Download the entire Volume 3 Criteria Manual - Urban Drainage ...
Download the entire Volume 3 Criteria Manual - Urban Drainage ... Download the entire Volume 3 Criteria Manual - Urban Drainage ...
Calculating the WQCV and Volume Reduction Chapter 3 Once the WQCV in watershed inches is found from Figure 3-2 or using Equation 3-1 and/or 3-2, the required BMP storage volume in acre-feet can be calculated as follows: Where: V = WQCV A Equation 3-3 12 V A WQCV = required storage volume (acre-ft) = tributary catchment area upstream (acres) = Water Quality Capture Volume (watershed inches) Figure 3-2. Water Quality Capture Volume (WQCV) Based on BMP Drain Time 3-6 Urban Drainage and Flood Control District August 2011 Urban Storm Drainage Criteria Manual Volume 3
Chapter 3 Calculating the WQCV and Volume Reduction Figure 3-3. Watershed Imperviousness, Single Family Residential Ranch Style Houses (Note: approximate area based on Tax Assessor's data, not actual "footprint" of homes.) August 2011 Urban Drainage and Flood Control District 3-7 Urban Storm Drainage Criteria Manual Volume 3
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Chapter 3<br />
Calculating <strong>the</strong> WQCV and <strong>Volume</strong> Reduction<br />
Figure 3-3. Watershed Imperviousness, Single Family Residential Ranch Style Houses<br />
(Note: approximate area based on Tax Assessor's data, not actual "footprint" of homes.)<br />
August 2011 <strong>Urban</strong> <strong>Drainage</strong> and Flood Control District 3-7<br />
<strong>Urban</strong> Storm <strong>Drainage</strong> <strong>Criteria</strong> <strong>Manual</strong> <strong>Volume</strong> 3
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