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− | Recommended maintenance activities for media filters | + | <font size=3>'''Recommended maintenance activities for media filters (Sources: WMI, 1997; Pitt, 1997)'''.</font size><br> |
+ | Link to this [[Recommended maintenance activities for media filters|table]] | ||
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<table class="sortable"> | <table class="sortable"> | ||
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<tr> | <tr> | ||
<th>Activity</th> | <th>Activity</th> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
+ | <td> | ||
*Ensure that contributing area, facility, inlets and outlets are clear of debris. | *Ensure that contributing area, facility, inlets and outlets are clear of debris. | ||
*Ensure that the contributing area is stabilized and mowed, with clippings removed. | *Ensure that the contributing area is stabilized and mowed, with clippings removed. | ||
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*Check to ensure that the filter surface is not clogging (also check after storms greater than about 1”). | *Check to ensure that the filter surface is not clogging (also check after storms greater than about 1”). | ||
*Ensure that activities in the drainage area minimize oil/grease and sediment entry to the system. | *Ensure that activities in the drainage area minimize oil/grease and sediment entry to the system. | ||
− | *If permanent water level is present in pre-treatment chamber (e.g., perimeter sand filter), ensure that the chamber does not leak, and normal pool level is retained. | + | *If permanent water level is present in pre-treatment chamber (e.g., perimeter sand filter), ensure that the chamber does not leak, and normal pool level is retained.</td> |
<td>Monthly</td> | <td>Monthly</td> | ||
</tr> | </tr> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td>*Remove and replace the top 2-5 inches of media every 3 to 5 years for low sediment applications, more often for areas of high sediment yield or high oil and grease </td> | + | <td> |
+ | *Remove and replace the top 2-5 inches of media every 3 to 5 years for low sediment applications, more often for areas of high sediment yield or high oil and grease </td> | ||
<td>3 to 5 years</td> | <td>3 to 5 years</td> | ||
</tr> | </tr> | ||
</table> | </table> | ||
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+ | <noinclude> | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Operation and maintenance]] | ||
+ | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Sand filter, iron enhanced sand filter, media filter]] | ||
+ | </noinclude> |
Recommended maintenance activities for media filters (Sources: WMI, 1997; Pitt, 1997).
Link to this table
Activity | Schedule |
---|---|
|
As needed |
|
Monthly |
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Annually |
|
3 to 5 years |
This page was last edited on 4 August 2022, at 16:22.