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GENERAL32562
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GENERAL32562
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Last modified
8/24/2016 7:55:02 PM
Creation date
11/23/2007 7:20:48 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1980110
IBM Index Class Name
General Documents
Doc Name
APPENDIX A CALCULATIONS
Media Type
D
Archive
No
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<br /> <br />TIME OF CONCENTRATION (loo Year) <br />LAND USE = Residential <br />INITIAL STORM = 2 Year <br />(MAJOR STORM = loo Year <br />HISTORIC <br />C = 0.60 (undeveloped) <br />D = 1700 Feet <br />S= (5028-5019)/1700 = 0.5% <br />Tc = i.e i.i - c ,~ <br />Tc = 1.8 (1.1-0.60) 1700 <br />3 0.5 <br />r~ <br />Tc = 46.4 Minutes <br />DEVELOPED <br /> <br />CC= 8.80 (Residential - 1/2 Acre Lots or Larger) <br /> ' <br />D = 1700 Feet <br />$ = 0.5X <br />Tc = l.s (1.1-o.eo) 1700 . <br />3 0.5 <br />Tc = 27.8 Minutes <br />QUEST CONSULTING <br /> <br /> <br /> <br />
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