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| Common construction pitfalls can be avoided with careful construction supervision that focuses on the following aspects: | | Common construction pitfalls can be avoided with careful construction supervision that focuses on the following aspects: |
| <table table class = wikitable> | | <table table class = wikitable> |
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| |
| <tr><th colspan =2>Erosion and Sediment Control</th></tr> | | <tr><th colspan =2>Erosion and Sediment Control</th></tr> |
| <tr><td width = "5%"></td><td>Bioretention locations should be blocked from construction traffic and should not be used for erosion and sediment control</td></tr> | | <tr><td width = "5%"></td><td>Bioretention locations should be blocked from construction traffic and should not be used for erosion and sediment control</td></tr> |
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| <tr><td></td><td>Mulch depth</td></tr> | | <tr><td></td><td>Mulch depth</td></tr> |
| <tr><th colspan =2>Landscaping and Stabilization</th></tr> | | <tr><th colspan =2>Landscaping and Stabilization</th></tr> |
− | <tr><td width = "5%"></td>Correct vegetation should be planted</td></tr> | + | <tr><td width = "5%"></td><td>Correct vegetation should be planted</td></tr> |
| <tr><td></td><td>Pretreatment area should be stabilized</td></tr> | | <tr><td></td><td>Pretreatment area should be stabilized</td></tr> |
| <tr><td></td><td>Drainage area should be stabilized prior to directing water to the bioretention</td></tr> | | <tr><td></td><td>Drainage area should be stabilized prior to directing water to the bioretention</td></tr> |
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| <tr><td></td><td>Ponded water at the surface of the bioretenton facility must drain within 24 hours of the end of the storm event. The filter media bed should fully drain within a maximum period of 72 hours</td></tr> | | <tr><td></td><td>Ponded water at the surface of the bioretenton facility must drain within 24 hours of the end of the storm event. The filter media bed should fully drain within a maximum period of 72 hours</td></tr> |
| <tr><td></td><td>Excessive sediment accumulation should not be present</td></tr> | | <tr><td></td><td>Excessive sediment accumulation should not be present</td></tr> |
| + | </table> |