Difference between revisions of "Bioretention: Sizing and modeling"

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<form method="post" action="[[Media:Infiltration Sizing.xlsx]]">
     <button type="success">Download .xlsx tool</button>
     <button type="success">Download .xlsx tool</button>
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<form method="GET" action="http://www.example.com">
<input type="submit" value="Click me!!!">
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Revision as of 16:44, 10 July 2017

  1. Gather input data:
    • The applicable infiltration coefficient (q) is calculated by applying the safety factor to the measured infiltration rate.
    • Determine the drainage catchment area (AD), and outline the location of the bioretention facility. To begin with, budget for at least 10% of the contributing impervious area to be required for the BMP.
    • Unless the biomedia fill material has been tested and certified otherwise, a porosity value (Vr) of 0.4 may be assumed (i.e. void ratio 40%).
    • Bioretention facilities are usually between 0.5 m and 1.25 m deep, owing to construction considerations. Determine the maximum available depth (cc max) from the site constraints. The Infiltration page lists these.
    • Identify the duration (D) and intensity (i) of design storm(s).
  2. Calculate the required area

<ThirdLeft> <panelWarning> Download .xlsx calculation tool </panelWarning> </ThirdLeft><TwoThirdRight></TwoThirdRight><clearFix></clearFix> <clearFix></clearFix>

<a href=Media:Infiltration Sizing.xlsx>Click me!!!</a>

<form method="post" action="Media:Infiltration Sizing.xlsx">

   <button type="success">Download .xlsx tool</button>

</form>

<form method="GET" action="http://www.example.com"> <input type="submit" value="Click me!!!"> </form>