /240 . -- I . ~ , -~ - ~ , ,, -~ ~~~ . ~ _ _~ ~~/ Yr' /\ ' - \ . -` ' ~ ~ i , i- x \ ~ ~ ~ ~ .~12kk 4.0 ~ . . " ' ' j i, . ~ ~ /24 . ~ ~ ~ ' ~ l ~ !' i . - - r. _" ' ~~~ ~-/." ~ .. ~'_'- -~ ~ . ~ A ~ ~~ ~ , ~- ~ ~~ ~~~ _, `(24B_O / r " ~ / / ' _ ~ ~~ .A ~~ -A' •/ ' / •i , . - / ' -- i . \ , \ ~ .~'-~ ~ ~ ' .___"'_ '"~ ~ \, i , .. -~ ~ - , \ '. . ,- _._ __. 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I ~~ - ~ I ~~' I ~ ~ ~ ~~s o~1 ,'/~~ ~'. ~ ~~ ~ ~. ~ - ' \ ~ ~ _6{l_ I I/4~~ I~ CAP ~ /~L. a ~ i` ~6 /I/"~II t ~\ ~ ~ / . ~ , ~.~~~: \ _ - RCE 12116 '~A ~_. . . , \\ ~~~ _~i' ~ ~ . ._ ~ \ , - ~. _ ~ __ ; tq'~7. ~'r°D~_ ~ V_/ ~v,,_ ~_ - ~ _ ,_ ~ ~ ,17" ' _ - ~ --- ~ ~ ~\ ~ ,~¢~:. - . -" , , ~~ -~ , _ - ~ . _ ~ ~ ~ -~ ,~ \ ~ - -- ~,.~~_ _-~ ~ ~~ -~, E.-I,)90,000 .. y ~~ ~ [.\ 1,741,000 ' ~ p. ~ 7 ! = SECTION 20 ; T. 7 S., R. 2 w. S SBB 8~M 6 ~~ ` " t ~~ ~s I /G~ f~d %! r / `~D~ ° I o i - G Liiton ~ ~ Z~NE 7 ~ Drawn- J Oaks ~ i Bf C C C ~ iw~xc~[sea! D B B ~ p ~ .: p ti" D C 6: B b',o- ~ 8 r D t I ~~ s ~i~i; . ,...~ ~ ~~~k ~ B ~ J ~E ~~ ~7~ ~~~ ~''i<~ ~~L s~ ~f j~ '~ `~ _.\\Q~e~~'.. _ "°' 8 '^,, J i ~g~ ~ ~l~ ~=-A, ~~1._C; ~7"F ~. O~j 6 , IM lG.~t:G.\.4 ~~ C C B ~~ ~F t d ,..._ ~ ~~ (~` Jd C --' 'G;.,.: ~: ,~•~~~- ~ ~. ~,i ~~ q °p v`e ~ . j i . \N ~ ' >._ ~ O c - o, e o~ ~ s~ ea~ , ec. ~'~`•; ' ~ o „ c , ~ ^'~` r. 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I ~ ({ ,V:/~~~~~ , ?_,~'v.~'~`~'~,-~~~ ~, -~--~~~ ~rZ ~, ~ ~~a~, r <a ~ ~ ~ .~'~ ~~~ -~ - fU;1~~J' ~ ec~-{1;`-_; sy ~' ~ ~ ~'7~^! ?`~ ; c ~~~ ~-~,.~1 ~ \ `- LJ~'r, ~,~'J`rv' , 1 5-~ v.4 ~_.,/// ~~Cr ~.~ ( r ~ ~"'~ ~ ~~ C_=_• ~ ~\ ~) ~ R ~`~ ~ i 1 ) C-f`'Z~-. ~~/ ,..- ~ `' ~i ~s }f.)ii-~-n'~(~, ~.-. ~ l ~ t3c1S~'l' ~ ~ ~ ~J' / ~ - I ~~ ~ S% f`~ ii:.l : 9~ B., )l ~"'G'- `+~~ ' l/ ~; i^` ~ ~ ~ C _ r~ ~`' 2 fll-, i -~>__sc ~~~' - v- ~~` ~ t ~J'__'~,'.hf~ ~ ) ` E~ . sr1 ~ ~~_%~J S -. „ . ~P, `' ~ ~ /~/- ' ~,Tr!~~,~G~~" .~~'~~~ ~~~ ~b 1 ,~-,~~~ -~~~ -: Jl~'1 7~~~ ~-!./~ .~~y ~t~~( ~~ ~'~'j ~. i~ ~ ~~ ~ 1 i.x~ ~ ~ ~ t ~t j~ : ~_~ ~ec ay~~ -~ '~ t !'r i~ , ~ ,;,~ s~7~ ~ l ~ _~~~ ~ I tl 9 .^ c ~ ~~T t r ~C ~{ "~` ~ ~~ ~ \ ~ ~9 ~ 1 ~ . . -7n) ~' j \ ~ y : ~t . - ~J S ~~~~ 1~ fn~.i' I ~~ 1 ~(' I ~-~ 1 '.. ~. ~ 1 ~ i ~ ~ l l ) „ ~ ~,..r.' ~t- .l'i _ ~O ~/ ,;ht~j /~ /D f ~. ~ ~... ~~ . . ' )% 9~'~~rl~ .. y~:. ~~_~:/ "~, ~/ ~s.~. ~=i- F ~,~7~/~ 4~'~ f ~i . ) . ~ I( ^ n~ \ t ~~ ~ 1 ~ ~I C"` ~~v,.~2 ~I`~ 7 ~i~,. . '")-~ L>>~ _!~.'- _~ '~_. _ . ».. _.' '" ___.._ . ._. <S . - i ~ - ~ =.~ ,. a ~ ,. .. _ _ dc ~ ~~c -- --_._- - - ' - ------- . - - - _. ._ ----- . . ..._.. . . . - - ---- - - - ~ -- `- ~ ~ .' ,=Gr'ii~_ I ..:;~ i~ .i_(_ . ~.ci! i:: t . _ -. _.. _., 'c;^_U? ..<?t_,.xC4R• !"' ,~ . ,. . - ~ ..., . ;:6lit:'..:i1. . . . , A4 •i ~ ~ . '~ . ~., C.~ .. ~ . _,~I•~~ ~ . : k. T~~ ~ .. _~-q S{~'ri. .1"J S' ' . .. . . _ _ }::j: Tc' LIMITATIONS: L 100 I, Maximum length = 1000~ 1000 90 2. Maximum areo = 10 Acres 900 80 a 70 ~ H 8OO " V O ao0 6O P o ~ 300 700 ~ > 200 ~ m ~ C V N ~ Q ~ 100 '~ 50 0 ~ 5 600 Q . o .~ r O ,~ ,. ~ n' S 500 " ~I) i 0 ~~ 35 - m w n a - _ K ~ 400 ~ 30 ' Undeveloped '- - Good Cover m 350%" m 25 ~ Undeveloped ° - " 'c , Fair Cover o ' ~ 300 E ; " Undeveloped ~ _. ",c. 20 Poor Cover ,~ i 19 o . p ~ I8 Sinqle FamH ~ . 2~ ~ (I/4 Ac J f6 t o Comrrercial o '- 14 ~P~P~~ d 200 ~ 13 ~- J ~ IZ l2~ // ~ w II ~ 4 . ~~ 2~ _ ~o m e ~ 6 ~ a ~ ~ m z .• •°-' ~ %i.o . o Tc 5 -, / / / 7 -1 ~ C m 8 0 1 m / ~ 9 ~ 10~~ fi) „ ~ d i2~~ 3 `21 .z / m U c d ~ w 0 r o 14 " 15 ~ 16 ~ ~7 E IB ` 19 ~ 20 c 0 c 25 ~ U ° KEY ~ ~~~ E g ~ L-N Tc-K~Tc o F 30 ~ 8./ E EXAMPLE: / t= ~~ (t) l=550~, H=S.O~, K=Single Family(I/4 Ac.) 35 Devebpment , Tc = 12.6 min. ~6 ~~'~~ 100 ~2) ~=550 , H=5.0~, K= Commercial 40 Development , Tc = 9.7 min. 5 4 C~ ~ ~ C.s ~S ~ ~ D }-)YDROLOGY ~/)ANUAL Reference: Bibliagraphy item No. 35. TIRRE OF CONCENTRATIOtd FOR INITIAL SUBAREA ~ PLATE D-3 1.L~ ~ O ~ W ~ v ' W _ U Z ~ ~ ~ V ' Z W 1-- Z ~ ~ Q ~ ~ /`y lL i ' _ _ K m~O~.~~ Ph~OMP ..~~pNh Nf'INPI'1 MNm~10 hpN1`N O~Oh• } pt r~ryOm ~pN~l'IN Nre00~ POI~CV NY1~f• 1'INN.+ OeOPN V OW • ~ ~ • • • • . ~ . . . ~ . . . . . . . . . . . ~ • . 2 .+T ~'IPII'I~N NNNNN NNNN.~ .+~+~+r~+ ~+~+~^~^' ^'~~~~ ti.+.+ W O > J T W O ~ J W C •.-'~TE bPNNP •py1.yl~ •ONOOI ~.pPlOm VIONrm NNOmJ J K O< ~O~NOO O1~F.ON NI~I~PI AINNr.+ OOOT PP00r FI~I~~p~O t LL .~ W ~ • . . . • ~ . ~ • . . ~ ~ • • . • • . • • . • . ~ ~ • > > NNNN .y.~~..+.~ ~rr.n.y ~~.~.y.r .+....~w N U W z a Q O N O 6 r W J W Ff . 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YIONOYI N Cf <'J ~ntitiNr rrr+r~ NNNNN I~II~II~ITI~1 Y~Y11(10 dhh0m ~ ~ J r Y .~ O Z C OhNPO OIIINOO ON~Ih'r 1(1fN1~0 I~fhNl~l~l PON~GO N~I~1~10 ) O! •O~~N ~ppr~O 1f1~I~INN oPmO 1-~pO1(IN •~II+~NN o00 U O W • • • • • • • • ~ • • a • • . < • • • • • • • • • • • • • • • • • • • 2 tiY •~1~1f~111 I~INNNN NNNNN NN~~-~ .v.~.~r r~...~..~r.~ .~~.Y..~.+ W J ~ O yi < W 6 •On.~C ~ph0.n• mqp.~e ~OP~e• oePlOh fP1ed ~o6N~h ° II ¢ o< ml(i1~INe POhrt II1Nf~• l1NN-~ OOP PmOml~ !-n.pi~p O 1i ~+ W • ~ . • s • . • • • J Y N N N N N ti .~ ~+ ~+ ~+ .-~ .. .-r .. ~. .. .+ .+ .n ~. .n .-r .. ~ y < W' a z a o v~ p E ~ W J ~j N~O1~mP YN~• ~(I.p~-mP N<db eNO~Om oNOJ~e V~o oN V~ ^^ i'^ ~~~+ .~+ ~r N N N N N 1~1 I~1 l~l 1~1 I~1 << ~ VI ~O n ~t) M 0 tO az ~Y oz ~ ~ ~ ~ ~ ~ ~ ~ i-JYDR~JL~GY 1~/jANUAL STA,NDARD l~ETENSITY - CURATl,C}~! cuRVES oarA (n PLATE 0-~s.l (4 af 61 ~ d r N ~ ( 2 r Y t ~ -a ~ ~o z aZ ~ n ~ ~~ O ~ ~ U ~ J ~ ~ _~ U ~o ~_ w ~~ ~~ ~~ ~ o ~~y ~ e'; ll~ ~~ ~~ „ ~ ~ p p ~ ~ ~ i 1 ~ ~ ~ ~ ~ 1 ~ 1 , 1 ,~ ~ ~ ~ ~ a T a G O r v o ~ j Y U V • ~ t U U 8 ~ ~4 e ~ u 8 w ~ 0 w ¢ ~ ~ ~ ~ ~. ~ . 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Suite 202 c~ti~ P. o- eo~ aess SCALE F. fi. ~` Anahein;, Caliiomia 92803-3666 (714) 774-1783 LOCATION: s.vc• Cv,C .. G~'d,1 ~ Cf/i4/~X fr /~!'i9G.t<.oT GN. CWNER: ~ SHE[T NO. ~ ~ 6s' R/w TYPICAL SECTION 90 30 20 10 9 e ] 6 5 9 3 2 0.9 O.B 0] 0.6 o.s 09 . . . ~ o ,,. ~s on ve so ao w co ao wo iso zoo aoo aoo soo.soo eoo iooo _ 2 3 < _ 6 B ~O i5 .., 25 30, 40 50 60 80 100 150 20J SOO <00 500 6O0 800 1000 DISCHAR~E-C.F. S. (TOTAL FLOW IN STREET) ~ r ~ ~ ~ ~ ~ ~~ rl~rc~rzo! o~~r i~iJ.-a~u.~;! I ~;~vresioF ccurirv F! o0o conr~oi I nr~e `A'ATEH COt35ERVA.TiON DISTRICT VELOCITY QISCHARGE CURVES COUNTY STANDARD No. 103 44~ ROADYJAY 6~~ 8~ B~~ CURBS ~-- sea. ... ,.., .. ,_., .._ .,.- ----- _...,.~.,....~ .......~ . ----- _. , ~< „ , ~ PLATE D-?.'; ~ .. ~. l ~. ! , ' ' ~ ~ ' EXHLBIT 2 (7/9) I, ~ _,- CHART 3 H ~ io ~ 9 Z B ~ 7 CurO ~ 6 Q ~ ~ ~ ~ wion+ce~ w ' ~ 3 ~ W --~ IENGTM{lp) ~- Q Z P+ 2B+Lp 3 A• AREA OF CLEAR OPEHING IN GRATE Q Tp 4LLOW FCA QDGGING OIVIDE P OR r.. ~~S A BY 2 BEFORE OBT4INING d. ~ WRHOUT CURB P•2(B+Lp) ~ y 4 oa CURVE(8) 1 ~ I ~ I ~ j ~ ~ i ~ i I i ~ ~ I ' I 1 i i i i I ; %~ EEPT~MS WER~GRATE MORE TM4N ~B f'f. W S ~ S 6) 8 910 ~S 20 ~ DISCHARGE ~ER SOUdRE F00T OF EPfECT1VE CIEAR OPENING 08 H W 0.6 W ~ Z - 04 W Q ~ C.~ ~ ~ W > O ~ W F 3 0.~ ~ 0 ~ x ~ a w 0 CURVE ~ ~ i O.I Oi5 02 03 0~ OS Q6 0708091.0 i5 2 3 ~ISCHARGE P£R F00Y OF EFFECTIVE PERIMEfER BUREAU OF PUBUC ROAD5 HYDRAULIC GAPACITY OF G~~1T~ REV. a~,~ ~~e 1~3LET i!V SU(viP -16- /~ ~~i-~ ,~ \O " • + RECEI~Ef~ ~: OR~R I~YJ. .. R-94133-4 ~~L 1 'i998 CITY OF TEMECULA ~~~~~~.PARTMEN~~ C. ~ LZFN. OF DEFAULTID RF}1L PROPEEQY TA7~5 ADID ANY SUBSD~[7ENT DECQ YE~R PARC~S, 1991 914-300-049 1992 914~300-049 1993 914-300-049 1994 914-300-049 A1 .7tII~ BILL "PYPE INSTAI~2TNP Ti4X ANJ~SQT g~ g~ $4,454.48 g~ gd~ $4, 731.50 g~~ g~I4~I $2.845.26 g~p,p,R ~ $2, 850.02 RJ[Il~TI' Tl~ R~'[ F~2: ~ 30, 1998 $9,038.43 D. PRI~ Tt~ TI~E RDOC82DATItN OF SAID N4~P. ALL Q7RRENP ADID ~' ~, BCY~IDi6 PS~II) A~SS~S, IE ANSC, MUST BE PAID. F. IF THE I~P RE~S BEA^iF~T JAN[~RY 1, 1997 AAID SEPIFI+IDEE2 15, 1997, IT inTTr,r. ~ I~ID~RY Z~O PbST A TAX HQ~ID Y7IZfi THE OqfB~fPY OF RIVSE2SII~S, CASEI ~2 S[JRh'TY~ PRIOR ~9 R~ING. PI~A,SE CJ(~TrACT THIS OFFIC~ PRI~t TO SqS~IIZT'II~G SASD BCE~ID. F. 1S~ I,IFN OF' 927P~7AI. TAI~%S, IF ANY. ASSESSID F~7RSCD~Tf 70 11~ PR{7tTISICNS OF SFX.'TICN 75, ET SE7Q- OF Tf~ REVFIV~ ADID TA7Q~ITICN ODDE OF 2i~ STAZE OF f11T.TFC~17A.~ ' ~ 1: AN SASII~3JT F~2 PIaRf.7ts.'.S ~ p,(n7~AR,'fS ATID TnY"rnT3~Tla~i~ PidiPOSES RS RffiERVID By 9(XTlF~Q PACIFIC RAII3tOAD CXY~ANP IN TH6 DEED RD~ N~C 5. 1904 IN BOpK 185 PAC~ 4 OF DF~S. SA1D FASH~I1f CA2~7T BE 7ACA'TID ~2 DELII~A'1~ FR(X~l ~ FF~fJJBI.IC R~. 2. adSTE[~TPS~ CCR~IDxTIQ~I$ Ai~ RES"IRICPICNS (L~I~TINC' R4~R~RL1K ANY RF~'IRICfICB~ IDIDIC'ATING . ANY PRII~, I.IIdTTATICE~7 OR DISCRIl~+TI~A] BASID Ci~7 RACE, ~, RII~IGIGN, SE7L. I~1t~IDICAP, FAMtLIAL STA'IS~ ~t I~41'TICt~4+.L Q2IGIN) IN AN ~.~CII~7T R~FU ~ 6, 1968, AS IIS51Rt~'~TT ND. 119487, OF OFFTCIAL RE70CL2D6. Nk3.iQi PRi7~7II]E 7HAT A VIOIATICN TF~RBDF SHAI,I+ IQ7T I~FSAT OR RII~R II~VALID Ri~ I.~EESI' OF ANY N~ OR DF~{J OF' ZR(JST l~4~DFs IN C~OCO FAITH AL~ID FCJR VAII)E. AN IN5IRLH~NI' ~CLARING A MC~IFIC7~TICN OF SAID CCA1E~41NTu. O:rIDITIQJS pI~ID ggSTRIGTIC~IS N~S R~C~2Dffi JAI~,RX 2, 1969. AS ]Db't'RLN'~' N~. 110, OCPC~ER 2, 1%9, AS INSZStI1~'Q~S7T NO. 101054. ATID ~. 22. 1970, AS IIJSRl~d~7ENNT NO. 128173 ALL OF OFFIC7AL RDOCHiDS. 3. ~,IJ!'IQV N0. 92-388 ~IIQG OCNF'IRNII~TICY~T OF SPDCIAL F~Su~3~J~S ~3Z' PARC~, OF IAi~ WiZHffi 14iC' QXATP! OF RIVFRSIIaE E~2 OJ6T5 OF ABAT~'IENP AL~ID gg~,, pp ~,RDOf~ i~ Itd TFffs AND[NT OF $279_18 ~ AL~. 27, 1992 AS II~T 13J. 320863 0~' OFF'ZQAI, ~. R~ IS NII~.DE TO SAID DCX."C~NT FCEt ESA~L PAtLPtCtII,ARS . 3 ~\