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33848 (2)10 IE j, PRELIMINARY HYDROLOGY & HYDRAULICS FOR TENTATIVE TRACT MAP 33848 LA QUINTA, CALIFORNIA Prepared for: DAVID MAMAN DESIGNS 6541 Hollywood Boulevard, Suite 203 Los Angeles, CA 90028 Prepared by: Vl/arner engineering CML ENGINEERING / PLANNING / LAND SURVEYING YUCCA VALLEY ♦ PALM DESERT Prepared under the supervision of.- October, 2007 W.O. 0505 -023C De Dafe J Uwe � T *HYDROLOGY & HYDRAULICS TENTATIVE TRACT MAP 33848 OCT 5, 2007 TABLE OF CONTENTS Introduction..........................................................:.............:.. .....:......................... 3 Description............................................................................ ............................ .... 3 Regional Hydrologic Conditions ................................... ............................ ............ 3 Methodology.........................:................................................ ............................... 3 Hydrology & Hydraulics Summary ......................................... ............................... 4 RetentionVolumes .................................................................. ............................... 4 Conclusion..........................................................................:.. ............................... 5 Appendix A Vicinitymap ............................................................................ ............................... 7 100 -yr Developed Rational Method Analysis, South Area ...... ............................... 8 -10 100 -yr Developed Rational Method Analysis, North Area ...... ............................... 11 -12 100 -yr, 1 -hr Developed Unit Hydrographs Analysis ............... ............................... 13 -15 100 -yr, 3 -hr Developed Unit Hydrographs Analysis .................. ....... 16 -19 100 -yr, 6 =hr Developed Unit Hydrographs Analysis ............... ............................... 20 -24 100 -yr, 24 -hr Developed Unit Hydrographs Analysis ............. ............................... 24 -36 Page 2 of 4 `HYDROLOGY & HYDRAULICS TENTATIVE TRACT MAP 33848 OCT 5, 2007 INTRODUCTION The project site is located on the south side of Avenue 58, west of Monroe Street in the City of La Quinta (APN 764 - 180 -003) as shown on the Vicinity Map in the Appendix. The site currently contains a date palm grove, similar to.the properties to the east and west. The area to the south. is undeveloped vacant ground. The area to the north, on the other side of Avenue 58, is a developed single family residential area (Tract 30092). DESCRIPTION The 4.8 -acre site is to be developed as single family residential detached homes. The proposed development contains 12 quarter -acre lots and three storm retention basin lots. REGIONAL HYDROLOGIC CONDITIONS The site is located in a Zone "C" according to the most current FEMA map, Community Panel 0602452300 D. This zone designation is defined as "areas of minimal flooding ". METHODOLOGY Criteria for this study were based on the Hydrology Manual of the Riverside County Flood Control and Water Conservation District (RCFC & WCD), and the City of La Quinta Engineering Bulletin #06 -16. The rational method was used to determine flows for sizing drainage facilities. The unit hydrograph was used to determine flood volumes for sizing retention basin. The flood hydrograph was used to route flows through the basins to account for infiltration. The calculations were performed using the CIVILDESIGN /CIVILCADD "Riverside County Rational'Hydrology Program ", a computer software program developed by Joseph E. Bonadiman and Associates Incorporated, which perform the calculations in accordance with RCFC & WCD criteria. HYDROLOGY & HYDRAULICS SUMMARY The site will be designed to drain to a proposed retention basin located in the northeast corner of the site. The yr cfs. o rom the Avenue 58 frontage of the site will also be retained on the site, south f the 25 foot landscape setback. . , Page 3 of 4 t1YDROLOGY & HYDRAULICS TENTATIVE TRACT MAP 33848 OCT 5, 2007 RETENTION VOLUMES The volume of storm water discharge for the 100 -yr frequency storm, for 1 -hr, 3 =hr, 6 -hr and 24 -hr durations for the total retention basin requirements, as shown on the Drainage exhibit, are in the summary table below. The amount of storm water that must be retained on -site is 100% of the 100 -yr developed condition storm, which amounts to 35,867 cubic feet or 0.823 acre -feet. RETENTION VOLUME SUMMARY 100 YR- SOUTH ` SOUTH: 'DURATION VOLUME 'VOLUME h7y C.41:Fr `. :SAC OT 3. 35,,257 -.0.8.09 6 35;867 0:823 24- 34 373 Q.789 .. CONCLUSIONS The storm water will be retained with the use of the a retention basin located in the northeast corner of the site. The total available storage excluding percolation is. approximately 36,000 cubic feet, which is greater than the required storage. The basin will include a drywell to mitigate nuisance water. Page 4 of 4 PROJECT SITE urcnrsrr M.AP (No Ste) nHoW BROWS GUIDE 2003 MmoN PAGE 5591, ADORD/HA1E5 B3 M. 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T , wq. a < w ,w.J;, £,�•i t 'itt'+e °��' i cJC�..1`' i• .. .; t �+,�} �`�,� �;.aa4y,�f'ESc.a.., ^,�^ �" au pl�� gip•_ 'JE; k 4' / y1 w za"- y Y Le Ad � ,- `0►..�.t51- -... +c,. � .i � is _ �� - i N - � ES y ��,T?�,4 .� ,�{ r : d p� � 16ty boondary Manholes .t -�i , ; '1�:'�•� - .rV"', = a .., .t p••4 . `s 1- t'° Ti r4„ YS,iit w�',e Y°•c:. i� � i "ti-t •�`\ �4'� w1.+'t �.�.�... •tt : �• t e Axyt+!. 1.ak". �.1''.- Iy,•itC .. t...��. . y�t't�, J Y t vim .•',t" ' w ��• „� �1 �..� `a ��,T -�`' -` rlas�St.�+c �t rY`r,'r1.: t ' ¢e �} f�! t y Bo City •!yU,,tC �_ �,� w:la3 ..y�T` ., t • -, e`� :� +.,. .F.. �14.��'V3,5.1.�4 :�� ' k ;Y�� "td�'"'...�ic.�':r.,4. -t:. . ,-�r :IGyC t' natiraae. / / Drainage • 1 Riverside County Rational Hydrology Program CIVILCADD /CIVILDESIGN Engineering Software,(c) 1989 - 2001 Version 6.4 Rational Hydrology Study Date: 0.8/10/07 File:0505023ra100post.out ------------------------------------------------------------------ - - - - -- rational analysis for area -1, 100yr post development * * * * * * * ** ^ Hydrology Study Control Information * * * * * * * * ** English (in -lb) Units used in input data file Warner Engineering, Yucca Valley, CA - SIN 598 Rational Method Hydrology Program based on Riverside County Flood Control & Water Conservation District 1978 hydrology manual Storm event (year) = 100.00 Antecedent Moisture Condition = 2 Standard intensity- duration curves data (Plate D -4.1) For the [ Cathedral City ] area used: 10 year storm 10 minute intensity = 2.770(In /Hr) 10 year storm 60 minute intensity = 0.980(In /Hr) 100 year storm 10 minute intensity = 4.520(In /Hr) 100 year storm 60 minute intensity = 1.600(In /Hr) Storm event year = 100.0 Calculated rainfall intensity data: 1 hour intensity = 1.600(ln /Hr) Slope of intensity duration curve = 0_5800 ++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + -F + + ++ Process from Point /Station 1.000 to Point /Station ?_.000 * * ** INITIAL AREA EVALUATION * * ** Initial area flow distance = 280.000(Ft.) Top (of initial area) elevation = 438.600(Ft.) Bottom (of initial area) elevation = 436.900(Ft.) Difference in elevation = 1.700(Ft.) Slope = 0.00607 s(percent)= 0.61 TC = k (0.300) *[(length ^3) /(elevation change)] ^0_.2 Initial area time of concentration = 7.931 min. Rainfall intensity = 5.174(In /Hr) for a 100.0 year storm. COMMERCIAL subarea type Runoff Coefficient = 0.885 Decimal fraction soil group A = 0:000 Decimal fraction soil group B 1.000 Decimal fraction soil group C = 0.000 Decimal fraction soil group D = 0.000 RI index for soil(AMC 2) = 56.00/ Pervious area fraction = 0.100; Impervious fraction = 0.900 initial subarea runoff = 2.335(CFS) Total initial stream area = 0.510(Ac.) Pervious area fraction = 0.100 End of computations, total study area = 0.51 (Ac.) The following figures may be used for a unit hydrograph study of the same area. Area averaged pervious area fraction(Ap) = 0.100 Area.averaged RI index number = 56.0 Riverside County Rational Hydrology Program CIVILCADD /CIVILDESIGN Engineering Software, (c) 1989 - 2001 Version 6.4 Rational Hydrology Study Date: 08/10/07 File:0505023raa2100post81.0.out rational analysis for area -2, 100yr post development * * * * * * * ** Hydrology Study Control Information ** * * * * * * ** English (in -lb) Units used in input data file Warner Engineering, Yucca Valley, CA - S/N 598 Rational Method Hydrology Program based on Riverside County Flood Control & Water Conservation District 1978 hydrology manual Storm event (year) ==n 100.00 Antecedent Moisture Condition = 2 Standard intensity- duration curves data (Plate D -4.1) For the [ Cathedral City ) area used. 10 year storm 10 minute intensity = 2.770(In /Hr) 10 year storm 60 minute intensity = 0.980(In /Hr) 100 year storm 10 minute intensity = 4.520(In /lir) 100 year storm 60 minute intensity = 1.600(In /Hr) Storm event year = 100.0 Calculated rainfall intensity data: 1 hour intensity = 1.600(In /Hr)' Slope of intensity duration curve = 0.5800 +++++++++++- E++++++-!•++++++++++++++++++++ + + + + + + ++ + ++ + + + + + + + + + +... + + + + + +1 Process from Point /Station 3.000'to Point /Station' 4.000 * * ** INITIAL AREA EVALUATION * * ** Initial area flow distance = 190.000(Ft.) Top (of initial area) elevation = 438.600(Ft.) Bottom (of initial area) elevation = 434.500(Ft.) Difference in elevation = 4.100(Ft.) Slope = 0.02158 s(percent)= 2.16 TC = k(0.390) *[(length ^3) /(elevation change)] ^0.2 Initial area time of concentration = 6.851 min. Rainfall intensity 5.633(In /Hr) for a 100.0 year storm SINGLE FAMILY (1/4 Acre Lot) Runoff Coefficient = 0.829 Decimal fraction soil group A = 0.000 Decimal fraction soil group B = 1.000 Decimal fraction soil group C = 0.000 Decimal fraction soil group D = '0.000 RI index for soil(AMC 2)' = 56.00 Pervious area fraction. = 0.500; Impervious fraction = 0.500 Initial subarea runoff = 6.681(CFS) Total initial stream area = 1,430(Ac.) Pervious area fraction = 0.500 End of computations, total study area = 1.43 (Ac.) The following figures may be used for a unit hydrograph study of the same area. Area averaged pervious area fraction(Ap) = 0.500 Area averaged RI index number = 56.0 Riverside County Rational Hydrology Program CIVILCADD /CIVILDESIGN Engineering Software,(c) 1989 - 2001 Version 6.4. Rational Hydrology Study Date: 08/10/01 File:0505023raa310Opost.out ------------------------ -----=-------------- --------------------------- rational anal.ysis.for area -3, 100yr post development Hydrology Study Control Information * * * * * * * * ** English (in -lb) Units used in input data file Warner Enginelering, Yucca Valley, CA - SIN 598 Rational Method Hydrology Program based on Riverside County Flood Control & Water Conservation District 1978 hydrology manual Storm event (year) = 100.00.Antecedent Moisture Condition = 2 Standard intensity - duration curves data (Plate D -4.1) For the [ Cathedral City ) area used. 10 year storm 10 minute intensity = 2.770(In /Hr) 10 year storm 60 minute intensity = 0.980(In /Hr) 100 year storm 10 minute intensity = 4.520(ln /Hr) 100 year storm 60 minute intensity = 1.600(In /Hr) Storm event year = 100.0 Calculated rainfall intensity data: 1 hour intensity =. 1.600(ln /Hr) Slope of intensity duration curve = 0.5800 I +++++++++++++++++++++++++++++++++++±++++ + +....V. + + + + +t + + + + + + + + + + + +..... Process from Point/Station 3.000 to Point /Station 5.000 * * ** INITIAL AREA EVALUATION * * ** Initial area flow distance = 330.000(Ft.) Top (of initial area) elevation = 438.600(Ft.) Bottom (of initial area) elevation = 434:100(Ft.) Difference in.elevation 4.500(Ft,) Slope = 0.01364 s(percent)= 1.36 TC = k(0 .390) *j(l.ength ^3)f(elevation change)) ^0.2 Initial area time of concentration = 9.365 min. Rainfall intensity — 4.699(In /Hr) for a 100.0 year storm SINGLE FAMILY (1/4 Acre Lot) _ Runoff Coefficient = 0:.818 Decimal fraction soil group A = 0.000 Decimal fraction soil group B = 1.000 Decimal fraction soil group C = 0.000 Decimal fraction soil group D = 0.000 RI index for soil(AMC 2) 56.00 Pervious area fraction = 0.500; Impervious fraction = 0.500 Initial subarea runoff = 11.145(CFS) Total initial stream area = 2.900(Ac.) Pervious area fraction = 0.500 End of computations, total study area = 2.90 (Ac.) The following figures may be used for a unit hydrograph study of the same area. Area averaged pervious area fraction(Ap) = 0.500 Area averaged RI index number = 56.0 W. U n i t H y d r o g r a. p h A, n a 1 Y s i s Copyright (c) CIVILCADD/CIVILDESIGN, 1989 - 1999, Version 6.0 Study date 08/06/07 File: T336.48ulhyd1100. Out. + ++ + + + + ++ A-+4-+++4 . ++ + + + + + + ++ +i . . . . . . . t + + + + +++ ++ + +4• + + +++ 4 .. . t+ + + ++ ++ + ++ A- + + + ++ Riverside County Synthetic Unit Hydrology Method RCFC &*WCD Manual date - April 1978 Warner Engineering, Yucca Valley, CA - S/N 598 ----------- English (in-lbj input Units Used .English Rainfall Data (Inches) Input Values Used. English Units used in output format -7 - - - --- - - - - - - - - - TENTATIVE TRACK MAP 33848 RETENTION VOLUME CALCULATIONS 100-YRI 1 -HR DEVELOPED CONDITIONS, SOUTH END 0505 -023C AUG.6,2007 -------------- 2- (A r? '50. 00,(Ft 8e . Ou 0.008 Sq. Mi. .Drainage Area 4.82-.( 04 Length aldnIg longest wqa(tor .9urse: 7. L engt.4 along :longest watercourse measured -to. centroid 370.00(Ft.). L . en . 9th along longest ' watercourse 0.142 Mi ng * * 1 ' *t- centroid 0.070 Mi. Length along :0 ' 'e.st. ...0ater-.0purse measured o blftetefi?ce 'Slope along , , watercourse; Average Mannkri!.'--s: 0-020 Lag time = 0.044 Hr. Lag time = 2.64 Min. 25% of lag time = 0.66 Min 400 of lag time = - 1.05 Min. Unit time = 5.00 Min. Duration of storm = 1 Hour(s) User Entered Base Flow = 0.00(CFS) 2 YEAR Area rainfall data: Area(Ac.)[1] Rainfall (In) [ 2) Weighting[1*2] 4.82 0.50 2.41 .... . ..... ... . ... - .... .... ... ........... ...... . ... 100 YEAR Area rainfall data: Area (Ac. )[13 Rainfall(In)[2] Weighting[1*2] 4.82 1.90 9. . 16 Page 1 of 3 MAMAN TTM3384Q RETENTION VOLUME 100- YR,1- RR,DEVELOPED, SOUTR END 0505 -023C AUG.6,2007 STORM EVENT (YEAR) = 100.00 Area Averaged 2 -Year Rainfall = 0.500(In) Area Averaged 100 -Year Rainfall- 1.900(In) Point rain (area averaged) = 1.9.00(in) Areal adjustment factor = 100.00 e Adjusted average point rain = 1.900(In). -Area Data: Area (Ac .) Runoff Index Impervious 4.820 56.00 0.523 Total Area Entered = 4.82(Ac..) RI RI Infil. Rate Impervious AMC2 AMC -3 (In /Hr) (Dec.%) 56 .'0 74.8 0.305 0.523 Adj, Infil. Rate Area% F (In /Hr) (Dec.) (In /Hr) 0.162 1.000 0.162 Sum (F) _ 0.162 Area averaged mean soil loss (F) (In /Hr). = U.lea Minimum soil loss rate ((In /Hr)) = 0.081 (for 24 .hour storm duration) Soil low loss rate (decimal) = 0.480 Slope of intensity - duration curve for a 1 hour storm = 0.5800 Page 2 of 3 U n i t H y d r o g r a p h DESERT S -Curve - Unit Hydrograph Data ------------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS) ------------------------------------------------- 1 0.083 189.586 40.268. 1.956 2 0.167 379.173 46.289 2.249 3 0.250 568.759 9.441 0.459 4 0.333 758.345 3.017 0.147 5 0.417 947.932 0.984 0.048 Sus-n. = 100.000 Sum= 4.858 Unit Time Pattern Storm Rain Loss rate(In. /Hr) Effective (Hr.) Percent (In /Hr) Max Low (In /Hr) 1 0.08 3.60 0.821 0.162 - -- 0.66 2 0.17 4.20 0.958 0.162 - -- 0.80 3 0.25 4.40 1.003 0.162` - -- 0.84 4 0.33 4.60 1.049 0.162 - -- 0.89 5 0.42 5.00 1.140 0.162 - -- 0.98 6 0.50 5.60 1.277 0.162 - -- 1.12 7 0.58 6.40 1.459 0.162 - -- 1.30 8 0.67 8.10 1.847 0.162 - -- 1.69 9 0.75 13.10 2.987 0.162 - -- 2.83 Page 2 of 3 NUANAN TTM33848 RETENTION VOLUME 100- YR,1.- HR,DEVF.LOPED, SOUTH END 0505 -023C AUG.6,2007 10 0.83 34.50 7.866 0.162 - -- 7.70 11 0.92 6.70 1.528 0.162 - -- 1.37 12 1.00 3'.80 0.866 0.162 - -- 0.70 Siam = 100.0 Sum = 20.9 Flood volume = Effective rainfall 1.74(In) times area 4.8(Ac.) /[(In) /(Ft.)] = 0.7(Ac.Ft) Total soil loss = 0.16(In) Total soil loss = 0.065(Ac.Ft) Total rainfall = 1.90(In) Flood volume = 30,414.2 Cubic Feet Total soil loss = 2827.9 Cubic Feet --------------------------------------------------- Peak flow rate of this hydrograph = 22.450(CFS) --------------------------------------------------- +++++++++++++++.+++++++++++++ 7+++++++++ + ++ ++ + + + ++ +-I' + + +++ + + ++ ++ + ++ + ++ 1- H 0 U R. S T 0 R M R u n o f f H y d r o g r a p h --------------------- ------------------------------------------------ Hydrograph in 5 Minute intervals ((CFS)) --------- Time(h+m) - ------------------------ Volume Ac.Ft - ------- -------------------------- Q(CFS) 0 7.5 15.0 22.5 30.0 ---------------------------------------------------- 0+ 5 0.0089 1.29 VQ ( I I 0+10 0.0298 3.04 IV Q 0 +15 0.0556 3.74 ( VQ, 0 +20 0.0838 4.09 ( VQ I I I 0 +25 0.1144 4.44 ( QV { I '0 +30 0.1485 4.95 Q V. l I 0 +35 0.1875 5.67 I Q V I I I 0 +40 0.2351 6.91 ( QI V 0+45 0.3049 10.13 ( 1 Q V( I I 0 +50 0.4595 22.45 ( I I V Q•I I 0+55 0.6083 21.61 ( 1 I` Q. I V I. 1+ 0 0.6667 8.48 ( IQ I I U I 1+ 5 0.6907 3.48 .I Q. .1 I I: VI 1 +10 0.6968 0.89 IQ I I, I VI 1 +15 0.6980 0.17 Q I I. VI 1 +20 ------------------------------------------ 0.6982 0.03 Q ( ) I - - - - -- ----------------- - - - - V =- Page 3 of 3 U n i t H y d r o g .r a. p h A•n a 1 y s i s Copyright (c) CIVILCADD /CIVILDESIGN, 1989 - 1999, Version 6.0 Study date 08/06/07 File: T33848uihyd3100.out + +i• ++ + + + + ++ ++-1- ++ ++i ++ + ++i + 1 +++++++++++++++++++ i- -;--1- ++t+ ++-1-...+ ++ + ++ ++ ++ + ++ Riverside County Synthetic Unit Hydrology Method RCFC.& WCD Manual date - April 1978 Warner Engineering, Yucca Valley, CA - S/N 598 English (in -lb) Input Units Used English Rainfall Data (Inches) Input Values Used, English Units used in output format TENTATIVE TRACK MAP 33848 RETENTION VOLUME CALCULATIONS 100 -YR, 3 -HR DEVELOPED CONDITIONS, SOUTH END 0505 -023C AUG.6,2007 ------------------------------------------------------- 5iai'ia; Area 9: 8`2:(Ac: ) 0..008<'Sq. Ni ; Length Along longest watercourse 75;0 00(•Ft L.erigth.al.6ngv longest watercourse measured: to centrozd 370.00(Ft.) -Length along .' long est watercourse: 0. -142 .Mx Length al6ncj. longest watercourse.measured,to centroid =. 0.070 Mi. Difference in elevation = 4..TO(Ft..j Slope -along Hratercourse. _ 2,8:'8;6.40 Ft. /Mi Average Manning's 'N' = 0.020 Lag time = 0.044 Hr. Lag time = 2.64 Min. 250 of lag time = 0.66 Min. 40% of lag time = 1.05 Min... Unit time = 5.00 Min. Duration of storm = 3 Hour(s) User Entered Base Flow = 0.00(CFS) 2 YEAR Area rainfall data: Area(Ac.)[1] Rainfall(In)[2] 4.82 0.70 100 YEAR Area rainfall data: Area(Ac.)[1] 4.62 Rainfall (In) [2] 2.50 Weighting[l *2] 3.37 Weighting [1 *2] 12.05 Page 1 of 4 } MAMAN TTM33848 RETENTION VOLUME CALCULATIONS 100 -YR, 3 -HR DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 STORM EVENT (YEAR) = 100.00 Area Averaged 2 -Year Rainfall = 0.700(In) Area Averaged 100 -Year Rainfall = 2.500(In) Point rain (area averaged) = 2.500(ln) Areal adjustment factor = 100.00 % Adjusted average point rain = 2.500(In) Sub -Area Data: Area(Ac.) Runoff Index Impervious 9; 4.820 56.00 0.523 . Total Area Entered = 4.82(Ac.) RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F AMC 2 AMC -3 (In /Hr) (Dec.%) (In /Hr) (Dec.) (I.162 56.0 74.8 0.305 0.523 0.162 O 0 1's.000 m(F) = 06162 Area averaged mean soil loss (F) (In /Hr) = 0.162 Minimum soil loss rate ((In /Hr)) = 0.081 (for 24 hour storm duration) Soil low loss rate ----=------------------------------------------ (decimal) = 0.480 U n i t H y d r o g r a p h DESERT S -Curve 7 --------------------------------------------------------------- Unit Hydrograph Data =---------------------------------- Unit time period Time % of lag Distribution Unit Hydr graph (hrs) Graph % - -- - -- -- - - - 1 0:083 - - -- ------ 189.586 - - - 40.268 1.956 2 0.167 379.173 46.289 2.249 3 0.250 568.759 9.441 0.459 4 0.333 .758.345 3.017 0.147 5 0.417 947.932 0.984 0.048 Sum = 100.000 Sum= 4.858 Unit Time Pattern Storm Rain. Loss rate(In. /Hr) Effective (In /Hr) (Hr.) Percent (In /Hr) Max Low 0.23 1 0.08 1.30 0.390 0.162 - -- 0.23 2 0.17 1.30 0.390 0.162 - -- 0.17 3 0.25 1.10 0.330 0:162 - -- 0.29 4 0.33 1.50 0.450 0..162 - -- 0.29 5 0.42 1.50 0.450 0.162 - -- 6 0.50 1.80 0.540 0.162 - 0.29 7 0.58 1.50 0.450 0.162 - -- 0.38 8 0.67 1.80 0.540 0.162 - -- 0.38 9 0.75 1.80 0.540 0.162 - -- 0.29 10 0.83 1.50 0.450 0.162 - -- Page 2 of 4 KAMAN TT1433848 RETENTION VOLUME CALCULATIONS ' 100 -YR, 3 -HR DEVELOPED, SOUTH ENO 0505 -0230 AUG.6,2007 11 0.92 1.60 0.480 0.162 - -- 0.32 12 1.00 1.80 0.540 0.162 - -- 0.38 13 1.08 2.20 0.660 0.1.62 - -- 0.50 14 1.17 2.20 0.660 0.162 - -- 0.50 15 1.25 2.20 0.660 0.162 - -- 0.50 16 1.33 2.00 0.600 0.162 - -- 0.44 17 1.42 2.60 0.780 0.162 - -- 0.62 18 1.50 2.70 0.810 0.162 - -- 0.65 19 1.58 2.40 0.720 0.162 - -- 0.56 20 1.67 2.10 0.810 0.162 - -- 0.65 21 1.75 3.30 0.990 0.162 - -- 0.83 22 1.83 3.10 0.930 0.162 - -- 0.77 23 1.92 2.90 0.870 0.162 - -- 0.71 24 2.00 3.00 - 0.900 0.162 - -- 0.74 25 2.08 3.10 0.930 0.162 - -- 0.77 26 2.17 4.20 1.260 0.162 - -- 1.10 27 2.25 5.00 1.500 0.162 - -- 1.34 28 2.33 3.50 1.050 0.162 - -- 0.89 29 2.42 6.80 2.040 0.162 - -- 1.88 30 2.50 7.30 2.19.0 0.162 - -- 2.03 31 2.58 8.20 2.460 0.162 - -- 2.30 32 2.67 5.90 1.770 0.162 - -- 1.61 33 2.75 2.00 0.600 0.162 - -- 0.44 34 2.83 1.80 0.540 0.162 - -- 0.38 35 2.92 1.80 0.540 0.162 - -- 0.38 36 3.00 0.60 0.180 0.162 - -- 0.02 Sum = 100.0 Sum = 24.2 Flood volume = Effective rainfall 2.02(In) times area 4.8(Ac.) /[(In) /(Ft.)] = 0.8(Ac.Ft) Total soil loss = 0.48(In) Total soil loss = 0.195(Ac.Ft) Total rainfall = 2.50(In) Flood volume = 35,256.8 Cubic Feet Total soil loss = 8483.8 Cubic Feet ---==-------------------------------------------------------- Peak flow rate of this hydrograpti = 10.117(CFS) -------------------------------------------------------------- +++++++++++++++• f++++++++++++++++++++++ + + + + + + + + + + + ++ + ++ + + + + + + + +•H + + + ++ 3 - H O U R S T.0 R M R u n o f f H y d r o g r a p h -------------------------------------------------------------- Hydrograph in 5 Minute intervals ((CFS)) ---------------------------------------------------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 5.0 10.0 15.0 20.0 --------------------------------------------------------- 0+ 5 0.0031 0.45 Q 0 +10 0.0097 0.96 VQ 1 (. 0 +15 0.0162 0.95 VQ ( I 0 +20 0.0237 1.08 ►VQ I h 1 0 +25 .0.0329 1.33 1VQ 0 +30 0.0436 1.56 1 VQ 0 +35 0.0546 1.60 1 VQ I a I 1 0 +40 0.0657 1.62 1 Q I L Page 3 of 4 MAMAN TTM33848 RETENTION VOLUME CALCULATIONS 100 -YR, 3 -HR DEVELOPED, SOUTH ENC 0505 -0230 AUG.6,2007 0 +45 0.0781 1.79 I Q ( 1 I I 0 +50 0.0895 1.65 1 QV 0 +55 0.0999 1.51 1 QV ( ) I 1+ 0 0.1113 1.66 1 Q V { I I { 1+ 5 0.1253 2.03 1 Q V I I I I 1 +10 0.1414 2.33 1 Q V ( I 1 +15 0.1579 2.40 { Q V 1 +20 0.1737 2.30 1 Q V 1 +25 0.1911 2.52 1 Q VI 1 +36 0.2115 2.96 { Q V 1 I. 1 +35 0.2316 2.92 { Q IV 1 +40 0.2518 2.93 1 Q I V [ I. 1 +45 0.2756 3.46 I Q 1 V_ 0.3017- 3.78 I Q (. V l I I 1155 .- 2+ '0. '0:351:0. 2+ 5 0. 37 61 3 °.6.9 I. I V d I I 2 +10 0.40;61 4.,:36 ...�6 1 Q, I 2 +15 0x.44;45 5:: i58 I. ( Q 2:a 0, 4.817 5-401 Q I V t I. -2Q 2 +25 0.5264 6.49 I 1 Q I V I. 2 +30 0.5874 8.85 { I Q I V`1 2 +35 0.6570 10.12 i I Q V I. 2 +40 0. ?229 9.57 1 ( QI i V I 2 +45 0.7637 5.92 I IQ I I V I 2 +50 0.7837 2.90 { Q { I I V I VI 2 +55 0.7984 2.14 ( Q I. V1 3+ 0 0.8067 1.20 V .Q ( I I VI 3+ 5 0.8087 0.29 Q I I I V.I 3 +10 0.8092 0.08 Q I I V{ 3 +15 0.8094 0.02 Q ). VI 3 +20 ----------------- 0.8094 --------------------- 0.00 Q I I Page 4 'of 4 U n i t H y d. r o g r a p h A n a l y s i s Copyright (c) CIVILCADD /CIVILDESIGN, 1989 - 1999, Version 6.0 Study date 08 /06/07 File: T33848ulhyd6100.out +q..-t ;"=+'+" F'++++' F' + +.4-+ +++ ++ + ++4....'+""+"+' ++ +"i ++ +'i"+. + +i" +++ +"F"f •i"'{ + + + +i-++ + +i +� +t +- Riverside County Synthetic Unit Hydrology Method RCFC & WCD Manual date - April 1978 Warner Engineering, Yucca Valley, CA - SIN 598 English (in -lb� Input Units Used English Rainfall Data.(Inches) Input Values Used. English Units used in. output format ---------------------------- TENTATIVE TRACK MAP 33848 RETENTION VOLUME CALCULATIONS 100-YR, 6 -HR DEVELOPED CONDITIONS, SOUTH END 0505 -023C AUG.6,2007 Drai'.nage Area = 9 .,8.2 (Ac., } - 0.0.0:8: Sq. Mi. .Length along ]:ongest watercourse = 75:0:0.0(Ft.) Leng "tka along' longest . watercourse measured to centroid 370.00 (Ft. ) 'Length along longest watercourse = 0.142 M,i. Length along hongest watercourse measured to;. centroid 0.070 Mi. Dif:ferehce:in elevation = 4: 1.0 (Et::). Slope aiong watercourse Average Manning's 'N' = 0.020 Lag time = 0.044.Hr. Lag time = 2.64 Min. 25% of lag time'= 0.66 Min. 40% of lag time = 1:05 Min. Unit time = 5.00 Min. Duration of storm = 6 Hour(s) User Entered Base Flow = 0.00(CFS) 2 YEAR Area rainfall data: Area(Ac.)[13 Rainfall(In)[23 4.82 0.80 100 YEAR Area rainfall data: Area(Ac.)[13 Rainfall(In)[23 4.82 3.00 Weighting(1 *23 3.86 Weighting[1 *2] 14.46 Page I of 5 MW5AN TTM33848 RETENTION VOLUME CALCULATIONS 100 -YR, 6 -HR DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 STORM EVENT (YEAR) = '100.00. Area Averaged 2 -Year Rainfall = 0.800(In) Area Averaged 100 -Year Rainfall.= 3.000(In) Point rain (area averaged) = 3.000(In) Areal adjustment factor = 100.00 % Adjusted average point rain = 3.000(In) Sub -Area Data: Area(Ac.) Runoff Index Impervious % 4.820 56.00 0.523 Total Area Entered =. 4.82(Ac.) RI RI Infil. Rate. Impervious Adj. Infil. Rate Area% F AMC2 AMC -3 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr) 56.0 74.8 0.305 0.523 .0.162 1.000 0.162 Sum (F) = 0.162 Area averaged mean soil loss (F) (In /Hr) = 0.162 Minimum soil loss rate ((In /Hr)) = 0.081 (for 24 hour storm duration) Soil low loss rate (decimal) = -----------------------------------=----------------- 0.480 U n i t H y d r o g r a p h DESERT S =Curve ----------------------------------------------------- Unit Hydrograph Data ----------------=----------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS) ---------------------------------------------------- 1 0.083 189.586 40.•268 1.956 2 0.167 379.173 46.289 2.249 3 0.250 568.759 9.441 0.459 4 0.333 758.345 3.017 0.147 5 0.417 947.932 0.984 0.048 Sum = 100.000 Sum= 4.858 Unit Time Pattern Storm Rain Loss rate(In. /Hr)' Effective (Hr.) Percent (In /Hr) Max Low (In /Hr) 1 0.08 0.50 0.180 0.162 - -- 0.02 2 0.17 0.60 0.216 0.162 - -- 0..05 3 0.25 0.60 0.216 0.162 - -- 0.05 4 0.33 0.60 0.216 0.162 - -- 0.05 5 0.42 0.60 0.216 0.162 - -- 0'.05 6 0.50 0.70 0.252 0.162 - -- 0.09 7 0.58 0.70 0.252 0.162 - -- 0.09 8 0.67 0.70 0.252 0.162 - -- 0.09 ' 9 0.75 0.70 0.252 0.162 - -- 0.09 10 0.83 0.70 0.252 0.162 - -- 0.09 Page 2 of 5 MAMAN TTM33648 RETENTION VOLUME CALCULATIO14S 100 -YR, 6 -HR DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 11 0.92 0.70 0.252 0.162 - - 0.09 12 1.00 0.80 0.288 0.162 - -- 0.13 13 1.08 0.80 0.288 0.162 - -- 0.13 14 1.17 0.80 0.266 0.162 - -- 0.13 15 1.25 0.80 0.288 0.162 - -- 0.13 16 1.33 0.80 0.288 0.162 - -- 0.13 17 1.42 0.80 0.288 0.162 - -- 0.13 18 1.50 0.80 0.288 0.162 - -- 0.13 19 1.5B 0.80 0.288 0.162 - -- 0.13 20 1.67 0.80 0.288 0.162 - -- 0.13 21 1.75 0.80 0.288 0.162 - -- 0.13 22 1.83 0.80 0.288 0.162 - -- 0.13 23 1.92 0.80 0.288 0.162 - -- 0.13 2'4 2.00 0.90 - 0.324 0.162 - -- 0.16 25 2.0B 0.80 0.288 0.162 - -- 0.13 26 2.17 0.90 0.324 0.162 - -- 0.16 27 2.25 0.90 0.324 0.162 - - -• 0.16 . 28 2.33 0.90 0.324 0.162 - -- 0.16 29 2.42 0.90 0.324 0.162 - -- 0.16' 30 2.50 0.90 0.324 0.162 - -- 0.16 31 2.58. 0.90 0.324 0.162 - -- 0.16 32 2.67 0.90 0.324 0.162 - -- 0.16 33 2.75 1.00 0.360 0.162 - -- 0.20 34 2.83 1.00 0.360 0.162 - -- 0.20 35 2.92 1.00 0.360 0.162 - -- 0.20 36 1.00 0.360 0.162 - -- 0.20 37 .3.00. 3.08 1:00 0.360 0..162 - -- 0.20 38 3.17 1.10 0.396 0.162 - -- 0.23 39 3.25 1.10 0.396 0.162 - -- 0.23 . 40 3.33 1.10 0.396 0.162 --- 0.23 41 3.42 1.20 0.432 0.162 - -- 0.27 42 3.50 1.30 0.468 0.162 - -- 0.31 43 3.58 1.40 0.504 0.162 - -- 0.34 44 3.67 1.40 0.504 0.162 - -- 0.34 45 3.75 1.50 0..540 0.162 - -- 0.38 46 3.83 1.50 0.540 0.162 - -- 0.38 47 3.92 1.60 0.576 0.162 - -- 0.41 48 4.00 1.60 0.576 0.162 - -- 0.41 49 4.08 1.70 0.612 0.162 - -- 0.45 •50 4.17 1.80 0.648 0.162 - -- 0.49 51 4.25 1.90 0.684 0.162 - -- 0.52 52 4.33 2.00 0.720 0.162 - -- 0:56 53 4.42. 2.10 0.7 6 0.162 - -- 0.59 54 4.50 '2.10 0.756 0.162 - -- 0.59 55 4.58 2.20 0.792 '0..162 - -- 0.63 56 4.67 2.30 0.828 0.162 - -- 0.67 57 4..75 2,40 0.864 0.162 - -- 0.70 58 4.83 2.40 0.864 0.162 - -- 0.70 59 4.92 2.50 0.900 0.162 - -- 0.74 60 5.00 2.60 0.936 0.162 - -- 0.77 61 5.08 3.10 1.116 0.162 - -- 0.95 62 5.17 3.60 1.296 0..162 - -- 1.13 63 5.25 3.90 1.404 0.162 - -- 1.24 64 5.33 4.20 1.512 0.162 - -- 1..35 Page 3 of 5 MAMAN TTM33848 RETENTION VOLUME CALCULATIONS 100 -YR, 6-HR DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 65 5.42 4.70 1.692.. 0.162 - -- 1.53 66- 5.50 5.60 2.016 0.162 - -- 1.85 67 5.58 1.90 0.684 0.162 - -- 0.52 6B 5.67 0.90 0.324 0.162 - -- 0.16 69 5.75 0.60 0.216 0.162 - -- 0.05 70 5.83 0.50 0.180 0.162 - -- 0.02 71 5.92 0.30 0.108 0.162 0.052 0.06 '72 6.00 0.20 0.072 0.162 0.035 0.04 Sum = 100.0 Sum = 24.6 Flood volume = Effective rainfall 2.05(In) times area 4.B_ (Ac .) /((In) / (Ft .)] = 0.8(Ac.Ft) Total soil loss = 0.95(In) Total soil loss = 0.382(Ac.Ft) Total rainfall 3.00(In) Flood volume = 35,866.7 Cubic Feet Total soil loss = 16622.2 Cubic Feet ------------------------------------------------------ Peak flow rate of this hydrograph = 7.928(CFS) -------=---------------------=-------------------------- +++++++++++++++++++++++++++++++++++++ + + + + + + + + + + +r + + + + + ++ + + + + + + + + + + ++ 6 - H O U R S T O R M R u n o f f H y d r o g r a p h ------------------------ - ------------------------------------------- Hydrograph in 5 Minute intervals ((CFS)) ----------------------------------------------- ----------------- Time(h +m) Volume Ac.Ft - - - - -- ---------------------------- Q(CFS) 02_5 -------- ----- -- 5_0 ------- 7_5 - - - -- -10.0 ---------------------------------- 0+ 5 0.0002 0.04 Q I: 0 +10 0.0013 0.15 Q ( ( I I 0 +15 0.0029 0.24 Q I ! I I 0 +20 0.0047 0.26 VQ 1 0 +25 0.0065 0.26 VQ ) I I 0 +30 0.0088 0.33 VQ 0 +35 0.0116 0.42 VQ 0 +40 0.0146 0.43 VQ 0 +45 0.0176 0.44 VQ I I, 0 +50 0.0207 0.44 IQ 0 +55 0.0237 0.44 IQ I I I 1+ 0 0.0272 0.51 I1VQ I I ) 1+ 5 0.0313 0.59 IVQ. I l I 1 +10 0.0354 0.61 IVQ I I I 1 +15 0.0397 0.61 IVQ ( ( I I 1 +20 0.0439 0.61 L. Q 1 +25 0.0481 0.61 I Q 1 +30 0.0523 0.61 1 Q 1 +35 0.0566 0.61 I Q 1 +40 0.0608 0.61 I Q I I 1 +45 0.0650 0.61 I QV 1 +50 0.0693 0.61 J QV L, I 1 +55 0.0735 0.61 j QV 2+ 0 0.0782 0.66 ) QV I I I I 2+ 5 0.0830 0.70 I Q V I I i 2 +10 0.0878 0.70 I Q V' I Page 4 of 5 MAMAN TTM33848 RETENTION VOLUME CALCULATIONS 100 -YR, 6 -HR DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 2 +15 0.0931 0.77 I. QV I I I 2 +20 0.0985 0.7B I QV I I I 2 +25 0.1040 0.79 I Q V I I 2 -H.30 0.1094 0.79 I Q V 2 +35 0.1148 0.79 I Q V I i 2 +40 0.1203 0.79 I Q V I I I 2 +45 0.1262 0.86 j Q V I (: 1 2 +50 0.1327 0.94 1 Q V I l I, 2 +55 0.1393 x.96 I Q V I f: I 3+ 0 0.1459 0.96 1;. Q V I (, 3+ 5 0.1525 0.96 1 Q V I I, 3 +10 0.1596 1.03 j Q V I: I. I 3 +15 0.1673 1.12 j Q V 3 +20 0.1751 1.13 j Q V I I I 3 +25 0.1834 1.21 I Q V 1 I I. 3 +30 0.1928 1.36 I Q VI ) f 3 +35 0.2033 1.53 1 Q VI 3 +40 0.2146 1.63 .P. Q V I' I 3 +45 0.2265 1.73 I Q IV I I 3 +50 0.2390 1.81 1 Q IV t. I 3 +55 0.2521 1.90 1 Q I V I' 4+ 0 0.2658 1.99 I Q I V I 4+ 5 0.2801. 2.08 .I Q 1. V I I 4 +10 0.2954 2.23 '1. Q I V I I. 4 +15 0.3120 2.40 .1 QI V ( I 4 +20 0.3298 2.58 I Q V. 1 I 4 +25 0.3487 2.75 .1 IQ V 1 4 +30 0.3684 2.86 I IQ V 1 4 +35 0.3887 2.95 l IQ V: I I. 4 +40 0.4103. 3.11 I 1 Q VI 4 +45 0.4327 3.28 1 1 Q IV. I, 4 +50 0.4560 3.38 I I Q 4 +55 0.4799 3.48 I 1 Q 1 V. �. 5+ 0 0.5049 3.63 I I 4 I 5+ 5 0.5331 4.09 I I Q ) V 5 +10 0.5666 4.86 I 1 Q.I V 5 +15 0.6049 5.57 5 +20 0.6472 6.14 I I I Q IV 5 +25 0.6941 6.82 1 ! i. Q I V 5 +30 0.7487 7.93 1 ( I IQ 5 +35 0.7911 6.15 1 I ( Q I 5 +40 O.BO92 2.63 I' Q 1 i 5 +45 0.8165 1.06 j Q 5 +50 0.8193 0.40 1.Q 5 +55 0.8208 0.22 Q 6+ 0 0.8223 0.22 Q 6+ 5 0.8231 0.12 Q I i 6 +10 0.8233. 0.03 Q 6 +15 0.8234 0.01 Q I I I 6 +20 ------------------------------------------------------- 0.8234 0.00 - Q I. - - - - -- I I I i I, I. I I V 1 V I' VI V' I VI VI V1 VI VI VI V' Page 5 of 5 U r. i t H y d r o g r a p h A n a l y s i s Copyright (c) CIVILCADD /CIVILDESIGN, 1989 - 1999, Version 6.0 Study date 08/06/07 File: T33848ulhyd.24100..out -[.... . -1 ..1 J. + 1-i .. _r...4 -+ i -f"L 4..} .{.. •i-'i... T'f' •1 . ."F T .-T"l• } T'1-.... -!"f' +. .-I' -f'.. A.'F' .".'}. T +...f- + - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Riverside County Synthetic Unit Hydrology Method RCFC & WCD Manual date - April 1978 Warner Engineering, Yucca Valley, CA - S/N 598 English (in -lb) Input Units Used English Rainfall Data (Inches) Input Values Used English Units used in output format ---------------------------- TENTATIVE TRACK MAP 33848 RETENTION VOLUME CALCULATIONS 100 -YR, 24 -HR, DEVELOPED CONDITIONS, SOUTH END 0505 -023C AUG.6,2007 -------------------- - - - - -- - Drariag;e Area. _ .•82:(Ac:.) 0.008 Sq. M . Length along longest watercourse = 75`0.00.0Ft ) Length. al ong. longest:waaercou.r's:e measured to centrod =' 370.00(Ft.) Length along. lon.gest..wat:'tcourse. 0' 142 mi. Length along longest watercourse measured to centroid. 0.070 Mi. '0 if_fer.ence in elevation 4.10..(Ft..) Slope along 'waterco.urs,e _ 2,8::8&40 Ft:1M .: Average .Mann ng, :;s: Lag time = 0.044 Hr. Lag time = 2.64 Min. 25% of lag time = 0.66 Min. 400 of lag time = 1.05 Min. Unit time = 5.00 Min. Duration of storm.= 24 Hour(s) User Entered Rase Flow = ;0.00(CFS) 2 YEAR Area rainfall data: Area(Ac.)[Ij Rainfall(In)[2] 4.82 1.20 100 YEAR Area rainfall data: Area(Ac..) [1] Rainfall (In) [2] 4:82 3.75 Weighting[1 *2] 5.78 Weighting[1 *2) 18,.08 Page l of 13 0 MAMP.N 4'TM33848 RETENTION VOLUME 3.00- YR,24- HR, DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 STORM EVENT (YEAR) = 100.00 Area Averaged 2 -Year Rainfall = 1.200(ln) Area Averaged 100 -Year Rainfall = 3.750(In) Point rain (area averaged) = 3.750(In) Areal adjustment factor = 100.00 .0 Adjusted average point rain = 3.750(In) Sub -Area Data: Area.(Ac.) Runoff index Impervious % 4.820 56.00 0.523 Total Area Entered = 4.82(Ac.) RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F AMC2 AMC -3 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr) 56.0 '74.8 0.305 0.523 0.162 1.000 0.162 Sum (F) = 0.162 Area averaged mean soil loss (F) (In /Hr) = 0.162 Minimum soil loss rate ((In /Hr)) = 0.081 (for 24 hour storm duration) Soil low loss rate --------------------------------------------------------------- (decimal) = 0.480 0 n i t H y d r o g r a p h DESERT S -Curve Unit Hydrograph Data ----------------------------------------------------- Unit time period Time % of lag Distribution Unit Hydrograph (hrs) Graph % (CFS) =-------------------------------------------------------- 1 0.083 189.586 40.268 1.956 2 0.167 379.173 46.289 2.249 3 0.250 568.759 9.441 0.459 4 0.333 758.345 3.017 0.147 5 0.417 947.932 0.984 0.048 Sum = 100.000 Sum= 4.858 Unit Time Pattern Storm Rain Loss rate(In. /Hr) Effective (Hr.) Percent (In /Hr) Max ( Low (In /Hr) 1 0.08 0.07 0.030 0:287 0.014 0.02 2 0.17 0.07 0.030 0.285 0.014 0.02 3 0.25 0.07 0.030 0.284 0.014 0.02 4 0.33 0.10 0.045 0.283 0.022 0.02 5 0.42 0.10 0.045 0.282 0.022 0.02 6 0.50 0.10 0.045 0.281 0.022 0.02 7 0.58 0.10 0.045 0.280 0.022 0.02 8 0.67 0.10 0.045 0.279 0.022 0.02 9 0.75 0.10 0.045 0.278 0.022 0.02 3.0 0.83 0.13 0.060 0.277 0.029 0.03 11 0.92 0.13 0.060 0.276 0.029 0.03 Page 2 of 13 MAMAN TTM33848 RETENTION VOLUME 100- YR,24- BR, DEVELOPED, SOUTH END 0505 -023C AUG.6,20V 12 1.00 0.13 0.060 0.274 0.029 0.03 13 1.08 0.10 0.045 0.273 0.022 0.02 14 1.17 0.10 0.045 0.272 0.022 0.02 15 1.25 0.10 0.045 0.271 0.022 0.02 16 1.33 0.10 0.045 0.270 0.022 17 1.42 0.10 0.045 0.269 0.022' 0.02 18 1.50 0.10 0.045 0.268 0.022 19 0.10 0.045 0.267 0:022 0.02 20 .1:58 1.67 0.10 0.045 0.266 0.022 21 1.75 0.10 0.045 0.265 0.022 0.02 22 1.83 0.13 0.060 0.264 0.029 0.03 23 1.92 0.13 0.060 0•.263 0.029 0.03 24 2.00 0.13 0.060 0.262 0.029 0.03 25 2.08 0.13 0.060 0.261 0.029 26 2.17 0.13 ' 0.060 0.259 0.029 0.03 27 2.25 0.13 0.060 0.258 0.029 0.03 28 2.33 0.13 0.060 0.257 0.029 0.03 29 2.42 0.13 0.060 0.256 0.029 0.03 30 2.50 0.13 0.060 0.255 0.029 0.03 31 2.58 0.17 0.075 0.254 0.036 0.04 32 2.67 0.17 0.075 0.253 0.036 0.04 33 2.75 0.17 0.075 0.252 0.036 0.04 34 2.83 0.17 0.075 0.251 0.036 0.04 35 2.92 0.17 0.075 0.250 0.036 0.04 36 3.00 0.11 0.075 0.249 0.036 0.04 37 3.08 0.17 0.075 0.248 0.036 0.04 38 3.17 0.17 0.075 0.247 0.036 0.04 39 3.25 0.17 0.075 0.246 0.036 0.04 40 3.33 0.17 0.075 0.245 0.036 0.04 41 3.42 0.17 0.075 0.244 0.036 0.04 42 3.50 0.17 0.075 0.243 0.036 0.04 43 3.58 0.17 0.075 0.242 0.036 0.04 44 3.67 0.17 0.075 0.241 0.036 0.04 45 3.75 0.17 0.075 0.240 0.036 0.04 46 3.83 0.20 0.090 0.239 0.043 0.05 47 3.92 0:20 0.090 0.238 0.043 0.05 48 4.00 0.20 0.090 0.237 0.043 .0.05 49 4.08 0.20 0..090 0.236 0.043 0.05 50 4.17 0.20 0.090 0.235 0.0 43 0.05 51 4.25 0.20 0.090 0.234 0.043 0.05 52 • 4.33 0.23 0.105 0.233 0.050 0.05 53 9.42 0.23 0.105 0.232 0. 050 0.05 54 4.50 0.23 0.105 0.231 0.050 0:05 0.05 .55 4.58 0.23 0.105 0.2.30 0.050 0.05 56 4.67 0.23 0.105 0.229 0. 050 O.US 57 4.75 0.23 0.105 0.228 0.050 0.06 5B 4.83 0.27 0.120 0.227 0.058 0.06 59 4.92 0.27 0.120 0.226 0.058 0.06 60 5.00 0.27 0.120 0.225 0.058 0.05 61 5.08 0.20 0.090 0.224 0.043 0.05 62 5.17 0.20. 0.090 p 223 0.093 0.05 63 5.25 0.20 0.090 p 222 0043 . 0.05 64 5.33 0.23 0.105 0.221 0.050 0.05 65 5.42 0.23 0.105 0.220 0.050 0.050. 0.05 66 5.50 0.23 0.105 0.219 Page 3of13 KAMAN TTM33848 RETENTION VOLUME 100 -YR,24 -FIR, DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 67 5.58 0.27 0.120 0.218 0.058 0.06 68 5.67 0.27 0.120 0.217 0.058 0.06 69 5.75 0.27 0.120 0.216 0.058 0.06 70 5.83 0.27 0.120 0.215 0.058. 0.06 71 5.92 0.27 0.12'0 0.214 0.058 0.06 72 6.00 0.27 0.120 0.213 0.058 0.06 73 6.08 0.30 .0.135 0.212 0.065 0.07 74 6.17 0.30 0.135 0.211 0.065 0.07 75 6.25 0.30 0.135 0.211 0.065 0.07 76 6.33 0.30 0.135 0.210 0.065 0.07 77 6.42 0.30 0.135 0.209 0.065 0.07 78 6.50 0.30 0.135 0.208 0.065 0.07 79 6.58 0.33 0.150 0.207 0.072 0.08 80 6.67 0.33 0.150 0.206 0.072 0.08 81 6.75 0.33' 0.150 0.205 0.072 0.08 82 6.83 0.33 0.150 0.204 0.072 0.08 83 6.92 0.33 0.150 0.203 0.072 0.08 84 7.00' 0.33 0.150 0.202 0.072 0.08 65 7.08 0.33 0.150 0.201 0.072 0.08 86 7.17 0.33 0.150 0.200 0.072 0.08 87 7.25 0.33 0.150 0.199 0.072 .0.08 88 7.33 0.37 0.165 0.198 0.079 0.09 89 7.42 0.37 0.165 0.198 0.079 0.09 90 7.50 0.37 0.165 0.197 0.079 0.09 91 7.58 0.40 0.180 0.196 0.086 0.09 92 7.67 0.40 0.180 0.195 0.086 0.09 93 7.75 0.40 0.180 0.194 0.086 0.09 94 7.83 0.43 0.195 0.193 - -- 0.00 95 7.92 0.43 0.195 0.192 - -- 0.00 96 8.00 0.43 0.195 0.191 - -- 0.00 97 8.08 0.50 0.225 0.190 - -- 0.03 98 8.17 0.50 0.225 0.190 - -- .0.04 99 8.25 0.50 0.225 0.189 - -- 0.04 100 8.33 0.50 0.225 .0.188 - -- 0.04 101 8.42 0.50 0.225 0.187 - -- 0.04 102 8.50 0.50 0.225 0.186 - -- 0.04 103 - 8.58 .0.53 0.240 0.185 - -- 0.05 104 8.67 0..53 0.240 0.184 - -- 0.06 105 8.75 0.53 0.240 0.183 - -- 0.06 106 8.83 0.57 0.255 0.183 - - 0.07 107 8.92 0.57 0.255 0.182 - -- 0.07 108 9.00 0.57 0.255 0.181 - -. 0.07 109 9.08 0.63 0.285 0.180 - -- 0.11 110 9.17 0.63 0.285 0.179 - -- 0.11 111 9.25 0.63' 0.285 0.178 - -- .0.11 112 '9.33 0.67 0.300 0.177 - -- 0.12 113 9.42 0.67 0.300 0.177 - -- 0.12 114 9.50., 0.67 0.300 0.176 -. -- 0.12 3.15 9.58 0.70 0.315 0.175 - -- 0.14 116 9.67 '0.70 0..315 0.174 - -- 1 0.14 117 9.75 0.70 0.315 0.173 - -- 0'.14 118 9.83. 0.73 0.330 0.172 - -- 0.16 119 9.92 0.73 0.330 0.172 - -- 0.16 120 10.00 0.73 0.330 0.171 - -- 0.16 121 10.08 0.50 .0.225 0.170 - - -. 0.06 Page 4 of 13 MAMAN TTM33848 RETENTION VOLUME 100- YR,24- HR,DEVELOPED; SOUTH END 0505 -023C AUG.6,200, 122 10.17 0.50 0.225 0.169 - -- 0.06 123 1.0.25 0.50 0.225 0.168 - - 0.06 124 10.33 0.5b 0.225 0.167 -. -- 0.06 125 10.42 0.50 •0.225 0.167 - -- 0.06 126 10.50 0.50. 0.225 0:166 - -- 0.06 127 10.58 0.67 0.300 0.165 - -- 0.14 128 10.67 0.67 0.300 0.1.64 - -- 0.14 129 10.75 0.67 0.300 0.163 - -- 0.14 130 10..83 0.67 0.300 0.163 - -- 0.14 131 10.92 0.67 0.300 0.162 - -- 0.14 132 11.00 0.67 0.300 0.161 - -- 0.1.4 133 11.08 0.63 0.285 0.160 - -- 0.12 134 11.17 0.63 0.285 0.159 - -- 0.13 135 11.25 01.63 0.285 0.159 - -- 0.13 136 11.33 0.63 0.285 0.158 - -- 0.13 137 11.42 0.63 0.285 0.157 - -- 0.13 138. 11.50 0.63 0.285 0.156 - -- 0.13 139 •11.58 0.57 0.255 0.155 - -- 0.10 140 11.67 0.57 0.255 0.155 - -- 0.10 141 11.75 0.57 0.255 0•.154 - -- 0.10 142 11.83 0.60 0.270 0.153 - -- 0.12 143 11.92 0.60 0.270 0.152 - -- 0.12 144 12.00 0.60 0.270 0.152 - -- 0.12 145 12.08 0.83 0.375 0.151 - -- 0.22 146 12.17 0.83 0.375 .0.150 - -- 0.22 147 12.25 0.83 0.375 0.149 - -- 0..23 12.33 0.87 0.390 0.149 - -- 0.24 .148' 149 12.42 0.87 0.390 0.148 - -- 0.24 150 12.50 0.87 0.390 0.147 - -- 0.24 151 12.58 0.93 0.420 0.146 - -- 0.27 152 12.67 0.93 0.420 0.146 - -- 0.27 153 12.75 0.93 0.420 0.145 - -- 0.28 154 12.83 0.97 0.435 0.144 - -- 0.29 155 12.92 0.97 0.435 0.143 - -- 0.29 156 13.00 0.97 0.435 0.143 --- 0.29 157 13.08 1.13 0.510' 0.142 - -- 0.37 158 13.17 1.13 0.510 0.141 - -- 0.37 159 13.25 1.13 0.510 0.3 -41 - -- 0.37 160 13.33 1.13 0.510 0.140 - -- 0.37 161 13.42 1.13 0.510 0.139 - -- 0.37 162 13.50 1.13 0.510 0.138 - -- 0.37 163 13.58 0.77 0.345 0.1.38 - -- 0.21 164 13.67 0.77 0.345 0.137 - -- 0.21 165 13.75 0.77 0.345 0.136 - -- 0.21 166 13.83 0.77_ 0.345 0.136 -- -. 0.21 167 13.92 0.77 0.345 0.135 - -- 0.21 168 14.00 0.77 0.345 0.134 - -- 0.21 169 14.08 0.90 0.405 0.134 - -- 0.27 110 14.17 0.90 0.405 0.133 - -- 0.27 171 14.25 0.90 0.405 0.132, - -- 0.27 172 14.33 0.87 0.390 0.132 - -- 0.26 173 14.42 0.87 0.390 0.131 - -- 0.26 174 14.50 0.87 0.390' 0.130 - -- 0.26 175 14.58. 0.87 .0.390 0.130 - -- 0.26 0.26 176 14.67 0.87 0.390 0.129 - - -. Page 5 of 13 MAMAN =433846. RETENTION VOLUME 3.00- YR,24- HR,DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 177 14 .75 0.87 0.390 0.128 - -- 0.26 178 14.83 0.83 0.375 0.128 - -- 0.25 179 14.92 0.83 0.375 0.127 --- 0.25 180 15.00 0.83 0.375 0.126 - -- 0.25 181 15.08 0.80 0.360 0.126 - -- 0.23 182 15.17 0.80 0.360 0.125 - -- 0.24 183 15.25 0.80 0.360 0.124 - -- 0.24 184 15.33 0.77 0.345 0,124 - -- 0.22 185 15.42 0.77 0.345 0.123 - -- 0.22 186 15.50 0.77 0.345 0.122 - -- 0.22 187 15.58 0.63 0.285 0.122 - -- 0.16 188 15.67 0.63 .0.285 0.121 - -- 0.16 189 15.75 0.63 0.285 0.121 - -- 0.16 190 15.83 0.63 0.285 0.120 - -- 0.17 191 15.92 0.63 0.285 0.119 - -- 0.17 192 16.00 0.63 0.285 0.119 - -- 0.17 193 16.08 0.13 0.060 0.118 0.029 0.03 194 16.17 0.13 0:060 0.117 0.029 0.03 195 16.25 0.13 0.060 0.117 0.029 0.03 196 16.33 0.13 0.060 0.116 0.029 0.03 197 16.42 0.13 0.060 0.116 0.029 0.03 198 16.50 0.13 0.060 0.115 0.029 0.103 199 16.58 0. -10 0.045 0.115 0.022 0.02. 200 16.67 0.10 0.045 0.114 0.022 0.02 201 16.75 0.10 0.045 0.113 0.022 0.02 202 16.83 0.10 0.045 0.113 0.022 0.02 203 16.92 0.10 0.045 0.112 0.022 0.02 204 17.00 0.10 0.045 0.112 0.022 0.02 205 0.17 0.075 0.111 0.036 0.04 .17.08 206 17.17 0.17 0.075 0.111 0.036 0.04 207 17.25 0.17 0.075 0.110 0.036 0.04 208 17.33 0.17 0.075 0.109 0.036 0.04 209 17.42 0.17 0.075 0.109 0.036 0.04 210 17.50 0.17 0.075 0.108 0.036 0.04 211 17.58 0.17 0.075 0.108 0.036 0.04 212 17.67 0.17 0.07.5 0.107 0.036 0.04 213 17.75 0.17 0.075 0.107 0.036 0.04 214 17.83 0.13 0.060 0.106 0.029 0.03 215 17.92 0.13 0.060 0.106 0.029 0.03 216 18.00 0.13 0.060 0.105 0.029 0.03 217 16.08 0.13 0.060 0.105 0.029 0.03 218 1_8.17 0.13 0.060 0.104 0.029 0.03 219 18.25 0.13 0.060 0.104 0:029 0.03 220 18.33 0.13 0.060 0.103 0.029 0.03 221 18.42 0.13 0.060 0.103 0.029 0.03 222 18.50 0.13 0.060 0.102 0.029 0.03 223 18.58 0.10 0.045 0.102 0.022 0.02 224 18.67 0.10. 0.045 0.101 0.022 0.02 225 18.15 0.3.0 0.045 0.101 0.022 0.02 226 18.83 0.07 0.030 0.100 0.014 0.02. 227 18.92 0.07 0.030 0.100 0.014 0.02 228 19.00 0.07 0.030 0.099 0.014 0.02 229 19.08 0.10 0.045 0.099 0.022 0.02 230 19.17 0.10 0.045 0.098 0.022 0.02 231 19.25 0.10 0.045 0.098 0.022 0.02 Page 6 of 13 MA MM TTM33848 RETENTION VOLUME 100- YR,24- HR,DEVELO ?ED, SOUTH END 0505 -023C AUG.6,2007 232 19.33 0.13 0.060 0.097 0.029 0.03 233 19.42 0.13 0.060 0.097 0.029 0.03 234 19.50 0.13 0.060 0.096 0.029 0.03 235 19.58. 0.7.0 0.045 0.096 0.022 0.02 236 19.67 0.10 0.045 0.096 0.022 0.02 237 19.75 0.10 0.045 0.095 0.022 0.02 238 19.83 0.07 0.030 0.095 0.014 0.02 239 19.92 0.07 0.030 0.094 0.014 0.02 240 20.00 0.07 0.030 0.094 0.014 0.02 241 20.08 0.10 0.045 0.093 0.022 0.02 242 20.11 0.10 0.045 0.093 0.022 0.02 243 20.25 0.10 0.045 0.093 0.022 0.02 244 20.33 0.10 0:045 0.092 0.022 0.02 245 20.42 0.10 0.045 0.092 0.022 0.02 246 20.50 0.10 0.045 0.091 0.022 0.02 247 20.58 0.10 0.045 0.091 0.022 0.02 248 20.67 0.10 0.045 0.091 0.022 0.02 249 20.75 0.10 0.045 0.090 0.022 0.02 250 20.83 0.07 0.030 0.090 .0.014 0.02 '251 20.92 0.07 0.030 0.090 0.014 0.02 252 21.00 0.07 0.030 0.089 0.014 0.02 253 21.08 0.10. 0.045 0.089 0.022 0.02 254 21.17 0.10 0.045 0.089 0.022 0.02 255 21.25 0.10 0.045 0.088 0.022 0.02 256 21.33 0.07 0.030 0.088 0.014 0.02 257 21.42 0.07 0.030 0.087 0.014 .0.02 258 21.50 0.07 0.030 0.087 0.014 0.02 259 21.58 0.10 0.045 0.087 0.022 0.02 260 21.67 0.10 0.045 0.087 0.022 0.02 261 21.75 0.10 0.045 0.086 0.022 0.02 262 21.83 0.07 0.030 0.086 0.014 0.02 263 21.92 0.07 0.030 0.086 0.014 0.02 264 22.00 0.07 0.030 0.085 0.014 0.02 265 22.08 0.10 0.045 0.085 0.022 0.02 266 22.17 0.10 0.045 0.065 0.022 0.02 267 22.25 0.10 0.045 0.085 0.022 0.02 268 22.33 0.07 0.030 0.084 0.014 0.02 269 22.42 0.07 0.030 0.084 0.014 0.02 270 22.50 0.07 0.030 0.084 0.014 0.02 271 22.58 0.07 0.030. 0.083 0.014 0.02 272 22.67 0.07 0.030 0.083 0.014 0'.02 273 22.75 0.07 0.030 0.083 0.014 0.02 274 22.83 0.07 0.030 0.083 - 0.014 0.02 275 22.92 0.07 0.030 0.083 0.014 0.02. 276 23.00 .0.07 0.030 0.082 0.014 0.02 277 23.08 0.07 0.030 0.082 0.014 0.02 278 23.17 0.07 0.030 0.082 0.014 0.02 279 23.25 0.07 0.030 0.082 0.014 0.02 280 23.33 0.07 0.030 0.082 0.014 0.02 281 23.42 0.07 0.03.0. 0.082 0.014 0.02 282 23.50 0.07 0.030 0.081 0.014 0.02 283 23.58 0.07 0.030 0.081 0.014 6.02 284 23.67 0.07 0.030 0.081 0.014 0.02 285 23.75 0.07 0.030 0.081 0.014 0.02 286 23.83' 0.07 Q.030 0.081 0.014 0.02 Page 7 of 13 MAHAN TTM33848 RETENTION VOLUME 100-YR, 24-HR, DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 287 23.92 0.07 0.030 0.081 0.014 0.02 288 24.00 0.07 0.030 0.081 0.014 0.02 Sum = 100.0 Sum = 23.6 Flood volume = Effective rainfall 1.96(In) times area 4.8(Ac.) /[(In) /(Ft.)] 0.8 (Ac .Ft) Total soil loss = 1..19(In) Total soil loss = 0.717(Ac.Ft) Total rainfall = 3.75(In) Flood volume = 34,373.3 Cubic Feet Total soil loss = 31238.4 Cubic Feet ------------------------------------------------------------- Peak flow rate of this hydrograph = 1.803(CFS) ----=------------------------------------------------------------ + 1+++++++++++++'{'+++++++++++++++++++++ + + + + + + + +" + + + + + + + + + + + + + + + + + + + + ++ 24 - H O U R S T'0 R M R u n o f f H y d r o g r a p h Hydrograph in 5 Minute intervals ((CFS)) ---------------- 7 --------- ----------------------------- -------------- Time(h+m) Volume Ac.Ft Q(CFS) 0 2.5 5.0 7.5 10.0 ------------------------------------------------------ 7 ----------- 0+ 5 0.0002 0.03 Q 0 +10 0.0007 0.07 Q F I I 0 +15 0.0012 0.07 Q I I I I 0 +20 0.0018 0.09 Q I l I I 0 +25 0.0025 0.11 Q 0 +30 0.0033 0.11 Q 0 +35 0.0041 0.11 Q I I' 0 +40 0.0049 0'.11 Q 0 +45 0.0057 0.11 Q 0 +50 0.0065 0.13 Q 0 +55 0.0076 0.15 Q { I I 1+ 0 0.0086 0.15 Q 1+ 5 0.0095 0.14 Q I. 1 +10 0.0103 0.12 Q I I I I 1 +15 0.0111 0.12 Q 1 +20 0.0119 0.11 Q I I. 1 +25 0.0127 0.11 Q 1 +30 0.0135 0.11 Q (: I 1 +35 0.0143 0.11 Q I I. 1 +40 0.0151 0.11 Q 1 +45 0.0158 0.11 Q 4 I I 1 +50 0.0167 0.13 Q 1 +55 0.0177 0.15 Q 2+ 0 0.0188 0.15 •Q I I I 2+ 5 0.0198 0.15 QV ( I 2 +10 0.0209 0.15 QV I I I I 2 +15 0.0219 0.15 QV I I 2 +20 0.0229 0.15 QV I I• I. i 2 +25 0.0240 0.15 QV I' I 2 +30 0.0.250 0.15 QV 2 +35 0.0262 0.17 QV I I I I 2 +40 0.0275 0.18 QV I I 24-45 0.0287 0.19 QV Page 8 of 13 KAMAN TTM33848 RETENTION VOLUME 100- YR,24- HR, DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 2 +50 0.0300 0.19 QV I ( I I 24 -55 0.0314 0.19 QV { I 3+ 0 0.0327 0.19 QV { I 3+ 5 0.0390 0.19 QV I 1. i 3 +10 0.0353 0.19 QV I I I 1 34.15 0.0366 0.19 QV { I I I 3+20 0.0379 0.19 QV I 3 +25 0.0392 0.19 QV 3 +30 0.0405 0.19 Q v 3+35 0.0418 0.19 Q V 3 +40 0.0431 0.19 Q V ( 1 3 +45 0.0444 0.19 Q V 3 +50 0.0458 0.20 Q V I I I I 3 +55 0.0473 0.22 Q V 4+ 0 0.0483 0.23 Q V 4+ 5 0.0505 0.23 Q V 4 +10 0.0520 0.23 Q V I l 4 +15 0.0536 0.23 Q V 4 +20 0.0553, 0.24 Q V I I I I 4 +25 0.0571 0.26 1 Q 4 +30 0.0589 0.26 1 Q (. 4 +35 0.0607 0.26 IQ V 4 +40 0.0625 0.27 IQ V { I I• 4 +45 0.0644 0.27• IQ V 4 +50 0.0663 0.28 {Q V ( I 4 +55 0.0684 0.30 IQ V I I 5+ 0 0.0704 0.30 IQ V (' I 5+ 5 0.0723 0.27 IQ V I ( I 1 5 +10 0.0739 0.24 Q V 5 +15 0.0155 0.23 Q V 5 +20 0.0772 0.24 Q V { 5 +25 0.0790 0.26 IQ V 5 +30 0.0808 0.26 IQ V 5 +35 0.0827 0.28 IQ V 5 +40 0.0848 0.30 IQ V 5 +45 0.0869. 0.30 IQ V 5 +50 0.0890 0.30 IQ V 5 +55 0.0911. 0.30 IQ V I I I 6+ 0 0.0931 0.30 IQ V 6+ 5 0.0953 0.32 IQ V j I. 6 +10 0.0976 0.34 IQ V 1 I I 6+15 0.1000 0.34 IQ v I I I I 6 +20 0.1023 0.34 IQ V I 6 +25 0.1047. 0.34 IQ V I 6 +30 0.1070 0.34 IQ V 6 +35 0.1095 0.36 IQ V I I: I 6 +40 0..1121 0.37 IQ V I 6 +45 0.1147 0.38 IQ V I 6 +50 0.1173 0.38 IQ V 6 +55 0.1199 0.38 IQ V I I I 7+ 0 0.1225 0.38 JQ V 7+ 5 0.1251 0.38 IQ V I I 1 1 7 +10 0.1277 0.38 IQ V I I I { 7 +15 0.1303 0.38 IQ v 7 +20 0.1330 0.39 IQ V l' Page 9 of 13 MAMAN TTM33848 RETENTION VOLUME 100- YR,24- H.R,DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 7 +25 0.1359 0.41 IQ V I 7 +30 0.1387 0.42 IQ V I I I 7 +35 0.1417 0.43 IQ V I 7 +40 0.1448 0.45 IQ V I I I I 7 +45 0.1479 0.45 IQ V I 7 +50 0.1498 0.28 IQ V I I I I 7 +55 0.1503 0.07 Q V 8+ 0 0.1505 0.03 Q V 1 l I I 8+ 5 0.1511 0.08 Q V 8 +10. 0.1521 0.15 Q V 8+15 0.1533 0.17 Q V 8 +20 0.1545 0.18 Q V( I I f 8 +25 0.1558 0.18 Q V 8 +30 0.1570 0.19 Q V 8 +35 0.1586- 0.22 Q V 8 +40 0.1603 0.26 IQ V 8 +45 0.1622 0.27 IQ V I I l I 8 +50 0.1643 0.30 IQ V I I 8 +55 0.1667 0.34 IQ V 9+ 0 0.1691 0.35 1 Q V I 1 I I 9+ 5 0.1720 0.42 IQ V I I l I 9 +10 0.1754 0.49 IQ V 1 I I 9 +15 0.1789 0.51 I Q VI I I I 9 +20 0.1827 0.55 (: Q VI I I I 9 +25 0.1867 0.59 1 Q VI I I f 9 +30 0.1908 0.60 j Q VI I I I 9 +35 0.1952 0.63 1 Q VI I I 9 +40 0.1998 0.67 1 Q V I ( I 9 +45 0.2045 0.68 I Q v ( I I 9 +50 0.2095 0.72 I Q V 1. 9 +55 0.2147 0.76 j Q V I I I 10+ 0 0.2200 0.77 1 Q IV I I. 10+ 5 0.2239 0.57 1. Q IV I. 10 +10 0.2262 0.34 IQ IV 10 +15 0.2282 0.29 IQ IV ( I l 10 +20 0.2302 0.28 IQ IV I I 10 +25 0.2321 0.26 1Q IV I I I 10 +30 0.2341 0.28 1Q IV I' 1 10 +35 0.2371 0.44 1Q I V I 10 +40 0.2413 0.61 1 Q I V 10 +45 0.2457 0.65: I Q I V I 104 -50 0.2503 0.66 1 Q I V I I I 10 +55 0.2549 0.67 1 Q I V I I 11+ 0 0.2595 0.67 1 Q I' V I f 11+ 5 0.2640 0.65 1 Q I' V I 1 11+10 0.2682 0.62 1 Q I V I I 11 +15 0.2724 0.61 1 Q I V I I 11 +20 0.2767 0.62 I Q I V I. 1 11 +25 0.2810 0.62 1 Q I V I 11 +30 0.2852 0.62 1 Q I. V I I f 11 +35 0.2892 0.57 1 Q ( V I I I 114-40 0.2926 0.50 1 Q 1 V I I I 11 +45 0.2960 0.49 IQ ( V I I f 11 +50 0.2996 0.52 1 Q I V I 11 +55 0.3035 0.56 1 Q I V I I I Page 10 of 13 MAMAN TTM33848 RETENTION 'VOLUME 100-YR, 24-HR, DEVELOPED, SOUTH END 0505 -023C AUG.6,2007 12+ 0 0.3074 0.57 !.Q I V 12+ 5 0.3128 0.78 I Q l V{ { I. 12 +10 0.3198 1.02 I Q 1 V 1 I I 12 +15 0.3272 1.07. 1 Q I V I 12 +20 0.3349 1.12 1 Q I V( f 12 +25 0.3429 1.16 1. Q I Y I 12 +30 0.351.0 1.17 Q I V( I I 3.2 +35 0.3596 1.24 1 Q I V 1 f 12 +40 0.3686 1.31 I Q I V I I I 124 -45 0.3777 1.33 I. Q 1 VI I I 12 +50 0.3872 1.37 1 Q 1 VI l I 124.55 0.396B 1.40 1. Q 1. V I ! 13+ 0 0.4066 1.41 ( Q V I I 13 +.5 0.4174 1.57 ( Q j IV l 4 13 +10 0.4295 1.74 ( Q 1 IV I I 13 +15 0.4416 1.78 1 Q { l V. 13 +20 0.4539 1.79 I. Q .I 3.3 +25 0.4663 1.80 I Q 13 +30 0.4788 1.80 I Q I ! V I I 13 +35 0.4890 1.48 1 Q 13 +40 0.4967 1.12 ( Q I I. V 13 +45 0.5038 1.'04 1 Q 1 1 V I I 13 +50 0.5109 1.02 1 Q i I. V 13 +55 0.5179 1.02 1 Q I ( V 14+ 0 0.5249 1.02 I Q I I V I I 14+ 5 0.5328 1.14 .1 Q I ( V 14 +10 0.5416 1.28 1 Q I V l 14 +15 0.5507 1.31 ( Q ► I I 1 °14+20 .0.5596 1.29 1 Q I 1. V l I 14 +25 0.5683 1.27 1 Q I I V{ 14 +30 0.5770 1.26 I Q { ( VI I 14 +35 0.5857 1.26 1 Q I I V.I 14+40 0.5944 1.27 1 Q ! I V I 14 +45 0.6032 1.27 1 Q I I V I 14 +50 0.6117 1.24 1 Q I I IV I 14 +55 0.6201 1.21 I Q ( j IV 15+ 0 0.6284 1.21 ( Q I I IV. I 15+ 5 0.6366 1.18 I Q I_ I I V I 15 +10 0.6445 1.15 :1 Q (. I I V I 15 +15 0.6524 1.15 1 Q i I, I V. I 15 +20 0.6601 1.12 1 Q 1 I I V a 15 +25 0.6675 1.09 j Q I I l V 15 +30 0.6750 1.08 1 Q 1 ) {. V 15 +35 0.6816 0.97 (; Q i I 1 V i 15 +40 0.6874 0.83 I Q ( I I V 15 +45 0.6930 0.81 j. Q I I I V 15 +50 0.6985 0.80 j Q I° I ( V 1 15+55 0.7040 0.80 1 Q I I I V I 16+ 0 0.7096 0.81 1 Q }. ( V I 16+ 5' 0.7133 0.54 '1 Q I I. I V I. 16 +10 0.7150 0.24 Q ( I I V 16 +15 0.7162 0.18 Q I I' 1 V I 16 +20 0.7173 0.16 Q 1 I I V I 16 +25 0.7163 0.15 Q 1 ( 1 V i 16 +30 0.7194 0.15 Q I I. I' V I Page 11 of 13 MAMAN TTM33848 RETENTION VOLUME 100--YR,24- fik,DEVELOPED, SOUTH E46 0505 -023C AUG.6,2007 16 +35 0.7203 0.14 Q I i I V 1 16 +40 0.7211 0.12 Q ( I ( V 1 16 +45 0.7219 0.12 Q j i I V 1 16 +50 0.7227 0:11 Q I I I. V i 16 +55 0.7235 0.11 Q ( I i V I 17+ 0 0.7243 0.11 Q I ( ►. V 17+ 5 0.7253 0.14 Q I I 1. V 17 +10 0.7265 0.18 Q I f I V I 17 +15 0.7278 0.19 Q I 1. i V 174-20 0.7291 0.19 Q I I I V I 17 +25 0.7304 0.19 Q I I I V I 17 +30 0.7317 0.19 Q ( I I V I. 17•+•35 0.7330 .0.19 Q I, I I V f 17 +40 0.7343 0.19 Q i I I V I 17 +45 0.7356 0.19 Q (: I I V l 17 +50 0.7368 0.17 Q j'' i I V I 17 +55 0.7379 0.16 Q I. I ) V I 18+ 0 0.7389 0.15 Q. I. I I V I 18+ 5 0.7400 0.15 Q ! 1 I V 18 +10 0.7410 0.15 Q ( I I V 18 +15. 0.7421 0.15 Q I I i V i. 18 +20 0.7431 0.15 Q I I i V 18 +25 0.7442 0.15 Q ) ( I V 1 18 +30 0.7452 0.•15 Q' I 1 V 1 18 +35 0.7461 0.14 Q I I I V 18 +40 0.7470 0.12 Q I I l V 18 +45 0.7478 0.12 Q ( ) I V I 18 +50 0.7484 0.10 Q I i I V I 18 +55 0..7490 0.08 Q j I I V 19+ 0 0.7495 0.08 Q I I, I V I 19+ 5 0.7502 0.09 Q I i V I 19 +10 0.7509 0.11 Q I i i V I 19 +15 0.7517 0.11 'Q I I I V 19 +20 0.7526 0.13 Q ( I ( V 19 +25 0.7536 0.15 Q I i 1 V 19 +30 0.7546 0.15 Q. I i I V 19 +35. 0.7555 0.14 Q I I I V 19 +40 0.7564 0.12 Q I; I I V I 19 +45 0.7572 0.12 Q I I I V I 19 +50 0.7578 0:10 Q ( ( I V I 19 +55 0.7584 0.08 Q I ( i V i 20+ 0 0.7589 0.08 Q I I. I v l 20+ 5 0.7596 0.09 Q I I I V I 20 +10 0.7603 0.11 Q I I I V 1 20 +15 0.7611 0.11 Q ( i I V I 204-20 0.7619 0.11 Q I I I V 20 +25 0.7626 0.11 Q I I I V I 20 +30 0.7634 0.11 Q I I I V I +35 0.7642 0.11 Q I I I v I ,20 20 +40 0.7650 0:11 Q I. i V I 20 +45 0.7658 0.11 Q ) I I V I 20 +50 0.7665 0.10 Q I I I V I 20 +55 0.7670 0.08 Q t I I V .I 21+ 0 0.7675 0.08 Q l ( I V I 21+ 5 0.7682 0.09 Q I I I V I Page 12 of 13 MAMAN TTM33848 RETENTION VOLUME 100- YR,24- HR,DEVELOPED,-SOUTH END 0505 -023C AUG.6,2007 21 +10 0.7689 0.3.1 Q 1 I I V! 21 +15 0:7697 0.1] Q I I I V{ 21+20 0.7704 0.10 Q I i I. V I 21 +25 0.7709 0.08 Q I I I VI 21 +30 0.7715 0.08 Q I I I V! 21 +35 0.7721 0.09 Q I I I VI 21 +40 0.'7728 0.11 Q I I l VI 21+45 0.7736 0.11 Q I i I V 21 +50 0.7743 0.10 Q I I i Vi 21 +55 0.7746 0.08 Q i ! 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N1.,71 c. rl�S�Z.•�," i - ?� -• . ;i ;�' L1. t �,"`- w t nt '� : t j ` : I.ti .�.•._e...+ . '•IkK�kZ'o! J ^ - R t1.s�f 2-YEAR I I"'I 0U - r .1*s1_ )I � - ��` 4, P RECIPITATION Lr L♦4 i 'jtr =•C i.. 't1L'Jr. ,r� )r'�., ,'`�Wp 1�r,1.�yr. �` r Yf '`m:iM C 4'P ' 1 •a ^r i:� l .U��1{1,r•.��' ��FF`�jt� t ' Y ,�(�, J:y�- _�,}'i t '+e ..rQy�• }��q. N OD {�,ttC�Y. t "1 `•�>� � �Iwr7D'rl'iFt!�rtAJ'„ "�' }._.l. )r; °�.,{�`;';;.,, . ��fj::7�hg�•"Y /. Ft •" "'0 77 r]VLRSLDS CCrUNTY, cAl,tror]�]n. TA?;I r :1.2 —Sotit a.�k'1. ulatcr f ec.tures Lions of gymbais and such terms as Tarr_,' c ' : re-ater than] indicai'.es the frature is not a concern. ,r-� Lei =4. for desenp l means leas than ; means • I..hsence. of Lill enir]� brief," „ nhol ;rnd perche.�." The syr Eiig1, water table Bedro -Ir Hydro- Ploocling �_ v-o—ni-h-a Depth iardnc t�[r Sail mand logic �Cir�d Duution - MouLl. Dc h - - frequency ----- mup eymhol group �__ _!_ Ir p� Badlands BA. Borrow "Pita: BP. X60 _ ------------ Bull Trail: B - =- -•- - - -- - -- Nana.____...------ - - - - -- BtE---------- - - - - -- >60 - Ca•?an: A - - - >- -- ----- -- - --- CaD ----------------- >6.0 -- _ >fi0 - --- ---- -- Ca on Variant: -- A. Nana.____- -- ---- -- - - - - =- - --- --""' -' bD__-- - -- - _ - >60 Carrir.o: A Rare - - -- CcC• ------------ - >61) -- --- - - - -- >6.0 _ - -------- -- - - -- -- - --- g Jan - Dec_- - -. >60 ___---- - -- Carsita9`. Cd E, ChC, CV B. A None --- --- -- ------ - ----= - --- 0 rent - -- -- _ - -- 2.D-4- PPa CdC, A CfB------------------ 6-20 Mppable. >6.0 ------------ ----- -- - -- CarsiLae Varian t: C - Nurse- --- -- - ---- - - --- - - '--- -- - ^ -s Cal B,CTn -- - - - - -- >60 ---- - - -- -- Chuck.oWQlla:. COB, Co D, COC,CnE• y60 1 _ -- Jan - Dec - - -- - -- ^oachella: B 3.0 -5 APP arent__ _ -- : "-:P"" CpB,CsA -None - - - - -- -- --- ----- -- -_ rh----------------- A. p arent - - J > Flufvnaquenta: D _-. _ .,_- .�..'.c ,.---- . Frequent -- Very long .... _. .. . ... -------------------- Fluvents: ID Occasionsi_- Very brief____ Jan- .Dec_.__. A'" fc-- --- -------- - -- --- _ - Apr Gilman , g Rare.--- --- - -- --- - 3.0 -5 -0 Apparenti__--- GeE,G6A, G.B Gfh G ravel Pi is and dumps r G P. > 60 lmperin: -=-- --- --- -- - -- >6.0 -- --- --- - - -- -- ------------- D ]..0 -3.0 Apparent----- -- >&0 D N._.-------- --- -- -- - --- - - -- >FO ` Imcl: na pacL ------- D None ------ ----- °-• -- -- --- - -- • Gmpeied land part. Iropperial: -• - - 1'.rr- ,ri :D.. AppareaL_�___ Jan- llec - --- > so ---- • - - - -- loCr: = crial Part-.--- - Miedlandpart. NI -. D' >60 - - -_ - -_ Indio: B None-- -= -- --------- - -- --- - -- 3.0 -5.0 Apparent---- - -= ---- --• --- IPr is -- --' <---- - ----- 'one -.�- -- -._ -- - - -- It ----- ----------_ Lithic TorripeaiAmnnts: 1 -10 Haul. LRt: >6.0 - --'-- - - - --- Lithic Torripeamwcuta na i i7 Moue-- ----------- --- - --- -- -- - - --- -- Ruck outcrop part. s C-C)IL, BUTWEY T I-Tig1j, widzr LNbIL 13 edra ck logic JUld FIrioding S(,jj j) Month DerAli ,qrjj,1, I group Durri6on Jfj:JP r(!qUCIICY 141 --------- ----------- ------ yornal ........... jicr1-D6e__.J md�' Md �) �.O AppOrUlt- MIC B_ --------------- > .........rent_...- .. ....... ------- >60 ---------- C 4-p prL. WbB ---------------- - - - - - - DMBLott: >6.6 --------- nip pable. OMD -------- - ------ C Norte. .-- Or'. : ..... Ripptblp_ Noo e - - - 0 DOstott p&rt ------ G I.tntk outcrop port. Riverwaab: Rock Outcrop: P.O. RTI: Rock oLiLerrif, part- Hard. ----- ----- W__ bithic None_- - > Torripsm-Pnts part: Rubble land: P.U. n-D e r kp0eeot_____ JIL .Salton: fL ........ -- ------------- TC S 6, Sb --------------- 0 - ---- - ---------- Sobob: > So D; SPE ------- TorriorthtEUE: 701: TorriorthentS part. Rock outcrop PRrt- Tujunga- TpE, TrC, TsB__:_ A re dominant I kinds of S011- See mapping -unit description for the composition and This Mapping unit is m2kde up of, two or nic, beh-riOr Of. the Whole TriaLPYting unit. ing the rnapping of :the Water and -on 'CitheT -observati6m hardness as r6la:ted the year that the k.�-n'd'8f b'edfo Jk 1-nd its ha ppLrent. and the thonths. 01 soils The Fippable, bedrock 0 ly saturated zones abo-ve a table cornriiWY is h tjq,. ease o exCAVOAPTI is also ale - depth of 5, OT- ft indicated. i sing I -�ct tooth ripping att-ach- e a be with . - I al high water table Can but hard bedro6k or, the season hofs�pow.Ar tract jnfDTTnAi6h ibbilt d t on a ally designed rn 71 the.. need for speci blasting. belps. in assessing _ . . I . d* *of drainage gener�LIIY require dift d f -spec the heed for obtit& �rain% to: insure dry systems, and the need for f 'ibn IS, . also needed to decide M 0 T-P 40 10 -Y' and baserojjjtg.. Such i.nforrn:at" s feasible ForinaLLOTL' RSI e �iiethet' .or not 00*11stllu.ctic , )n of bisetn'ents I at'OTL Of the Soils nd d UL abs-orpticin fields mid •UassifLC L a to etermine hoNN' septic, t Ilitionts Wilt. 11111.6tiOn ground InS. a . r1rijis section contains descriptions Of the major faC ether of excav'atioln• -OCCuic in the Coachella high water table affects ease tors of soil foym�jtjon as they :110�,Jfj for soils that are il-ificant morphological �ona 0 ; bed! -ock' is s Valley Area, a summary of 'S19 t 6 feet or: less. of the. Area, an explanation b� at depth of D 0 characteristics of the soils underl� bedidck A jS. a. part ries limited depth to; bedrock soils by catego S6,11s the li*mi -"rn of .tae current sy.,;Urn Of classifk'r- T the clas- For many e depths shO of the definitjo� . of the soil series.. Th� inqrs broader than the Series., and a table showing *in Many soil or.- are based on Tne4 . s . or . 4 . m I e In t&made t t ✓t�T s" p • T 7i,_y L•'AS -� MC II �%%iZ GO. x_ , •. }[LS FOR E F2� 10[I5 RL7i 7ipZ I2 }P }: 1.{Ul a� 3'3T,a.` OF HYDROLO_, TC 501.'—C( duality of S011 Group Cover Tyne (3) (2) B C. is ?qAT E, COVERS - 78 2�6 91 93 Barren (Roc],:1and, eroded_ and graded land) Poor3. 70 8'0 B5 Chaparr[__) -, vroadleaf oak} Fair 4.0 63' 75: 81 (Manzonita, ceanothus and scrub Good 11. 57 71 7B Poor 71 82 BB 9.1 Mlaparrel, Narrowleaf Fair 55: 7? E1 B6 (Chamise and redshank) _ Poor 67 78: 86. 89 Grass, Pnnual or' Perennial Fair 50. 69 79. 8`4 Good 38• 6'1 74 BO Poor 63 77. 85 8B Meadows or Cienega high water t�lrass) Pair 51 70 80 84 50 5.8- 72 78 (Areas with seasonally vegetation is sod forming g Good principal Poor 62 76. 84 BB Open Brush etc.) Fair Q6 66 77 63 (Soft wood sh'-ubs - buckwheat, sag e Good 41 63 .75. 81 Poor 45: 66 '77: B3. woodland broadleaf trees predomi�`late: Fair 36 6.6 7 3 7 9 35 70 � �77 (Coniferous or is least 50 Percent).. Good '26 Canopy density at Poor 577 82 86 woodland, Grass broadleaf }sees wi }..h canoPY Fair 44 '6s: 7:7 B2 3:3 58 72 79. (Coniferous or ' ercent) density from 20 to 50 p Good URBAN COVERS - ' :G ;ood 32 56 • 69. 75. Residential or Commercial Landscaping .(.Lawn, shrubs., etc. Poor 5B 74 83 87. Turf. 'Fair 44 65 77 82, (Irrigated and mowed grass) Co'od 33 58 72 7.9 AGRICULTURAL COVEiZs - •. 7.6. B5 90. ,92• . Fallow but not tilled or seeded) (Land plowed RUNQFF: INDEX NUMBERS RCFC C® FOR rlyDRa►_��Y . h/1ANUAL PERVIOUS AREA 1I7DE3: .i@'[)Af rRS or . HYDROLDC IC 5 Cover Type (3) AGRICULTURLL.. COVERS (coast.) - Legumes, Close Seeded (Alfalfa, sweetclover, timot_h.Y , etc-) Orchards, Deciduous (ppples, apricots, pears, walnuts., etc.) Orchards, Evergreen (citrus, avocados, etc.) Pasture, Dryland (Annual grasses) Pasture, Irrigated (Legumes and perennial grass) Row Crops (Field crops - tomatoes; sugar beets, etc.) Small Grain (Wheat, oats, barley., etc.) Vineyard.: . ?dotes : M� zI Quality of'I S041-1 Group cover (2) BI C I poor 66 177 85 89 Good 15B 172 81 ,85 ec Note 4: Poor 57 7.3 82 B'S Fair 44 65 77. 82 Good 3`3 $8 72 79 Poor 67" 78 86.. 89' Fair 5.0 .5:9 79 644 Good 39 QT 74 80. Poor 58.. 74 83. 87 fair 4 - 65 77 B2' G,00.d. 3,3 58 72 73 Poor 72 81 88 91 Good 67 78 65 89- ?oar 6.5 76 4 88.: Good ,53. 75 83 B7: See Note 4 1. All r noff index (RI) numbers are-for Antecedent Moisture Condition (AMC) II. 2. Quality of cover definitions:- Poor - Heavily grazed or regularly burned areas. Less than 50 per- cent of the ground surface is protected by plant . and tree 'canopy. Fair - Moderate cover with 50 percent to 75 percent of the ground sur face protected. Good -Heavy or dense cover with more than 75 percent of the ground surface protected. 3. See Plate c -2 for a detailed description of cover types. 4. Use runoff index numbers based on ground cover type. See discussion under "Cover Type Descriptions" on Plate.c =2. 5. "Reference Bibliography item 17: C RUNOFF INDEX NUMBERS & FOR /M r�YDRDL DGY ANUAL PERVIOUS AREA ACTC3kL IMPERVIOUS :C2Y ER Land ise (1) Natural or Agriculture Single Family Residential: (3) 40,000._S. F. (1 Acre) Lots 20,000 S. F. (fit Acre) Lots 71200 - 10,000 S. F. Lots Multiple Family Residential: Condominiums A -partments Mobile home Park Recommenaad Value Range- Percent . F-or Average Conditions - Percent( 0 - 10 3_0 - 2.5 20 30 - 45 40 45_ ' 55 SQ 45 - 70 .65 65 `- 90 SO 60 - 85 75 80 -100 90 Commercial, Downtown j Business or Industrial i Notes: 1: Land use should be based on ultimate aeve�.opment of the watershed. Long range mast plans for the County .ana incorporated cities insure reasonable land .use assumptions . should be reviewed to 2. Recommended values are based or average conditions which may `not ` apply to particular study area. The percentage impervious may a a in vary greatly even on comparable sized lots eueract ceseshoula .alsn dwelling size,iprovements, etc. Landscape p _ i be considered as it is coOnlastic materialsoin use pla e ofnla� sr and some areas els underlain by imperious Plastic should always be made, j shrubs• A field investigation of a study and a review of aerial photos, where available may assist it estimat` ver in developed areas. •ing the percentage of impervious co 3. For typical horse. ranch subdivisions increase above. cent area 5 per- cent over the values reco>zm� end IMPERVIOUS COVER RCFC, Ek WCD FOR rJYDRO� Ory /IA:N6A DEVELOPED AREAS Page 5 of 7 From: Tony Colarossi Sent: Tuesday, October 16, 2007 2:58 PM To: Ed Wimmer; Paul Goble Subject: RE: David Maman TT 33848 Revised Exhibits Ed and Paul, .After looking at the hydrology calculations (for instance the 100yr -1 hour calc), I noticed the FOR is not dividing up treet and lots which have Imp Values of 90 and 56 respectively. The following problems were found: 020ot P ge 3 of 4 indicates that not all of Ave 58 offsite storm flow will be retained on site. It says "south of th I dscape setback" B. E R needs to use Imp value of 90 for all streets to determine the required capacity of the retention basin. Thanl Tony From: Ed Wimmer Sent: Tuesday, October 16, 2007 11:10 AM To: Paul Goble; Tony Colarossi Subject: FW: David Maman TT 33848 Revised Exhibits Paul, Have you had a chance to look at the preliminary hydro? 52 10/24/2007 'JeS A^ -Nlexi ('ep.,�' ; 10/24/2007 Page 6 of 7 Ed Wimmer, P.E. Public Works Department Development Services Phone: (760) 777 -7075 Fax: (760) 777 -7155 Our Mission... to enhance the quality of life in the City of La Quinta by providing world class customer care and the highest quality design, construction & maintenance of public & private projects that respect the natural beauty of the City. 10/24/2007 Page 7 of 7 From: Andy Mogensen Sent: Friday, October 12, 2007 4:32 PM To: Ed Wimmer; Brian Ching Cc: 'Nicole Criste' Subject: David Maman TT 33848 Revised Exhibits Attached are the revised exhibits submitted to ouroffice today. You will find the tract map and revised hydrology report attached. Andrew J. Mogensen Principal Planner City of La Quinta Planning Department (760) 777 -7125 Fax (760) 777 -1233 www.la- quinta.org P.O. Box 1504 78495 Calle Tampico La Quinta, CA. 92247 -1504 This email and any files transmitted with it may contain legally privileged or otherwise confidential information. If you are not the intended recipient, or believe that you may have received this communication in error, please advise the sender via reply email and delete the email you received. This email address is to be used for official City of La Quinta correspondence only. Any messages transmitted to this address which contain advertisements, spam, malicious attachments, or any other type of inappropriate content may be deleted or blocked from receipt. 10/24/2007 Page 1 of 7 Ed Wimmer From: Tony Colarossi Sent: Friday, October 19, 2007 9:37 AM To: Ed Wimmer Subject: RE: David Maman TT 33848 Revised Exhibits Again, I do see you are very busy. Please let me know when you are available to talk. Tony From: Ed Wimmer Sent: Thursday, October 18, 2007 5:47 PM To: Tony Colarossi Subject: FW: David Maman TT 33848 Revised Exhibits Please see me on this. 10/24/2007 Page 2 of 7 Ed Wimmer, P.E. Public Works Department Development Services Phone: (760) 777 -7075 Fax: (760) 777 -7155 Our Mission... to enhance the quality of life in the City of La Quinta by providing world class customer care and the highest quality design, construction & maintenance of public &. private projects that respect the natural beauty of the City. 0 10/24/2007 Page 3 of 7 From: Tony Colarossi Sent: Wednesday, October 17, 2007 11:39 AM To: Ed Wimmer Subject: RE: David Maman TT 33848 Revised Exhibits No, I only sent my comments to you and Paul. I thought a discussion will evolve from this. Tony From: Ed Wimmer . Sent: Wednesday, October 17, 2007 11:38 AM To: Tony Colarossi Cc: Andy Mogensen; Paul Goble; Brian Ching; 'larry.cooley @us.bureauveritas.com' Subject: RE: David Maman TT 33848 Revised Exhibits Tony, Are you sending the hydro back to the Engineer for a resubmittal? 10/24/2007 Page 4 of 7 Ed Wimmer, P.E. 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J ♦ qx ,,(x♦ I 2 Nil I V " 0� I ;Q^� f u-) O 1 S Oro I! CC) vi I' allN IV H e / I b � I 1 I I i I �,I I I sl �r I c rr J.w, :f........�'.,:. J ♦ qx ,,(x♦ I 2 Nil I V " 0� I ;Q^� f u-) O 1 S Oro I! CC) vi I' allN IV H A- e AMEM00% 30' 0 30' 60' SCALE: 1 " = 30' RI V R/W 39' j 1.5' 18' 18' 1. TC =1.0' TO PROPOSED WEDGE CURB SUBGME PER DETAIL THIS SHEET PROPOSED AC. �E PAVEMENT OVER AGG. 84SE (Y?'P) TYPICAL SECTION INTERIOR STREET (PRIVATE) LOT "D" (NO SCALE) I N THE CITY OF LA QUINTA, COUNTY OF. R STATE OF CALIFORNIA -1 .. �, L: I x a AND . � - . �, A L T,ERNA C ON . 4 . . . . . . A PORTION OF THE NORTHEAST QUARTER OF THE NORTHEAST. UA Q RTER OF SECTION 27 T. 6 S- , R. 7 E., . I SAN BERNARDINO MERIDIAN f EP TUA L GRA DING A ND DRA INA GE PL A N (RE VISED) j � I 90' '�.. I � . . .. ..., - '. mjl. I I r "! I . . , .. � , I I : DECEiWBER 2007 I Genera/ P /an Zonis : Low, Dens t Residential _ _ �. i 9 f�L .. . - -� y APN:.. 764` .,0 0 -0 .1 . , Ex�sting Use. Single - Family Reddent�al (TrG c t 30092 1. : , ; . .. I BOP. R� .. RO. :, _ / ROP. CURB PROP. CURB 638' •' -- W -- -w - _ 1 - • __ -------__ �_ co W PROP. 18" D.I.P. WATER MA /N� W- - tI_--_-w_ - - - - - W - -W - - W- - ._w = S- ___?v3 S d- EXIST. 18 S SEWER FORCE MAIN - d � - 18' 18' - -$- -$ ' 0. 2 22 -S --s - -- - A VENUE 58 ,� .. 22 23 ' 4, 485.32' ._ -- - 60' • - .- - - S89'57'04 "E 324.00' 517. FACE OF CURB S- - - -S- -S _ _ _ // ��o (n'P.) 28 127 - - - - - - CLASS ll BICYCLE LANE PROP. 33" 1.C.A SEWER S - -S- - -S PP S -S- - -S - - _ 6 �o .A • . n 438.8 TC . . . . . 2 . . . 437.8 2 �� 28' 28' \� � 1 _ - . - - -T - eD T - _.._ . T -. _ T PROP, - _ - - _ _ I . . DECORI TIV� GATES - - - _ �--- -- - - - - - -. n n -T . Lij ,.. �:•' y R 23 23 . ::,:. 1 `. ',;:.. . •'4' �V: 1 1 1'''.•• f' °tea ^� 'S • r' •f .. 0 FF ER F OR DED/CA c�• T10N FO f : R PUB l Yi LC I t.. •Fr•.. ET •V �1 /KAj 'j: . �y :..l• � .� �, „r;. W /DEN /LAG MULTI -USE TRAIL . . . . _ _ . . , , � : ;�.:. '. ':y ,, 4c •.r. 1 _ /- --tl \ 15,552.`SF.. IW r ' 1 ``' '0.35 ACRES R 6 DECORATIVE LANDSCAPED (AS PER "AGRARIAN IMAGE CORRIDOR "} - �" ~ ^ `. . ' "' �. . '1' RAISED MEDIAN ISLAND cry - I 'TIDNAL "'4'"' 2 i • . . % Z . CITY OF LA QUINTA QENERAL PLAN : E o ;; `F a TURN- AROUND AREA o DECORATIVE STA�VIPEL) ky. & n n FOR REFUSED ENTRY O . . ' N 3 - - _ _ • L 0 T _ " ^ � ------:. - _CQLARED MNORETE rr I 1 '_�- � •N C i. . - -- ) - - " LANDSCAPE PACE PARKWAY • CARD READER �� , R= 6' BOMAN/TE OR EQ, =1 • ;� DECORATNE LANDSCAPED '. & CALL BOX I . LOT �� BAND WITH SMOOTH- TROWEL ':, 0 3,315. SF . RESIDENT 'Q - L• 0 / B PORTLAND CEMENT CONCRETE "' ' ,�C: - ��SED MEDIAN ISLAND ' ' �,r� ACRES _� f LANE 185 �;, 80 �C :. LANDSCAQE /OPEN SPACE PARKWAY. O 3 �. 7,68.3. $F 20' r- - - - -- - - - - -M .. --- - -.- -7 - �� . 3 -CAR STACKING .. • 0.`17 ACRES -�� fib' . -11 15 . MIN. �� CARD R ER j \I . (TYP.) I to � .: & CALL B X ; ; ' . `4- T. . .. .. ? I 6' PEDESTRIAN GATE ; ?` PROP. MAIN ' % yh l % R 6' r� �,\ I / O ENTRY ,GA .... . ii V 1 :s: ' 1r. . . .. � I % HANDICAP RAMP / ..: F L O „-- -_ 13 851 SF �': T s . FF =439.0 " ( :ti;, : •r STORM WATER R /ON OPEN DECORAT/Vli LANDSCAPED .. . r ..' . . I - ,' �P' • r / PE- 438.5 O SPA 14, RAISED MEDIAN ISLAND - ` DEDRATIVE iWDSCAPEb ::' � . vj 1 I RAISED MEDIAN /STAND �' ti �'N'� +' w I PROP. SD 9NHOLE \ .. ' c PROP. SA. �ILTER 7,-/ I. . . . t I _ °' "� PER C /TYST ✓'., r �� ENTRY DRIVE DETAIL - - - - -- - - - - e• s AlL (- - - _ �.. �� 163 R/W c 19.5' BA OF ' CURB FACE OF CURB 6" 14" 4" 16' OR 18' 1.5" R =0.5" 1* ., R =0.5" (o R i I R=0.5" . �4 1 't . PAVEMENT EM E AV A.C. A CP 1 ',. R ti, .� .'t• r . f: I 10 1. ..n .R =1.0" 4- e CLASS Il v' AGGREGATE I- 19" NORTH 60" WEDGE CURB (NO SCALE) 10, LANDSCAPE TRAIL SETBACK 12' VARIES 2X �--8'� TO 2OX MAX• I ZX I PROPOSED OR EXISTING-J CURB & GUTTER(TYP,) EXISTING (OR UNDER CONSTRUC-i A.C. PAVEMENT OVER AGG. BASE VAR /ES 78' -90' , 36' -48' 2X -� , �� 22'i' EX /ST. A.C. PAVEMENT LEGEND: EXHIBIT REVISION 34 /ND /CA TES PROPOSED L 0 T NUMBER STACKING LENGTHS TO BE APPROVED BY THE Cl CB INDICA TES CA TCH BASIN DISTANCES TC INDICATES TOP OF CURB 23' CL INDICATES CENTERLINE f0' PL INDICA TES PROPERTY LINE 23' PP INDICA TES POWER POLE . REMOTE (CARDLESS) TRANSPONDER UTILIZED FOR R INDICA TES RADIUS INDICA TES EASEMENT �0.5X INDICA TES PROPOSED GRADIEN7' ' INDICA TES EDGE OF LANDSCAPE SWALE INDICATES EXISTING /PROPOSED SEWER MAIN -5-5- -W -W- INDICA TES EXISTING /PROPOSED WA TER MAIN INDICATES EXISTING TELEPHONE LINE -T -T- _10 INDICATES EXISTING 11D DRAIN LINE -10- TD INDICATES EXISTING llD TILE DRAIN LINE TD -IRR INDICATES EXISTING 11D IRRIGATION LINE IRR INDICATES PROPOSED BLOCK WALL 0 INDICATES EXISTING PALMS RI V R/W 39' j 1.5' 18' 18' 1. TC =1.0' TO PROPOSED WEDGE CURB SUBGME PER DETAIL THIS SHEET PROPOSED AC. �E PAVEMENT OVER AGG. 84SE (Y?'P) TYPICAL SECTION INTERIOR STREET (PRIVATE) LOT "D" (NO SCALE) I N THE CITY OF LA QUINTA, COUNTY OF. R STATE OF CALIFORNIA -1 .. �, L: I x a AND . � - . �, A L T,ERNA C ON . 4 . . . . . . A PORTION OF THE NORTHEAST QUARTER OF THE NORTHEAST. UA Q RTER OF SECTION 27 T. 6 S- , R. 7 E., . I SAN BERNARDINO MERIDIAN f EP TUA L GRA DING A ND DRA INA GE PL A N (RE VISED) j � I 90' '�.. I � . . .. ..., - '. mjl. I I r "! I . . , .. � , I I : DECEiWBER 2007 I Genera/ P /an Zonis : Low, Dens t Residential _ _ �. i 9 f�L .. . - -� y APN:.. 764` .,0 0 -0 .1 . , Ex�sting Use. Single - Family Reddent�al (TrG c t 30092 1. : , ; . .. I BOP. R� .. RO. :, _ / ROP. CURB PROP. CURB 638' •' -- W -- -w - _ 1 - • __ -------__ �_ co W PROP. 18" D.I.P. WATER MA /N� W- - tI_--_-w_ - - - - - W - -W - - W- - ._w = S- ___?v3 S d- EXIST. 18 S SEWER FORCE MAIN - d � - 18' 18' - -$- -$ ' 0. 2 22 -S --s - -- - A VENUE 58 ,� .. 22 23 ' 4, 485.32' ._ -- - 60' • - .- - - S89'57'04 "E 324.00' 517. FACE OF CURB S- - - -S- -S _ _ _ // ��o (n'P.) 28 127 - - - - - - CLASS ll BICYCLE LANE PROP. 33" 1.C.A SEWER S - -S- - -S PP S -S- - -S - - _ 6 �o .A • . n 438.8 TC . . . . . 2 . . . 437.8 2 �� 28' 28' \� � 1 _ - . - - -T - eD T - _.._ . T -. _ T PROP, - _ - - _ _ I . . DECORI TIV� GATES - - - _ �--- -- - - - - - -. n n -T . Lij ,.. �:•' y R 23 23 . ::,:. 1 `. ',;:.. . •'4' �V: 1 1 1'''.•• f' °tea ^� 'S • r' •f .. 0 FF ER F OR DED/CA c�• T10N FO f : R PUB l Yi LC I t.. •Fr•.. ET •V �1 /KAj 'j: . �y :..l• � .� �, „r;. W /DEN /LAG MULTI -USE TRAIL . . . . _ _ . . , , � : ;�.:. '. ':y ,, 4c •.r. 1 _ /- --tl \ 15,552.`SF.. IW r ' 1 ``' '0.35 ACRES R 6 DECORATIVE LANDSCAPED (AS PER "AGRARIAN IMAGE CORRIDOR "} - �" ~ ^ `. . ' "' �. . '1' RAISED MEDIAN ISLAND cry - I 'TIDNAL "'4'"' 2 i • . . % Z . CITY OF LA QUINTA QENERAL PLAN : E o ;; `F a TURN- AROUND AREA o DECORATIVE STA�VIPEL) ky. & n n FOR REFUSED ENTRY O . . ' N 3 - - _ _ • L 0 T _ " ^ � ------:. - _CQLARED MNORETE rr I 1 '_�- � •N C i. . - -- ) - - " LANDSCAPE PACE PARKWAY • CARD READER �� , R= 6' BOMAN/TE OR EQ, =1 • ;� DECORATNE LANDSCAPED '. & CALL BOX I . LOT �� BAND WITH SMOOTH- TROWEL ':, 0 3,315. SF . RESIDENT 'Q - L• 0 / B PORTLAND CEMENT CONCRETE "' ' ,�C: - ��SED MEDIAN ISLAND ' ' �,r� ACRES _� f LANE 185 �;, 80 �C :. LANDSCAQE /OPEN SPACE PARKWAY. O 3 �. 7,68.3. $F 20' r- - - - -- - - - - -M .. --- - -.- -7 - �� . 3 -CAR STACKING .. • 0.`17 ACRES -�� fib' . -11 15 . MIN. �� CARD R ER j \I . (TYP.) I to � .: & CALL B X ; ; ' . `4- T. . .. .. ? I 6' PEDESTRIAN GATE ; ?` PROP. MAIN ' % yh l % R 6' r� �,\ I / O ENTRY ,GA .... . ii V 1 :s: ' 1r. . . .. � I % HANDICAP RAMP / ..: F L O „-- -_ 13 851 SF �': T s . FF =439.0 " ( :ti;, : •r STORM WATER R /ON OPEN DECORAT/Vli LANDSCAPED .. . r ..' . . I - ,' �P' • r / PE- 438.5 O SPA 14, RAISED MEDIAN ISLAND - ` DEDRATIVE iWDSCAPEb ::' � . vj 1 I RAISED MEDIAN /STAND �' ti �'N'� +' w I PROP. SD 9NHOLE \ .. ' c PROP. SA. �ILTER 7,-/ I. . . . t I _ °' "� PER C /TYST ✓'., r �� ENTRY DRIVE DETAIL - - - - -- - - - - e• s AlL (- - - _ �.. �� 163 R/W c 19.5' BA OF ' CURB FACE OF CURB 6" 14" 4" 16' OR 18' 1.5" R =0.5" 1* ., R =0.5" (o R i I R=0.5" . �4 1 't . PAVEMENT EM E AV A.C. A CP 1 ',. R ti, .� .'t• r . f: I 10 1. ..n .R =1.0" 4- e CLASS Il v' AGGREGATE I- 19" NORTH 60" WEDGE CURB (NO SCALE) 10, LANDSCAPE TRAIL SETBACK 12' VARIES 2X �--8'� TO 2OX MAX• I ZX I PROPOSED OR EXISTING-J CURB & GUTTER(TYP,) EXISTING (OR UNDER CONSTRUC-i A.C. PAVEMENT OVER AGG. BASE VAR /ES 78' -90' , 36' -48' 2X -� , �� 22'i' EX /ST. A.C. PAVEMENT LINE SOUS H PROPOSED R/W R/W 48' 42' "A" "B" "C' LOT A LOTS B & C R FOR DEDICATION FOR LANDSCAPE10PEN SPACE 9LIC STREET WIDENING PARKWAY ' 4' 14' 25' MULTI -USE ADDITIONAL TRAIL LANDSCAPE AL 0.09" 2X 2X - 0- i r- MEANDERING SIDEWALK PROPOSED CURB & GUTTER (TYP.) PROPOSED A.C. PAVEMENT OVER AGG. LASE (TYP.) TYPICAL SECT /ON AVENUE 58 (NO SCALE) PROJECT � SITE =_ C VICINITY MAP (NO SCALE) THOMAS BROTHERS GUIDE 2003 EDMON PAGE 5592, COORDINATES B3 LEGAL DESCRIPTION: ALL THAT PORTION OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF SECTION 27, T.6S, R.7E, SAN BERNARDINO BASE AND MERIDIAN, IN THE CITY OF LA QUINTA, COUNTY OF RIVERSIDE, STATE OF CALIFORNIA, AS SHOWN BY UNITED STATES GOVERNMENT SURVEY, DESCRIBED AS FOLLOWS: BEGINNING ON A POINT ON THE NORTH LINE OF THE NORTHEAST QUARTER OF SAID SECTION 517.60 FEET WEST OF THE NORTHEAST CORNER OF SAID NORTHEAST QUARTER OF SECTION 27; THENCE AT A RIGHT ANGLE SOUTHERLY 651.00 FEET,• THENCE AT A RIGHT ANGLE WESTERLY 324.00 FEET; THENCE AT A RIGHT ANGLE NORTHERLY 651.00 FEET TO THE NORTHERLY LINE OF SAID NORTHEAST QUARTER OF SAID SECTION; THENCE EASTERLY ALONG SAID NORTHERLY LINE 324.00 FEET TO THE POINT OF BEGINNING. OWNER: QUINTA DEL SOL, LLC 6541 HOLLYWOOD BLVD., SUITE 203 LOS ANGELES, CA 90028 (323) 466 -8066 DAVID MAMAN DESIGNS 6541 HOLLYWOOD BLVD., SUITE 203 LOS ANGELES, CA 90028 (323) 466 -8066 - - - - - APN 764 -180 -003 • ACREAGE. ... GROSS: 4.84 ACRES (210, 830 S.F.) NET: 4.59 ACRES (199, 940 S.F.) OFFER FOR DEDICATION: 0.36 ACRES (15,552 S.F.) (FOR PUBLIC STREET WIDENING) LAND USE: EX /STING: SINGLE FAMILY RESIDENTIAL (WITH ACCESSORY STRUCTURES) PROPOSED: RESIDENTIAL SUBDIVISION WITH PRIVATE STREET (GATED) 12 RESIDENTIAL & 5 LETTERED LOTS LOT TABULATION: MINIMUM LOT SIZE: 11,056 S.F. (LOT 4) MAXIMUM LOT SIZE. 14,J98 S F. (LOT 8) AVERAGE LOT SIZE: 11,776 S.F. PROPOSED DENSITY: 2.61 DWELLING UNITS PER ACRE GENERAL PI- AN /70N1N0 nA TA '� }� �; / :': , :'I ::. j 0 - •\ ', _ �-� GENERAL PLAN: LOW DENSITY RESIDENTIAL , . . I �,,' . F----- :-------- - - - - -- 1.5 ;,� I "� I PROP, \� �,-�C. ZONING: RL i - h 436. i /�6.. , .'n . jw� N .1 : Jj 1. . • 0 . . ./ . . - 436. TC Q7 �) � 4 ..�J+ &GO yw . ,., . .. . ,,�!P. : NOTES. TY k I (• E $ tl i ` �p '�� .. .1 � �, I .. t � z . I., ' I MENANCE ACCESS P BEHIND k° �,�'`".... ,, ' ' TE l l , I. NO ABOVE OR BELOW GROUND FLAMMABLE OR COMBUSTIBLE LIQUIDS OR WASTE 0 /LS ARE '� I 2 / 3 TC ' ' ;` DECQRATNE ENTRY GATE (D 0 PROPOSED R ``' '- 0 KNOWN TO EXIST ON THE SITE: -'C�; I 11,080 SF Lp 95' BLOCK WALL TO SURROUND RETKN110N AREA) �n " 1. : ��,) ! I . . FF =439.0 •1 Nry : 1,•�5� Q�Kt�• Jti� 2. FEMA FLOOD ZONE -FLOOD ZONE "C ; DEFINED AS "AREAS OF MINIMAL FLOODING,, .. :. I . . PE =438.5 �' , y , (COMMUNITY PANEL 0602452300 D, REVISED MARCH 22 1983) t. .. I _ . J. C �: �o `r .._� - -r - -- - -- RECORDS TH / 7 ACCORDING TO COUNTY E SITE lS NOT WITHIN A . I ( h .' I ,526 K��h FAULT AREA (AS PER THE EARTHQUAKE FAULT HAZARD ZONE. - -_ - -- ( z' - - 7-43' - -; , - - _- -1 ;3,- '`0, �!i( I�i� 1 i; . - : LZ I 20' Q y'�?IS 4. SOURCE OF TOPOGRAPHICAL D4TA: TMR ASSOCIATES, SAN BERNARD /NO . ! ' : i . ' 1 MIN. CALIFORNIA,• DATED JUNE, 2005. : 1 I- - - - - - - - - - - - -7 ' , - `� . 11, 098 SF I i�P•) 5. THE TENTATIVE MAP INCLUDES THE ENTIRE CON71G000S OWNERSHIP . :3 5 OF THE LAND DIVIDER. . 1. .. Q) . I � f :;: - I : PE 4,8. I . = t ; .. I 4 .7 TC 436.6 TC .; I _ ,- , . 6. EXISTING DATE PALMS TO BE REDISTRIBUTED ONSITE CONSISTENT WITH I ARCHITECTURAL /LANDSCAPING PLANS, SUBJECT TO CITY REVIEW AND J I I EXISTING BUILDINGS' TO BE I i APPROVAL. t I REMOVED. TYP, Q� 1. ::1 O ,: ..... I S /T/ON OF EXISTING STRUCTURES ON SITE AS PER TH I. t ! , ; ,' , (' E RECOMMENDATIONS OF l oo I.:' . . ... , . ' .i :.. :r - ::r::: { ; • E/LAR &ASSOCIATES, PROJECT ARCHEOLOGIST, AND THE Cl ..I :- . ; ,'h'. , , . , , : :- - TY OF LA QUINTA HISTORIC : I :1 '1,071 SF 5 �' I , PRESERVAT /ON COMM /SS /ON. v r - I' v: 1, t . • I .} !. ,. FE 438.5 ( I . EO , i :; ; - s „� _; I I j I ; ; P �o ; C t E -438. D 4i ... - �: N r I I �� zo - -- -- - - - --1 . . o ; ( , " .:;.,�,�_ �. - I N�l - { , o - . , W W 137 W o .11 , (.' ..: O I _ UTILITIES: . V �. o 1 r V .., :. ! ).-� . 0 t I I : � ,.,.-. , . O' o O - '!.' � 1_ I � . 2 N Q . "i i {. `I t . 1. '' ^^�1 n vJ � 1 t_ I'. LE l • E CT C• R. • Z MP ER O /AL � /R R/G • ATION D/S 17?/ 0 L h 0 ;: CT V' v TELEPHONE' -1�6� � r� ;; E HO E v ae. ERI W O ZON R _ f. O v o :I . o - - - - - - - - - - ° J J . W � - � �' THE GAS COMPANY a 0 oq co WATER. COACHELLA VALLEY ALLEY WATER DISTRICT R/C - ci 1 r O :. ; - I, :.,F ... o I N/TARY SEWER: COACHELLA VALLEY WATER o I : , '� J,�- 11 057' SF `� � Q D /STR /CT 1 r ;, �. ,t o I o I ° . O _. N CABLE' TIME WARNER (� -� F =439 0. . ! F . D �, 1 Z = I L)ECORjATNE,_LANDSCAPEO i I I i% . °0 I o0 0 SCHOOL D /STRICT• DESERT SANDS UNIFIED SCHOOL DISTRICT ,, :, ; ; PE :438.5 �' �- �': ` I RAISED. MEDIAN ISLAND : I d` I WASTE DISPOSAL: WASTE MANAGEMENT OF THE DESERT 1. h "_ . . 11 O.. O> - . -, �.. � "I Q) f . , ;.% - f . i . I 4 . _ f.. . 1. .. 1. / I ,�;� , ,' . .I. . C 43 _ � % .,. .3 TC -. : I ` SF o � _ ILS,10 56 ' U i r SEMENT DETA I ` I 1 • I. t ' ; - ! I FF= 439.0 I ::� . 437.3 TC o ; k - _ , f ; j I `- i �. • '`` �'. I 41 r 5 t\ L �,. l =- '' } I -- - - - -' - , _ = - PE= 438.5: _ . _...f - - - - - - - - - - - - J \ ;t, J�` i ; .r `� .... 1 i ANON - EXCLUSIVE EASEMENT OVER TH 1 r _ __ <�.__.____ -. _ ) I �/, i l 10 E NORTHERLY 30 FE - - -' -- - -- - _ _ . Z>.,.. EX /STING (OR UNDER CsONSTRUG�T /ON� '', I , ; ,_ " , -- ' t % 1 "t % 20 i t . ' , - -_- -- - : s -...; . _ . { T , ;� ` r� / -: i + E SOUTHERLY 15 FEET F D 11 _.. .� ,- _ -- _ - _ _ OR ROAD AND PIPE/NE I +. ; :� A.C. PAVEMENT OVER AGG', (� E P. �. �I / ' {" X :. - _ - - - - - 1 l ✓ ,. -r.. PURPOSES, AND AN EASEMENT �Ty I - - - - - ',• EMENT FORA 12 -INCH I 137 S TH i I ..� �J�,,, � )� �1..__ - -'�•• � .�;,i..�.. ', �<�1/ .',_ � J';- �� :� -, MIN. �I .- - -� _ . _.... .- - . � --r:- .; `,' - --� PIPE LINE -: -,, ,.., :.�-�, .., ...:, _ +,_.�i ., . •- ,.�... , -- -'.; I �'' _ __ L � .. i 1- ; '-' i , _ `� , ' �• L�. �' OVER THE �. I , TYP. { (; -' - i r T z , , �T ^ f ,, ,', - ` � _...` - NORTHERLY 6 FEET; AND INCIDENTAL C i , , �.....- -� �, �::• -t..1 , . ( ) , " + t _ L PURPOSES, /N DE L - - - - - - -1 1 I _ ' .. , ', .. U' .: POSES, ED RECORDED JUNE 6, i : 5 r - --�'- -. -_ , __ -- _ r 1 . �,. .. _ ., K 2099 PAGE 304 OF OFFICIAL RECORDS AS RESERVED BY �) )1 f J i, ; - I 1 8 -i , 1 , 1 1 �- 1957 IN BOO 1-1 4. j`; r. ' _ ,._.. x.�_. , -' 'I./ -- --1 %. r =; , .. RUELLA S SCHAFER. ' �' . �1 f. t^4. :.. _ ! f ` .! ..�� i4L -r ``• i' - - -• I -. - ,�'- -I- �. - - , 1 1'L. -_i•. •f n y r,i ! / 'I� i ; r .� {' ,1,• , J ;` %i:. ! \ -IN I�X i - -'. 'O ..::I ... :! , ; ; 0 A RIGHT OF WAY 4 FEET /N WIDTH FORA 12 -INCH PIPE L/NE AS LOCATED SUBJECT PROPERTY ' 111 , i REPRESENTS M /N. `B lLL)l 1 I J i , ._ _ I ``� 2 ' 20,1 I I `' ; i ! , / , , _ (�� "V (� :� :. _.: .'.. U. I , �, _ , ; I , �' , .. I - i` ., ;' i ACROSS THE HEREIN DESCRIBED LAND THE CE ''V LOT 1 LOT 17 i } l - 20 1 1 , - ".I �. LATER LINE THEREOF BE /LAG / .. f '� S;E7BAckl- ,,MIS lYP'' r; : , I 1; , + { a ( ) J, 128 SF { '� 1.? ... ! ' I' ,, : :' LOCATED 32 FEET SOOT M H OF AND PARALLEL WITH J I . ', •:C. , ;<• 1•• THE ND f ' _ - NORTH LINE ;; Ml I OF HE . .. .. T rr nn ,� ,. . 1 j :i:. I N I ;: " V I . =439.5 NORTHEAST QUARTER OF SAID SECTION. :; �, I TYP.' fF. . I( ). I PE4439, 0 I w ,. N) 5� i �.., 1 Q :.. • , r, .. . '•. " I ' ` 11 `` F V AND INCIDENTAL PURPOSES IN I I I AN EASEMENT FOR POWER LINE OR LINES A i 1 • -� I , ,_ �; o ,P., c� Z , . :. A OR OF IMPERIAL IRRIGATION DISTRICT IN INSTRUMENT RECORDED MARCH 5 28, 1989 AS INSTRUMENT N0. 89- 094143 OF -x: i t. , w I 1 p I OFF /C /A 10 ,098 t . L RECORDS. SAID 6' HIGH DECORATIVE .: 1 :. ;' . -': 1 EASEMENT IS DES O . _ SF '' k Q • , - Cam( CR /BED AS FOLLOWS: THE SOUTH 60 FEET OF THE NO BLOCK WALL I FF -439.5 cn -- - -- �� L - - • . I �.-,..•.�. I 1:; . .9n FFFT OF TPP dRnVE' me ,^c,QCn oonorory NORTH �> i1i ', a LOT "D" EXHIBIT REVISION (NO SCALE) I FF= 440.0 ' k ; . ) STACKING LENGTHS TO BE APPROVED BY THE Cl MINIMUM MINIMUM DISTANCES SHOWN ARE TO ACCOMMODA DISTANCES TURNING MOVEMENTS FOR ENTRANCE AND EXIT A 23' AND LANDSCAPING FOR THE ISLANDS. B f0' GATES TO BE EQUIPPED WITH A "KNOX" BOX C 23' AS PER FIRE DEPARTMENT REQUIREMENTS. ____ I REMOTE (CARDLESS) TRANSPONDER UTILIZED FOR RESIDENT ENTRY. LINE SOUS H PROPOSED R/W R/W 48' 42' "A" "B" "C' LOT A LOTS B & C R FOR DEDICATION FOR LANDSCAPE10PEN SPACE 9LIC STREET WIDENING PARKWAY ' 4' 14' 25' MULTI -USE ADDITIONAL TRAIL LANDSCAPE AL 0.09" 2X 2X - 0- i r- MEANDERING SIDEWALK PROPOSED CURB & GUTTER (TYP.) PROPOSED A.C. PAVEMENT OVER AGG. LASE (TYP.) TYPICAL SECT /ON AVENUE 58 (NO SCALE) PROJECT � SITE =_ C VICINITY MAP (NO SCALE) THOMAS BROTHERS GUIDE 2003 EDMON PAGE 5592, COORDINATES B3 LEGAL DESCRIPTION: ALL THAT PORTION OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF SECTION 27, T.6S, R.7E, SAN BERNARDINO BASE AND MERIDIAN, IN THE CITY OF LA QUINTA, COUNTY OF RIVERSIDE, STATE OF CALIFORNIA, AS SHOWN BY UNITED STATES GOVERNMENT SURVEY, DESCRIBED AS FOLLOWS: BEGINNING ON A POINT ON THE NORTH LINE OF THE NORTHEAST QUARTER OF SAID SECTION 517.60 FEET WEST OF THE NORTHEAST CORNER OF SAID NORTHEAST QUARTER OF SECTION 27; THENCE AT A RIGHT ANGLE SOUTHERLY 651.00 FEET,• THENCE AT A RIGHT ANGLE WESTERLY 324.00 FEET; THENCE AT A RIGHT ANGLE NORTHERLY 651.00 FEET TO THE NORTHERLY LINE OF SAID NORTHEAST QUARTER OF SAID SECTION; THENCE EASTERLY ALONG SAID NORTHERLY LINE 324.00 FEET TO THE POINT OF BEGINNING. OWNER: QUINTA DEL SOL, LLC 6541 HOLLYWOOD BLVD., SUITE 203 LOS ANGELES, CA 90028 (323) 466 -8066 DAVID MAMAN DESIGNS 6541 HOLLYWOOD BLVD., SUITE 203 LOS ANGELES, CA 90028 (323) 466 -8066 - - - - - APN 764 -180 -003 • ACREAGE. ... GROSS: 4.84 ACRES (210, 830 S.F.) NET: 4.59 ACRES (199, 940 S.F.) OFFER FOR DEDICATION: 0.36 ACRES (15,552 S.F.) (FOR PUBLIC STREET WIDENING) LAND USE: EX /STING: SINGLE FAMILY RESIDENTIAL (WITH ACCESSORY STRUCTURES) PROPOSED: RESIDENTIAL SUBDIVISION WITH PRIVATE STREET (GATED) 12 RESIDENTIAL & 5 LETTERED LOTS LOT TABULATION: MINIMUM LOT SIZE: 11,056 S.F. (LOT 4) MAXIMUM LOT SIZE. 14,J98 S F. (LOT 8) AVERAGE LOT SIZE: 11,776 S.F. PROPOSED DENSITY: 2.61 DWELLING UNITS PER ACRE GENERAL PI- AN /70N1N0 nA TA '� }� �; / :': , :'I ::. j 0 - •\ ', _ �-� GENERAL PLAN: LOW DENSITY RESIDENTIAL , . . I �,,' . F----- :-------- - - - - -- 1.5 ;,� I "� I PROP, \� �,-�C. ZONING: RL i - h 436. i /�6.. , .'n . jw� N .1 : Jj 1. . • 0 . . ./ . . - 436. TC Q7 �) � 4 ..�J+ &GO yw . ,., . .. . ,,�!P. : NOTES. TY k I (• E $ tl i ` �p '�� .. .1 � �, I .. t � z . I., ' I MENANCE ACCESS P BEHIND k° �,�'`".... ,, ' ' TE l l , I. NO ABOVE OR BELOW GROUND FLAMMABLE OR COMBUSTIBLE LIQUIDS OR WASTE 0 /LS ARE '� I 2 / 3 TC ' ' ;` DECQRATNE ENTRY GATE (D 0 PROPOSED R ``' '- 0 KNOWN TO EXIST ON THE SITE: -'C�; I 11,080 SF Lp 95' BLOCK WALL TO SURROUND RETKN110N AREA) �n " 1. : ��,) ! I . . FF =439.0 •1 Nry : 1,•�5� Q�Kt�• Jti� 2. FEMA FLOOD ZONE -FLOOD ZONE "C ; DEFINED AS "AREAS OF MINIMAL FLOODING,, .. :. I . . PE =438.5 �' , y , (COMMUNITY PANEL 0602452300 D, REVISED MARCH 22 1983) t. .. I _ . J. C �: �o `r .._� - -r - -- - -- RECORDS TH / 7 ACCORDING TO COUNTY E SITE lS NOT WITHIN A . I ( h .' I ,526 K��h FAULT AREA (AS PER THE EARTHQUAKE FAULT HAZARD ZONE. - -_ - -- ( z' - - 7-43' - -; , - - _- -1 ;3,- '`0, �!i( I�i� 1 i; . - : LZ I 20' Q y'�?IS 4. SOURCE OF TOPOGRAPHICAL D4TA: TMR ASSOCIATES, SAN BERNARD /NO . ! ' : i . ' 1 MIN. CALIFORNIA,• DATED JUNE, 2005. : 1 I- - - - - - - - - - - - -7 ' , - `� . 11, 098 SF I i�P•) 5. THE TENTATIVE MAP INCLUDES THE ENTIRE CON71G000S OWNERSHIP . :3 5 OF THE LAND DIVIDER. . 1. .. Q) . I � f :;: - I : PE 4,8. I . = t ; .. I 4 .7 TC 436.6 TC .; I _ ,- , . 6. EXISTING DATE PALMS TO BE REDISTRIBUTED ONSITE CONSISTENT WITH I ARCHITECTURAL /LANDSCAPING PLANS, SUBJECT TO CITY REVIEW AND J I I EXISTING BUILDINGS' TO BE I i APPROVAL. t I REMOVED. TYP, Q� 1. ::1 O ,: ..... I S /T/ON OF EXISTING STRUCTURES ON SITE AS PER TH I. t ! , ; ,' , (' E RECOMMENDATIONS OF l oo I.:' . . ... , . ' .i :.. :r - ::r::: { ; • E/LAR &ASSOCIATES, PROJECT ARCHEOLOGIST, AND THE Cl ..I :- . ; ,'h'. , , . , , : :- - TY OF LA QUINTA HISTORIC : I :1 '1,071 SF 5 �' I , PRESERVAT /ON COMM /SS /ON. v r - I' v: 1, t . • I .} !. ,. FE 438.5 ( I . EO , i :; ; - s „� _; I I j I ; ; P �o ; C t E -438. D 4i ... - �: N r I I �� zo - -- -- - - - --1 . . o ; ( , " .:;.,�,�_ �. - I N�l - { , o - . , W W 137 W o .11 , (.' ..: O I _ UTILITIES: . V �. o 1 r V .., :. ! ).-� . 0 t I I : � ,.,.-. , . O' o O - '!.' � 1_ I � . 2 N Q . "i i {. `I t . 1. '' ^^�1 n vJ � 1 t_ I'. LE l • E CT C• R. • Z MP ER O /AL � /R R/G • ATION D/S 17?/ 0 L h 0 ;: CT V' v TELEPHONE' -1�6� � r� ;; E HO E v ae. ERI W O ZON R _ f. O v o :I . o - - - - - - - - - - ° J J . W � - � �' THE GAS COMPANY a 0 oq co WATER. COACHELLA VALLEY ALLEY WATER DISTRICT R/C - ci 1 r O :. ; - I, :.,F ... o I N/TARY SEWER: COACHELLA VALLEY WATER o I : , '� J,�- 11 057' SF `� � Q D /STR /CT 1 r ;, �. ,t o I o I ° . O _. N CABLE' TIME WARNER (� -� F =439 0. . ! F . D �, 1 Z = I L)ECORjATNE,_LANDSCAPEO i I I i% . °0 I o0 0 SCHOOL D /STRICT• DESERT SANDS UNIFIED SCHOOL DISTRICT ,, :, ; ; PE :438.5 �' �- �': ` I RAISED. MEDIAN ISLAND : I d` I WASTE DISPOSAL: WASTE MANAGEMENT OF THE DESERT 1. h "_ . . 11 O.. O> - . -, �.. � "I Q) f . , ;.% - f . i . I 4 . _ f.. . 1. .. 1. / I ,�;� , ,' . .I. . C 43 _ � % .,. .3 TC -. : I ` SF o � _ ILS,10 56 ' U i r SEMENT DETA I ` I 1 • I. t ' ; - ! I FF= 439.0 I ::� . 437.3 TC o ; k - _ , f ; j I `- i �. • '`` �'. I 41 r 5 t\ L �,. l =- '' } I -- - - - -' - , _ = - PE= 438.5: _ . _...f - - - - - - - - - - - - J \ ;t, J�` i ; .r `� .... 1 i ANON - EXCLUSIVE EASEMENT OVER TH 1 r _ __ <�.__.____ -. _ ) I �/, i l 10 E NORTHERLY 30 FE - - -' -- - -- - _ _ . Z>.,.. EX /STING (OR UNDER CsONSTRUG�T /ON� '', I , ; ,_ " , -- ' t % 1 "t % 20 i t . ' , - -_- -- - : s -...; . _ . { T , ;� ` r� / -: i + E SOUTHERLY 15 FEET F D 11 _.. .� ,- _ -- _ - _ _ OR ROAD AND PIPE/NE I +. ; :� A.C. PAVEMENT OVER AGG', (� E P. �. �I / ' {" X :. - _ - - - - - 1 l ✓ ,. -r.. PURPOSES, AND AN EASEMENT �Ty I - - - - - ',• EMENT FORA 12 -INCH I 137 S TH i I ..� �J�,,, � )� �1..__ - -'�•• � .�;,i..�.. ', �<�1/ .',_ � J';- �� :� -, MIN. �I .- - -� _ . _.... .- - . � --r:- .; `,' - --� PIPE LINE -: -,, ,.., :.�-�, .., ...:, _ +,_.�i ., . •- ,.�... , -- -'.; I �'' _ __ L � .. i 1- ; '-' i , _ `� , ' �• L�. �' OVER THE �. I , TYP. { (; -' - i r T z , , �T ^ f ,, ,', - ` � _...` - NORTHERLY 6 FEET; AND INCIDENTAL C i , , �.....- -� �, �::• -t..1 , . ( ) , " + t _ L PURPOSES, /N DE L - - - - - - -1 1 I _ ' .. , ', .. U' .: POSES, ED RECORDED JUNE 6, i : 5 r - --�'- -. -_ , __ -- _ r 1 . �,. .. _ ., K 2099 PAGE 304 OF OFFICIAL RECORDS AS RESERVED BY �) )1 f J i, ; - I 1 8 -i , 1 , 1 1 �- 1957 IN BOO 1-1 4. j`; r. ' _ ,._.. x.�_. , -' 'I./ -- --1 %. r =; , .. RUELLA S SCHAFER. ' �' . �1 f. t^4. :.. _ ! f ` .! ..�� i4L -r ``• i' - - -• I -. - ,�'- -I- �. - - , 1 1'L. -_i•. •f n y r,i ! / 'I� i ; r .� {' ,1,• , J ;` %i:. ! \ -IN I�X i - -'. 'O ..::I ... :! , ; ; 0 A RIGHT OF WAY 4 FEET /N WIDTH FORA 12 -INCH PIPE L/NE AS LOCATED SUBJECT PROPERTY ' 111 , i REPRESENTS M /N. `B lLL)l 1 I J i , ._ _ I ``� 2 ' 20,1 I I `' ; i ! , / , , _ (�� "V (� :� :. _.: .'.. U. I , �, _ , ; I , �' , .. I - i` ., ;' i ACROSS THE HEREIN DESCRIBED LAND THE CE ''V LOT 1 LOT 17 i } l - 20 1 1 , - ".I �. LATER LINE THEREOF BE /LAG / .. f '� S;E7BAckl- ,,MIS lYP'' r; : , I 1; , + { a ( ) J, 128 SF { '� 1.? ... ! ' I' ,, : :' LOCATED 32 FEET SOOT M H OF AND PARALLEL WITH J I . ', •:C. , ;<• 1•• THE ND f ' _ - NORTH LINE ;; Ml I OF HE . .. .. T rr nn ,� ,. . 1 j :i:. I N I ;: " V I . =439.5 NORTHEAST QUARTER OF SAID SECTION. :; �, I TYP.' fF. . I( ). I PE4439, 0 I w ,. N) 5� i �.., 1 Q :.. • , r, .. . '•. " I ' ` 11 `` F V AND INCIDENTAL PURPOSES IN I I I AN EASEMENT FOR POWER LINE OR LINES A i 1 • -� I , ,_ �; o ,P., c� Z , . :. A OR OF IMPERIAL IRRIGATION DISTRICT IN INSTRUMENT RECORDED MARCH 5 28, 1989 AS INSTRUMENT N0. 89- 094143 OF -x: i t. , w I 1 p I OFF /C /A 10 ,098 t . L RECORDS. SAID 6' HIGH DECORATIVE .: 1 :. ;' . -': 1 EASEMENT IS DES O . _ SF '' k Q • , - Cam( CR /BED AS FOLLOWS: THE SOUTH 60 FEET OF THE NO BLOCK WALL I FF -439.5 cn -- - -- �� L - - • . I �.-,..•.�. I 1:; . .9n FFFT OF TPP dRnVE' me ,^c,QCn oonorory NORTH �> i1i ', a 11,120 SF . . / I I EXHIBIT REVISION .. rt. a k. i 1 •, . I FF= 440.0 ' k ; . ) .. . - . r. . : , 1• PE =439 5 . . ,� - - - �._ � . 1'. . . ,. . .: -- -123 - -- .. , -. , - I , is . ,. 11 LI N ,--------- - - - - -� 11 ;