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Line 9: + + + + + + + + + + + + + − <tr><th colspan =2>Materials</th></tr> − <tr><td width = "5%"></td><td>Gravel for the underdrain should be clean and washed; no fines should be present in the material</td></tr> − <tr><td></td><td>Underdrain pipe material should be perforated and of the correct size (when specified in design)</td></tr> − <tr><td></td><td>A cap should be placed on the upstream (but not the downstream) end of the underdrain (when specified in design)</td></tr> − <tr><td></td><td>Biomedia should be tested to confirm that it meets specifications</td></tr> − <tr><td></td><td>Mulch composition should be correct</td></tr>
Bioretention: Construction checklist (view source)
Revision as of 00:01, 5 September 2017
, 7 years agono edit summary
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|Proper erosion and sediment controls should be in place for the drainage area
|Proper erosion and sediment controls should be in place for the drainage area
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!colspan =2|Materials
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|style="width:30px"|
|Gravel for the underdrain should be clean and washed; no fines should be present in the material
||
|Underdrain pipe material should be perforated and of the correct size (when specified in design)
||
|A cap should be placed on the upstream (but not the downstream) end of the underdrain (when specified in design)
||
|Biomedia should be tested to confirm that it meets specifications
||
|Mulch composition should be correct
|}
|}
<tr><th colspan =2>Elevations</th></tr>
<tr><th colspan =2>Elevations</th></tr>
<tr><td width = "5%"></td><td>Depth of the gravel and invert of the underdrain</td></tr>
<tr><td width = "5%"></td><td>Depth of the gravel and invert of the underdrain</td></tr>