33848s qc
3| �
60
�
Paul Goble
Subject: PCN 07225 Tentative Tract TT #33848 and EA #05 -560 Preliminary Hydrology Review -
David Maman Designs
Due Date: Thursday, January 03, 2008
Status:
Percent Complete:
Total Work:
Actual Work:
Owner:
Requested By:
Waiting on someone else
0%
0 hours
0 hours
Angelica Zarco
Tony Colarossi
11/09/2007 - RECEIVED PLAN CHECK ITEM FROM PLANNING. SENT TO TONY FOR CITY REVIEW AND
COMMENTS. (TS)
11/9/07 - Tony made comments on this hydro received from Ed Wimmer via Andy Morgenson. Tony gave redlines to Paul
on 11/8/07.'
11 /29/2007 - Paul reviewed hydrology analysis and found City check figure retention shows 3 hr storm governs with
estimated retention volume of 31,342 ft3. Applicant analysis shows 6 hour storm governs with estimated retention volume
requirement of 35,867 ft3. Zero percolation assumed in basin. Applicant is providing approximately 36,000 ft3 in
retention capacity per preliminary hydrology report. Therefore, total capacity is adequate.
Key PW comment is that offsite tributary area of 0.67 acres generates a City check figure retention volume of 5,795 ft3.
Applicant shows only 1,300 ft3 in parkway for retention - FOR should resolve undercapacity in parkway basin. Planning
should verify that basin location still meets with City code given additional landscape area callout. Unknown street
grade /retention invert condition. Redlines to Ed for forwarding to Andy.
12/18/2007 - RECEIVED REVISED PLAN CHECK ITEM FROM NOLTE ENGINEERING. SENT TO PAUL FOR CITY
REVIEW (AZ)
12/21/2007 - RECEIVED PLAN CHECK ITEM FROM PLANNING DEPARTMENT -ANDY. SENT TO TONY FOR CITY
REVIEW. (TS)
1/2/08 - Tony /Paul started 2nd round hydro plan review and got the following:
Note 1, Vol of basin and storm flows check ok. (Ret Vol — 34,277 @ ele 137, Storm — 31,300, WSE100-- 136.7 FOR to
verify, RI = 56, Imp Ave = .607, A = 4.85).
Primary concern of the hydrology review is undefined elevations and overflow routing. High point of the road at the
entrance median is 438.4 ft yet lowest elevation adjacent pad (lot 12) is 438.0 ft. Therefore, overflow to street would flood
adjacent pads. 1 foot freeboard above high point (439.4 ft) would be minimum pad elevation.
Surface overflow routing and related elevations are requested once freeboard issue is resolved. City requires a surface
overflow route in addition to the route accomplished by backup of the storm drain piping.
1. Sheet 1, Alt TTM 33848 revised, elevations of the 100 year elevation not provided and the elevations at the CB Flowline
have not been provided. Therefore, a check for the 1 f freeboard can not be determined. FOR to provide the 100 year
flood elevation of the basin and show the flowlines to obtain the 1 f freeboard will surface and pipe overflows.
2. Sheet 1, to use a sandfilter provide geo info showing 15ft depth of clean sand without silt layeres or lenses. Else,
provide a Maxwell Plus nuisance drain system or equivalent for these types of areas.
3. Hydro report pp 3 of 4, there is a concern that the his drainage route is not fully addressed. Show in report the
historic route and provide high and low point elevations.
4. Sheet 1, pad elevations differences are found to exceed typical city required < 1ft differences. Please provide
information to the city on approval by city. Resolve following pad elevation, overflow routing rework.
Redlines to Angelica /Ed for routing back to Planning. Hard copy of full hydro report to Debbie to route to central file for
reference. Primary hydrology report docs /map included in response back to Planning. (PG)
1/2/2008 - ROUTED BACK TO PLANNING FOR FURTHER PROCESSING (AZ)
7
® 73 -185 Highway 111, Suite A
Palm Desert, California 92260
Phone: (760) 341 -3101
Fax: (760) 341 -5999
LETTER OF TRANSMITTAL
r4o=
BEYOND E N G I N E E R I N G
DATE: December 18, 2007 OUR PR JECT NO.: PD0505023C
TO: Paul Goble, Senior Engineer
CITY OF LA QUINTA _q
RE: Revised Tract Layout — Tentative Tract Map No. 33840
(12- residential lot revised layout)
Applicant: David Maman Designs ' -
APN 764- 180-003
(In the vicinity of the southwest comer of Avenue 58 and Monroe Street)
We are sending you (✓):
✓
Attached
PAGES
Via Messenger
1
Originals
43
Prints
✓
Other (describe): As noted below
COPIES
DATE
PAGES
DESCRIPTION
1
12 -18 -07
43
Preliminary Hydrology and Hydraulic Analysis for Tentative Tract Map
No. 33840 (Revised).
Dear Mr. Goble,
As a follow -up to our recent
conversations regarding this project, the attachment is the
Preliminary Hydrology and Hydraulic Analysis for this tentative tract map as revised, for your
review.
We appreciate your assistance. If you should have any questions, please feel free to contact
our office at (760) 341 -3101.
Sincerely,
NOLTE -WA R ENGINEERING
By: NATHAN D. HO ,
roject Engineer .
NOLTE ASSOCIATES, INC. +
73 -185 HIGHWAY I I I, SUITE A
PALM DESERT, CA 92260 -3929
760.341.3101 TEL 760.341.5999 FAX
WWW.NOLTE.COM
®p i—d on pupr mode with 100%povt consumer rhe,
cc: Mr. David Maman, President
David Maman Designs
Utl, 1 0 lout
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 under the supervision of.-
December 18, 2007
W.O. 0505 -023C �F =cr��;
�NJ.
ir O
No.:C 63526
a
Exp 9 -30 -2008
C 1 O ,�OP��r�
�2 6
Date
0
HYDROLOGY & HYDRAULICS
TENTATIVE TRACT MAP 33848
December 18, 2007
TABLE OF CONTENTS
Introduction.................. ......................:.......3
Description................................................................ ..............................3
Regional-14- ydrologic - 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
Pocket — Hydrology Map
Page 2 of 4
HYDROLOGY & HYDRAULICS
TENTATIVE TRACT MAP 33848
December 18, 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
�tbe.r -s.ide of-A-y-enue 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 one storm retention basin lot
(onsite).
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.
The site will be designed to drain to a retention basin located in the northeast corner of
the site. The 100 -yr storm flow entering the retention basin is approximately 18 cfs.
Runoff from the Avenue 58 frontage of the site will be routed to the same onsite basin.
The storm runoff for the entire site (approximately 4.85 acres) will be routed and stored
in the onsite basin, with the secondary overflow to Avenue 58. -No retention is proposed
within 'Lot B.'
Page 3 of 4
HYDROLOGY & HYDRAULICS
TENTATIVE TRACT MAP 33848
December 18, 2007
RETENTION VOLUMES
The volume of storm water discharge for the 100 -yr frequency storm, for 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
33,726 cra b'rc-fe et.
RETENTION VOLUME SUMMARY
.100 -YR
3.55 AC.
0.67 AC.
0.63 AC.: 1
STORM .,
FLOOD
FLOOD .
,� FLOOD .
DURATION :
VOLUME'.
.VOLUME`'
'VOLUME :"
(hr):: ..
(CU.FT:) -
(CU.FT.
CU.FT:
Onsite
Lots
On site
Street
Off. ite
Fronta e
3 21,559 i i
5,051
5,372
6 19,780
5,545
5,897
24 19,040
5,896
6,271 -. t
CONCLUSIONS
The storm water will be retained in an above ground retention basin. The total available
storage excluding percolation is 34,277 cubic feet, which is greater than the required
storage. The basin will include a drywell to mitigate nuisance water.
Page 4 of 4
Client: Maman 2 ENTER TOTAL NUMBER OF BASIN DEPTH - VERSUS - OUTFLOW VALUES-
Client:
By: JDH 3 ENTER OUTFLOW (CFS) AND STORAGE VOLUME (AF) FOR EACH
Date: 12/14/2007 BASIN DEPTH VALUE IN THE FOLLOWING TABLE. ENTER VALUES IN
ORDER OF INCREASING OUTFLOW BASIN DEPTH:
4 ENTER ASSUMED INITIAL DEPTH (FT) OF WATER IN DETENTION BASIN. 0
5 PERCOLATION RATE (IN /HR)
BASIN INFORMATION:
Onsite Retention
Basin Sized to Store Onsite and Offsite Runoff
POND VOLUME
I
DEPTH VS. STORAGE TABLE
I
BASIN
CONTOUR
BASIN STORAGE VOLUME BASIN STORAGE VOLUME
PERCOLATION
0 BAF IIOW
DEPTH
OUTFLOW
ENTRY NO.
WATER
SURFACE
DEPTH
AREA
(INCREMENTAL) (ACCUMULATIVE)
CFS /SF
CFS
SF
C.F. A.F. C.F. 1.
0 0
0
N/A
1
0.00
0.00
4091.00
- 0
6
4574 0.1050
4574T 0.1050
0.000000 0000
0.0000
1.00
0.00
2
1.00
1.00
5056.00
5598 0.1285
` 10172 V 0.2335
0.000000
0.0000
2.00
0 .00
3
2.00
2.00
6140.00
6755. 0.1551 :`
0.000000
0.0000
_ ..
3.00
0.00
'
16926 0.3886
4
3.00
p,; , .
3.00
7369.00
..
8011 0.1839
0.000000
0.0000
4.00
0.00
24937 0 5725
5 4 00
4.00 8652.00
•. ,
-
9341 A 02144 __ p_ _ '.
0.000000
0.0000 .:
5.00
0.00
�'� :y...
.: : °
.: -
10029-00
34277 0.7869
6
5.00
5.00
t
PROJECT lob.
SITE
VICIN17Y MAP
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nHouas BROTHERS cuiDE zoo3 mmoN
PAGE 5592, CDORDINAIES B3
d
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VICIN17Y MAP
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PAGE 5592, CDORDINAIES B3
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�' , 1, Legend
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1•_�
-
t1'�
Storm Drain
Pipes
Manholes
U•n i t H y d r o g r a p h
Copyright (c) CIVILCADD /CIVILDESIGN, 1989 - 1999, Version 6.0
Study date 11/0-7/0-7-File: t33848u2hyd24100.out
+_+++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
Riverside County Synthetic ni t 1iydT-ologp- Me -th-e
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 Va. lues Used
English Units used in output format
-----------------
AMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr offsite frontage
0505 -023C AUG. 6, 2007
-------- - - - - --
----- - - - - --
Drainage Area = 0.67(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 Min.
25% of lag time = 1.50 Min.
40% of lag time = 2.40 Min.
Unit time = 5.00 Min.
Duration of storm = 24 hour(s)
User Entered Base Flow = 0.00(CFS).
2 YEAR Area rainfall data:
Area (Ac:)[11 Rainf all (In)[2] Weighting[1 *2]
.
120 0.80
0.67 .
100 YEAR Area rainfall data:
Rainfall(In)[2] Weighting[1 *2]
Area(Ac.)[1]
0.67 3.75 2.51
STORM EVENT (YEAR) _ •10.0.00
Area Averaged 2 -Year Rainfall = 1.200(In)
Area Averaged 100 -Year Rainfall = 3.7.50(In)
Point rain (area averaged) = 3.750 (In)
Areal adjustment factor = 100.00 %
Adjusted average point rain =
3-750 (In)
Sub -Area Data:
Area(Ac.) Runoff Index_ Impervious $
0.670 56.00 0.900
Total Area Entered = 0.67(Ac.)
RI
RI Infil. Rate
Impervious
Adj. Infil. Rate Area%
(Dec.).
F
(In /Hr)
AMC2
AMC -2 (In /Hr)
(Dec. o)
(In /Hr)
n n 1.000
0.097
56.0
6- 0' -0-5��
0. 9 -0 -0-
Sum ( F)
= 0.097
Area averaged mean soil loss (F) (In /Hr) U.U!i
Minimum soil loss rate ((In /Hr)) = 0.049
(for 24 hour storm duration) 0.180
Soil low loss rate (decimal) _ ___- __ -_ -___
U n i
t H•y d r o g r
a p h
DESERT S -Curve
7
------------------------------------------------
Unit
Hydrograph.Data
_ ______ ______
Unit
time
--------------------------
Time % of lag
- Distribution...._Unit.
HCFS)graph . - --
period
Graph %
(hrs)
- - - - ----
---
1
0.083
83.333
11.774
0.080
0.321
2
0.167
166.667
47.570
0.133
3
0.250
250.000
19.695
0.059
4
0.333
333.333
8.799
0.0
5
0.917
416.667
4.890
0.0220 0
6
0.500
500.000
3.035
0.012
7
0.583
583.333
1.833
0.00
8
0.667
666.667
1.007
0.006
9
0.750
750.000
0.910
•0.003
10
0.833
8'33.333
0.486
= 100.000
Sum=
0.675
Sum
Storm. Rain
Loss rate (I
Effective
Unit
Time
Pattern
(In /Hr)
ax
ax
Max
Low
Low
(In /Hr)
(Hr.)
Percent
0.030
0.172
0.005
0.02
1
0.08
0.07
0.030
0.005
0.02
2
0.17
0.07
0.030
0.171
0.005.
0.02
3
0.17
0.07
0.045
0.170
,0.008
0.04
4
0.33
0.10
0.045
0.169
0.008
0.04
5
0.42
0.10
0.045
0.169
0.008
0.04
6
0.50
0.10
0.045
0.168
0.008.
0.04
7
0.58
0.10
0.045
0.167
0.008
0..04
8.
0.67
0.10
0.045
0.167
0.008
0.04
9
0.75
0.10
0.060
0.166
.0.011.
0.05
10
0.83
0.13
0.060
0.165..
0 All
0.05
11
0.92
0.13
0.060
0.165
0.011
0.05
12
1.00
0.13
0.045
0.164
0.008
0.04
13
1:08
0.10
0.045
0.16'3
0.008
0.04 ,-
14
1.17
0.10
0.045
0.163
0.008
0.04
15
1.25
0.10
16 1.33
0.10
0.045
0.162
0.008
0.008
0.04
0.04
17 1.42
0.10
0.045
0.162
0.161
0.008
0.04
18 1.50
0.10
0.045
0.160
0.008
0.04
19 1.58
0.10
0.045
0.160
0.008
0.04
20 1.67
0.10
0.045
0.159
0.008
0.04
21 1.75
0.10
0.045
0.158
0.011
0.05
22 1.83
0.13
0.060
0.158
0.011
0.05
23 1.92
0.13
0.060
0.157
0.011.
0.05
24 2.00
0.13
0.060
0.156
0.011
0.05
25 2.08
0.13
0.060.��5�
n -nil
0.05
2 6 2. 17
0.1-3 -
-0 O.6t
0.155
0.011
0.05
27 2.25
0.13•
0.060
0.155'
0.011
0.05
28 2.33
0.13
0.060
0.154
0.011
0.05
29. 2.42
0.13
0.060
0.153
0.011
0.05
30 •2.50
0.13
0.060
0.153
0.013
0.06
31 2.5.8
0.17
0.075
0.152
0.013
0.06
32 2.67
0.17
0.075
0.151
0.013
0.06
33 2.75
0.17
0.075
0.151
0.013
0.06
34 2.83
0.17
0.075
0 150
0.013.
0.06
35 2.92
0.17
0.075
0.150
0.013
0.06
36 3.00
0.17
0.075
0.149
0.013
0.06
37 3.08
0.17
0.075
0.148
0.013
0.06
38 3.17
0.17
0.075
0.148 - ....
0.013. - ..
0.06
39. 3.25......
0.1.7......._.
0:075........
_....
0.147
0.013
.
0.06
40 3.33
0.17
0.075
0.146
0013
.
0.06
41 3.42
0.17
0.075
0.146
0.013
0.06
42 3.50
0.17
0.075
0.145
0.013,
.0.06
43 3.58
0.17
0.075
0.145
0.013
0.06
44 3.67
0.17
0.075
0.144
.0.013
0.06
45 3.75
0.17
0.075
0.143
0.016
0.07
46 • 3:83
0.20
0.090
0.143
0.016
0.07
47 3.92
0.20
0.090
0.142
0.016
0.07
48 4:0.0
0.20
0.090•.
0.142
0.016
0.07
49 4.08
0.20
0.090
0,141
0016
.
0.07
50 4.17
0.20
0.090
0.140
0.016
0.07
51 4.25
0.20
0.090
0.140
0.019
0.09
52 4.33
0.23
0.105
0139
0.019
0.09
53 4.42
0.23
0.105
.
0.139
0.019
0.09
54 4.50
0.23'
0.105
0.13 8
0.019
.0.09
55 4.58
0.23
0.105
0.137
0.019
0.09
56 4.67
0.23
0.105
0.137
0.019
0.09
57 9.75
0.23
0.105
0.136
0.022
0.10
58 4.83
0.27
0.1.20
0..136
0.022
0.10
59 4.92
0.27
0.120
0.135
0.022
0.10
60 5.00
0.27
0.120
0134
0.016
0.07
61 5.08
0.20
0.090
0.090
.
0.134
0.016
0.07
62 •5.11
0.20
0.090
0133
.
0.016
0.07
63 5.25
0.20
0.105
0.133
0.019
0.09
64 5.33
0.23
0105
0.132
.0.. 019
0.09
65 5.42
0.2 .3
.
0.105
0.132
0.019
0.09
66 5.50
0.23
0.120
0.131
.0.022
0.10
67 5.58
0.27
0..120
0.130
0022
.
0.10
68 5.67
0.27
0.120
0.130
0.022
0.10
69 5.75
0.27
0.120
0.129
0.022
0.10
70 5.83
0.27
0.120
0.129.
0.022
0.10
71 5.92
0.27
0.120
0.128
0.022
0.10
72 6.00
0.27
73 6.08
0.30
0.135
0.128 - --
0.01
0.01
74 6.17
0.30
0.135
p 127 - --
0.01
75 6.25
0.30
0.135
0,126 - --
0.01
76 6.33
0.30
0.135
0.126 - --
0.01
77 6.42
0.30
0.135
0,125 - --
0.01
78 6.50
0.30
0.135
0,125 - --
0.03
79 •6.58
0.33
0.150
0124 - --
.
0.03
80 6.67
0.33
0.. 150
0.124 - --
0.03
81 6.75
0.33
0.150
0,123 - --
0.03
82 6.83
0.33
0.150
0,122 - --
0.03
83 6.92
0. 3
��.121
0 12•�
0.03
84 7.00
0.33
0.150
- --
0.03
85 7..08
0.33
0.150
0.121 - --
0.03
86 7.17
0.33
0.150
0.120 - --
0.03
87 7 .25
0.33
0.150
0.120 - --
0.120 - --
0.05
88 7.33
0.37
0.165
0.05
89 7.42
0.37
0.165
0,119 - --
-
0.05
'90 7.50
0.37
0.165
0.,118 --
0.06
91 7.58
0.40
0.180
0,118 - --
0.06
92 7.67
0.40
0.180
0.117 - --
0.06
93 7.75
0.40
0.180
0,116 - --
0.08
94 7.83
0.43
0.195
0.116 - --
0.08
95 7.92
0.43
0.195
0,115. - --
0.08..._.
96 8.00
0.43 ... _,
0.195.....
_ 0.115.._. - --
..,. ...
0.11
91 8.08
0.50
0.225•
0.114 - --
0.11
98 8.17
0.50
0.225
0,114 - --
0.11
99 8.25
0.50
0.225
. 0.113 - --
0.11
100 8.33
0.50
0.225
0.113 - --
0.11
101 8.42
0.50
0.225.
0,112 - --
0.11
102 8.50
0.50
0.225
0.112 - --
0.13-
103 8.58
0.53
0.240
0,111 - --
0.13
104. 8.67
0.53
0.240
0.111 - --
--
0.13
105 8.75
0..53
0.240..
0.110 -
0.15
106 .8.83
0.57
0.255
0,110 - --
0.15
107 8.92
0.57
0.255
0,109 - --
0.15
108' 9..00
0.57
0.255
0,109 - --
'0.18
109 9.08.
0.63
0.285
0.108 - --
0.18
110 9.17
0.63
0.285
0,108 - --
0.18
111 9.25
0.63
0.285
0.107 - --
0.19
1,12 9.33
0.67'
0.300
0.107 - _-
0.19
113. 9..42
0.67
0.300
0.106 - --
0.19
114 9.50
0.67
0.300
0.105 - --
0.21
115 9.58
0..70
0.315
0,105 - --
0.21
116 9.67
0.70
0.315
0.104 - --
0.21
117 9.75
0.70
0.315
0.104 - --
0.23
118 9.83
0.73
0.330
0,103 - --
0.23
114 9.92
0.73
0.330
0.103 - _-
0.23
'
12.0 10.00
0.73
0.330
0.102 - --
0.12
121 10.08
0.50
0.225
0.102 - --
0..12
122 10.17
0.•50
0.225
0.101 - --
0.12
123 10.25
0.50
0.225
0.101 ---
0..12
124 10.33
0.50
0.225
0.101 - --
0.12
125 10142
0.50
0.225
0.100 -
--
0.13
126 10..50
0.50
0.225
0,100 00 -
--
0.20
127 10.58
0.67
0..300
0. -
--
0.20.
128 10.67
0.67
0.300
0 099
0.20
129 10.75
0.61
0.300
0.098 -
--
0.20
130 10.83
0.67
0.300
0.098 - --
0,097 - --
0.20
131 10.92
0.67
0.300
0.097 - -_
0.20
132 11.00
0.67
0.300
0,096 ' --
0.19 '
133 11.08
0.63
0.285
0.096 - --
0.19
134 11.17
0.63
0.285
0,095 - --
0.19
135 11.25
0.63
0.285
0,095 - --
0.19
136 11.3 3
0.63
0.285
0.094 ___
0.19
137 11.42
0.63
0.285
0.094 - --
0.19
138 11.50
0.63
0.285
0.093 - --
0.16
139 11.58
0.57
0.255 __v_p�
0�,5�-
- -_
0.16
140 11.67
0.51
0 092
0.16
14'1 11.75
0.57
0.255
0.092 - --
0.18
142. 11.83
0.60
0.270
0,092 - --
0.18.
143 11.92
0.60
0.270
0.091 - --
0.18
144 12.00
0.60'
0.270
0,091 -
-- 0.28
145 12.08
0.83
0.375
0,090 -
-- 0.28
146 12.17
0.83
0.375
0.0 90 -
-- 0.29
147 12.25
0.83
0.37 5
0,090 -
-- 0:30
148 12.33
0.87
0.390
0,089 -
-- 0.30
149 12•.42
0.87
0.390
0,088 -
-- 0.30
150 12.50
0.87
0.390
0,088 -
-- 0.33
151 12.58
0.93
0.420
0,087 ___
.0.33
152 12.67
0.93
0.420
0.087. ... -
0.33
-- ..... .
153 12.75.....
0.93.........
0.420 , ;
0.087 -
-- 0.35
154 12.83
0.97
0.435
0 086 -
- -. 0.35
155 12.92
0.97
0.435
0.086
- -- 0.35
156 13.00
0.97
0.435
0,085
- -- 0.42
157 13.08
1.13
0.510
0,085
- -- 0.43
158 13.17
1.13
0.510
0,084
- -- 0.43
159 13.25
1.13
0.510
0,084
- -- 0.43
160 13.33
1.13
0.510
0,084
- -- 0.43
161 13.42
1.13
0.510
0,083
- -- 0:43
162 13.50
1.13
0.510
0.083
- -_ 0.26
163 13.58
..
0 77
0345
0,082
- --0,26
164 1.3.67
0.77
0.345
0,0.82
- -- 0.26
165 13..75
0.77
0.345
0.081
___ 0.26,
c
• 16'6 13.83
0.77
0.345
0,081
0.26
---
167 13.92
0..77
0.345
0,081
- -- 0.26
168 14.00
0.77
0.345
0,080
- -- 0.32
169 14.08
0.90
0:405
0 080
- -- 0.33
170 14.17
0.90
0.405
0,079
- -- 0.33
171 14.25
0.90
0.405
0,079
- -- 0.31
172 14.33
0.87
0.390
0.079
- -- 0.31
173 14.42
0.87
0.390
0.078
-- _ 0.31
174 14.50
0.87
0.390
p 078
- -- 0.31
175 14.58
0.87
0.390
0.077
- -- 0.31
176 14.67
0.87
0.390
0.077
- -- 0.31
177 .14.75
0..87
0.390
0,077
- -_ 0.30
3
178 14.892 .
0' .83
.0.375
0.076
___ 0.30
179 19.
0.83
0.375
0.076
--- 0.30
180 15.00
0.83
0.375
-0.075
0.28
181 15.08
0.80
0.360
0.075
- -- 0.28
182 15.17
.0.80
0.. 360
0.075
- -- .0..29
- 183 •15..25
0.80
0.360
0.074
___ 0.27
184 1533
0. 7 7
0 .345
074
00,.07.3
- -- 0.27
165 15.42
0.77
0.345
- -- 0.27
186 15.50
0.77
0.345
187 15.58
0.63
0.285
0.073
- --
0.21
0.21'
188 15.67
0.63
0.285
0.073
- --
0.21
189 15.75
0.63
0.285
p 072
0..21
190 15.83
0.63
0.285
0.072
- --
0.21
191 15.92
0.63
0.285
p 072
-
0.21
192 16.00
0.63
0.285
0.071
0.071
--
0.011
0.05
193 16.08
0.•13
0.060
0,071
0.011.
0.05
194 16.17
0.13.
0.060
0. 0-70
0.011
0.05
195 16.25
0.13
0.060
0.070
0.011
0.05
196 16.33
0.13
0.060
9_ �Y01�
969
0.05
197 16.42
0. 3
.0�0
0.069
0.011
0.05
198 1.6.50
0.13
0.060
0.069
0.008
0.04
199 16.58
0.10
0.045
0,068
0.008
0.04
200 16.67
0.10
0.045
0.068
0.008_
0:04
201 16.75
0.10
0.045
0.068
0.008
0.04
202. 16.83
0.10
0.045
0,067
0.008
0.04
203 16.92
0.10
0.045
0.067
0.008
0.04
204 17.00
0.10
0.045
0.067
---
0.01 '
205 17.08
0.17
0.075
0,066
- --
0.01
206 17.17
0.17
0.075.
0 066
- --
0.01
207 17.25
0.17
0.075
0.066
- --
0.01
208 17.33
0.17
0.075
0.065
- --
0.01
209. 17.42
0.17
0.075
0.065 -
- --
0.01..
210 17.50
0.17-
0.075- -
0.01
211 17.58
0.17
0.075
0.065
0.01
212 17.67
0.17
0.075
0.064
- --
0.01
213 17.75
0.17
0.075
0.06 4
0,064
- --
0.011
0.05
214' 17.83
0:13
0.060
0.063
0.011
0.05
215 17.92
0.13
0.060
0,063
0.011
0.05
216 18.00
0.13
0.060
0,063
0.011
0.05
217 18..08
0.13
0.060
0 063
0.011
0.05
218 18.17
0.13
0.060
0.062
0.011
0.05
219 18.25
0.13
0.060
0,062
0.011
0.05
220 18.33
0.13
0.060
0,062
0.011
0.05
221 18.42
0.13
0.060
0 061
0.011
0.05
222 18.50
0.13
0.060
0 061
0.008
0:04
223 18.58
0.10
0.045
0.061
0.008
0.04
224 18.67
0.10
0.045
0,060
0.008
0.04
225 18.75
0.10
0.045
0,060
0.005
0.02
226 18.83
0.07
0.030
0:060
0.005
0.02
227 18.92
0.07
0.030
0,060
0.005
0.02
228 19.00
0.07
0.030
0,059
0.008
0.04
229 19.08
0.10
0.045
0.059
0.008
0.04
230 19.17
0.10
0.045
0.059
0.008
0.04
231 19.25
0.10
0.045
0.058
- --
0.00
232 19.33
0.13
0.060
0.058
- --
0.00
233 19.42
0.13
0:060
0.0.0
234 19.50
0.13
0.060
0.058
0.058
- --
0.008
0.04
235 19.58
0.10
0.045
0.057
0..008
0.04
236. 19.67
0.10
0.045
0,057
0.,008
0.04
237 19.75
0.10
0.045
0.057
0.005
0.02
238 19.83
0.07
0.030
0,057
0,005
0.02
239 19.92
0.07
0.030
0.056
0.005
0.02
240 20.00
0.07
0.030
0 056
0.008
0.04
241 20.08
0.10.
0.045
0.05'6
0.008
0.04
242 20.17
0.10
0.045
0.056
0.008
0.04
243 20:25
0.10
0.045
244' 20.33
0.10
0.045
0.055
0.008
0.008
0.04
0.04
245 20.42
0.10
0.045
0,055
0,055
0.008
0.04
246 20.50
0.10
0.045
0.055
0.068
0.04
247 20.58
0.10
0.045
0.054
0.008
0.04
248 .20:67
0.10
0.045
0.054
0:008
0.04
249 20.75
0.10
0.045
0 054
0.005
0.02
250 20.83
0.07
0.030
0.054
0.005
0.02
251 20.92
0.07
0.030
0,054
0.005
0.02
252 21.00
0.07
0.030
0 053
0:008
.0.04
253 21.08
0.10
0.045
0^05- x_008
0.04
254 21.17
t0
0'045
0.053
0.008
0.04
255 21.25
.0.10
0.045
0.053
0.005
0.02
256 21 -.33
0.07
0.030
0,053
0.005
0.02
257 21.42
0.07
0.030
0.052
0.005
0.02
258 21.50
0.07
0.030
0,052
0.008
259 21.58
0.10
0.045
0,052
0.008
0.04
260 21.67
0.10
0.045
0,052
0.008
0.04
261 21.75
0.10
0.045
0,052
0.005
0.02
262 21.83
0.07
0.030
0 051
0.005
0.02
263 21.92
0.07
0.030
0.051
0.005
0.02
264 22.00
0.07
0.030
0.051
0.008
0.04
265 22.08
0.10
0.095
0 051
0.008
0.04
266 22.17
0.10
0.045
0.051.
0.008...
.
267 22.25;°
0.10
0.045
0,051
0.005
0.02
268 22.33
0.07
0.030
0,050
0.005
0.02
269 22.42
0.07
0.030
0,050
0.005
0.02
270 22.50.
0.0.7
0.030
0,050
0.005
0.02
271 22.58
0.07
0.030
.0i050
0.005
0.02
272 22.67
0.07
0.030
0 050
0.005
0.02
273 22.75
0.07
0.030
0.050
0.005
0.02
274 22.83
0.07
0.030
0,050
0.005
0.02
275 22.92
0.07
0.030..
0,049
0.005
0.02
276 23.00
0.07
0.030
0.049
.
0005
0.02
277 23.08
0.07
0.030
0.049
0.005
0.02
278 23.17
0.07
0.030
0,049
0.005
0.02
279 23.25
0.0.7
0.030
0.049
0.005
0.02
280 23.33
0.07
0.030
0 049
0.005
0.02
281 23.42
0:07
0.030
0,049
0.005
0.02
282 23.50
0.07
0.030
0.049
0.005
0.02
283 23.58
0.07
0.030
0.049
0.005
0.02
284 23.67
0.07
0.030
0.049
0.005.
0.02
285 23.75
0.07
0.030
0 049
0.005
0.02
286 23.83
0.07
0.030
0,049
•0.005
0.02
287 23.92
0.07
0.030
0,049
0.005
0.02
288 24.00
0.07
0.030
Sum =
30.9
Su =
Flood
100.0
volume = Effective
rainfall 2.58(In)
0.1(Ac.Ft)
times
area
0.7(Ac.)
/[(In) /(Ft•)]
=
soil loss
= 1.17(In)
.Total
Total
soil loss
= 0.065(Ac.Ft)
Total
rainfall =
3.75(In)
Flood
volume =
6271.3 Cubic Feet
Total
soil loss
=
2849.1 Cubic Feet
Peak
------------------------
flow rate
of this hydrograph =
0.286(CFS)
+ +
+ + + + + + + + + + + + + + + + + + + + + + + + + + + ++
+++++++++++++++++++++++++++++++++++++
24. - H 0 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) 0
--------------------
2.5 0 7.5 10'.0
5 .
--------- - - -- --
0+ 5
0.0000
0.00 Q
I I .
I I I
0 +10
0.0001
0.01 Q
I
0+15
0.0 0 0 2-- 0 -01 -Q
0 +20
0.0003
0.02 Q.
I I I
0 +25
0.0004
0.02 Q
0 +30
0.0006
0.02 Q
I I I
0 +35
0.0007
0.02 Q
0 +40
0.0009
0.02 Q
0 +45
0.0011
0.02 Q
I I I
0 +50
0.0012
0.03 Q,
0 +55
0.0015
0.03 Q
I I
1+ 0
0.0017
0.03 Q
I
I I I
1+ 5
0.0019
0.03 Q
I I I I
1 +10
0.0021
0.03 Q
1 +15
0.0023
0.03 Q
I
- 1+20-
0. 0024........
0.0.3 Q--
...,........_ I... I .
1 +25
0.0026
0.03 Q
I I I
1 +30
0.0028
0.03 Q
I I I I
1 +35
0.0030
0.03 Q
I I I I
1 +40
0.0031
0.03 Q
I I I I
1 +45
0.0033
0.02 Q
'Q
1 +50.
0.0035
0.03
I I I
1 +55
0.0037
0.03 QV
I I I I
2+ 0
0.0039
0..03 QV
I I I
2 +. 5
0.0041
0.03 QV
I I I I
2 +10
0.0043
0.03 QV
I
I I
2 +15
0.0046
0.03 QV
I
I I I I
2 +20
0.0048
0.03 QV
I
2 +25
0.0.050
0.03 QV
I I I I
2 +30
0.0053
0.03 QV
I I I I
2 +35
0.0055
0.03 QV
I
I I
2 +40
0.0058
0.04 QV
I
I I I J
2 +45
0.0060
0.04 QV
I
2 +50
0.0063
0.04 4V
I
I I
2 +55
0.0066
0.04 QV
I I
I I
3+ 0
0.0069
0.04 QV
I I
I I
3+ 5
0.0072
0.04 QV
I
3 +10
0.0074
0.04 Q
V
3 +15
0.0077
0.04 Q
V- I
I I
3 +20
0.0080
0.04 Q
V I I
I I
3 +25
0.0083
0.04 Q
V I I
I I
3 +30
0.0086
0.04 Q
V I I
I I
3 +35
0.0089
0.04 Q
V I I
I I
3 +40
0.0092•
0.04 Q
V I I
3 +45
0.0094
0.04 Q
V I
I I
3 +50
0.0097
0.04 Q
V. I
3 +55
0.0101
0.05 Q
V I
I I
4+ 0
0.0104
0.05 Q
V I I
I I
4+ 5.
0.0107
0.05 Q
V I I
4 +10
0.0111
0.05 Q v
I I I
I I
4 +15
0.0114
0.05 Q v'
I I
I I
4 +20
0.0118
0.05 Q V
I
I I
I
4 +25
0.0121
0.05 Q. v
I I
4 +30
0.0125
0.06 Q V
I I
4 +3.5
0.0129
0.06 Q V
I
4 +43
0.0133
0.06 Q V
4 +45
0.0137
0.06 Q V
I
4 +50
0.0141
0.06 Q v
4 +55
0: 0146
0.06 Q v
I
5+ 0
0.. 130 0.o Q--
I
5+ 5
0.0154
0:06 Q V
5 +10
0.0158
0.06 Q
I I
5 +15
0.0162
0.05 Q V
I I
5 +20
0.0165
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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 11/07/07 File: t33848u2hyd6100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------=-----=-----------------------------------------
Rives He Counter 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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr offsite frontage
0505 -023C AUG. 6, 2007
---------------------------=----------------------------------------
Drainage Area = 0.67(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time = O.100 Hr.
Lag time = 6:00 Min:
250 of lag time = 1.50 Min.
40% of lag time = 2.40 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.)[1] Rainfall(In)[2] Weighting[1 *2]
0.67 0.80 0.54
100 YEAR Area.rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1 *2].
0'.67 3.00 2.01
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 %
0.670 56.00 0.900
Total Area Entered = 0.67(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr)
0.0 9 7 1.000 0.097
Sum' (F) = 0. -097 .
Area averaged mean soil loss (F) (In /Hr) = 0.091
Minimum soil loss rate ((In /Hr)) = 0.049
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
------------------------------------------------------------- - - - - --
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
83.333
11.774.
0.080
2
0.167
166.667
47.570
0.321
3
0.250
250.000
19.695
0.133
4
0.333
333.333
8.799
0.059
5
0.417
416.667
•4.890
0.033
6
0.500
500'.000
3.035
0.020.
7
0.583
583.333
1.833
0.012
8
0.667
666.667
1.007
0.007
9
'0.750
750.000
0.910
0.006
10
0.833
833:333
0.486
.0.003
Sum = 100.000 Sum=
0.675
-----------------------------------------------------------------------
Unit
Time
Pattern
Storm Rain
Loss rate(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max I Low
(In /Hr)
1
0.08
0.50
0.180
0.097 - --
0.08
2
0.17
0.60
0.216
0.097 - --
0.12
3
0.25
0.60
0.216
0.097 - --
0.12
4
.0.33
0.60
0.216
0.097 - --
0.12
5
0.42
0.60
0.216
0.097 - --
0.12
6
0.50
0.70.
0.252
0.097 - --
0.15
7
0.58
0.70
0.252
0.097 - --
0.15
8
0.67
0.70
0.252
0.097 - --
0.15
9
0.75
0.70
0.252
0.097 - --
0.15
10'
0.83
0:70
0.252
0.097 - --
0.15
11
0.92
0.70
0.252
0.09.7 - --
0.15
12
1.0.0
0.80
0.288
0.097 - --
0.19
13
1:08
0.8.0
0.288
0.097 - --
0.19
14
1.17
0.80
0.288
0.097 - --
0.19
15
1.25
0.80
0.288
0.097 - --
0.19
16
1.33
0.80
0.288
0.097 - --
0.19
17
1.42•
0.80
0.288
0.097 - --
0.19
18
1.50
0.80
0.288
0.097 - --
0.19
19
1.58
0.80
0.288
0.097 - --
0.19
20
1.67
0.80
0.288
0.097 - --
0.19
21
1:75
0.80
0.288
0.097 - --
0.19
22
1.83
0.80
0.288
0.097 - --
0.19
23
1.92
0.80
0.288
0.097 - --
0.19
24
2.00
0.90
0.324
0.097 - --
0.23
25
2.08
0.80
0.288
0.097 - --
0.19
2.6___2_
- 17.0.90
0.324
0:097 - --
0.23
27
2.25
0.90
0.324.
0.097 ---
0 23
28
2.33
0.90
0.324
0.097 - --
0.23
29
2.42
0.90
0.324
0.097 - --
0.23
• 30
2.50
0.90
0.324
0.097 - --
0.23
31
2.58
0.90
0.324
0.097 - --
0.23
32
2.67
0.90
0.324
0.097 - --
0:23
33
2.75
1.00
0.360
0.097 - --
0.26
34
2.83
1.00
0.360
0.097 - --
0.26.
35
2.92
1.00
0.360
0.097 - --
0.26
36
3.00
1.00
0.360
0..097 - --
0.26
37
3.08
1.00
0.360
0.097 - --
0.26
38
3.17.
1.10
0.396
0.097 - --
0.30
• ... .... ..... 39
3.25
1.10 ...
0.396: ..
0.097. - --
0.,30 ........ .......... ............
40
3.33
1.10
0.396
0.097 - --
0.30
41
3.4.2
1.20
0.432
0.097 - --
0.33
42
3.50
1.30
0.468
0.097 - --
0.37
43
3.58
1.40
0.504
0.097 - --
0.41
44
3.67
1.4.0.
0.504
0.097 - --
0.41
45
3.75
1.50
0.540
0.091 - - -.
0.44
46
3.83
1.50
0'.540
0.097 - --
0.44
47
3.92
1.60•
0.576
0.0.97 - --
0.48
48
4.00
. 1.60.
0.576
0.097 - - -.
0.48
49
4.08
1.70
0.612
0.097 - --
0.51
50
4.17
1.80
0.648
0.097 - --
0.55
51
4.25
1.90
0.684
0.097 - --
0.59
52
4.33
2.00
0.720
0.097 - --
0.62
53
4.42'
2.10
0.7.56
0.097 - --
0.66
54
4.50
2.10
0.756
0.097 - --
0.66
55'
4.58
2.20
0.792
0.097 - --
0.69
56
4.67
2.30
0.828
0.097 - --
0.73
57
-4.75
2.40
0.864
0.097 - --
.0.77
58
4.63
2.40
0.864
0.097 - --
0.77
59
4.92
2.50
0.900
0.097 - --
0.80
60
5..00
2.60
0.936
0.097 - --
0.84
61
5.08
3.10
1.116
.0.097 - - -.
1.02
62
5.17
3.60
1.296
0.097 - --
1.20
63
5.25
3.90
1.404
0.097 - --
1.31
64
5.33
4.20
1.512
0.097 - --
1.41
65
5.42
4.70
1.692
0.097 - --
1.59
66
5.50
5.60
2.016
0.097 - --
1.92
67
5.58
1..90
0.684
0.097 - --
0.59
68
5.67
0.90
0.324
0.097 - - -.
0.23
69
5.75
0.60
0.216'
0.097 - --
0.12
70
5.83
0.50.
0.180
0.097 - --
0•.08
71
5.92
0.30
0.108
0.097 - --
0.01
72
6.00
0.20
0.072
0.097 0.013
0.06
4 �
Sum = 100.0 Sum = 29.1
Flood volume = Effective rainfall 2.42(In)
times area 0.7(Ac.) /[(In) /(Ft.)] = 0.1(Ac.Ft)
Total soil loss = 0.58(In)
Total soil loss = 0.032(Ac.Ft)
Total rainfall = 3.00(In)
Flood volume = 5897.1 Cubic Feet
Total soil loss 1399.2 Cubic Feet
---------------------------------------------------------------------
Peak flow rate of this hydrograph = 1.053(CFS)
-----------------------------------------------------------------
.............................................................. ++ + ++
6 - 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 2.5 5.0 7.5 10... 0
----------------------- -----------------
--------------------
0+ 5 0.0000 0.01 Q I I I I
0 +10 0.0003 0.04 Q I I I I
0 +15 0.0007 0.06 Q I I I I
_ ... ........... 0 +20........ 0.0012• .. 0.07 Q I.. I .. ...:........ I ....... ....... ....I ".
0 +25 0.0017 0.07 Q I I I I
0 +30 0.0022 0.08 Q I I I I
0 +35 0.0029 0.09 Q I I I• I
0 +40 0.0035 0.10 QV I I I I
0 +45 0.0042 0.10 QV I I I I
0 +50 0.0049 0.10 QV I I I I
0 +55 0.0057 0..10 QV
1+ 0 .0.0064 0.11 QV I I I I
1+ 5 0.0072 0.12 Q V I I I I
1 +10- 0.0081. 0.12 Q V
1 +15 0.0089 0.13 Q V I I I I
1 +20 0.0098 0.13 Q V
1 +25 0.0107 0.13 Q 'V I I I I
1 +30 0.0116 0.13 Q V I I I I
1 +35 0.0125 0.13 Q V I I I I
1 +40 0.0133 0.13 Q V I I I I
1 +45 0.0142 0.13 Q V I I I I
1 +50 0.0151 0.13 Q V
1 +55 0.0160 0.13 Q V I I I I
2+ 0 0.0169 0.13 Q V I I I I
2+ 5 0.0179 0.14 Q V I I I I
2 +10 0.0188 0.14 Q V I I I I
2 +15 0.0198 0.15 Q V I I I I
2 +20 0.0209 0.15 Q V I I I I
2 +25 0.0219 0.15 Q V I I I I
2 +30 0.0229 0.15 Q V I I I I
2 +35 0.0240 0.].5 Q V I I I I
2 +40 0.0250 0.15 Q V I I I I
2 +45 0.0261. 0.16 Q V I I I I
2 +50
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 11/07/07 File: t33848u2hyd3100.out .
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------ - - - - --
•Rimemside Co -un_tyJSynthetic Unit Hydrology Method
R.CFC & 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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr offsite frontage
0505 -023C AUG.-6, 2007
--------------------------------------------------------
Drainage Area = 0.67(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time 0.100 Hr.
Lag time 6.00 Min.
25% of lag time = 1.50 Min'.
.40% of lag time = 2.40 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.)[11 Rainfall(In)[2] Weighting[1 *2]
0.67 0.70 0.47
100 YEAR Area rainfall data:
Area(Ac.)[1]' Rainfall(In)[2] Weighting[1 *2]
0.67 2.50 1.68.
STORM EVENT (YEAR) =1 100.00
Area Averaged 2-Year-Rainfall = 0.700(In)
Area Averaged 100- Year.Rainfall = 2.500(In)
Point rain (area averaged) = 2.500(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain .= 2.500(In)
Sub -Area Data:
Area(Ac.) Runoff Index Impervious %
0..670 56.00 0.900
Total Area Entered = 0.67(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec.%) (In /Hr) (Dec.) (In /Hr)
F�.6.._0._5.6_. 0.511 0.900 0.097 1.000 0.097
um (F') = 0 -0'9 7
Area averaged mean soil loss (F) (In /Hr) = 0:097
Minimum soil loss rate (.(In /Hr)) = 0.0.49
(for 24 hour storm duration)
Soil low loss.rate (decimal) 0.180
U n i
t H y d r o g r
a p h
DESERT S -Curve
Unit
Hydrograph Data
-------------7--------------------I------------------------
Unit time period
Time % of.lag
Distribution Unit
Hydrograph ...._.
(hrs)
Graph %
(CFS)
----------------------------------------------------
1
0.083
83.333
11.774
0.080
2
0.167
166.667
47.570
0.321
3
0.250
250.000
19.695
0.1.33
4
0.333
333.333
8.799
0.059
5
0.417
416.667
4.890
0.033
6
0.500
500.000
3.035
0.020
7
0.583
583.333
1.833
0.012.
8
0.667
666.667
1.007.
0.007
.9
0.750
750.000
0.910
0.006
10
0.833
833.333
0.486
0.003
Sum
= 100.000 Sum=
0.675
Unit
Time
Pattern
Storm Rain
Loss rate(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max I Low
(In /Hr)
1•
0.08
1.30
0.390
0.097 - --
0.29
2
0.17
1.30
0.390
0.097 - --
0.29
3
0.25
1.10
0.330
0.097 - --
0.23
4
0.33
1.50
0.450
0.097 - --
0.35
5
0.42
1.50
0.450
0.09.7 - --
0.35
6
0.50
1.80
0.540
0.097 - --
0.44
7
0.58
1.50
0.450
0.097 - --
0.35
8
0.67
1.80
0.540
0.097 - --
0.44
9
0.75
1.80
0.540
0.097 - --
0.44
10
0.83
1.50
0.450
0..097 - --
0.35
11
0.92
1.60
.0.480
0.097 - --
0.38
12
1.00
1.80
0.540'
0.097 - --
0.44
13
1.08.
2.20
0.660
0.097 - --
0:56
14
1.17
2.20
0..660
0.097 - --
0.56'
15
1.25
2.20
0.660
0.097 - --
0.56
16
1.33
2.00
0..600 0.097 - --
0.50
17
1.42
2.60
0.780 0.097 - --
0.68 .
18
1.50
2.70
0.810 0.097 - --
0.71
19
1.58
2.40
0.720 0.097 - --
0.62
20
1.67
2.70
0.810 0.097 - --
0.71
21
1.75
3.30
0.990 0.097 - --
0.89
22
1.83
3.10
0.930 0.097 - --
0.83
23
1.92
2.90
0.870 0.097 - --
0.77'
24
2.00
3.00
0.900 0.097 - --
0.80
25
2.08
3.10
0.930 0.097 - --
0.83
7
4.20
1.260 0.097 - --
1.16
27
2.25
5.00
1.500 0.097 - --
28
2.33
3.50
1.050 0.097 - --
0.95
29
2.42
6.80',
2.040 0.097 - --
1.94
30
2.50
7.30
2.190 0.097 - --
2:09
31
2.58
8.20
2.460 0.097 - --
2.36
32
2.67
5.90
1.770 0.097 - --
1.67
33
2.75
2.00
0.600 0:097 - --
0.50
34
2.83
1.80
_ 0.540 0.097 - --
0.44.
35
2.92
1.80
0.540 0.097 - --
0.44.
36
3.00;
0.60
0.1.80 0.097• - --
0.08
Sum =
100.0
Stun =
26.5
Flood
volume = Effective
rainfall 2.21(In)
times
area
0.7(Ac. (In) /(Ft.)l _ .0.1(Ac.Ft)
Total
soil loss =
0.29(In)
Total
soil loss =
0.016(Ac..Ft)
Total
rainfall =
2.50(In)
Flood
volume =
5372.1 Cubic Feet
Total
soil loss =
708.1 Cubic' Feet.
----------------=------------------------------------------
Peak
flow rate of this hydrograph = 1.374(CFS)
----------=---------------------------------------------------
+++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + +
+ + + + + + + + + + ++
3 - 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) 0 2.5 5.0
- - - - -I
7.5 10.0
--
--
0 +- 5
- - - -------
0 0002
0- 02-- Q----
I
I I
0 +10
0.0010
0.12 Q I I
I I
0 +15
0.0020
0.15 Q I I
I
0 +20
0.0031
0.16. QV I I
I I
0f25
0.0045
.0.20 QV
0 +30
0.0060
0.23. QV
0 +35
0.0078
0.26 IQV I I
I I
0 +40
0.0095
0.25 IQ V I I
I I
0 +45
0.0114
0.28 IQ V I I
0 +50
0.0134
0.28 IQ V I I
I I
0 +55
0.0151
0.26 IQ V I I
I I
1+ 0
0.0170
0.26 IQ' V I I
I
.1 1
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 11/07/07 File: t33848u2hyd1100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------------------ - - - - --
P.iversIde 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 usedlin output format
MAMAN TENTATIVE.TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr offsite frontage
050.5 -023C AUG. 6, 2007
-----------------------------------------------------------
Drainage Area = 0.67(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 Min.
25% of lag time = 1.50 Min.
40% of lag time = 2:40 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.) [11 Rainfall (In)[21 Weighting[1 *2]
0.67 0.50 0.34
100 YEAR Area rainfall data:
Are a('Ac.)[1] Rainfall (In) [ 21 Weighting[1 *2]
0.67 1.90 1.27
STORM EVENT (YEAR) = 100.100
Area Averaged 2 -Year Rainfall ,= 0.500(In)
Area Averaged lob-Year-Rainfall = 1.900(In)
Point rain (area averaged) = 1.900(In)
Areal adjustment factor'- 100.00 % .
Adjusted average point rain = i.900(In)
Sub -Area Data:
Area(Ac.) Runoff Index Impervious•%
0.670 56.00 0.900
Total Area Entered = 0.67(Ac.)
RI RI -Infil. Rate Impervious Adj. Infil. Rate Area% F
PMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr)
56 .0 56.0 0.511 0.900 0.097. 1.000 0.097
Area averaged mean soil loss (F) (In /Hr) = 0.097
Minimum soil loss rate ((In /Hr)) 0.049
(for 24 hour storm duration)
Soil low' loss rate (decimal) _ 0.180_
Slope of intensity- duration curve for a 1 hour storm = 0.5800
----------------------------------------------------- - - - - --
.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
83.333
11.7.74
0.080
2
0.167
166.667
47.570
0.321
3
0.250
250.000
19.695.
0.133
4
0.333
333.333
8.799
0.059
5
0.417
416.667.
4.890
0.033 .
6
0.500
500.000
3.035
0.020
7
0.583
583.333
1.833
0.012
8
0.667
666.667
1.007
0.007
9
0.750
750.000
0.910
0.006
10
0.833
833.333
0.486
.0.003
------------------------------------------------
-----------
Sum
=.100.000 Sum=
0.675
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
0.097 - --
0.72
2
0.17
4.20
•0.958
0.097 - --
0.86
3
0.25
4.40
1.003
0.09.7 - --
0.91
4
0.33
4.60
1.049
• I
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 11/07/07 File: t3.3848u2hyd24100.out.
+=+++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
---------------------------------------------- - - - - --
giv- ensi..de_j:;Qqnty 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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr onsite streets
0505 -023C AUG. 6, 2007:
---------------------------------------------------------------
Drainage Area = 0 :63(Ac.) = 0.001 Sq. Mi.-
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 Min.
25% of lag time = 1.50 Min.
400 of lag time =. 2.40 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hours)
User Entered Base Flow = 0.00(CFS)
2-YEAR Area rainfall data:
Area (Ac.) L1] Rainfall (In) [2] Weighting [l *�2]
0.63 1.20 0.76
100 YEAR Area rainfall data:
Area(Ac.) [11 Rainfall (In)[21 Weighting[1 *2]
0.63 3:75 2.36
STORM EVENT (YEAR) = 100.00
Area Averaged 2 -Year Rainfall = 1.200(In)
Area Averaged 100 -Year Rainfall = 3.750(In)
Point rain (area averaged) = 3.750(In)
Areal adjustment factor = 100:00 %
I
Adjusted average point rain = 3.750(In)
Sub -Area Data:
Area(Ac.) Runoff Index Impervious %
0.630 56.00 0.900
Total Area Entered = ' 0.63(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr)
5.6..,0_5_6__0 Q.511 0.900 0.097 1.000 0.097
Sum ( F ) = 0 . 0'97
Area averaged mean soil loss (F) (In /Hr) = 0.097
Minimum soil loss-rate ((In /Hr)) = 0.049
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
----------------------------------------------------- - - - - --
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
83.333
11..774
0..075
2 .
0.167
166.667
47.570
0.302
3
0.250
250.000
19.695
0.125
4
0.333
333.333
8.799
0.056
5
0.417
416.667
4.890
0.031
6
0.500
500.000.
3.035
0.019
7
0.583
583.333
1.833
0.012
8
0.667
666..667
1.007
0.006
9
0.750
750.000
0.910
0.006
10
0.833
833.333
0.486
0.003
Sum = 100.000
Sum =
0.635
Unit
Time
Pattern
Storm Rain
Loss rate(In./Hr)
Effective.
(Hr.)
Percent
(In /Hr)
Max I
Low
(In /Hr)
1
0.08
0.07
0'.030
0.172
0.005
0.02
2
0.17
0.07
0.030
0.271
0.005
0.02
3
0.25
0.07
0.030
0.171
0.005
0.02
4
0.33
0.1.0
0.045
0.170
0.008
0.04
5
0.42
0.10
0.045
0.169
0.008
.0.04
6
0.50
0.10
0.045
0.169
0..008
0.04
7
0.58
0.10
0.045
0.168
0.008
0.04
8
0.67
0.10
0.045
0.167
0.008
0.04
9
0.75
0.10
0.045
0.167
0.008
0.04
10
0.83
0.13
0.060
0.166
0.011
0.'05
11
0.92
0..13
0.060
0.165
0..011
0.05
12
1.00
0.13
0.060
.0. 165
0.011
0.05
13
1.'08
0.10
0.045
0.164
0.008
0.04.
14
1.17
0.10
0.045
-0.163
0.008
0.04
15
1.25
0.10
0.045
0.163
0.008
0.04.
N
16
1.33
0.10
0.045
0.162
0.008
0.04
11
1.42
0.10
0.045
0.162
0.008
0.04
18
1.50
0.10
0.045
0.161
0.008
0.04
19
1.58
0.10
0.045
0.160
0.008
0.04
20
1.67
0.10
0.045
0.160
0.008
0.04
21
1.75
0.10
0.045
.0.159
0.008
0.04
22
1.83
0.13
0.060
0.158
0.011
0.05
23
1.92
0.13
0.060
0.158
0.011
0.05
24
2.00
0.13
0.060
0.157
0.011
0.05
25
2.08
0.13
0.060
0.156
0.011
0.05
2.6._._.2
0 .-1 3
0.060
0.156
0.011
Q.05
"5
27'
". -IJ
2.25
0.13
0.060
0.155
0.011 -
0-0
28
2.33
0.13
0.060
0.155
0.011
0.05
29
2.42
0.13
0.060
0.154
0.011
0.05
30
2.50
0.13
0.060
0.153
0.011
.0.05
31
0.17
0.075
0.153
0.013
0.06
32
.2.58.
2.67
•0.17
0.075
0.152
0.013
0.06
33
2.75
0.17
.0.075
0.151
0.013
0.0
34
2..83
0.17
0.075
0.151
0.013
0.06
35
2.92
0.17
0.075
0.150
0.013
0.06
36
3.00
0.17
0.075
0.150
0.013
0.06
37
3.08
0.17
0.075
0.149
0.013
0.06
38
3.17
0.17
0..•075
0.148
0.013
0.06
39
3.25
0.1 7
0.075
0.148
0.013
0.06
40
3.33
0.17
0.075.
0.147
0.013
0.06
41
3.42
0.17
0.075
0.146
0.013
0.06
42
3.50
0.17
0.075
0.146
0.013
0.06
43
3.58
0.17
0.075
0.145
0.013
0.06
44
3.67
0.17
0.075
0.145
0.013
0.06
45
3.75
0.17
0.075
0.144
0.013
.0.06
46
3.83
0.20
0.090
0.143
0..016
0.07
47
3.92
0.20
0.090
0.143
0.016
0.07
48
4.00
0.20'
0.090
0.142
0.016
0.07
49
4.08
0.20
0.090
0.142
0.016
0.07
.50
4..17
0.20
0.090
0.141
0.016
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51
4.25
0.20
0.090
0.140
0.016
0.07
52
4.33
0.23.
0.105
0.140
0.019
0.09
53
4.42
0.23
0.105
0.139.
0.019
0.09
54
4.50
0.23
0.105
0.139
0.019
0.09
55
4.58
0.23
0.105 ,•
0.138
0.019
0.09
56
4.67
0.23
0.105
-0.137
0.019
0.09
57
4.75
0.23
0.105
.0.137
0.019
0.09
58
4.83
0.27
0.120.
0.136
0.022
0.10
59
4.92
0.27
0.120
0.136
0.022
0.10
60
5.00
0..27.
0..120
0.135
0.022
0.10
61
5.08
0.20
0.090
0.134
0.016
0.07
62
5.17
0.20
0.090
0.134
0.016
0.07
63
5.25
0.20
0.090
0.133
0.016.
0.07
64
5.33
0.23
0.105
0.133
0.019
0.09
65
5.42
0.23
0.105
0.132
0.019
0.09
66
5.50
0.23
0.105
0.132
0.019
0.09
67
.. .5.58
0.27..
0.120
0:131
0.022
0.10
68
5.67
0.27
0.120
0.130.
0.022
0.10
69
5.75
0.27
0.120
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0.022
0.10
70
5.83
0.27
0.120
0.129
0.02.2.
71
5.92.
0.27
0.120
0.129
0.022
0.10
72
6.00
0.27
0.120
0.128
0.022
0.'10
73
6.08
0.30
0.135
0.128 - --
.0.01
74
6.17
0.30
0.135
0.127 - --
0.01
75
6.25
0.30
0.135
0.126 - --
0.01
76
6.33
0.30
0.135
0.126 - --
0.01
77
6.42
0.30
0.135
0.125 - --
0.01
78
6.50
0.30
0.135
0.125 - --
0.01
79
6.58
0.33
.0.150
0.124 - --
0.03
80
6.67
0.33
0.150
0.124 - --
0.03
81
6.75
0.33
0.150
0.123 - --
0.03
82
6.83
0.33
0.150
0.122 - --
0.03
8.3
6- _9.2
0.150
0.122 - --
0.03
B4
7.00
0.33
.0.150
0.121 - --
0 -03
85
7.08
0.33
0.150
0.121 - --
0.03'
86
7.17
0.33
0.150
0.120 - --
0.03
B7
7.25
0.33
0.150
0.120
0.03
88
7.33
0.37
0.165
0.119 ___
0.05
89
7.42
0.37
0.165
0.119
0.05
90
7.50
0.37
0.165
0.118 - --
0.05
91.
7.58
0.40
0.180
0.118 - --
0..06
92
7.67
0.40
0.180
0.117 - --
0.06
93
'7.75
0.40
0.180
0.116 - --
0.06
94
7..83
0.43
0.195
0.116 - --
0.08
95
7.92
0.43
0.195
0.115 - --
0.08
96
8.00
.0.43.....
0.195....
0.115 - - -.
0.08
97
8.08
0.50
0.225
0.114 - --
0.11
98
8.17
0.50
0.225
0.114 - --
0.11
99
8.25
0.50
0.225
0.113 - --
0.11
100
8.33
0.50
0.225
0.113 - --
0.11
101
8.42
0.50
0.225
0.112 - --
0.11
102
8.50
0.50
0.225
0.112 - --
0.11
103
8.58
0.53
0.240
0.111 - --
0.13
104
8.67
0.53
0.240
0.111 - --
0.13
105
8.75
0.53
0.240
0.110 - --
0.13
106
8.83
0.57
0.255
0.110 - --
0.15
107
8.92
0.57
0.255
0.109 --
0.15
108
9.00
0.57
0.255
0.109 - --
0.15
10.9
9.08
0.63
0.285
0.108 - --
0.18
110
9.17
0.63'
0.285.
0.108 - --
0.18
111
9.25
0..63
0.285
0.107. - --
0.18
112
9.33
0.67
0.300
0.107 - --
0.19
113
9.42
0.67
0.300
0.106 - --
0.19
114
9.50
0.67
0.300
0.105 - --
0.19
115
9.58
0.70
0.315
0.105 - --
0.21
116
9.67
0.70
0.315
0.104 - --
0.2.1
11.7
9.75
.0.70'
0.315
0.104 - --
0.21
' 118
9.83
0.73
0.330
0.103 - --
0.23
119
9.92
0.73
0.330
0.103 - --
0.23
120
10.00
0.73
0.330
0.102 - --
0.23
121
10.08
0.50
0.225
0.102 - --
0.12
122
10.17
0.50
0.225
0.101 - --
0.12 .
123
10.25
0.50
0.225
0.101 - --
0.12
124
10.33
0.50.'
0.225
0.101 - --
0.12
125
10.42
0.50..
0.225
0.100 - --
0.12
126
0.50
0.225
0.100 - --
0.13
127
.10.50
10.58
0.67
0.300
0.099 - --
0.20
128
10.67
0.67
0.300
0.099 - --
0.20
129
10.75
0.67
0.300
0.098 - --
0.20
130 10.83
0.67
0.300
0.098 - --
0.20
131
10.92
0.67
0.300
0.097 - --
0.20
132
11.00
0.67
0.300
0.097 - --
0.20
133
11.08
0.63
0.285
0.096 - --
0.19
134
11.17
0.63
0.285
0.096 - --
0.19
135
111.25
0.53
0.285
0.095 - --
0.19
136
11.33
0.63
0.285
0:095 - --
0.19
137
11.42
0.63
0.285
0.094 - --
0.19
138
11.50
0.63
0.285
0.094 - --
0.19
139
11.58
0.57
0.255
0.093 - --
0.16
1.4.0_1L._6.7'
0_._57
0.255
0.093 - --
0.16
141
11.75
0.57
0.255
0.092 - --
0.
142
11.83
0.60
0..270
0.092 - --
0.18
143
11.92
0.60
0.270
0.092 - --
0.18
144
12.00
0.60
0.270
0.091 - --
0.18
145
12.08
0.83
0.375
0.091 - --
0.28
146
12.17
0.83
0.375
0.090 - --
0.28
147
12.25
0.83
0.375
0.090 - --
0.29
148
12.33
0.87
0.390
0.089 - --
0.30
149
12.42
0.87.
0.390
0.089 - --
0.30
150
12.50
0.87
0.390
0.088 - --
0.30
151
12.58
0.93
0.420
0.088 - --
0.33
152
12.67
0.93
0.420
0.087 - --
0.33
15.3
12.75
0.93
0.420
0.087.. - --
... 0.33
154
12.83
0.97
0.435
0.087 - --
0.35
155
12.92
0.9.7
0.435
0.086 - --
0.35
156
13.00
0.97
0.435'
0.086 - --
0.35
157
13.08
1.13
0.510
0.085 - --
0.42
158
13.17'
1.13-
0.510
0.085 - --
0.43
159
13.25
1.13
0.510
0.'084 - --
0.'43
160
13.33.
1.13
0.510
0.084 - --
0.43
161
13.42
1.13
0.510
0.084 - --
0.43
162
13.50
1.13.
0.510
0.083 - --
0.43
.163
13.58
0.77
0.345
0.083 - --
0..26
164
13.67
0.77
0.345
0.082 - --
0.26
165
13.75
0.77
0.345
0.082 - --
0.26
166.
13.83
0.77
0.345
0.081 - --
0.26
167
13.92
0.77
0.345
0.081 - --
0.26
168
14.00
0.77
0.345
0.081 - --
0.26
169
14.08
0.90
0.405
0.080 - --
0.32
170
14.17
0.90
0.405
0.080 - --
0.33
171
14.25
0.90
0.405
0.079 - --
0.33
172
14.33
0.87
0.390
0.079 - --
0.31
113
14.42
0.87
0.390
0.079 - --
0.31
174
14.50
0.87
0.390
0.078 ---
0.31
175
14.58
0.87
0.390
0.078 - --
0.31
176
14.67
0.87
0.390
0.077 - --
0.31
177
14.75
0.87
0.390
0.077 - --
0.31
178'
14.83
0.83
0.375
0.077 - --
0.30
179
14.92
0.83
0.375
0.076 ---
0.30 .
180
15.00
0.83
0.375
0.076 - --
0.30
181
15.08
0.80
0.360
0.075 - --
0.28
182
15.17
0.80
0.360
0.075 - --
0.28
183
15.25
0.80
0.360
0.075 - --
0.29
184
15.33
0.77
0.345
0.074 - --
0.27
185
15.42
0.77
0.345
0.074 - --
0.27
186
15.50
0.77
0.345
0 .073 - --
0.27
187 1.58
0.63
0.285
0.073
- --
0.21
188
15.67
0.63
0.285
0.073
- --
0.21
189
15.75
0.63
0.285
0.072
- --
0.21
190
15.83
0.63
0.285
0.072
- --
0.21
191
15.92
0.63
0.285
0..072
- --
0.21
192
16.00
0.63
0.285
0.071
- --
0.21
193
16.08
0.13
0.060
0.071
0.011
0.05
194
16.17
0.13
0.060
0.071
0.011
0.05
195
16.25
0.13
0.0.60
0.070
0.011
0.05
196
16.33
0.13
0.060
0.070
0.011
0.05
1g7
16.42
0.13
0.060
0.069
0.011
0.05
198
16.50
0.13
0.060
0.069
0:0 "1 1
0 -05
199
16.58
0.10
0.045
0.069
0.008
0.04
200
16.67
0.10
0.045
0.068
0.008'
0.04
201
16.75
0.10
0.045
0.068
0.008
0.04
202
16.83
0.10
0.045
0.068
0.008
0.04
203
16.92
0.10
0.045
0.067.
0.008
0.04
204
17.00
0.10
0.045
0.067.
0.008
0.04
205
17.08
0.17
0.075
0.067,
- --
0.01
206
17.17
0.17
0:075
0.066
- --
0.01
207
17.25
0.17.
0.075
0.066
- --
0.01
206
17.33
0.17
0.075
0.066
- --
0.01
209
17.42
0.17
0.075
0.065
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0.01
210
17.50
0.17 -,
0.075
0.065
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0.01.,
211
17.58
0.17
0.075
0.065
- --
0.01
212
17.67
0.17
0.075
0.064
- --
0.01
-213
17.75
0.17
0.075
0.064
- --
0.01'
214
17.83
0.13
0.060
0.064
0.011
0.05
215
17.92
0.13
0.060
0.063
0.011
0.05
216
18.00
0.13
0.060
0.063
0.011
0.05
217
18.08
0.13.
0.060
0.063
0.011
0.05
218
18.17
0.13
0.060
0.063
0.011
0.05
219
18.25
0.13
0.060
0.062
0.011
0.05
220
18.33
0.13
0.060
0.062
0.011
0.05
221.
18.42
0.13
0.060
0:062
0.011
0.05
222
18.50
0.13
0.060
0.061
0.011
0.05
223
18.58
0.10
0.045
0.061
0.008
0.04
224
18.67
0.10
0.045
0.061
0.008
0.04
225
18.75
0.10
0.045
0.060
0.008
0.04
226
18.83
0.07
0.030
0.060
0.005
0.02
227
18.92
0.07
0.030
0.060
0.005
0.02
228
19.00
0.07
0.030
0.060
0.005
0.02
229
19.08
0.10
0.045
0.059
0.008
0.04
230
19.17
0.10
0.045
0.059
0.008
0.04
231
19.25
0.10.
0.045
0.059
0.008
0.04
232
19.33
0.13
0.060
0.058
- --
0.00
233
19.42
0.13
0.060
0.058
- --
0.00
234
19.50
0.13
0.060
0.058
- --
0.00
235
19.58
0.10
0.045
0.058
0.008
0.04
236
19.67
0.10
0.045
0.057
0.008
0.04.
237
19.75
0.10
0.045
0.057
0.008
0.04
238
19.83
0.07
0.030
0.057
0.005
0.02
239
19.92
0.07
0.030
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0.005
0.02
240
20.00
0.07
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0.056
0.005
0.02
241
20.08
0.10
0.045
0.056
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0.04
242
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0.10
0.045
0.056
0.008
0.04
243
20.25
0.10
0.045
0.056
0.008
0.04
244
20.33
0.10
0.045
0.055
0.008
0.04
245
20.42
0.10
0.045
0.055
0.008
0.04
246
20.50
0.10
0.045
0.055
0.008
0.04
247
20.58
0.10
0.045
0.055
0.008
0.04
248
20.67
0.10
0.045
0.054
0.008
0.04
249
20.75
0.10
0.045
0.054
0.008
0.04
250
20.83
0.07
0.030
0.054
0.005
0.02.
251
20.92
0.07
0:030
0.054
0.005
0.02
252
21.00.
0.07
0.030
0.054
0.005
0.02
253
21.08
0.10
0.045
0.053
0.008
0.04
2.5.A-
2.1.._L7
Q_...1Q_,
0.045
0.053
0.008
0.04
255
21.25
0.10
0.045
0.053
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0 ^04
256
21.33
0.07
0.030
0.053
0.005
0.02
257
21.42
0.07
0.030
0.053
0.005
0.02
258
21.50
0.07
0.030
0.052
0.005
0.02
259
21.58
0.10
0.045
0.052
0.008
0.04
260
21.67
0.10
0.045
0..052
0.008
0.04
261
21.75
0.10
0.045
0.052
0.008
0.04
262
21.83
0.07
0.030
0.052
0.005
0.02
263
21.92
0.07
0.030
0.051
0.005
0'.02
264
22.00
0.07
0.030.
0.051
0.005
0.02
265
22.08
0.10
0.045
0.051
0.008.
0.04
26.6
22.17
0.10
0.045
0.051
0.008
0.04
267
22.25
0.10
0.045
0.051
0.008
0.04. ...
268
22.33
0.07
0.030
0.051
0.005
0.02
269
22.42
0.07
0.030
0.050
0.005
0.02
270
22.50
0.07
0.030
0.050
0.005
0.02
271
0.07
0.030
0.050
0.005
0.02 .
272
.22.58
22.67
0.07
0..030
0.050
0.005
0.02
273
22.75
0.07
0.030
0.050
0.005
0.02
274
22.83
0.07
0.030
0.050
0.005
0.02
275
22.92
0.07
0.030
0.050
0.005
0.02
276
23.00
0.07
0.030
0.049
0.005
0.02
277
23.08
0.07
0.030
0.049
0.005
0.02
278
23.17
0.07
0.030
0.049
0.005
0..02
279
23.25
0.07
0.030
0.049
0.005
0.02
280
23.33
0.07
0.030
0.049
0.005
0.02
281
23.42
0.07
0.030
0.049
0.005
0.02
282
23.50
0.07
0.030
0.049
0.005
0.02
283
2.3.58
0.07
0.030
0.049
0.005
0.02'
284
23.67
0:07
0.030
0.049
0.005
0.02
285
23.75
0.07
0.030
0.049•
0.005
0.02
286
23.83
0.07
0.030
0.049
0.005
0.02
28.7
23.92
0.07
0.030
0.049
0.005
0.02
288
24.00
0.07
0.030
0.049
0.005
0.02
Sum =
100.0
Sum =
30.9
Flood
volume = Effective rainfall
2.58(In)
times
area
0.6(Ac.) /[(In)
/(Ft.)]
= 0.1(Ac.Ft)
Total
soil loss
= 1.17(In)
Total
soil loss
= 0.062(Ac.Ft)
Total
rainfall =
3.75(In)
Flood
volume =
5896.9 Cubic Feet
Total
soil loss
= 2679.0
Cubic Feet
-=------------------------------------------------ - - - - -- - -- -
Peak flow rate of this hydrograph = •0.269(CFS)
-------------------- -----------------------------------------
.4 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 ((CES))
--------------------------------------------------------------------
Time(h +m)
Volume Ac.Ft
Q(CFS)
0 2.5 5.0 7.5 10.0
- ---------------- ---
--------------------------------------
0+ 5
0.0000
0.00
Q
0 +10
0.0001
0.01
Q I I I I
0 +15 0,0002
0.01
Q I I I I
0 +20
0.0003
0.01
Q I I
0 +25
0.0004
0.02
Q I I I I
0 +30
0.0005
.0.02
Q I I I I
0 +35
0.0007
0.02
Q
0 +40
0.0008
0.02
Q I I I I
0 +45
0.0010
0.02
Q I I I I
0 +50
0.0012
0.02
Q I I I I
0 +55
0.0014
0.03
Q I I I I
1+ 0
0.0016
0.03
Q I I I I
1+ 5
0.0018
0.03
Q
1 +10
0.0020
0.03'
Q I I I I
1 +15
0.0021
0.02
Q I I I I
1 +20
0.0023
0.02
Q I I I I
1 +25
0.0025
0.02
Q I I I I
1 +30
0.0026
0.02
Q
1 +35
0.0028
0.02
Q I I I I
1 +40
0.0029
0.02
Q. I I I I
1 +45
0.0031
0.02
Q I I I I
1 +50
0.0033
0.02
Q I I I I
1 +55
0.0035
0.03
QV I I I I
2+ 0
0.0037
'0.03
QV
2+ 5
0.0039
0.03
QV I I I I
2 +10
0.0041
0.03
QV' I I I I
2 +15
0.0043
0.03
QV I I I I
2 +20
0.0045
0.03
QV I I I I
2 +25
0.0047
0.03
QV I I I I
2 +30
0.0049
0.03
QV I I I I
2 +35
0.0052
0.03
QV I I I I
2 +40
0.0054
0.04
QV I I I I
2 +45
0.0057
0.04
QV I I I I
2 +50
0.0059
0'.04
QV I I I I
2 +55
0.0062
0.04
QV I I I I
3+ 0
0.0065
0.04
QV I I I I
3+ 5
0•.0067
0:04
QV I I I I•
3 +10'
0.0070
0.04
Q V I I I I
3 +15
0.0073
0.04
Q V I I I I
3 +20
0.0075
0.04
Q V I I I
.3 +25
0.0078
0.04
Q V
3 +30
0.0081
0.04
Q V I I I I
3 +35
0.0083
0.04
Q V I I I I
3 +40
0.0086
0.04
Q V I I I I
3 +45
0.0089
0.04
Q V I I I I
3 +50
0.0092
0.04
Q-V I I I I
3 +55
0.0095
0.04
Q V I I I I
4+ 0
0.0098
0.05
Q V I I I I
4+ 5
0.01'01
0.05.
Q V I I I I
4 +10
0.0104
0.05 Q V
I I I I
4 +15
0.0107
0.05 Q V
I I I I
4 +20
0.0111
0.05 Q V
I I I I
4 +25
0.0114
0.05 Q V
I I I I
4 +30'
0.0118
0.05 Q V
I I I I
4 +35
0.0121
0.05. Q V
I I I I
4 +40
0.0125
0.05 Q V
I I I I
4 +45
0.0129
0.05 Q V
I I I I
4 +50
0.0133
0.06 Q 'V
I I I I
4 +55
0.0137
0.06 Q
V I I I I
5 +_.0
0 _.0_14.1
0.06 Q
V I I I I
5+ 5
0.0145
0.06 Q
V I I I I
5 +10
0.0149
0.05 Q
V I I I I
5 +15
0.0152
0.05 Q
V I I I I
5 +20
0.0156
0.05 Q
V
5 +25
0.0159
0.05 Q
V
5 +30
0.0163
0.05 Q
V I I I I
5 +35
0.0167
0.06 Q
V
5 +40
0.0171
0.0.6 'Q
V I I I I
5 +45
0.0175
0.06 Q
V I I I I
5 +50
0.0179
0.06 Q
V I I I I
5 +55
0:0183
0.06 Q
V I I I I
6+ 0
0.0186
0.06 Q
V I I I
6+ 5
0.0192
0.06 Q
V I I I I
6 +10
0.0193
0.03 Q
V I I I I
6 +15
0.0195
0.02 Q
V I I I I
6 +20
0.0195
0.01 Q
V I I I I
.6 +25
0.0196
0.01 Q
V I I I I
6 +30
0.0197
0.01 Q
V I I I
6 +35
0.0197
0.01 Q
V I I I I
6 +40
0.0198
0.01 Q
V. I I I I
6 +45
0.0199
0.01 Q
V I I I I
6 +50
0.0200
0.02 Q
V I I I I
6 +55
0.0201
0.02 Q
V I I I I
7+ 0
0.0203
0.02 Q'
V. I I I I
7+ 5
0.0204
0.02 Q
V I I I I
7 +10
0.0205
0.02 Q
V I I I
7 +15•
0.0206
.0.02 Q
V I I I I
7 +20
0.0208
0.02 Q
7 +25
0.0210
0.02 Q
V I I I I
7 +30
0.0211
0.03 Q
V I I I I
7 +35
0.02].3
0.03' Q
V I I I I
7 +40
0.0216
0.03 Q
V I I I I
7 +45
0.0218
0.04 Q
V I I I I
7 +50
0.0221
0.04 Q
V I I I I
1 +55
0.0224
0.05' Q
V I I I I
8+ 0
0.0228
0.05 Q
V I I I I
8+ 5
0.0231
0.05 Q
V
8 +10
0.0235
0.06 Q
V
8 +15
0.0240
0.07.. Q
V I I I I
8 +20
0.0245
0.07 Q
V I I I I
8 +25
.0.0249
0.07 Q
V I I I
8 +30
0.0254
0.07 Q
V I I I I
8 +35
0.0259
0.07 Q
V I I I I
8 +40
0.0265
0.08 Q
V I I I I
8 +45
0.0270
0.08 Q
V I I I I
8 +50
0.0276
0.08 Q
V I I I I
i': 117
8 +55
0.0282
0.09 Q
V I I I I
9+ 0
0.0288
0.09 Q
V I I I I
9+ 5
0.0294
0.09 Q
V I I I I
9 +10
0.0302
0.10 Q
V I I I I
9 +15
0.0309
0.11 Q
VI I I I
9 +20
0.0317
0.11 Q
VI' I I I
9 +25
0.0325
0.12 Q
VI I I I
9 +30
0.0333
0.12 Q
VI I I I
9 +35
0.0341
0.12 Q
V I I I
9 +4D
0.0350
0.13 Q
V I I I
9 +A5
0,_ 015,9
0.13 Q
V I I I
9 +50
0.0368
0.13 Q
V I I I
9+55
0.0378
0.1.4 Q
IV I I I
10+ 0
0.0388
0.14 Q
IV I I I
10+ 5
0.0397_
0.14 Q
IV I I I
10 +10
0.0404
0.10 Q
JV I I I
10 +15
0.0411
0.09 Q
I V I I I
10 +20
0.0417.
0.09 Q
I V I I I
10 +25
0.0422
0.08 Q
I V I I I
10 +30
0.0428
0.08 Q
I V
10 +35
0.0434
0.0.9 Q
I V
10 +40
0.0441
0.11 Q
I V I I I
10 +45
0.0450
0.12 Q
I V I I I
10 +50
0.0458
0.12 Q
I V I I I
10 +55
0.0467
0.12 Q
I V I I I
11+ 0
0.0475
0.13 Q
I V
• 11+ 5
0.0484
0.13 Q
I V I I I
11 +10
0.0492
0.12 Q
I V I I I
11 +15
0.0501
0.12 Q
I V I I I
11 +20
0.0509
0.12 Q
I V I I I
11 +25
0.0518
0.12 Q
I V I I I
11 +30
0.0526
0.12 Q
I V I I I
11 +35
0.0534
0.12 Q
I V
11 +40
0.0542
0:11 Q
I V I I I
11 +45
0.0549
0.11 Q
I V I I I
11 +50
0.0556
0.11 Q
I V I I I
11 +55
0.0564
0.11 Q
I V I I I
12+ 0
0.0572
.0.11 Q
I V I I I
12+ 5
0.0580
0.12 Q
I V
12 +10
0.0591
0.15 Q
I V I I I
12 =15
0.0602
0.17 Q
I V I I I
12 +20
0.0614
0.17 Q
I V I I I
12 +25
0.0627
0.18 Q
I V I I I
12 +30
0.0639
0.19 Q
I V I I I
12 +35
0.0653
0:19 Q
I VI I I
12 +40
0.0666
0.20 Q
I VI I I
12 +45
0.0681
0.21 Q
I V I I
12 +50
0.0695
0.21 Q
I V I I
12 +55
0.0710
0.22 Q
I V I I
13 +.0
0.0725
0.22 Q
I IV. I
13+.5
0.0740
0.23 Q
I IV I
13 +10
0.0758
0.25 Q
I I V I
13 +15
0.0776
0.26 IQ
I I V I I
13 +20
0.0794
0.26 IQ
I I V I I
13 +25,
0.0812
0.27 IQ
I I V I I
13 +30
0.0831
0.27 AQ
I I V I I
13 +35
0.0848
0.26 IQ
I I V I I
y
13 +40
0.0863
0.21 Q. I
I V I
I
13 +45
0.0876
0.19 Q I
I V- I
I
13 +50
0.0888
0.'18 Q i
I V I
I
13 +55
0.0900
0.17 Q I
I V I
I
14+ 0
0.0912
0.17 Q I
I V I
I
14+ 5
0.0924
0.17 Q I
I V I
14 +10
0.0937
0.19 Q I
I V I
I
14 +15
0.0951
0.20 Q I
I V I
I
14 +20
0.0965
0.20 Q I
I V I
I
14 +25
0.0978
0.20 Q I
I V I
i
0.20 Q I
I V I
I
14 +35
0.1006
0.20 Q I
I vl�l
14 +40
0.1019
0.20 . Q I-
I V
I
14 +45
0.1033
0.20 Q I
I V
I
14 +50
0.1047
0.20 Q I
I V
I
14 +55
0.•1060
0.19 Q I
I IV
1
15+ 0
0.1073
0.19 Q I
I IV
I
15+ 5
0.1086
0.19 Q I
I I V
I
15 +10
0.1099
0.19 Q I
I I V
I.
15 +15
0.1112
0.18 Q I
I I V
I
15 +20
0.1124
0.18 Q I
I I
V I
15 +25
0.1136
0.18 Q I
I I
V I
15 +30
0.1148
0.17 Q I
I I
V I
15 +35
0.1160
0.17 Q I
I I
V I
15 +40
0.1170
0.15 Q I
I I
V I
15 +45
0.1180
0.14 Q I
I I
V I
15 +50
0.1190
.0.14 Q I
I I
V
15 +55
0.1199
0.14 Q I_
I I
V I
16+ 0
0.1209
0.14 Q I
I I.
V I
16+ 5
0.1217
0.12 Q I
I I
V
16 +10
0.1222
0.07 Q I
I I
V I
16 +15
0.1226
0.05 Q I
I' I
V I
16 +20
0.1229
0.04 Q I
I I
V
16 +25
0.1232
'0.04 Q I
I I
V I
16 +30
0.1234
0.04 Q I
I I
V I
16 +35
0.1236
0.03 Q I
I I
V
` 16 +40
0.1238
0.03 Q I
I I
V t
16. +45
0.1240
0.03 Q I
I I
V
16 +50.
0.1242
0.02 Q I
I I
V
16 +55
0.1243
0.02 Q I
I I
V I.
17+ 0
0.1245
0.02 Q I
I I
V
17+ 5
0.1247
0.02 Q I
I t
V I
17 +10
0.1247
0.01 Q I
I I
V
17 +15
0.1248
0.01 Q I
I I
V I
17 +20•
0.1249
0.01 Q I
t I
V
17 +25
0.1249
0.01 Q I
I I
V t
17 +30
0.1250
0.01 Q I
I I
V
17 +35
0.1250
0.01 Q I
I I
V
17 +40
0.1251
0.01 Q I
I I
V. I
17 +45
0.1251
0.01 Q I
I I
V
17 +50
0.1252-
0:01 Q I
I I
V I
17 +55
0.1253
0.02 Q I.
I I
V
18+ 0
0.1255
0.03 Q I
I t
V
18+ 5
0.1257
_
0.03 'Q I
I I
V
18 +10
0.1259
0.03 Q I
I I
V
18 +15
0.1261
0.03 Q I
I I
V I
18 +20
0.1263
0.03 Q I
I I
V
18 +25
0.1265
0.03 Q I
I I V
I.
18 +30
0.1267
0.03 Q I
I I V
18 +35
0.1269.
0.03 Q I
I I V
I
18 +40
0.1271
0.03 Q I
I I V
I
18 +45
0.1273
0.03 Q I
I I V
18 +50
0.1275
0.02 Q I
I I V
I
18 +55
0.1276
0.02 Q I
I I V
19+ 0
0.1277
0.02 Q I
I I V
I
19+ 5
0.1278
0.02 Q I
I I V
19 +10
0.1280
0.02 Q I
I I V
I
19_ +_1.5
0-122
0.02 Q I
I I V
I
19 +20
0.1283
0.02 Q I
I I�v
19 +25
0.1283
0.01 Q I
I I V
I
19 +30
0.1284
0.01 Q I
I I V
19 +35
0.1284
0.01 Q I
I I v
I
19 +40
0.1285
0.02 Q I
I I V'
I
19 +45
0.1287
0.02 Q I
I I
V
I
19 +50
0.1288
0.02 Q I
I I
V
I
19 +55
0.1289
0.02 Q I
I I
V
20+ 0
0.1290
0.02 Q I
I I
V
I
20+ 5
0.1292.
0.02 Q I
I I
V
I
20 +10
0.1293
0.02 Q I
I I
V
I
20 +15
0.1294
0.02 Q I
I I
V
I
20 +20
0.1296
0.02 Q I
I I
V
I
20 +25
0.1298
0.02 Q I
I I
V
I
20 +30
0.129.9
0.02 Q I
I I
V
I
20 +35
0.1301
0..02 Q
V
I
20 +40
0.1302
0.02- Q I
I i
V
I
20 +45
0.1304
0.02 Q I
I I
V
I
20 +50
0.1306
0.02 Q i
I I
V
I
20 +55
0.1307
0.02 Q I
I I
v
21+ 0
0.1308
0.02 Q I
I I
V
2'1+ 5
0.1309
0.02 Q I
I I
V
I
21 +10,
0.1311
0.02 Q I
I I
V
I
21 +15
0.1312
0.02 Q I
I I
v
I
21 +20
0.1314
0.02 Q I
I I
V
I
21 +25
0.1315
0.02 Q I
I I
V
I.
21 +30,
0.1316
0.02 Q I
I I
v
I
21 +35
0.1317
0.02 Q I
I I
V
I
21 +40.
0.1319
0.02 Q I
I I
V
21 +45
0.1320
0.02 Q I
I I
VI
21 +50
0.1322
0.02 Q I
I I
VI
21 +55
0.1323
0:02 Q I
I I
VI
22+ 0
0.1324
0.02 Q I
I I
VI
22+ 5
0.1325
0.02 Q I
I I
VI
22 +10
0.1327
0.02 Q I
I I
VI.
22 +15
0.1328
0.02 Q I
I I•
VI
22 +20
0.1330
0.02 Q I
I I
VI
22 +25
0.1331
0:02 Q I
I i
V1
22 +30
0.1332
0.02 Q I
I I
VI
22 +35
0.1333
0.02 Q I
I I
VI
22 +40
0.1335
0.02 Q I
I I
VI
22 +45
0.1336
0.02 Q I
I I
VI
22 +50
0'.1337
0.* 02 Q I
I I
VI
22 +55
0.1338
0.02 Q I
I I
VI
23+ 0
0,1339
0.02 Q I
I I
VI
23+ 5
0.1340
0.02 Q I'
I I
VI
23 +10
0.1341
0.02
Q I I
I VI
23 +13
0.1342
0.02
Q I I
I VI
23 +20
0.1343
0.02
Q I I
I VI
23 +25
0.1344
0.02
Q I I
I VI
23 +30
0.1345
0.02
Q I
I I VI
23 +35
0.1346
0.02
Q I
I I Ul
23 +40
0.1348
0.02
Q I
I I VI
23 +45
0.1349
0.02
Q I
I I VI
23 +50
0.1350
0.02
Q
23 +55
0.1351
0.02
. Q
2-4 + -0
013.52
0.02
Q I
I I V
24+ 5
0.1353
0.01
Q I
I I I
24 +10
0.1353
0.01
Q I
I I VI
24 +15
0.1353
0.00
Q I
I I VI
24 +20
0.1354
0.00
Q I
i' I VI
24 +25
0.1354
0.00
Q I
I I VI
24 +30
0.1354
0.100
Q I
I I VI
+35
0.1354
0.00
Q I.
I I VI
.24
24 +40
0.1354
0.00
Q I
I I VI
24 +45
0.1354
0.00
Q I
I I VI
I 11�
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 11/07/07 File: t33848u2hyd6100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------------------------------------ - - - - --
�River.sideCau-rLt-y 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
---------------------------------------------------------------------
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr onsite streets
0505 -023C AUG. 6, 2007
--------------------------------------------------------------------
Drainage Area = 0.63(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag. time = 0.10'0 Hr.
Lag time = 6.00 Min.
25% of lag time = .1.50 Min.
40% of .lag time = 2.40 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.)[1] Rainfall(In)[2] Weighting[1 *2]
0.63 0:80 0.50
100 YEAR Area rainfall data:
Area(Ac.)[1]• Rainfall(In)[2] Weighting[1 *2]
.0.63 3.00 1.89
STORM EVENT (YEAR) = 100.00
Area Averaged 2 -Year Rainfall = 0.800(In)
Area Averaged 100 -Year Rainf.all = . 3.000(In)
Point fain.(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 %
0.630 56.00 0.900
Total Area Entered = 0.63(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) .(Dec.) (In /Hr)
6_._0 .900 0.09'7 1.0 0 0 0.097
Sum (F)
Area averaged mean soil loss (F) (In /Hr) = 0.097
Minimum soil loss rate ((In /Hr)) = 0.049
(for .24 hour storm duration)
Soil low loss rate (decimal). = 0.180
----------------------------------------------------------- . - - - --
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
83.333
11.774
0.075
2
0.167
166.667
47.570
0.302
3
0.250
250.000
19:695
0.125
4
0.333
333.333
8.799
0.056
5
0.417
416.667
4.890
0.031
6
0.500
500..000
3.035
0.019
7
0'.583
583.333
1.833
0.012
8
0.667
666.667
1.007
0.006
9
0.750
750.000
0.910
0.006
10
0.833
833.333
0.486
07003
----------------------------------------------------------
Sum
= 100.000 Sum=
0.635
Uniz
Time
Pattern
Storm Rain
Loss rate(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max I' Low
(In /Hr)
1
0.08
0.50
0.180
0.097 - --
.0.08
2
0.17
0.60
0.216
0.097 - --
0.12
3
0.25
0.60
0.216
0.097 - --
0.12
4
0.33
0.60
0.216
0.097 - --
0.12
5
0.42
0.60
0.216
0.097 - --
0.12
6
0.50
0.70
0.252.
0.097 - --
0.15
7
0.58
0.70
0.252
0'.097 - --
0.15
0.67
0.70
0.252
0.097 - --
0.15
.8
9
0.75
0.70
0.252
0.097 - --
0.15
10
0.83
0.70
0.252
0.097 - --
0.15
11
0.92
0.70
0.252
0.097 - --
0.15
12
1.00
0.80
0.288
0.097 - --
0.19
13
1.08
0.80
0.288
0 ".097 - --
0.19
14
1.17
0.80
.0.288.
0.097 - - -.
0.19
15
1.25
0.80
0.288
0.097 - --
0.19
16
17
i8
19
20
21
22
23
24
25
----- 2
1.33 0.80
1.42 0.80
1.50 0.80
1.58 0.80
1.67 0.80
1.75 0.80
1.83 0.80
1.92 0.80
2.00 0.90
2.08 0.80
0.288
0.288
0.288
0.28B
0.288
0.288
0.288
0.288
0.324
0.288
0.097 - --
0.097 - --
0.097 - --
0.097 - --
0.097 - --
0.097 - --
0.097 - - -.
0.097 - --
0.097 - --
0.097 - --
097 - --
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.19
0.23
0.19
0.23
27
2.25
0.90
0.324
0.097 - --
0.23.
28
2..33
0.90
0.324
0.097 - --
0.23
29
2.42
0.90
0.324
0..097 - --
0.23
30
2.50
0.90
0.324
0., 097 - --
0.23
31
2.58
0.90
0.324•
0.097 - --
0.23
32
`2.67
0.90
0.324
0.097 - --
0.23
33
2.75
1.00
0.360.
0.097 - --
0.26
34
2.83
1.00
0.360
0.097 - --
0.26
35
2.92
1.00
0.360
0.097 - --
0.26
36
3.00
1.00
0.360.
0.097 - --
0.2'6
37
3.08
1..00
0.360
0.097 - --
0.26
38
3.17
1.10
0.396
0.097 - --
0.30
39
3.25
1.10
0.396
0.097 - --
0.30
40
3.33
1.10
0.396
0.097 - --
0.30
41
3.42
1.20
0.432
0.097 - --
0.33
42
3.50
1.30
0.468
0.097 - --
0.37
43
3.58
1.40
0.504
0.097 - --
0.41'
44
3.67
1.40
0.504
0.097 - --
0.41
j 45
3.75
1.50
0.540
0.097 ---
0.44
46
3.83
1.50
0.540
0.097 - --
0.44
47
3.92
1.60
0.576
0.097 - --
0.48
48
4.00
1.60
0.576
0.097 - --
49
4.08
1.70
0.612
0.097 - --
0.51
50
4.17
1.80
0.648
0.097 - --
0.55
51
4.25
1.90
0.684
0.097 - --
0.59
52
4.33
2.00
0.720
0.097 - --
0.62
53
4.42
2.10
0.756
0.097 - --
0.66
54
4.5.0
2.10
.0.756
0.097 - --
0.66'
55
4.58
2.20
0.792
0.097 - --
0.69
56
4.67
2.30
0.828
0.097 - --
0.73
57
4.75
2.40
0.864
0.097 - --
0.77'
58
4.83
2.40
0.864
0.097 - --
0.77
59
4.92
2.50
0.900
0.097 - --
0.80
60
5.00
2.60
0.936
0.097 - --
0.84
61
5.08
3.10
1.116
0.097 - --
1.02
62
5.17
3.60
1.296
0.097 - --
1.20
•63
5.25
3.90
1.404
0,097 - --
1.31
64
5.33
4.20
.1.512
0.097 - --
1.41
65
5..42
4.70
1.692
0.097 - --
1.59
66
5.50
5.60
2.016
0._097 - --
1.92
67
5.58
1.90
0.664
'0.097 - --
0.59
68
5.67
0.90
0.324
0.097 - --
0.23
69
5.75
0.60
0.216
0.097 - --
0.12
70
5..83
0.50
0.180
0.097 - --
0.08
71
5.92
0.30
0.108
0.097 - --
0.01
72
6.00
0.20
0.072
0.097 0.013
0.06
t
Sum = 100.0 Sum = 29.1
Flood volume = Effective rainfall 2.42(In)
times area 0.6(Ac.) /[(In) /(Ft.)] = 0.1(Ac.Ft)
Total-soil loss = 0.58(In)
Total soil loss = 0.030(Ac.Ft)
Total rainfall = 3.00(In)
Flood volume = 5545.0 Cubic Feet
Total soil loss = 1315.7 Cubic Feet
-------------------------------------------------------
Peak flow rate of this hydrograph = 0.990(CFS)
+ + + ++ + + + + + + + + + + + + + + + ++ + ++ + + + + ++ + + + + + + + ++ + + + ++ + + + ++ + + + + ++ + ++ + + + + + + + ++
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) 0 2.5 5.0 7.5 10.0
-------------------------------------=--------------------
0+ 5 0.0000 0.01 Q I I I
0 +10 0.0003 0.03 Q I I I I
0 +15 0.0007 0.06 Q I I I I
0 +20 0.0011 0..06 Q'
0 +25 0.0016 0.07 Q I I I I
0 +30 0.0021 0.07 Q I I I
0 +35 0.0027 0.09 Q I I I I
'0 +40 0.0033 0.09 QV I I I I
0 -45 0.0040 0.10 QV I I I I
0 +50 0.0046 0.10 QV I I 1 I
0 +55 0.0053 0.10 QV I I I I
1+ 0 0.0060 0.10 QV I I I I
1+ 5 0.0068 0.11 Q V I I I
1 +10 0.0076 0.12 Q V I I I I
1 +15 0.0084 0.12 Q V I I I I
1 +20 .0.0092 0.12 Q V I I I I
1 +25 0.0100. 0.12 Q V I I I I
1 +30 0.0109 0.12 Q V I I I
1 +35 0.0117 0.12 Q V I I I I
1 +40 0.0125 0.12 Q V I I I I
1 +45 0.0134, 0.12 Q V I I I I
1 +50 0.0142 0.12 Q V I I I I
.1 +55 0.0151 0.12 Q V I I I I
2+ 0 0.0159 0.12 Q V I I I I
2+ 5 0.0168 0.13 Q V I I I I
2 +10 0.0177 0.13 Q V I I I I
2 +15 0.0186 0.14 Q V I I I I
2 +20 0.0196 0.14 Q V I
2 +25 0.0206 0.14. Q V I I I I
2 +30 0.0216 0.14 Q V I I
2 +35 0.0226 0.14 Q V I I I I
2 +40 0.0236 0.14 Q V I I I I
2 +45 0.0246 0.15 Q V I I I I
2 +50
! 1
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 11/07/07 File: t33848u2hyd3100.out
++++++++++'+++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------------------------------------ - - - - --
Rverside_County_S_ynthat.a C 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
MAMAN TENTATIVE TRACT MAP 33848
•RETENTION VOLUME CALCULATIONS
100 -yr onsite streets
0505 -023C AUG. 6, 2007
--------------------------------------------------------I------------
Drainage Area = 0.63(Ac..) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 .Min.
250 of lag time = 1.50 Min.
.4.0% of lag time = 2.40 Min.
Unit time 5.00 Min.
Duration of storm = 3 Hour(.$)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Area (Ac.)[13 Rainfall (In) [21 Weighting[1 *2]
0.63 0.70 0.44
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1 *2]
0.63 2.50 1.58
STORM EVENT (YEAR) = 100.0,0
Area Averaged 2 -Year Rainfall 0.700(In)
Area Averaged 100 -Year Rainfall = 2.500(In)
Point rain (.area averaged) 2.500(In)
Areal adjustment' factor = 100.00 %
Adjusted average point rain = 2.500(In)
Sub -Area Data:
Area(Ac.) Runoff Index Impervious %
0.630 56.00 0.900
Total Area Entered = 0.63(Ac.).
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr)
5:6...0- 5.6 ... 0 0_5110 -, 0.097 1.000 0.097
Sum (F) = 0.097
Area averaged mean soil loss (F) (In /Hr) = 0.097
PIinimum soil loss rate ((In /Hr)) = 0.049 ,
;for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
-------------------------------- --------------------------------------
. 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
83.333
11.774
0.075
2
0.167
166.667
47.570
0.302.
3
0.250
250.000
19.695
0.125
4
0.333
333.333
.8.799
0.056
.5
0.417
416.667
4.890
0.031
6
0.500
500.000
3.035
0.019
7
0.583
583.333
1.833
0.012
8
0.667
666.667
1.007
0.006.
9
0.750
750.000
0.910
0.006
10
0.833
833.333
.0.486
0.003
----------------------=------------------------------------------------
Sum
= 100.000. Sum--
0.635
Unit
Time
Pattern
Storm Rain
Loss rate'(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max I Low'
(In /Hr)
1
0.08
1.30
0.390
0.097 - --
0.29
2
0.17
1.30
0.39'0
0.097 - --
0.29
3
0.25
1.10
0.330
0.097 - --
0.23
4
0.33
1.50
0.450
0.097 - --
0.35
5
0.42
1.50
0.450
0.097 - --
0.35
6
0.50
1.80
0.540
0.097 - --
0.44
7
0.58
1.50
0.450
0.097 - --
0.35
8
0.67
•1.80..
0.540
0.097 - --
0.44 ,
9
0.75
1.80
0.540•
0.097 - --
0.44
.10
0.83
1.50
0.450
0.097 - --
0.35
11
0.92
1.60
0.480
0.097 - --
0.38
12
1.00
1.80
0.540.
0.097, - --
0:44
13
1.08
2.20
0.660
0.097.'. - --
0.56
14 •
1..17
2.20
0:660
0.097 - --
0.56
15
1.25
2.20
0.660
0.097 - --
0.56
F1
! 16
1.33
2.00
0.600
0.097 - --
0.50
17
1.42
2.60
0.780
0.097 - --
0.68
18
1.50
2.70
0.810
0.097 - --
0.71
19
1.58
2.40
0.720
0.097 - --
0.62;
20
1.67
2.70
0.810
0.097 - --
0.71
21
1.75
3.30
0.990
0.097 - --
0.89
22
1.83
3.10
0.930
0.097 - --
0.83
23
1.92
2.90
0.870
0.097 - --
0.77
24
2.00
3.00
0.900
0.097 ---
0.80
25
2.08
3.10
0.930
0.097 - --
0.83
26._._..2.._1_7
d_.2.0 x_.2.6.0
0.097 - --
1.16
27
2.25
5.00
1.500
0.097 - --
1.40
28
2.33
3.50
1.050
0.097 - --
0.95
29
2.42
6.80
2.040
0.097 - --
.1.94
30
'2.50
7.30
2.190
0.097 - --
2.09
31
2.58
8.20
2.460
0.097 - - -.
2.36
32
2.67
5.90
1.770
0..097 - --
1.67
33•
2:75
.2.00
0.600
0.097. - --
0.50
34
2.83
1.80
0.540
0.097 - --
0.44
35
2.92
-1.80
0.540
0.097 - --
0.44
36
3.00
0.60
0.180
0.097 - --
0.08
Sum =
100.0
Sum =
26.5
Flood
volume = Effective rainfall
2.21(In)
times
area
0.6(Ac.) /[(In)
/(Ft.)]:= 0.1(Ac.Ft)
Total
soil loss
= 0.29(In)
Total
soil loss
= 0.015(Ac.Ft)
Total
rainfall
= 2.50(In)
Flood
volume =
5051.4 Cubic Feet
Total
soil loss
665.8
Cubic Feet
----------------------------------=---------------------------------
Peak
flow rate
of'this hydrograph = 1.292(CFS)
--------------------------------------------------------------------
+++++++++++++++++++++++++++++++++++++
+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
3 - H O U R
S T O R M
R u n o 'f f
H y a r o g'r a p h
-------------------------
-------------------------------------------
Hydrograph in 5
Minute intervals ((CFS))
Time(h +m) Volume.AC.Ft Q(CFS) 0
0+ 5
0.0002
0.02
Q
0 +10
0.0009
0.11
Q
0 +15
0.0019
0.14
Q
0 +20
0.0029
0.15
QV
0 +25
0.0042
0.19
QV
0 +30
0.0057
0.21
QV
0 +35
0.0073
0.24
Q V
0. +40
0.0090
0.24
Q V
0 +45
0.'0107
0.26
1 Q' V
0 +50
0.0126
0.26
IQ V
0 +55
0.0142
0.24
Q V
1+.0
0.0160
0.25
Q V
-------------------------------
2.5 5.0 7.5 10.0
----------------------- - - - - --
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 11/07/07 File: t33848u2hyd1100.out
+++++++++++++++++++±++++++++++'+++++++++++ + +4..... + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------------------------------------ - - - - --
__... -._R vefr_si.de_County S_ynth,et.ie U it 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
MAMAN TENTATIVE TRACT MAP'•33848
RETENTION VOLUME CALCULATIONS
100 -yr onsite streets
0505 -023C AUG. 6, 2007_
--------------------------------------------------------------------
Drainage Area = 0.63(Ac.) = 0.001 Sq. Mi.
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time.= 6.00 Min.
25% of lag time = 1.50 Min.
40% of lag time = 2.40 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]
0.63 0.50
100 YEAR Area rainfall data:
Area (Ac.) [1] Rainfall (In) [2]
0.63 1.90
Weighting[1 *2]
0.32
Weighting[1 *2]
1.20
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) = 1.900(In)
Areal adjustment factor.= 100.00 %
Adjusted average point rain = 1.900(In)
Sub -Area Data:
Area(Ac.) Runoff Index Impervious %
0.630 56.00 0.900
.Total Area Entered- 0.63(Ac.)
RI I RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.) (In /Hr)
0.900 0:097 1.000 0.097
Sum (F) = 0.097
Area averaged mean soil loss (F) (In /Hr) = 0.097
Minimum soil loss rate ((In /Hr)) = 0.049
(for 24 hour storm duration)
Soil low loss rate (decimal) = 0.180
Slope of intensity- duration curve for a 1 hour storm = 0.5800
------------------------------------------------------ - - - - --
U n i
t H y d r o g r
a p h
DESERT S -Curve
I -------------------------
------------------------------------------
Unit.Hydrograph
Data
---------------------------------------------------------------------
Unit time period
Time % of lag
Distribution Unit
Hydrograph
(hrs)
Graph %
(CFS)
---------------------------------------------------------------------
1
0.083
83.333
11.774
0.075
2
0.167
166.667
47.570
0.302
3
0.250
250.000
19.'695
0.125
4
0.333
333.333
8.799
0.056
5
0.417
416.667
4.890
0.031
6
0.500
500.000
3.035
0.019
7
0.583
583.333
1.833
0.012
8
0.667
666.667
1.007
0., 006
9
0.750
750.000
0.910
0.006
10
0.833
833.333
0.486
0.003
-----------------------------------------------------------------------
Sum
= 100.000. Sum=
0.635
Un_t Time
Pattern
Storm Rain
Loss rate(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max Low
(In /Hr)
1
0.08
3.60
0.821
0.097 - --
0.72
2
0.17
4.20
,0.958
0.097 - --
0.86
3
0.25
4.40
1.003
0.097. - --
0.91
4
0.33
4.60
1.049
U n i t H y d r g r a p h A n a 1 y s i.s
Copyright (c) CIVILCADD /CIVILDESIGN, 1989)- 1999, Version 6.0
Study date 11/07/07 File: t33848u2hyd24100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
---------------- ------------- -------------- .---- - - - - --
—Pi-ve - s.idb..- 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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr lots
0505 -023C AUG. 6, 2007
----------------------------------------------------------
Drainage Area = 3.55(Ac.) = 0.006 Sq. Mi.
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 Min.
25% of lag.time = 1.50 Min.
40% of lag time = 2.40 Min.
Unit time = 5.00 Min.
Duration of storm = 24 Hour(s)
User Entered Base Flow = 0.00(CFS)
2 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1 *2]
3.55 1.20 4.26
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1 *2]
3.55 3.75 13.31
STORM EVENT (YEAR) = 100.00
Area Averaged 2 -Year Rainfall = 1.200(In)
Area Averaged 100 -Year Rainfall = 3.750'(In)
Point rain (area averaged) = 3.750(In)
Areal adjustment factor = 100.00 %
Adjusted average point rain = 3.750(In)
Sub -Area
Data:
Area(Ac.)
Runoff Index
Impervious %
3.550
56.00
0.500
Total Area Entered = 3.55(Ac.)
RI RI
Infil.
Rate Impervious
Adj. Infil.
Rate Area% F
AMC2 AMC -2 (In /Hr) (_Dec.%)
(In /Hr)
(Dec.) (In /Hr)
,� _.. 5.6.._0- 5.6_._0 -0 -51.1 0.500
0.281
1;000 0 .2 81
Sum
(F) = 0.281
Area averaged mean soil loss (F)
(In /Hr) 0.281
Minimum
soil loss
rate ((In /Hr))
= '0.140
(for 24
hour storm duration)
Soil low
---------------------------------------------------------------------
loss rate
(decimal) =
0'.500
U n i
t H y d r o g
r a p h
DESERT S -Curve
------
----------
-----------------------------------------------------
Unit
Hydrograph.Data
----------- -----------------------------------------------------------
time period
Time % of lag
. Distribution Unit
Hydrograph
(hrs )
Graph %
( CFS )
-----------
.1
7 ---------------------------------------------------------
0.083
83.333
11.774
0.421
2
0.167
166.667
47.570
1.702
3
0.250
250.0.00
19.695
0.705
4
0.333
333.333
8.799
0.315
5
0.417
416.667
.4.890
0.175
6
0.500
500.000
3.035
0.109
7
0.583
58.333
1.833
0.066
8
0.667
666.667
1.007
0.036
.9
0.750
750.000
0.910
0.033
10
0.833
833.333.
0:486
0.017
-----------------------------------------------------------------------
Sum = 100.000
Sum=
3.576
Unit Time
Pattern
Storm Rain
Loss rate(In. /Hr)
Effective
(Hr.)
Percent
(In /Hr)
Max I
Low
(In /Hr)
I
0.08•
0.07
0.030
0.498
0.015
0.01
2
0.17
0.07
0..030
0.496
0.015
0.01
3
•0.25
0.07
0.030
0.494
0.015
0.01
4
0.33
0.10
0.045
0.492
0.022
0.02
5
0.42
0.10
0.045
0.490
0.022
0..02
6
0.50,
0.16
0.045
0.488
0.022
0.02
7
0.58
0.10
0.045
0.487
0.022
0.02
B.
0.67
0.10
0.045
0.485
0.022
0.02
9
0.75
0.10.
0.045
0.483
0.022
0.02
10
0.83
0.13
0.060
0.481
0.030
0.03
11
0.92
0.13
0.060
0.479
0.030
0.03
12
1.00
0.13
0.060
0.477
0.030
0.03
13
1.08
0.10
0.045
0.475
0.022
0.02
14
1.17
0.10
0.045
0.473
0.022
0.02
15
1:25
0.10
0.045
0 71 .4
0.02.2
0.02
16
1.33
0.10
0.045
0.470
0.022
0.02
17
1.42
0.10
0.045
0.468
0.022
0.02
18
1.50
0.10
0.045
0.466
0.022
0.02
19
1.56
0.10
0.045
0.464
0.022
0.02
20
1.67
0.10
0.045
0.462
0.022
0.02
21
1.75
0.10
0.045
0.460
0.022
0.02
22
1.83
0.13.
0.06.0
0.458
0.030
0.03
23
1.92
0.13
0.060
0.457
0.030
0.03
24
2.00
0.13
0.060
0.455
.0.030
0.03
25
2.08
0.13
0.060
0.453
0.030
0.03
• 2- 6-
2 ... 1.- `0_._13 0_;0_6.0
-__
0.451
0.030
0.03
27
2.25
0.13
0.060
0.449
0.030,
0.03
28
2.33
0.13
0.060
0.447
0.030
0.03
29
2.42
0.13
0.060
0.446
0.030
0.03
30
2.50
0.13
0.060
0..444
0.030
0.03
31
2.58
0.17
0.075
0.442
0..037.
0.04
32
2.6'7
0.17
0.075
0.440
0.037
.0.04
33
2.75
0.17
0.075
0.438
0.037
0.04.
34
2.83
0.17
0.075
0.436
0.037
0.04
35
2.92
0.17
0.075
0:435
0..037
0.04
36
3.00
0.17
0.075
0.433
0.037
0.04
37
3.08
0.17
0.075
0.431
0.037
0.04
36
3.17
0.17
0.075
0.429
0.037
0.04
39
3.25
0.17
0.075
0.427
0.03.7
0.04
40
3.33
.0.17
0.075
0.426
0.037
0.04
41
3.42
0.17
0.075
0.424
0.037'
0.04
42
3.50
0.17
0.075
0.422
0.037
0.04
43
3.58
0.17
0.075
0.420
.0.037
0.04
44
3.67
0.17
0.075
0.419
0.037
0.04
45
3.75
0.17'
0.075
0.417
0.037
0.04
46
3.83
0.20
0.090
.0.415
0.045
0.04
47
3.92
0.20
0.090
0.413
0.045
0.04
48
4.00
0.20
0.090_;.
0.412
0.'045
0.04
49
4.08
0.20
0.090
0.410
0.045
0.04
50
4.17
0.20
0.090.
0.408
0.045
0.04
51
4.25
0.20
0.090
0.406
0,045
0.04
52
4.33
0.23
0..105
0.405
0.052
0.05
53
4.42
0.23
0.105
0.403
0.052
0.05
54
4.50
0.23
0..105
0.401
0.052
0.05
55
4.58
0.23
0.105
0.399
0.052
0.05
56
4.67
0.23
0.105
0.398
0.052
0.05
57
4.75
0.23
0.105
0.396
0.052
0.05
58
4.83
0.27
0:120
0.394 _
0.060
0.06
59
4.92
0.27
0.120
0.393
0.060
0.06
60
5.00
0.27
0.120
0.391
0.060
0.06
61
5.08
0.20
0.090
0.389
0.045
0.04
62
5.17
0.20
0.090
0.388
0.045
0.04
63
5.25
0.'20
0-.090
0.386
0.045
0.04
64
5.33
0.23
0.105
0.384
0.052
0.05
65
5.42
0.23'
0.105
0.382
0.052
0.05
66
5.50
0..23
0.105
0.381
0.052
0:05
67
5.58
0.27
0.120
0.379
0.060
0.06
68
5.67
0.27
0.120
0.377
0.060
0.06
69
5•.75
0.27
0.120
0.376
0.060
0.06
70
5.83
'0.27
0.120
0.374
0.060
0.06
71
5.92
0.27.
0.120
0.372
0.060
0.06
72
6.00
0.27
0.120
0.371'
0.060
0.06
73
6.08
0.30
0.135
0.369
0.067
0.07
74
6.17
0.30
0.135
0.368
0.067
0.07
75
6.25
0.30
0.135
0.366
0.067
0.07
76
6.33
0.30
0.135
0.364
0.067
0.07
77
6.42'
0.30
0.135
0.363
0.067
0.07
7B
6.50
0.30
0.135
.0.361
0.067
0.07
79
6.58
0.33
0.150
0.359
0.075
0.07
80
6.67
0.33
0.150
0.358
0.075
0.07 .
81
6.75
0.33
0.150
0.356
0.075_
0.07
82
6.83
0.33
0.150
0.355
0.075
0.07
- --8-3-6..-9,2--0-.3.3
,.15.0 n ,x3_5_3
0.075
0.07
84
7.00
0.33
0.150
0.351
0.075
0.07
85
7.08
0.33
0.150
0.350
0.075
.0.07
86
7.17
0.33
0.150
0.348
0.075
0.07
87
7.25
0.33
0.150
0.347
0.075
0.07
88
7.33
0.37
0.165
0.345
0.08.2
0.08,
89
7.42
0.37
0.165
0.343
0.082
0.08
90
7.50
0.37
0.165
0.342
0'.082
0.08
91
7.5'8
0.40
0.180
0.340
0.090
0.09
92
7.67
0.40'
0.180
0.339
0.090
0..09
93'
7.75
0.40
0.180
0.337
0.090
0.09
94
7.83
0.43
0.195
0.336
0.097
0.10
95
7.92
0.43
0.195
0.334
0.097
0.10
96.
8.00.
0.43
0.195
0.332
0.097
0.10
97
8.08
0.50
0.225
0.331
0.112
0.11
98
8.17
0.50
0.225
0.329
0.112
0.11
99
8.25
.0.50
0.225
0.328
0.112
0.11
100
8.33
0.50
0.225
0.326
0.112
0.11
101
6.42
0.50
0.225
0.325
0.112
0.11
102
8.50
0.50
0.225
0.323
0.112
0.11
103
8.58
0.53'
0.240
0.322
0.120
0.12
104
8.67
0.53
0.240
0.320
0.120
0.12
105
8.75
.0.53
.0.240
0.319
0.120
0.12
106
8.83
0.57
0.:255
0.317
0.127
0.13.
107'
8.92
0.57
0.255
0.316
0.127
0.13
108
9.00
0.57
0.255
0.314
0.127
0.13
109
9.08
0.63
0.285
0.313
0.142
0.14
110
9.17
0.63
0.285
0.311
0.142
0.14
111
9.25
0.63
0.285
0.310.
0.1.42
0.14
112
9.33
0.67
0.300
0.308
0.150
0.15
113
9.42
0.67
0.300
0.307
0.150
0.15
114
9.50
0.67
0.300
0.305
0.150
0.15
115
9.58
0.70
.0.315
0.304
- --
0.01
11,6
9.67
0.70
0.315
0.302
- - -.
0.01
117
9.75
0.70'
0.315
0.301
- --
0..01
118
9.83
0.73
0.330
0.300
- --
0.03
119
9.92
0.73
0.330
0.298
- --
0.03
120
10.0'0
0.73
0.330
0.297
- --
0.03
121
10.08
0.50
0.225
0.295
0.112
0.11
122
10.17
0.50
0.225
0.294
0.112
0.11
123
10.25
0.50
0.225
0.292
0:112
0.11
124
10:33
0.50
0.225
0.291
0.112
0.11
125
10.42
0.50
0.225
0.290
0.112
0.11
126
10.50
0.50
0.225
0.288
0.112
0.1.1
127
10.58
0.67
•0.300,
0.287
- --
0.01
128
10.67
0.67
0.300
0.285
- --
0.01
129
10.75
0.67
0.300
0.284
- --
0.02
130
10.83
0.67
0.300
0.283 - --
0.02 .
131
10.92
0.67
0.300
0.281 - --
0.02
132
11.00
0.67
0.300
0.280 - --
0.02
133
11.08
0.63
0.285
0.278 - --
0.01
134
11.17
0.63
0.285
0.277 - --
0.01
135
11.25
0.63
0.285
0.276 - --
0.01
136
11.33
0.63
0.285
0.274 - --
0.01
137
11.42
0.63
0.285
0.273 - --
0.01
138
_1.50
0.63
0.285
0.272 - --
0.01
139
11.58
0.57
0.255
0.270 0.127
0.13
190 _
11.67
0.57
0.255
0.269 0.127
0.13
141
11.75
0.57
0:255
0.268 0.127
0:13
142
11.83
0.60
0.270
,0.266 - --
0.00
143
11.92
0.60
0.270
0.265 - --
0.01
144
12.00
0.60
0.270.
0.264 - --
0.01
145
12.08
0.83
0.375
0.262 - --
0.11
146
12.17
0.83
0.375
0.261 - --
0.11
147
12.25
0.83
0.375
0.260 - --
0.12
148
12.33
0.87
0.390
0.258 - --
0.13
149
12.42
0.87
.0.390
0.257 - --
0.13
150
12.50
0.87
0.390
0.256 - --
0.13
151
12.58
0.93
0.420
0.254 - - -.
0.17
152
12.67
0.93
0.420
0.253 - --
0.17
153
12.75
0.93
0.420'
0.252 - --
0.17
154
12.83
0.97
0.435
0.251 - --
0.18
155
12.92
0.97
0.435
0.249 - --
0.19.
156
13.00
0.97
0.435
0.248 - --
0.19
157
13.08
1.13
0.'510
0.247 - --
0.'26
158
13.17
1.13
0.510
0.246 - --
0.26
159
13.25
1.13
0.510•
0.244 - --
0.27
160
13.33
1.13
0.510
0.243 - --
0.27 .
161
13.42
1.13
0.510
0.242 - --
0.27
162
13.50
1.13
0.510
0.241 - --
0.27
163
13.58
0.77
0.345
0.239 - --
0.11
164
13..67
0.77
0.345
0.238 - --
0.11
165
13.75
0.77
0.345
.0.237 - --
0.11
166
13.83
0.77
0.345
0.236 - --
0.11
167
13.92
0.77
0.345
0.235 - --
0.11
168
14.00
0.77
0.345
0.233 - --
0.11
169
14.08
0.90
0.405.
0.232 - --
0.17
170
14.17
0.90
0.405
0.231 - --
0.17
171
14.25
0.90
0.405
0.230_ - --
0.18
172
14.33
0.87
0.390
0.229 - --
0.16
173
14.42
0.87
0.390
0.227 - --
0.16
174
14.50
0.87
0.390
0.226 - --
0.16
175
14.58
0.87
0.390,
0.225 - --
0.16
176
14.67
0.87
0..390
0.224 - --
0:17
177
14.75
0.87
0.390
0.223 - --
0.17
178
14.83
0.83
0.3.75
0.222 - --
0.15
179
14.92
0.83
0.375
0.221 - --
0.15
180
15.00•
0.83
0.375
0.219 - --
0.16
15.08
0.80
0.360
0.218 - --
0.14
.181
182
15.17
0.80
0.360
0.217 - --
0.14
183
15.25
0.80
0.360
0.216 ---
0.14
184
15.33
0.77
0.345
0.215 - --
0.13
185
15.42
...0.77
0.345
0.214 - --
0.13
186
15.50
0.77
0.345
0.213 - --
0.13
187 15.58
0.63
0.285
0.212
- --
0.07
188 15.67
0:63
0.285
0.211
- --
0.07
189 15•.75
0.63
0.285
0.210
- --
0.08
190
15.83
0.63
0.285
0.208
- --
0.08
191
15.92
0.63
0.285
0.207
- --
0.08
192
16.00
0.63
0.285
0.206
- --
0.08
193
0.13
0.060
0.205
0.030
0.03
.16.08
194
16.17
0.13
0.060
0.204
0.030
0.03
195
16.25
0.13
0.060
0.20.3
0.030
0.03
196
16.33
0.13
0.060
0.202
0.030
0.03
1,97
1642
0.13
0.060
0.201
0.030
0.03
198
16.50
0.13
0.060
0.200
0 -0'3'0
'0 °03
199
16.58
0.10
.0.045
0.199
0.022
0.02
200
16.67
0.10
0.045
0.198
0.022
0.02
201
16.75
0.10
0.045
0.197
0.022
0:02
202.
16.83
0.10
0.045
0:196
0.022
0.02
203
16.92
0.10.
0.045
0.195
0.022
0.02
204
17.00
0.10
0.045
.0.194
0.022
0.02
205
17.08
0.17
0.075
0.193
0.037
0.04
206
17.17
0.17
0.075
0.192
0.037
0.04
207
17.25
0.17
0.075
0.191
0.037
0.04
208
17.33
0.17
0.075
0.190
0.037
0.04
209
17.42
0.17
0.075
0.189
0.037
0.04
210
17.50
0.17.
0.'075.
0.188
0.037
0.04
211
17'.58
0.17
0.075
0.187
0.037
0.04
212
17.67
0.17
0.075
0.186
-0.037
0.04
213
17.75
0.17
0.075
0.185
0.037
0.04
214
17.83
0.13
0.060
0.185
0.030
0.03
215
17.92
0.13
0.060
0.184
0.030
0.03
216
18.00
0.13
0.060
0.183
0.030
0.03
217
18.08
0.•13
0.060
0.182
0.030
0.03
218
18.17
0.13 ..
0.060
0.181
0.030
0.03_
219
18.25
0.13
0.060
0.180
0.030
0.03
220
18.33
0.13
0.060
0.179
0.030
0.03
221
18.42
0.13
0.060
0.178
0.030
0.03
222
18.50
0.13
0.060
0.177.
0.030
0.03
223
18.58
0.10
.0.045
0.177
0.022
0.02
224
18.67
0.10
0.045
0.176
0.022
0.02 .
225
•18.75
0.10
0.045
0.175
0.022
0.02
226
18.83
0.07
0.030
0.174
0.015
0.01
227
18.92
0.07
0.030
0.173
0.015
0.01
228
19.00
0.07
0.030
0.172
0.015
.0.01
229
19.08
0.10
0.045
0.172
0.022
0.02
230.
19.17
0.10
0.045
0.171
0.022
0.02
231
19.25
0.10
0.045
0.170
0.022
0.02
232
19.33
0.13
0.060
0.169
0.030
0.03
233
19.42
0.13
0.060
0.168
0.030
0.03
234
19.50
0.13
0.060
0.168
0.030
0.03
235
19.58
0.10
0.045
0.167
0.022
O,. 02
236
19.67
0.10
0.045
0.166
0.022
0.02
237
19.75
0.10
0.045
0.165
0.022
0.02
238
19.83
0.07
0.030
0:165
0.015
0.01
239
19.92
0.07
0.030
0.164
0.015
0.01
240
20.00
0.07
0.030
0.163
0.015
0.01
241
20.08
0.10
0.045
0:162.
0.022
0.02
242
20.17
0.10
0.045
0.162
0.022
0.02.
243
20.25
0.10
0.045
0.161
.0:022
0.02
244
20.33
0.10
0.045
.0.160
0.022
0.02
245
20.42
0.10
0.045
0.160
0.022
0.02
246
20.50
0.10
0.045
0.159
0.022
0.02
247
20.58
0.10
0.045
0.158
0.022
0.02
248
20.67
0.10
0.045
0.158
0.022
0.02
249
20.75
0.10
0.045
0.157
0.022
0.02
250
20.83
0.07
0.030
0.156
0.015
0.01
251
20.92
0.07
0.030
0.156
0.015
0:01
252
21.00
0.07
0.030
0.155
0.015
0.01
253
2.1.08
0.10
0.045
0.154
0.022
0.02
254,,.21-..17
_0.._1.0 x.,,0..0.45 r.x_._.
,0154
0_.022
0.02
255
21.25
0.10
0.045
0.153
0.022
0.02
256
21.33
0.07
0.030
0.153
0.015
0.01
257
21.42
0.07
0.030
0.152
0.015
0.01
258
21.50
0.07
0.030
0.152
0.015
0.01
259
21.58
0.10
0.045
0.151
0.022
0.02
260
21.67
0.10
0.045
0.150
0.022
0.02
261
21.75
0.10
0.045
0.150
0.022
0.02
262
21.83
0.07
0.030
0.149
0.015
0.,01
263
21.92
0.07
0.030
0.149
0.015
0.01
264
22.00
0.07
0.030
0.148
0.015
0.01
265
22.08
0.10
0.045
0.148
0.022•
0.02
266
22.17
0.10
0.045
0.147
0.022
0.02 .
267
22.25
0.10
0.045
0.147
0.022
0.02
268
22.33
0.07
0.030
0.146
0.015
0.01
269
.22.42
0.07
0.030
0.146
0.015
0.01
270
2'2.50
0.07
0.030
.0.146
0.015
0.01
271
22.58
0.07
0.030
0.145
0.015
0.01
272
22.67
0.07
0.030
0'.145
0.015
0.01
273
22.75
0.07
0.030
0.144
0.015
0.01
274
22.83.
0.07
0.030
0.144
0.015
0.01
275
22.92
0:07
0.030
0.144
0.015
0.01
276
23.00
0.07
0.030
0.143
0.015
0.01
277
23.08
0.07
0.030
0.143
0.015
0.01
278
23.17
0.07
0.030
0.143
0.015
0.01
279
23.25
0.07
0.030
0.142
0.015
0.01
280
23.33
0.07
0.030
0.142
0.015
0.01
281
23.42
0.07
0.030
0.142
0.015
0.01
282
23.50
0., 07
0.030
0.141
0.015
0.01
283
23.58
0.07
0.030
0.141
0.015 _
0.01 .
284
23.67
0.07
0.030
0.141
0.015
0.01
285
23.75
0.07
0.030
0.141
0.015
0.01
286
23.83
0.07
0.030
0.141
0.015
0.01
287
23.92
0.07
0.030
0.141
0.015
0.01
288
24.00
0.07
0.030
0.140
0.015
0.01
Sum =
100.0
Sum =
17.7
Flood
volume = Effective rainfall 1.48(In)
times
area
3.5(Ac.) /[(In)
/(Ft.)] =
0.4(Ac.Ft)
Total
soil loss
2.27(In)
Total
soil loss
= 0.672(Ac.Ft)
Total
rainfall =
3.75(In)
Flood
volume =
19040.9 Cubic Feet
Total
soil'loss
= 29283.2
Cubic Feet
---------------------------------------------------------------------
Peak
flow rate
of this hydrograph =
0.945(CFS•)
+++++++++++++++±++++++++++++++±++++++ + + + ++
+ + + + + + + + + + + +
+ + + + + + + + + + + + ++
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))
--------------------------------------------------------------------
Time(h +m)
Volume Ac-Ft
Q(CFS)
0 2.5 5.0 7.5 10.0
-------------------------------------=---------------------------------
0+ 5
0.0000
0.01
Q I I I I
0 +10
0.0003
0.03:
Q I I I I
�_- �.�_ -•0 ..�-
0.0006
.�__.0 Fn0 .0_09 ..-.�
0.04
-0.05 .._
Q -.���
+20
Q...._
04-25
0.0014
0.07
Q
0 +30
0.0019
0.07
Q I I I I
0 +35
0.0024
0.08
Q I I I I
0 +40
0.0029
0.08
Q I I I I
0 +45
0.0035
0.08
Q I I I I
0 +50
0.0040
0.08
Q I I I I
0 +55
0.0047
0.10
Q
1+ 0
0.0054
0.10
Q I I I I
.1+ 5
0.0061
0.10
Q
1 +10
0.0067
0.09
Q' I I I I
1 +15
0.0073
0.09
Q I I I I
1 +20
0.0079.
0.08
Q
1 +25
0.0084
.0.08
Q I I I I
1 +30
0.0090
0.08
Q I I I I
1 +35
0.0095
0.08
Q I I I I
1 +40
0.0101
0.08
Q I I I I
1 +45
0.0107
0.08
Q I I I I
1 +50.
0.0112
0.08
QV I I I I
1 +55
0.0119
0.10
QV I I I I
2+ 0
0.0126
0.10
QV I I I I
2+ 5
0.0133
0.10
QV I I I I
2 +10
0.0140
0.11
QV
2 +15
0.0148
0.11
QV I I I 1
2+20
0.0155.
0.11
QV I I I I
2 +25
0.0163
-0.•11
QV I I I I
2 +30
0.0170
0.11
QV
2 +35
0.0178
0.11
QV I I I I
2 +4'0
0.0186
0.12
QV I I I I
2 +45
0.0195
0.13
QV I I I I
2 +50
0.0204
0.13
QV I I I I
2 +55
0.0213
0.13
QV I I I I
3+ 0
0.0222
0.13
Q V I I I I
3+ 5
0.0231
0.13
Q V I I I I
3 +10
0.0241
0.13
Q V I I I I
3 +15
0.02.50
0.13
Q V I I I I
3 +20
0.0259
0:13
Q V I I I I
3 +25
0.0268
0.13
Q V I I I I
3 +30
0.0278
0.13
Q V
3 +35
0.0287
0.13
Q V I I I I
3 +40
0.0296
0.13
Q V I I I I
3 +45
0.0305'
0.13
Q V
3 +50
0.0315
0.14
Q V I I I I
3 +55
0.0325
0.i5
Q V I I I I
4+ 0
0.0336
0.16
Q V I I I I
4+ 5
0.0347
0.16
Q V. I I I I
4 +10
0:0358
0.16 Q V
I I I I
4 +15
0.0369
0.16 Q. V
I I I I
4 +20
0.0380
0.16 Q V
4 +25
0.0392
0.18 ,Q V
I I I I
4 +30
0.0405
0.18 Q V
I I I I
4 +35
0.0417
0.18 Q V
I I• I I
4 +40
0.0430
0.19 -Q V
4 +45
0.0443
0.19 Q V
I I I I
4 +50
0.0956
0.19 Q V
I I I I
4 +55
0.0470
0.20 Q V
I I I I
`0 04 . 85
0.21 4 V
a..Q,_.�v�._
I
5+ 5
0.0499
0.21
5 +10
0.0511
0.18. Q V
I I I I
5 +15
0.0523
0.17 Q. V
I I I I
5 +20
0.0535
0.17 Q V
I I I I
5 +25
0.0547
0.18 Q
V I I I I
5 +30
0.0560
0.18 Q
V I I I I
5 +35
0.0573
0.19 Q
V I I I I
5 +40
0.0587
0.20 Q
V I I I I
5 +45
0.0601
0.21 Q
V I I I I
5 +50
0.0616
0.21, Q
V I I I I
5 +55
0.0630
0.21 Q
V I I I I
6+ 0
0.0645
0.21 Q
V I I I I
6+ 5
0.0660
0.22 Q
V I I I I
6 +10
0.0676
0.23 Q
V I I I I
6 +15
0.0692
0.24 Q
V I I I
6 +20
0.0708
0.24 Q
V
6 +25
0.0725
0.24 Q
V I I I I
6 +30
0.0742
0.24 Q
V I I I I
6 +35
0.0758
0.24 Q
V I I I I
6 +40
0.0776
0.26 IQ
V I I I I
6 +45
0.0794
0.26 IQ
V I I I I
6 +50
0.0812
0.27 IQ
V I I I I
6 -55
0.0831
0.27 I.Q.
V
7+ 0
0.0849
0.27 IQ
V I I I I
7+ 5
0.0868
0.27 IQ
V
7 +10
0.0886
0.21 IQ
V.I I I I
7 +15
0.0905
0.27 IQ
V I I I I
7 +20
0.0923
0.27 1.Q
V I I I I
7 +25
0.0943
0.28 IQ
V I I I I
7 +30
0.0963
0.29 IQ
V I I I I
7 +35
0'.0983
0.30 IQ
V I I I I
7 +40
0.1004
0.31 IQ
VI I I I
7 +45
0.1026
•0.32 IQ
VI. I I I
7 +50
0.1048
0.32. IQ
VI I t I
7 +55
0.1071
0.34 IQ
VI I I I
8+ 0
0.1095
0.34 IQ
V I I I
8+ 5
0.1119
0.35 IQ
V I I I
8 +10
0.1145
0.38 IQ
V I I I
8 +15
0.1172
0.39 IQ
V I I I
8 +20
0.1199
0.40 IQ
V I I I
6 +25
0.1227
0.40 IQ
IV 4 I I I
8 +30
0.1254'
0.40 IQ
IV 1 I I
8 +35
0.1282
0.40 IQ
IV I I I
8 +40
0.1311
0.42 IQ
IV I I I
8 +45
0.1340
-0.42 IQ
I V I I I
8 +50
0.1310
0.43 IQ
I V I I I
8 +55
0.1400.
0.44 IQ
I V
9+ 0
0.1431
'0.45 IQ
I V I
I I
9+ 5
0.1463
0.46 IQ
I V I
I I
9 +10
0.1496
0.49 IQ
I V I
I I
9 +15
0.1531
0.50 IQ
I V I
I I
9 +20
0.1565
0.51 I Q
I V I
I I
9 +25
0.1601
0.52 1 Q
I V I
I I
9 +30
0.1638
0.53 .I Q
I V I
I I
9 +35
0.1670
0.47 IQ
I V I
I I
9 +40
0.1687
0.24 Q
I V
9. 45
Ov 1697
15 4
0._ ..4�_�.._-
.�...�
9 +50
0.1705
0.11
9 +55
0.1713
.0.12 Q
I V
I I I
10+ 0
0.1721
0.12 Q
I V
I I I
10+ 5
0.1732
0.15 Q
I V
I I I
10 +10
0.1752
0.29 IQ
I V
I I I
10 +15
0.1775
0.34 IQ
I. V
10 +20
0.1801
0.37 IQ
I V
I I
10 +25
0.1827
0.38 IQ
I V
I I I
10 +30
0.1854
0.39 IQ
I V
I I I
10 +35
0.1878
0.35 IQ
I V
I I I
10 +40
0.1891
0.19 Q
I V
I I
10 +45
0.1900
0.12 Q
I V
I I I
10 +50
0.1906
0.10 Q
I V
I I I
10 +55
0.1912
0.09 Q
I V
I I I
11+ 0
0.1918
0.08 Q
I V
I I I
11+ 5
0.1923
0.07 Q
I V
I I I
11 +10
0.1926
0.05 Q
I V
I I I
11 +15
0.1928
0.04 Q
I V
I I I
11 +20
0.1931
0.04 Q
I V
I I I
11 +25
0.1933
0.04 Q
I V
11 +30
0.1936
0.04 Q
I V
11 +35
0.1943
0.09 Q
I V
I I I
11 +40
0.1963
0.29 IQ
I V
I I I
11 +45
'0.1988
0.37 IQ
I V
I I I
11 +50
0.2012
0.35. IQ
I V
I I I
11 +55
0.2024
0.16 Q
I V
12+ 0
0.2030
0.09 Q
I V
I I
12+ 5
0.2038
0.11 Q
I V
I I I
12 +10
0.2057
0.27 IQ
I V
I I I
12 +15
0.2080
0.34 IQ
I
VI I
12 +20
0.2106
0.38 IQ
I
VI I I
12 +25'
0.2136
0.42 IQ
I
VI I I.
12 +30
0.2166
0.45 IQ
I
VI I I
12 +35
0.2199
0.47 IQ
I
V I I
12 +40
0.2236
0.54 1
Q
I
V I I
12 +45
0.2275
0.57 1
Q
I
V- I I
12 +50
0.2316
0.59 1
Q
I
IV I I I
12 +55
0.2359
0.63 1
Q
I
IV I I
13+ 0
0.2403
0..64 1
Q
I
IV I I
134 5
0.2451
0.69• 1
Q
I
I V I I
13 +10
0.2507
0.82 1
Q
I
I V I I
13 +15
0.2568
0.88 1
Q
I.
I V I I
13 +20
0.2631
0.91 I
Q
I
I V i I
13 +25
0:2695
.0.93 1
Q
I
I V I I
13 +30
0.2760
0.94. 1
Q
I
I V I I
13 +35
0.2821
0.88 1
Q
I
I V I I'.
13 +40
0.2863
0.61
1 Q- I
I V I
I
13 +45
0.2898
0.50
1 Q I
I V I
I
13 +50
0.2929
0.46
IQ I
I V I
I
13 +55
0.2959
0.43
IQ I
I V I
I
14+ 0
0.2988
0.42
IQ
14+ 5
0.3018
0.44
IQ I
I V I
I
14 +10
0.3055
0.54
1 Q I
I V I
I
14 +15
0.3094
0.58
1 Q I
I V I
I
14 +20
0.3135
0.59
1 Q
14 +25
0.3175
0.58
1 Q I
I VI
I
1 4-+3;0-.-,-.-O-..3
2.1.5...
, ---0r.
14 +35
0.3255
0.58
I Q I
I � V i�'N�
14 +40
0.3296
0.59
1 Q I
I V
I
14 +4'5
0.3337
0.59
1 Q I
I V
14 +50
0.3377
0.59
1 Q I
I V
14 +55
0.3416
0.57
1 Q I
I IV
I
15+ 0
0.3455
0.56
1 Q I
I IV
I
15+ 5
0.3493
0.55
1 Q I
I IV
I
" 15 +10
0.3530
0.53
1 Q I
I I V
I
15 +15
0.3566
0.52
I Q I
I I V
I
15 +20.
0.3601.
0.51
1 Q I'
I I V
I
15 +25
0.3635
0.49
IQ
15 +30
0.3668
0.48
IQ I
I I V
I
15 +35
0.3699
0.45
IQ I
I I V
I
15 +40
0.3723
0.35
IQ I
I I
V
I
15 +45
0.3744
0.31
IQ I
I I'
V
I
15 +50
0.3765
0.29
IQ I
I I
V
I
15 +55
0.3785
0.29
IQ I
I I
V
I
16+ 0
0.3804
0.28
IQ I
I I
V
I
16+ 5
0.3822.
0.26
i1 I
I I
V
I
16 +10
0.3835
0.18
Q I
I I
V
I
16 +15
0.3844
0.14
Q I,
I I
V
I
16 +20
0.3853
0.13
Q I
I I.
V
I
16 +25
0.3862
0.12
Q' I
I. I
V
I
16 +30
0.3869
0'.11
Q I
I I
V
I
16 +35
0.3877
0.11
Q I
I I
V
16 +40
0.3883
0.09
Q I
I I
V
I
16 +45
0.3889
0.09
Q
16 +50
0.3895
0.08
Q I
I I
V
I
16 +55
0.3901
0.08
Q I
I I
V
I
17+ •0
0.3906
0.08
Q I
I I
V
I
17+ 5
0.3912
0.09
Q I
I I
V
I
17 +10
0.3920•
0:11
Q I
I I
V
I'
17 +15
0.3929
0.12
Q I
I .. I
V
I
11 +2'0
0.3937
0.13
Q I
I I
V I
17 +25
0.3946
0.13
Q I
I I
V I
17 +30
0.3956
0.13
Q I
I I
V I
17 +35
0.3965
0.1'3
Q I
d I
V I
17 +40
0.3974
0.13
Q I
I I
V I
17 +45
0.3983
0.13
Q I
I I
V. I
17 +50
0.3.992
0:13
Q I
I I
V I.
17 +55
0.4000
0.12
Q I
I I
V I
18+ 0
0.4008
0.11
Q I
I I
V I
18+ 5
0.4016
0.11
Q I
I I
V_ I
18 +10
0.4023
0.11
Q I
I I
V I
18 +15
0.4031
.0.11
Q I
I I
V I'
18 +20
0.4038
0.11
Q I
I I
V I
18 +25
0.4046
0.11 Q I.
I I v
I
18 +30
0.4053
0.11 Q I
I I v
l
18 +35
0.4060
0.10 Q I
I I v
I
18 +40
0:4066
0.09 Q I
I I V
I
18 +45
0.4072
0.09 Q I
I I v
l
18 +50
0.4078
0.08 Q I
I I V
I
18 +55
0.4083
0.07 Q I
I I v
I
19+ 0
0.4087
0.06 Q I
I I v.
I
19+ 5
0.4091
0.06 Q I
I I v
l
19 +10
0.4096
0.07 Q I
I I V
19 +20
0.4107
0.08 Q'
19 +25
0.4113
0.09 Q
I i I V
I
19 +30
0.4120
0.10 Q
I I I V
I
19 +35
0.4127
0.10 Q
I I I V
I
19 +40
0.4133
0.09 Q
I I I v
I
19 +45
0.4139
0.08 Q
I I I v
l
19 +50
0.4145
0.08 Q
I I I V
I
19 +55
0.4149
0.07 Q
I I I v
20+ 0
0.4153.
0.06 Q
I I I
v
l
2.0+ 5
0.4157
0.06 Q
I I I
V
I
20 +10
0.4162
0.07 Q
I I I
v
l
20 +15
0.4168
0.08 Q
I I I
v
l
20 +20
0.4173-
0.08 Q
I d I
V..
I
20 +25
0.4178
0.08 Q
I I I
v
20 +30
0.4184
0.08 Q
I I I
V
I
20 +35
0.4189
0.08 Q
I I I
V
I
20 +40
0.4195
0.08 Q
I I I
V
I
20 +.45
0.4200
0.08 Q
I I I
V
I
20 +50
0.4206
0.08 Q
I I I
v
I
20 +55
0.4210
0.06 Q
I I I
V
I
21+ 0
0.4214
0.06 Q
I I I
V
I
21+ 5
0.4218
0.06 Q
1 I I
V
21 +10
0.4223
0.07 Q
I I I
V
I
21 +15
0.4229
0.08 Q
I I I
V
I
21 +20
0.4234,
0.07 Q
I I I
V
I
21 +25
0.4238
0.06 Q
I I I
V
I
21 730
0.4242
0.06 Q
I I I
V
I
21 +35
0.4246
0.06 Q
I I I
v
l
21 +40
0.4251
0.07 Q
I I I
V
I
21 +45
0.4256
0.08 Q
I I I
v.l
21 +50
0.4262
0.07 Q
I I I
V
I
21 +55
0.4266
0.06 Q
I I I
VI
22+.0
0. 4270
0.06 Q
I I I
vi
22+ 5
0.4274
0.06 Q
I I I
VI
22 +10
0.4279
0.07 Q.
I I I
vi
22 +15
0.4284..
0.08 Q
I I I
vi
22 +20
0.4289
0.07 'Q
I I I
vi
22 +25
.0.4294
0.06 Q
I I I
vi
22 +30
0.4298
0.06 Q
I I. I
VI
22 +35
0.4301
0.06 Q
I I I
VI
22 +40
0.4305
0.06 Q
I I I
vi
22 +45
0.4309
0.05 Q
I I I
vi
22 +50
0.4313
0.05 Q
I I I
VI
22 +55
.0.4317
0.05 Q
I I I
vi
23+ 0
0.4320
0.05 Q
I I I.
vi
23+ 5
0.4324
0.05 Q
I I I
VI
23 +10
0.4328
0.05
Q I I
I VI
23 +15
0.4331
0.05
Q I i
I VI
23 +20
0.4335
0.05'
Q I I
I VI
23 +25
0.4339
0.05
Q I
I I VI
23 +30
0.4342
0.05
Q I
I I VI
23 +35
0.4346
0.05
Q I
I I VI
23 +40
0.4350
0.05
Q I
I I VI
23 +45
0.4354
-0.05
Q I
I I VI•
23 +50
0.4357.
0.05.
Q I
I I VI
23 +55
0.4361
0.05
Q I
I I VI
I VI r
24+ 5
0.4368
0.05
Q I'
_
I I VI_
24 +10
0.4369
0.02
Q I
I I VI
24 +15
0.4370
0.01
Q I
I I VI
24 +20
0.4371
0.01
Q I
I I VI
24 +25
0.4371
0.00
Q I
I I V1.
j24 +30
0.4371
0.00
Q I
I I VI
24 +35
0.4371
0.00
Q I
I I VI
24 +40
0.4371
0.00
Q I
I I VI
24 +45
-------- - - -
0.4371
- -- ------------------------------------------
0.00
Q I
I 1 VI
- - - - --
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 11/07/07 File: t33848u2hyd6100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
------------------------------------------------------------------ - - - - --
-- .- .rn..-.- -_..- ..Rive- rs.ide....County S_yntheti,c. Unit- Hydrology Method ^��•
RFC & 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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr lots
0505 -023C AUG. 6, 2007
-----------=--------------------------------------------------------
Drainage Area = 3.55(Ac.) = 0.006 Sq. Mi..
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time— 6.00 Min.
25% of lag time = 1.50 Min..
40% of lag time = 2.40 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.)[1] Rainfall(In)[2] Weighting[1 *2]
.3.55 0.80 2.84
100 YEAR Area rainfall data:
Area(Ac.)[1] Rainfall(In)[2] Weighting[1 *2] .
3.55 3.00 10.65
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 o
3.550 56.00 0.500
Total Area Entered = 3.55(Ac.)
RI RI Infil. Rate Impervious Adj. Infil. Rate Area% F
AMC2 AMC -2 (In /Hr) (Dec. %) (In /Hr) (Dec.)' (In /Hr)
-- t.• - -�.. _ ... 0...5.6...,0. - .....,.......,0_._5,11 -a . ?x 0. 5 00
0-.281 . 1.000 0.2 81
Sum F j -= 0 .281
Area averaged mean soil loss (F) (In /Hr) = 0.281
Minimum soil loss rate ((In /Hr)) = 0.140
(for 24 hour storm duration)
Soil low loss rate•(decimal) = 0.500
U n i
t H y d r o g r
a p h
DESERT S -Curve
--------------------------------------------------------------------
Unit
Hydrograph Data
------------------
-------
-------------------------------------------
Unit.time
period
Time a of lag
7
Distribution .. Unit
Hydrograph'
(hrs)
Graph %
(CFS.)
---------------------------------------------------------------------
1
0.083.
83.333
11.774
0.421
2
0.167
166.667
47.570
1.702
3
0.250
250.000
19.695
0.705
4
0.333
333.333
8.799
0.315
5
0.417
416.667
4.890
0.175
6
0.500
•500.000
3.035
0.109
7
0.583
583.333
1.833
0.066
8
0.667
.666.667
1.007
0.036
9
.0.750
750.000
0.910
0.033
10
0.833
833.333,
0.486
0.017
---------------------------------------------------------------
Sum
= 100.000
Sum=
3.578.
- - - - --
Unit
time
Pattern
Storm Rain
Loss rate(In. /Hr).
Effective
(Hi.)
Percent
(In /Hr)
Max
Low
(In /Hr)
1
0.08
0.50
0.180
0.281
0.090
0.09
2
0.17
0.60
0.216
0.281
0.108
0.11
3
0.25
0.60
0.216
0.281
0.108
0.11.
4
0.33
0.60
0.216
0.281
0.108
0.11
5
0.42
0.60
0.216
0.281
0.108
0.11
6
0.50
0.70
0.252
0.281
0.126
0.13
7
0.58
'0.70
0.252
0.281
0.126
0.13
8
0.67
0.70
0.252
0.281
0.126
0.13
9
0.75
0.70
0.252
0.281
0.126
0.13
10
0.83
0.70
0.252
- 0.281
0.126
0.13
11
0.92
0.70
0.252
0.281
0.126
0.13
12 -
1.00
0.80
0.288
0.281
- --
0.01
13
1.08
0.80
0.288
0.281
- --
0.01
14•
1.17
0.80
0.288
0.281
- --
0.01
15
1:25
0.80
0.288
0.281
- --
0.01.
16
1.33
0.80
0.288.
0.281
- --
0.01
17
1.42
0.80
0.288
0.281
- --
0.01
18
1.50
0.80
0.288
0.281
---
0.01
19
1.58
0.80
0.288
0.281
- --
0.01
20
1.67
0.80
0.288
0.281
- --
0.01
21
1.75
0.80
0.288
0.281
- --
0.01
22
1.83
0.80
0.288
0.281
- --
0.01
23
1.92
0.80
0.288
0.281
- --
0`.01
24
2.00
0.90
0.324
0.281
- --
0.04
25
2.08
0.80
0.288
0.281
- --
0.01
281
�.
_0.04
27
2.25
0.90
0.324
0.281
- --
28
2.33
0.90
0.324
0.281
- --
0.04
29
2.42
0.90
0.324
0.281
- --
0.04
30
2.50
0:90
0.324
0.281
- --
0.04
31
2.58
0.90
0.324
0.281
- --
0.04
32
2.67
0.90
0.324
0.281
- - -.
0.04
33
2.75
1.00
0.360
0.281
- --
0.08
34
2.83.
1.00
0.360
0:281
- --
0.08
35
2.92
1.00
0.360
0.281
- --
0.08
36
3. 00
1.00
0.360
0..281
- --
0.08
37
3.08
1.00
0.360
0.281
- --
0.08
38
3.17
1.10
0.396
0.281
- --
0.12
39
3.25
1.10
0.396
0.281
- --
0.12
40
3.33
1.10
0.396
0.281
- --
0.12
41
3.42
1.20
0.432
0.281
- --
0.15
42
3.50
1.30
0.468
0.281
- --
0.19
43
3.58
1.40
0.504
0.2,81
- --
0.22
44
3.67
1.40'
0.504
0.281
- --
0.22
45
3.75
1.50
0.540
0.281
- --
0.26
46.
3.83
1.50
0.540
0.281
- --
0.26
41
3.92
1.60
.0.576
0.281
- --
0.30
48
4.00
1.60
0.576
.0.281
- --
0.30
49
4.08
1.70
0.612
.0.281
- --
0.33
50
4.17
1.80
0.648
0.281
- --
0.37
51
4.25
1.90
0.684
0.281
- --
0..40
52
4.33
2.00
0.720
0.281
- --
0.44
53
4.42
2:10
0.756
0.281
- --
0.48
54
4.50
2.10
0.756
0.28.1
- --
0.48.
55
4.58
2.20
0.792
0.281
- --
.0.51
56
4.67
2.30
0.828
0.281
- --
0.55
57
4.75
2.40
0.864
0.281
- - -.
0.58
58
4.83
2.40
0.864
0.281
- --
0.58
59
4.92
2.50
0.900
0.281.
- --
0.62
60
5.00
2.. 60
0.936
0.281
- --
0.66
61
5.08
3.10
1.116
0.281
- --
0.84'
62
5.17
3.60
1.296
0.281
- --
1.02
63
5.25
3.90
1.404
0.281
- --
1.12
64
5.33
4.20.
1.512
0.281
- --
1.23
65
5.42
4.70
1.69,2
.0.281
- --
1.41
66
5.50
5.60
2..016
0.281
- --
1.74
67
5.58
1.90
0.684
0.281
- --
0.40
68
5.67
0.90
0.324
0.281
- --
0.04
69
5.75
0.60
0.216
0.281
0.108
0.11
70
5•.83
0.50
0.180
0.281
0.090.
0.09
71
5.92
0.30
0.108
0.281
0.054
0.05
72
6.00
0.20
0.072
0.281
0.036
0.04
Sum =
100.0
Sum = 18.4
Flood
volume = Effective
rainfall l.53(In)
times
area 3.5(Ac.)
/[(In). /(Ft.)] = 0.5(Ac.Ft)
Total
soil loss =
1.46(In)
Total
soil loss =
0.433(Ac.Ft)
Total
rainfall =
3.00(In)
Flood
volume =
19780.8 Cubic Feet
Total
soil-loss =
18878.3 Cubic Feet
--------------------------------------------------------------------
Peak
flow rate of
this hydrograph = 4.922(CFS).
M++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + +' + + + + + + + + +
6 - 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 - 2_5---- - - -5_0 - - -7 -5 10.0
---=-- - - - - =- - - -- - - - - --
-----------------------------
0+ 5
0.0003
0.04 Q I I I I
0 +10
0.0016
0.20 Q I I I I
0 +15
0.0036.
0.29 .VQ' I I I I
0 +20
0.0059
0.33. VQ
0 +25
0.0084
0.36 VQ I I I I
•0 +30
0.0110
0.38 VQ I I I I
0 +35
0.0138
0.41 IQ
0 +40
0.0168
0.43 IQ I I I I
0 +45
0.0198
0.44 IQ I I I I
0 +50
0.0229
0.45 -IQV I I I I
0 +55
0.0260
0.45 IQV I I I I
1+ 0
0.0288
0.40 IQV I I I I
1 +, 5
0.0301
0.20 Q V
1 +10
0.0309
0.11 Q V I I I I
1 +15
0.0314
0.08 Q V I I I I
1 +.20
0.0318
0.06 Q V I I I I
1 +25
0.0321
0.04 Q V I I I I
1 +30
0.0324
0.04 Q V I I I I
1 +35
0.0326
0.03 Q V I I I I
1 +40
0.0328
0.03 Q.V
1 +45
0.0329
0.03 Q V I I I I
1 +50
0.0331
0.03 Q V I I I I
1 +55
0.0333
0.03 Q V I I I I
2+ 0
0.0336
0.04 Q V ► I I I
2+ 5
0.0342
0.09 Q V I I I I
2 ±10
0.0346
0.07 Q V
2 +15
0.0354
0.11 Q V I I I l
2 +20
0.0363
.0.13 .Q. V I I I I
2 +25
0.0373
0.14 Q V I I I I
2 +30
0.0383
0.15 Q V I I I I
2 +35
0.0393
0.15 Q V I I I I
2 +40
0.0404
0.15 Q V I I I I
2 +45
0.0415
0.17 Q V I I I I
2 +50
0.0431
0.23 Q V
2 +55
0.0449
0.26 IQ V
3+ 0
0.0467
0.27 IQ V I I I I
3+ 5
0.0486
0.27 IQ V I I I I
3 +10
0.0506
0.29
IQ V I I I
I
3 +15
0.0531
0.36
IQ V I I I
I
3 +20
0.0557
0.38
IQ V I I I
I
3 +25
0.0586
0.41
IQ V I I I
I
3 +30
0.0620
0.49
IQ V I I I
I
3 +35
0.0661
0.60
1 Q V I I I
I
3 +40
0.0709
0.70
1 Q V
3 +45
0.0761
0.76
1 Q V I I I
I
3 +50
0.0820
0.84
1 Q V I I I
I
3 +55
0.0881
0.90
1 Q V I I I
I
4+ 5
0.1020
1.03
I Q
4 +10
0.1097
1.12
1 Q VI I I
I
4 +1.5
0.1182
1.24
1 Q V I I
I
4 +20
0.1276
1.36
I Q IV I I
I
4 +25
0.1377
1.48
I Q I V I I
I
4 +30
0.1487
1.59
I Q I V I I
I
4 +35
0.1601
1.65
I Q I V I I
I
4 +40
0.1722•
1.76
I Q I V I I
I
4 +45
0.1851
1.87
I Q I V I I
I
4 +50
0.1987
1.98
I Q I V I I
I
4 +55
0.2128
2.04
I Q I V I I
I
5+ 0
0.2276
2.15
I Q I V I
I'
_... •.....:.......... 5 +. 5...........__..
0.2436.
... 2.32.
' Q I............. .... .. I.V_......, ...•... L_ .... .........
.... .....
5 +10
0.2625
2.75
I Q I V I
I
5 +15
0.2849
3.25
1 I Q I V I
I
5 +20
0.3102
3.68
I 1 Q I V I
I
5 +25
0.3.385
4.11
I I Q I VI
I
5 +30
0.3710
4.72
I I Q I I V
I
5 +35
0.4049
4.92
I I QI I
V I
5 +40
0.4245
2.84
I IQ I I
V
5 +45
0.4347
1.48
I Q I I I
V
5 +50
0.4416
1.01
1 Q I I I
V
5 +55
0'.4465
0.72
I Q I I t
VI
6+ 0
0.4498
0.48
IQ I I I
VI
6+ 5
0.4520
0.31
IQ I I I
VI
6 +10
0.4531
0..17
Q I I I
VI
6 +15
0.4537
0.08
Q I I I
VI
•6 +20
0.4539
0.03
Q I I I
VI'
6 +25
0.4540
0.01
Q I I I
VI
6 +30
0.4541
0.01
Q i I I
VI
6 +35
0.4541
0.00
Q I I I
VI
6 +40
0.4541
0.00
Q I I I
VI
6 +45
0.4541
0.00
Q I I I
VI
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 11/07/07 File: t33848u2hyd3100.out
+++++++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + ++
---------------- --------------------------------------------------------
.
- -- •Riverside. County_S.ynthet.ic__Unit_- Hydrology Method _y
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
MAMAN TENTATIVE TRACT MAP 33848
RETENTION VOLUME CALCULATIONS
100 -yr lots
0505 -023C AUG. 6, 2007
--------------------------------------------------------------------
Drainage Area = 3.55(Ac.) = 0.006 Sq. Mi. -
USER Entry of lag time in hours
Lag time = 0.100 Hr.
Lag time = 6.00 Min.
25% of lag time 1.50 Min.
40% of lag time = 2.40 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] Weighting[1 *2]
3.55 0:70 ' 2.48
100 YEAR Area rainfall data:
Area(Ac.) (1] Rainfall (In) Weighting[1 *2]
3.55 2.50 8.88
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(In)
Areal adjustment. factor = 100.00 %
. ^
Adjusted average point rain 2 . 500(Io)
Sub-Area Data:
Azea(Ao.) Runoff Index Impervious %
3.550 56.00 0.500
Total Area Entered = 3.55(Ao.)
8I 8Z Iofil. Rate Impervious Adj. Iofil. Rate erea% F
}8gC2 AMC-2 (In/Hr)- (Dao.%) (In/Hr) (Dec.) (In/Hz)
0l.500_-_- 8 ' 28l I ' OU8 U ' 28l
Sum�-
Area averaged mean soil loss <F> (In/Hr) 0'281
Minimum soil loss rate ((Zn/Gr) 8.I4 0 '
(for 24 boor storm duration),
Soil low loos rate (decimal) 0.500 �
---------- ------------------------------------------------------
t Bydrograpb
DESERT S-Curve.
--------------------------------------------------------------------
. .
Doi�
Bydzog���b Data
--------------------------_--------
--'� -' -...Unit 'time per�md
Time % of.Iag -
-_--_---
----_----_----------------
Distribution '-Onit_Hy
d�ogr���'_---
(bzo)
Grapb %
(CFS)
-------------------------------
I
0.083
---------------------------------------
83.333'
1I.774
0.42I
2
0.167
166.667
47'570
1.702 `
]
0.250
250.080
19.695
0.705
4
0'333
]33.]33
8.799
0'315
5
0.4I7
4I6.667
4.890
0'I75
6
0'500
500.008
]'0]5
0'I09
7
0'583
583.333
I D3�
'
D O6G
'
8
0.667
666.667
1.007
0'036
.9
0'.750
750.000
0'9I0
0'033
IO
O.O�3
833.333
0.�86
O'OI7
-_--_--------------------__----------------__-------------__-----------
Sum
I00'000 Sum=
3'578 '
Unit
Time
Pattern
Storm Rain
Loss zate(Zn./8r)
Effective
(8z.)
Percent
(In/Hr)
Max | Low
(In/Hr)
I
0.08
1.30
0.390
0.281
0 .11
O.II
2
0.17
I'30
� 0.390
' . ---
O 28I
0.11
3
0'25
1.10
0'330
0'281 ---
0.05
4
0'33
1.50
0.450
0.28I ---
0.I7
5
0'42
I.50
0.450
0'28I --- �
0'17
6
0'50
I.80
0'540
0'28I ---
0'26
7
0'58
I'50
0'4�0
.0'28.1 ---
0. 1-7
8
0.67
1'80
0.540
O ---
. 28l
26 O
'
9
0.75
I.80
0'540
0'28I ---
0'26
lO
O�83
1.50.
0.450
0'28I ---
0'17
ll
V'92
1'60
0'480
0'28I ---
0'20
12
1.00
I'80
0'540
0'28I
0'26
13
I.08
%'2O
0'660
0.281
0'38
IA
1.I7
2'20
0'660
0'281 ---
0'38
15
1.25
2'20
0'660
0'28I
0'38
16
1.33
2.00
0.600 0.281 - --
0.32
17
1.42
2.60
0.780 0.281 - --
0.50
18
1.50
2.70
0.B10 0.281 - --
0.53
19
1.58
2.40
0.720 0.281 - --
.0.44
20
1.67
2.70
0.810 0.281 - --
0.53
21
1.75
3.30
0.990 0.281 - --
0.71
22
1.83
3.i0
0.930 0.281 - --
0.65
23
1.92
2.90
0.870 0.281 - --
0.59
24
2.00
3.00
0.900 0.281 - --
0.62
25
2.08
3.10
0.930 0.281 - --
0.65
m�. - 2.6_,,.._2...1_7
_ - _4_..2A ___ lY 2 60 �.- _ a 0.281 - -=
- --
0.98
27
2.25
5.00
_,- . „ -„
1.5 0
28
2.33
3.5.0
._1.050 0.281 - --
0.77
29
2.42
6.80
2.040 0.281 - --
1.76
30
2.50
7.30
2.190 0.281 - --
1.91
31
2.58
8.20
2.460 0.281 - --
2.18
32
2.67
5.90
1.770 0.281 - --
1.49
33
2.75
2.00
0.600 0.281 - --
0.32
34
2.83.
1.80
0.540 0.281 - --
0.26
35
2.92
1.80
0.540 0.281 - --
0.26
36
3.00
0.60
0.180 0.281 0.090
0.09
Sum =
100.0
Sum =
20.1
Flood
volume = Effective
rainfall 1.67(In)
times
area
3.5(Ac.), /�(.In) /.(Ft.)] = .. 0.5..(Ac..Ft)
Total
soil loss =
0.83(In)
Total
soil loss =
0.295(Ac.Ft)
Total
rainfall =
2.50(In)
Flood
volume =
21559.8 Cubic Feet
Total
soil loss =
10656.0 Cubic Feet
--------------------------------------------------------------------
Peak
flow rate of this hydrograph = 6.623(CFS)
------------------------------------------------------------------
.+++++++++++++++++++++++++++++++++++++ + + + + + + + + + + + + + + + + + + +
+ + + + + + + + + + ++
3 - 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) 0 2.5 570
-----
7.5 10.0
-----------------------------------------------------------------------
0+ 5
0.0003
0.05 Q I I
I I
0 +10
0:0019
0.23 Q I I
I I
0 +15
0.0039
0.28 VQ I I
I I
0 +20
0.0057
0.27 VQ I I
I I
0 +25
0.0088
0.45 VQ
0 +30
0.0126
0.56 IVQ I I
I I
0 +35
0.0176
0.71 IVQ
0 +40
0.0222
0.68 IVQ I I
I I
0 +45
0.0278
0.81 1 VQ I I
I I
0 +50
0.0335
0.83 I VQ
0 +55
0.0384
0.7.1 1 QV
1+ 0
0.0436
0.74 1 QV I I
I I
1+ 5
0.0497
0.90 1 QV I I
I
1 +10
0.0576
1.14 I Q I I
I I
1 +15
0.06.62
1.24 1 QV I I
I I
1 +20
0.0749
1.27 1 QV 1 I
I I
1 +25
0.0836
1.2,7 1
QV
I I I
I
1 +30
0.0943
1.56 I
QV
I I I
I
1 +35
0.1060
1.69 I
Q
V
1 +40
0.1173.
1.65 I
Q
VI I I
I
1 +45
0..1301
1.85 1
Q
V I I
I
1 +50
0.1452
2.19 1
Q I V I I
I
1 +_`.5
0.1605
2.22 I
Q 'I V I I
I
2+ 0
0.1753
2.•15 I.
Q I V I I
1
2+ 5
0.1904
2.20 I
Q I V I I
1
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QI V I I
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`
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2 +25
0.2769
3.49
I
1 Q I V
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2 +30
0.3118
5.06
I
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2 +35
0.3536
6.07
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I 1 Q V
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2 +40
0.3992
6.62
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I V I
2 +45
0.4360
5.35
I
I IQ
I V I
2 +50
0.4570
3.05
I
1 Q I
I V I
2 +55
0.4710
2.03
I
Q I I
I V
3+ 0
0.4813
1.49
I
Q
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I V I
3+ 5
0.4876
0.92
I
Q
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I VI
3 +10
0.4910
0.49
IQ
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3 +15
0.4930
0.28
IQ
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I VI
3 +20 ..............
0.494.1.. ...._..._...0.16..
,Q.....
_............_
_...1....,_...................I _...........a........ _.....
I....._....._..... .......V..I_.:_......__..._._..
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0.4946
0.07
Q
I' I
I VI
3 +30
0.4948
0.03
Q
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3 +35
0.4949
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r, r, jv-CjLSID C C U11 ry - Cl 1-
TABLE 12. —Soil anti water f e'CLtU'rCs of s3rrnbols and surj, terms as "rare,"
not 11 concern See t . C)--t for descriptions
than; means greater than]
kilsence 01 •ELI) eritr3l indi,c,-ates UIP feature is " The sYrnbOl < means less
B,d ,pp
brief," _,Clled. , Bedrock
gig], water table
Flooding Montlin Depth RardnLaEi
HY&ro- IcIrld -
logic Depth
Soil name and group FreqUCTICY. Duration ------ -------
r.BILP BYmbol
IIadland
Borrow Pitll:
8R.
---- - - - - --
Bull Trail: B
None ------ -- 7 -------------
------------
BtE------------------- .
. __ I .
---------- ----- ------------
----------
on'
C ' A
IT D,
None ------ --------------
------
.
> 50 ----------
.1 -----------------
-
A
None - - - - -- --------------
------------
b D
>60 ---- - - - - --
-----------------
-----------
-
Carrito: A
Ccc-----------------
Rare- ___ - -- ---------------------
-----
>
-----
------------
> -------------- ----------
G--,L_ Apparent - - - -- jam-Dec----
CaC, dE,C�C,CkB.
C
None------ ---------------------
None---- -- -- - - - - --
------
_2.
- A
CFB--------------
6_20 Rippabla.
-------------------------7
Csx6tasvarimm-t* C
None_.__ -- --------------
--------
t,B, CME -----------
> 60 ----------
> --------------- ------------
Co B, Co D C,C, C n E.
None------ --------------------------
>&O ----------
I
r�ofAella:
None-__ ---------------------
7'----
-------------- ------------
3 G-5. o Apparent-- - - - .
Jan - Dec____ > M ----------
B
.-.P/,\ I CP B, C s,'\ ------ B
None ------ --------------
---------
-----------------
o. D Apparent-- -
JLUT)ec--__
Fluvaquemts-- D Frequent__- 'Very long----- .Apr - Sep -` --
_7
>60 ----------
Fluvents: A/D
Occasional_ brief___- J--Der
O,j__
--------------
-- ----------
Fr-------------------
>60 ----------
-
>6.0 ---------------
---- --- ------ --- 2.&__5.0 A-pparent-_-
-A-- P ----------
Gllmmi:
B Rare ------- --- -------
r ----------
G BC;b^,GbB,'Gi
Gc,A,, Gd^,
B None ------ ---------------
Graial Pit and dumps.:
GP.>6-0
----------------
------
------
------
Apparent----- Jan - Dec____- >
ijmperld:
None--: ---------------------------
------
D N lie ----- 7 --------------
---------------
>60 -----------
>6.D
----------
6C,
1,,peF,al part- - -- - --
D None ------ ---------------
------------
Gillbed land part.
1.5-5.0 App-rent-.-
J--D----
Im
081al .
7
• .
I erial part -------
Mied land part.
D None --------------
>60 . -------
lnlfia:
None- =- ----------------
>6 -------------- Dec--- > ----------
7 ------ 3.0-5.0 App-r—t7---- Jan7
I p, I
B - - - -
B None ------ -----
It----------------
-
I;lt)3!c TorripsrLmmeotB:
I-1D Hard.
--------------
------------
Lithic
TDrripB ammets part.
D None ------ I ----------
Rock outcrop part.
I I I I,
78
1-1 ydro-
Soil nftniC fLn'd logic
rnItp EMU 1:1
myornc A
Ma B, i\,A 6 D -----------
PIC B ----------------
-4,yijun d:._.
i, I a B___ C
NbB ----------------
C)EnBLOLL: C
OMD___ - ---- - - - - - - - - -
Orl:
DmEltott part - - - - - - C
Rack outcrop part-
RiverwaBb:
RA.
Rock outcrop:
P.O.
RTI-
RDcl: outcrop part-
.Torrips&mments part. D
Rubble lRnd-.
PU
SOIL SUTtVLY
res—CO I I tin u (-- d
TALE 12-7—sol.L water f U UIL
Higli wLLLer L1LI_Jlf'
171 rjb, d IT 19 "" —
D
DepLh Kind Monti-is
ty ftL
FrLLjUCnCY DuraLion Monti-is
Ft
None-____ - --------------
one_,,___. -------------- ------------
------- . -- ------------
None______
1------ I
Nonp_` _1 -------------- ------------
----------------------- I ------------
None------ I -------------- I ------------
6.0 JLLT,-Dec ---
.-A Jan- ---
>6.0 1 -------------- l ---- 7 -------
-------------- I ------------
Be.drc,cic
DePLII 1, Hardness
> 6.o I -------------- I ------------
I-
>� 60 � - --- - - - ---
> 60 ----------
4_-2_0� 11iPP&I318.
4_2() 1 TLippable-
I-1D I Hard.
2. G-5. () Apparent ------ Jan- Dec -__- >60 ----------
Salton:
Sd, D Norie ----- --------------- ------------
>BD ----------
SobobB.: >6.b --------------- ------------
So D, SpF ------------ A one - - - - -- -------------- ------------
TO' :
'Iorriorthents part.
Rock outcrop part-
>6.0 >60. - - - - - - - - 7-1
Tujunga: A None --------- --- --------
TpE, TrC, description -jo-z the composition and
e dominant jdl:�ds . of soil. See 1naPpI . --
in unit. d _Ompositio
This mapping unit is made up of: two or inor
behavior of the Whole mapping unit.
'-obseyvatiOns -during -the Inappin-9 Of the
and the months of the year -that the -water - and -on 'Oth r h and its hardness as related
parent e saturated zones above a soils- The kind ' of bedrDC also. shown. Rippable bedrock
table c� mmonly is high. Only to ease of excavation is single -tooth ripping attach-
ap-pth of .5 or 6 feet are indicated. can -be excavated with a Sil _ but hard bedrock
seasonal high water table 200- horsepower tractor,
Information. about the seas designed ment on a .2 blasting.
helps in assessing the need for specially generally requires
'fic kinds of drainage
foundations the need for speci
systems, and the need for footing drains to insure dry
S also needed to decide CELjO.TL, MorphoLogy, and
Such information is FOr' t'
baser�dnts- S. t construction of basements is feasible f-LcdLion of LhP- soils
whether or no tank absorption -fields and -CLassi
and to determine 110NN' septic ' ions function. Also, a major fat
otlier underground installat section contains descriptions of the M
- of excavation- -. This SB -n as they -occur in the Poacheseasonal Iligh water table affects ease s of -soil foymatio f or all soils that are tOT Valley Area, a summary of significant morpologiDe?)thJo -bed?odc' is .5110\vn 6 feet or less. e soils of the Arean ex.lanatio:
underlain. by bedrock at a depth of 5 to . h is a part characteristics of th
-Is, the limited depth to'-bedroc of the current system of classifying soils by categoric
For many so' 11 series. The. depths shorn and a table showing the
n of the so s broader than the series,
f the definition ' soil boring
are based on measurements. made in many
'DROLOGIC SOIL -COVER CONLpLE} E5 FOR PE1hVI0U5 PFE7_S -A1�1C II
RTJ140FF I1QDE�. isuMBrxs ��sol Group
Cover Type (3)
Cover (2) A B C U
jQP_TURKL COVERS -
Barren raded land)
(Roc }_land, eroded and g
Chaparrel, Broadleaf a s,c � oak
. (Manzonita, ceanothus °-'an __._...,
Chaparrel, lgarrowleaf
(Chamise and redshank)`
Grass, 'Annual or Perennial
Meadows or Cienegas high water table,
(Areas with seasonally rass)'
principal vegetation is sod form -0 g
Open Brush e'etc.)
at wood shrubs - buc }:wheat, sag,
(Sot
Woodland rees predominate.
(Coniferous 'or broadleaf t- ercent)
Canopy density is at least 50. percent).
Woodland, Grass
or broadleaf trees with canopy
(Coni Brous
density from 20 to 50 percent)
URBAN CCNERS -
Residential or Commercial' Landscaping
etc.
...(.Lawn, s s.,
Turf ass)
('Irrigated and mowed gr
AGRICULTURAL COVERS -
Fallow
(Land .plowed but not tilled or .seeded).:
H-YDRD- DrY - J�AANUAL
-7B 1 66 1 91 193
Poor
53 1 7D BO B5
Fair
40 63
--Go od «'-- 7.31a
_57_ z _ 71 7 B o�
Poor
71. 82 B8 91
Fair
55 72 B1 86
Poor
67 7 B B6 B9
Fair
50 69 79 B4
Good
3B 61 74 B0
poor
63 77 B5 8B
Fair
51 70 'BO B4
Good
3D 5B 72 7B
PDOr
62 76 84, BB
Fair
46 66 77 . B3.
Good
41 63 .75. B1
Poor
45 66 77 B3
Fair
36 60. 73 `79
Good
2B 55 70 77
Poor
57 73 B2 B6
Fair
44 65 77 B2
Good
. 33 5B 72' 79.
Good 32 56,. 69 75
Poor 5B 74 83. 87
Fair 44 65 77 B2
,Good
33 5B 72. 79
76 I B5 190 .I 92
RUI�4FF INDEX • NUMBE.RS
.FOR
PERV IOU 5 . AREA
. t
i
COMPLE}�S
FOR PERVIOUS PEAS -AMC II
RU14OFF IDIDEY. NUMBERS OF Hi'DROLOGIC SOIL -COVER
Quality of Soil Group
Cover'Type (3)
Cover (2) A B C D
AGR.ICULTTJRAL COVERS _(cont..) -
Poor 66 77 85 89
Legumes, Close Seeded etc.)
timothy,
Good 58 72 81 85
(Alfalfa, sweetclover,
See Note 4
Orchards, Deciduous etc.)
"! - (Apples; apricots - pears,, walnuts.,
.�
Poor 57 73 82 B6
Orchards, Evergreen
Fair 44 65 77 . B2
(Citrus, avocados, etc.)
Good 33 58 72 79
Poor 67 78 B6 89
Pasture, Dryland
Fair 50 69 79. 84
(Annual grasses)
Good 38 61 74 BO
Poor 58 74 B3 87
Pasture, Irrigated
Fair 44 -65 77 82
(Legumes and perennial grass)
Good 33 5B 72 79
Poor 72 B1 BB 91
Row Crops
sugar beets, etc.)
Good 67 7B B5 89
(Field crops - tomatoes,
Poor 65 76 84 BB
Small Grain
Good 63 75 83 87
(Wheat, Oats, barley., etc..) .
See Note 4
Vineyard
Notes
for Antecedent Moisture Condition
1. All runoff index (R1) numb ers.are
(AMC) 2I.
2. Quality of cover :definitions:
regularly burned
areas. Less than 50 per-
Poor - Heavily grazed or
is by p lant' cover or brush'
cent of •the- ground surface protected
and tree canopy.
with 50 percent to
75 percent of the ground sur-
Fair- Moderate cover
face protected.. of the ground
with more than 75 p ercent ..
Good =Heavy or dense cover
surface protected.
C -2 for a deta�led description
of cover .types.
3. See Plate
index numbers based on ground
cover type. See discussion
4. Use runoff
under "Cover Type Descriptions" on Plate
.0 -2.
5: 'Reference. item 17:
RUNOFF INDEX NUMBERS
RCFC a WC D..
FOR
rIYDRDLOrY MANUAL
PERVIOUS AREA'
ACTUAL IM--'ERVIOUS CD«R
Land Use (1)
Natural or kgriculture
Single Family Residential: (3).
40,D00._S. F. (1 kcre) Lots
20,OOD G. F. (;1 Acre) Lots.
7,200.- 10,00D S. F. Lots
Multiple Family
Residential:
Condominiums
Apartments
Mobile Home Park
Recommended Value
:ge- Percent For Average
Co nditions - P er cent( 2
I 0
2- 5--_ -- _
20
30 - 45 40
45 -'S5 5D
45 - 70 65
65 90 80
60 - 85 75
80 -100
90
co=ercial, Downtown
Business or Industrial
Notes_
ultimate devel.oPment of the watershed.
:and incorporated cities
l; Land use should be bdfo �e County tions.
Long range master plans
should be reviewed to insure reasonable land .use assvmp
e conditions which may, not
area. The Percentage impervious may
2, Recommended values are based on aver an
apply. to a pares cular study
v greatly even. on comparable sized lots eIIer °. iceseshould also .
a?�' ....__ ... improvements ; etc . * I ands cap P rev
dwelling size, to use . orn amental g
be considered as it is commmon in some areas
lastic materials 'in Place of lawns and
els underlain by i.mperv, -ous p area should always be made ,
shrubs: A field investigation oheresa ailable may assist in estimat_-
and a review of aerial Photos ,
.ing the percentage of impervious cover in developed areas.
For typical horse ranch subdivisions .increase impervious area 5 per
. Y the table above.
cent over the values recommended in
rJYDROLOry MANUAL
AL
IMPERVIOUS COVER
FOR.
DEVELOPED AREAS
Dl. ATE n -c
.. . ._..__...._l
438.1 X
. . ........ ....... .... . ....... v ............... -- -----
1137,21 . ......
........... . 1. . . .... . . ... ...........
. .. 1.........._ ... . .......
TRAULER I -
_ 0 drol-PlonlZonin -LoWA 'hesidefl '96./
X &n's4i
0 Gen
3m
,
. ........... :. -
... . ...... . ............ . . .. . .......... . ......... . .. X
.. . . . ..... . . .....
.. . ...........
. ... . ..... z .. . . ..............
/ . .. .......... -------
X X FROP. am
... . ..... ... ....
. .. . . ...... ... ..... ..
....... ..... ...... .. :�-LL_a �X
F1.0
aw MWILM- w .1) 73
X. ........
..... . ... . . . .. .... ..... QW. 18' SEW MW 9,
.. . ..... .................. .... ... ....... . ...................... . . . ........... ................ . ......... .. - - - -------- ........... . AVENUE&
. ............. Fi �'04T324.00'
.. .... . ......... 4.4ft32- �z AR
. . ....... ...
. ....... .
S . . .. .. ... .... = ap
War. Jr Y.C.P.
qASS I WE ...... ........ . ........ L
............ . .. .............. .... . ..... . . . . ..... . ............ .. . .......
G.7
439.6 . .. . .......
. ...... . .... . ... ....
. .. ...........
. . . .. .........
............
........ ........
.. ... . ..... .......
.1 SUX
.7
(AS PER -AMqW M4GE MM W7
MUM-USE
a7y OF LA QUWT4 GDOW PLAN':.:
3 ....... ... ...
OR Ea 5
WN SL4VO -IRMOMMM
"", = C�affivvoftw
SOT "B
Lmvswff,�'" pw, Awmr
?Olt,
rV
IN.
tn
K`-
2
51( 2 X
S11 A"! I-EIRF."D BRIJIA-1 /-,Mow aw /..... '� ;f %';. ;. 1�;4 rt�,,, q A (il
m
FF-439. 0;
W-COMM
J PE- I WHE
. ....... AUW
ED
A) .4
7
b-/A, r., -Al
So
LILL
- - - -- - - - - -
f
....... . . .. . ......
.0
•r% i.) X
2
IQ re
V1 11,080
SF
U FF-439.01
I PE-438.5
...........
V '4
j
A
V7, 4
Ail"Ll i X
Yj
,
<
qj
z
x4,-4- I Jf 3*716(
f., 4 X1 /4,37,1
41 7./
X
[v,//T-:,
I . . . . . . . . . .
,31
'A
JU --I-.
2
o�y
N
O
Iq3
I �: "P 1-n
4 1 4j37,5 -- X 437 -3)
A
7
11.11, 1 4
" 1,4 A -
X
X X
It . ... kf
k L:
i
0
. . ............... . . X..
................
4 4. 1 /
4.37.3
. . ...... .. . ...... ...... ... .. ..... ..... . . .. ..... . .....
4 2
:> - -----
";.:� _ - - !L - _.
pp , \_TZ, - t . . ......
..... . . ... . .
. ......... . . ....... . . ..... . ...... x.
.......... ......... . ......... . . . . ......... . .. ........ . . ... . ...... . .......... . . -2.
.... . ...... . . ..... . ......
7 437.2 51i:,-':;
.... ............... ...... .... ..
.. .. ... ........ ... . ... ......
.... .. .......... . ....... ....... . ............. .................. . . .................... . .. ... . . . . .
_T_
;,
LOT W
MR FLIP Ammv FLIP Rae
2
LO Tv'riql'.
'WMnff IMMM 'I 'iq 4311 SF'CA_1 111-111
Um MOW 19" 'Wioidll
......... .....
. .. . .... .......
Al
PER a7r Sm
A z,
mm -
mmnw mmnnw k"_.716
20
4
43 6, 2
SF
4M.0
10 43G,7
Otacma M BE I
v-
-V, k .... . .... . L
.. ..... .... ..
JS1 . . .....
p I
�,j 433 6
09.0 . ........ rEl
i I N
. . . ...........
A 1�
Z En •1910
_j
V4
2 6
.75 PEW-4ja
A. . .....
V_j .. .. ........
35 4"
I X
20'
MIN
J
SF X :\ °ir
,L-36.2
T�vp
(TYP
341111P
j.
5
30
0 4,5 5. 6
FF" SF -9.5 L
4 11098
09.0 435.4
r - - - - -
L 7
-7
Eli
- - - - - - - - - - -
/, I
J.
SF
X I " I
- 0
Y �Z . ...... .... . . ... .......... ......
V. . ........ . .......
4.
X
du/ 43 1
6
1,120 SF1
X ).3
-440.0 435,8
5
123' j i
X 4.34.
5, r - - - - - - - - - - - DIRI"
X
SCATI RED
r- - - - - - - -
5.4 A
4 5A
43,
X
SF W.
1.0 5
ww
D
. .................
_U
7 CAUM x4
X
�12,:74 SF z.
i
441.0
o ....... . ...... .
. ..................
. ...... . . .. ............ . .........
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- - - - - - - - - - - - r - - - - - - - - - - 7)
........... .
....... ......... .... . ........ .. ........ ... .. ..... .....
. ... ......... .. . ...... .. X A-' 17 vp- I z
. . . .... ...... ....... .......... ......... -1 . ......... . ........ ....... . ..... ..
. ... ........ . ....... ... . .
. . . ..... ..... .. .....
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.. .. ......
. .... .. N89*57'04*W 524.00 P\
. ... . ... ... c",
. . .. . .........
-3
.0
-00
PN: �764 </
1-002 -190
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