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7C, Final Draft of I&I Report
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7C, Final Draft of I&I Report
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3/27/2008 1:57:24 PM
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Final Draft of I&I Report
General - Type
Agenda Item
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3/31/2008
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<br />FIGURE 4 ESTIMATION OF INFILTRATION I INFLOW <br /> <br />Meter Shed 1M2 <br /> <br />20,1lin.mi <br /> <br />Estimated Residential Equivalent Connections <br />Inch Miles of Sewer pipe (w/o services) <br /> <br />Method 1 - NOT APPLICABLE FOR TEMPORARY METERS <br /> <br /> <br />Method 2 - Assume early morning low flow is entirely inflitration (clear water) <br /> <br />May - September 2007 <br />8/23/2007 Daily Flow <br />Dry Day - Early Morning Flow <br />Net Wastewater <br /> <br />73,700 jgpd <br />28,800 gpd <br />44,900 gpd <br /> <br />1 ,200 19ph <br /> <br />Infiltration rate: <br /> <br />(EMF/in mil <br /> <br />1,433 gpd/in mi <br /> <br />Wastewater per connection: <br /> <br />#DIV/O! gpd/connection <br /> <br />Peak Flow 8/28/07 <br /> <br />Inflow per in mile <br /> <br />6,400 gph 0.154 mgd <br />3,950 gph 0.095 mgd <br />2,450 gph 0.059 mgd <br /> 0.100 <br /> 0.161mgd <br /> 2.17 <br />#DIV/O! gpd/connection <br />2,925 gpd/in mi <br /> <br />Peak Hour Rate: 08:55 hrs <br />Dry day flow at time <br />tNFLOW <br /> <br />Normal Peak <br />Adjusted Peak <br />Calc. PIA Ratio <br /> <br />Inflow per connection <br /> <br />M2 <br />
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