HomeMy WebLinkAboutCDP 01-11; Frye Residence; Drainage Study; 2002-01-30DRAINAGE STUDY
FOR
FRYE RESIDENCE
CDP 01-11
CITY OF CARLSBAD
SAXON ENGINEERING SERVICES
'ARED UNDER THE DIRECT SUPERVISION OF:
f—• DATE J/30/0-U-
KURT M. SAXON RCE 44180
SAXON ENGINEERING SERVICES
1030 CALLE SOMBRA SUITE "A2"
SAN CLEMENTE, CA. 92673
PHONE: (949) 366-2180
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area drain capacity
Worksheet for Circular Channel
Project Description
Project File untitled.fm2
Worksheet pvc
Flow Element Circular Channel
Method Manning's Formula
Solve For Discharge
Input Data
Mannings Coefficient 0.012
Channel Slope 0.010000 ft/ft
Depth 0.33 ft
Diameter 4.00 in
Results
Discharge
Flow Area
Wetted Perimeter
Top Width
Critical Depth
Percent Full
Critical Slope
Velocity
Velocity Head
Specific Energy
Froude Number
Maximum Discharge
Full Flow Capacity
Full Flow, Slope
Flow is subcritical.
0.21 cfs
0.09 ft2
0.98 ft
0.07 ft
0.26 ft
99.00
0.01 1867 ft/ft
2.47 ft/s
0.09 ft
0.42 ft
0.38
0.22 cfs
0.21 cfs
0.01 0857 ft/ft
01/30/02 Flow/Master v5.13
02:44:32 PM Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203) 755-1666 Page 1 of 1
area drain capacity
Worksheet for Circular Channel
Project Description
Project File
Worksheet
Flow Element
Method
Solve For
untitled.fm2
pvc
Circular Channel
Manning's Formula
Discharge
Input Data
Mannings Coefficient
Channel Slope
Depth
Diameter
0.012
0.008000 ft/ft
0.33 ft
4.00 in
Results
Discharge
Flow Area
Wetted Perimeter
Top Width
Critical Depth
Percent Full
Critical Slope
Velocity
Velocity Head
Specific Energy
Froude Number
Maximum Discharge
Full Flow Capacity
Full Flbw Slope •
Flow is subcritical.
0.19 cfs
0.09 ft2
0.98 ft
0.07 ft
0.25 ft
99.00
0.01 071 2 ft/ft
2.21 ft/s
0.08 ft
0.41 ft
0.34
0.20 cfs
0.18 cfs
0.008685 ft/ft
01/30/02
03:09:43 PM Haestad Methods, Inc. 37 Brookside Road Waterbury, CT 06708 (203)755-1666
FlowMaster v5.13
Page 1 of 1
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APPENDIX XI IV-A-14
of /9W • 300 //.
o/ /Ry/7^//. C • . SO
a a
• y. v-x DIEGO COUNTY ., ^.j^-
Il£EPAR™ENT OF SPECIAL DISTRICT SERVICES
DESIGN MANUAL
V-' URBAN AREAS* 0V-ERLAND TIME
OF FLOW CURVES
DATE APPENDIX X-C
RUNOFF COEFFICIENTS (RATIONAL METHOD)
I DEVELOPED AREAS (URBAN)f Coefficient. C
Land Use
Residential:
Single Family
Multi-Units
Mobile Homes
Rural (lots greater than 1/2 acre)
Commercial |2)
80% Impervious
Industrial (21
90% Impervious
Soil Group m
B
.45
.50
.50
.35
c
.50
.60
.55
.40
D
.55
.70
.65
.45
.40
.45
.45
.30
.70 .75 .80 .85
.80 .85 .90 .95
NOTES:
111 Soil Group maps are available at the offices of the Department of Public Works.
(2)Where actual conditions deviate significantly from the tabulated imperviousness
values of 80% or 90%, the values given for coefficient C', may be revised by
multiplying 80% or 90% by the ratio of actual imperviousness to the tabulated
imperviousness. However, in no case shall the final coefficient be less than 0.50.
For example: Consider commercial property on D soil group.
Actual imperviousness = 50%
Tabulated imperviousness = 80%
Revised C = 50 x 0.85 = 0.53
80
APPENDIX IX
Updated 4/93