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{{#widget:WolframAlpha|id=664012476f5d9635d57cd58920e763e6}}</div>
 
{{#widget:WolframAlpha|id=664012476f5d9635d57cd58920e763e6}}</div>
 
   
 
   
To completely capture linear flow travelling along a gutter perpendicular to a curb inlet, the inlet must be of width::
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To completely capture linear flow travelling along a gutter perpendicular to a curb inlet, the inlet must be of width<ref>Chin (2102), Water-Resources Engineering (3rd Edition), ISBN-13: 978-0132833219</ref>::
 
<math>W_T=0.817Q^{0.42}S_{0}^{0.3}\left (\frac{1}{nS_{x}}\right)^{0.6}</math>
 
<math>W_T=0.817Q^{0.42}S_{0}^{0.3}\left (\frac{1}{nS_{x}}\right)^{0.6}</math>
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*''W'' is the available curb cut width (m)}}
 
*''W'' is the available curb cut width (m)}}
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Where the curb cut width is constrained and a greater flow into the BMP is desired, the effective cross slope may be increased by adding a depressed apron.  
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Where the curb cut width is constrained and a greater flow into the BMP is desired, the effective cross slope may be increased by adding a depressed apron.
    
==Example==
 
==Example==
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