HomeMy WebLinkAboutTract Map 3929 Lot 84 Drainage Study Johnson ResidencePROJECT NO.:
L
FILE CATEGORY: r
PROJECT MGR.:
DRAINAGE STUDY
Prepared for:
Duncan and Emily Johnson
30702 Calle Pina Colada
Temecula, CA 92591
310-709-0013
PROJECT:
Johnson Residence
LD14-008GR
41060 Avenida Verde
APN 921 -152-005
PREPARED BY:
Consulting, Inc.
pfESSlO349E. Alvarado Street
Fallbrook, CA 92028 g,
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May 31 , 2014
STq oFci?\'
Prepared under the pervision of:
Kristin L. Greene P /C57860 Date Exp. 6/30/16
Project: Tv N
clicGreene Subject: N DICOGUC TI ArI Ckt SConsulting, Inc.Job No: /1-3 .33 Date:
By: L-G Page: /of
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POST;DEVELOPMENT_ CONDITION,SUMMARY
SYSTEM
AREA
C I
Q100 Q100
AC) CFS) (gpm)
Pre Total 0.66 0.4 1.3 0.29 131
Post Total 0.56 0.86 1.3 0.63 281
Inlets
Driveway 0.14 0.86 1 1.30 1 0.16 70
Area for drains 0.01 0.86 1.30 0.01 5
South side 0.03 0.86 1.30 1 0.03 1 15
North side 0.04 0.86 1.3 0.04 20
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1000. 90 2. Maximum area = 10 Acres 5
900 80 a
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800 70
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Development ,Tc = 12.6 min.
100
6
2) L=550', H =5.0', K= Commercial 40
Development , Tc= 9.7 min.
5
4
Reference:Bibliography item No. 35.
R C F C a W C D TIME OF CONCENTRATION
HYDROLOGY MANUAL
FOR INITIAL SUBAREA
44 -_ _101 . PLATE D-3
RAINFALL INTENSITY- INCHES PER HOUR
A 91RA LORA MURRIETA - TEMECULA NORCD PALM SPRINGS PERRIS VALLEY
6 RANCMO CALIFORNIA
C) DURATION FREQUENCY DURATION FREQUENCY DURATION FREQUENCY DURATION FREQUENCY DURATION FREQUENCYAMINUTES
10 100
MINUTES
10 100
MINUTES
10 100
MINUTES
30 IDO
MINUTES
IO 100
0'1 YEAR YEAR YEAR YEAR YEAR YEAR YEAR YEAR YEAR YEAR
5 2.84 4.16 5 3.45 5.10 5 2.77 1.16 5 4.23 6.76 5 2.61 3.78
6 2.56 1.07 6 3.12 4.61 6 2.53 3.79 6 3.80 6.08 6 2.11 3.46
7 2.37 3.75 7 2.87 1.24 7 2.34 3.51 7 3.40 5.56 7 2.21 3.21
8 2.21 3.49 8 2.67 3.94 a 2.19 3.29 8 3.22 5.15 8 2.09 3.01Dc) 9 2.08 3.28 9 2.50 3.69 9 2.07 3.10 9 3.01 1.81 9 1.98 2.81
Cv 10 1.96 3.10 10 2.36 3.48 10 1.96 2.90 10 2.83 1.52 10 1.88 2.69
D 11 1.87 2.95 It 2.21 3.30 11 1.87 2.00 11 2.67 1.28 11 1.79 2.57
12 1.78 2.82 12 2.13 3.15 12 1.79 2.68 12 2.S4 1.07 12 1.72 2.16r131.11 2.70 13 2.01 3.01 13 1.72 2.58 13 2.43 3.88 13 1.65 2.37
11 1.61 2.60 14 1.96 2.89 14 1.66 2.18 11 2.33 3.72 11 1.59 2.29
15 1.58 2.50 15 1.89 2.79 15 1.60 2.10 15 2.23 3.58 5 1.54 2.21
16 1.53 2.42 16 1.82 2.69 16 I.55 2.32 16 2.15 3.11 16 1.49 2.14
17 1.48 2.31 17 1.76 2.60 17 I.50 2.25 17 2.08 3.32 17 1.15 2.08
IB 1.44 2.27 IB 1.11 2.52 is 1.16 2.19 18 2.01 3.22 IB 1.11 2.02
19 1.10 2.21 19 1.66 2.15 19 1.42 2.13 19 1.95 3.12 19 1.37 1.97
20 1.36 2.15 20 1.61 2.38 20 1.39 2.08 20 1.89 3.03 20 1.31 1.92
22 1.29 2.01 22 1.53 2.26 22 1.32 1.98 22 1.79 2.86 22 1.26 1.83
21 1.21 1.95 24 1.46 2.15 21 1.26 1.90 2/ 1.70 2.72 24 1.22 1.75
26 1.18 1.87 26 1.39 2.06 26 1.22 1.82 26 1.62 2.60 26 1.18 1.69
28 1.14 1.00 29 1.31 1.98 28 1.17 1.76 28 1.56 2.19 28 1.13 1.63
30 1.10 1.73 30 1.29 1.90 30 1.13 1.70 30 1.49 2.39 30 1.10 I.57
32 1.06 1.67 32 1.21 1.91 32 1.10 1.64 32 1.44 2.30 32 1.06 1.52
Z 31 1.03 1.62 3/ 1.20 1.78 34 1.06 1.59 31 1.39 2.22 34 1.03 1.18
1 36 1.00 1.57 36 1.11 1.72 36 1.03 l.55 36 1.31 2.15 36 1.00 1.44
m
38 97 1.53 38 1.13 1.67 38 1.01 1.5I 38 1.30 2.09 38 98 1.40
Z 40 91 1.49 10 1.10 1.62 0 98 1.17 00 1.27 2.02 40 95 1.37
n (n 15 89 1.10 45 1.03 1.52 15 92 1.39 AS 1.18 1.89 5 90 1.29
V 50 81 1.32 50 97 1.14 50 88 1.31 5o 1.11 1.76 50 85 1.22
55 80 1.26 55 92 1.36 55 04 1.25 55 1.05 1.68 55 81 1.17mZ60761.20 60 80 1.30 60 80 1.20 60 1.00 1.60 60 78 1.12NI065731.15 65 81 1.24 65 77 1.15 65 95 1.53 65 75 1.08
r O D TO 70 1.11 TO 81 1.19 70 T1 1.11 70 91 1.46 70 72 1.04
D C ;o 15 68 1.07 75 7B 1.15 75 72 1.07 75 08 1.1-1 75 70 1.00
71 D x p 80 65 1.03 80 75 1.11 80 69 1.01 80 65 1.35 80 66 .97
D D 85 63 1.00 85 •.73 I.OT 85 67 1.01 85 82 1.31 85 66 .94
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ply.-The open channel flow calculator
40 e-fS
Select Charmel Type:
Circle
Depth firm Q Select unit system Feet(ft)
chmmei slope: J_2 5 Radius (r) 1- —I
ft
Water depdty): ;o.te—=
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Calculate)Status:Calculation finished Rawl;
Wetted perimeter 6.55 Top width(T)FFlowarcaAO5___ __- R^2
Specific energyl2.%- FFroude numberl t-- Flow statusFSupercritical flow
Cri ical depthl6. —Veiocity headl2 8 —_
F-
Criticalslopei0.0863 it
Copyright 2000 Dr. Xing Fang,Department of Ci\iI Fngineering,Lamar Uniwrsih'.
Z PIPS w tfF E
D. Co3
POST DEVELOPMENT CONDITION SUMMARY
AREA Q100 0100
SYSTEM AC)
C I
CFS (gpm)
Pre Total 0.56 0.6 1.3 0.44 196
Post Total 0.56 0.86 1.3 0.63 281
Inlets
Driveway 0.14 0.86 1.30 0.16 70
Area for drains 0.01 0.86 1.30 0.01 5
South side 0.03 0.86 1.30 0.03 15
North side 0.04 0.86 1.3 0.04 20
0.001147842
Emitter Outlet calculations
Q(ex) Q(ex)
Number of
emitters
cfs gpm 40 gpm per
Outfall t 0.44 196 4.9
Each NDS 420 emitter allows 40 gpm of flow. Use 5 emitters placed at 6 ft on
center allowing 200 gpm which is equal to the Q existing flow rate.
M14 Open Channel Flow Calculator
s/ e open channel flow calculator9
Select Channel Type:
Triangle re
h fiom Q Selcct uric system Feet(ft)
Chatinel sbpe: .oz Bottom
r----
J
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Fbwvebciy1.730581
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3/s
alculetel Statm alculation finished
Wetted permetero_42wid --J Flow arealo.m - 2F
Specific energyjo:t4-
Fronde mtmbertl-M-- Flow status.Suntical Aow
Critical depth am- Velocity head tcyo5-Critical sbpe,0.0073
Copyright 2000 Dr.Xing Fang,Department of CNN Engineering,tamar University.
too
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Open ChmWROwcalaiamr
F g)eo The open channel flow calculator
Select Charnel Type:
Triangle
b
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Charnel slope: j.15 7 Bottom W(b) Fo-
Water depth(y): 0.07 ^ _ 1t—
Flow vebcityi4.24993 j RightSbpe(M): j2 -
LeftSlope(Zl): 2 IR
Flow dischargel.04 111riputrivalueLm or select
3/
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Wetted perimetero.31 Top width(D[0 2FlowareaprR^2
Specific energy 0.35
Froude mmixr 4[ 04— Flow status jSupeicriticai Row
Critical depth @ 12 Velocity heads- —
Cr@icalsbpe /1t
Copyright 2000 Dr.Xing Fang,Depwumnt of Civil Engineering,Lamar University.
Y 04 2S
lDO
bM4 Open Channel Flow Calculator
4, / The open channel flow calculator
Select Chauoel Type:
Circle J
Depth from Q Select unit system Fjeet(8)
Channel sb• o1 — 'l
Water d ):
R—adius (r-)17
Flow vebcityi2: 453 J
I eflSbpe(Zl): F ft jRjgbtSbpe 22).
F3
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Wetted perimeter 0134 Top width(T) t- 7
F— Flowareap.09It"2 -
0---'
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Specific energy 0..44-
roude numberl0 82- Flow stag Subcritical Aow -
Critical depthp.2e- rVek)cityheadjo.13-ICrkical slopel0:011i j /ft
F_
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Cop.vright 2000 Dr.Xing Fang,Department ofChil Engineering, Umar Uni%ersity.
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Project: -ToN-A.lSoti/ P7- IDEII
dk Greene
Consulting, Inc.
JobbN: Date: 5 Z-7 l
By: Page:of
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No. 3 -SP COVER No. 3 MB -CONCRETE COVER
WT. 13 Ibs.WT. 13 Ibs.
8 3/4"
8 3/4"
141/2"
141/2"
2"DIA. ELDED
PLASTIC INSERT WIRE
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L11/8" WELDED
WIRE No. 3 MB - BODY
19" 13 1/4"
No. 3 - MA COVER
WT. 66 Ibs.
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ALUMINUM 91/2"
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No. 3 -T CAST IRON COVER PIPE HOLE
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No. 3 MB - EXTENSION x
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Figure 2-5 rapacity of Grate Inlets in Sump Locations
San Diego County Drainage Design Manual(July 2005)
Page 2-15
NDS POLYOLEFIN POP-UP
DRAINAGE EMITTER WITH L
INHIBITOR.
NDS 1/4 BEND SEWER DRAIN
ELBOW.
III—III—III—III—III- I I COMPACTED TOPSOIL
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111 IHi ll
SEWER&s DRAIN PIPE
CRUSHED STONE DRY WELL
TECHNICAL SERVICES
1-888,825.4715
cechservice@ndepm.com
TYPICAL POP-UP DRAINAGE EMITTER
SEWER&DRAIN PIPE N.T_S.