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− | + | <center><font size=3>• Infiltration trench/basin – operation and maintenance checklist'''.</font size><br> | |
− | <center><font size=3> | + | Link to this [[• Infiltration trench/basin – operation and maintenance checklist|table]]</center> |
− | Link to this [[ | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
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</tr> | </tr> | ||
<tr> | <tr> | ||
− | <th> | + | <th>Maintenance Item</th> |
<th>Satisfactory / Unsatisfactory</th> | <th>Satisfactory / Unsatisfactory</th> | ||
<th>Comments</th> | <th>Comments</th> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <th colspan=3>1. | + | <th colspan=3>1. Debris Cleanout (Monthly)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Contributing areas clean of litter and vegetative debris</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Trench surface clean</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Inflow pipes clear</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Overflow spillway clear</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Inlet area cleanr</td> |
<td> </td> | <td> </td> | ||
+ | <td> </td> | ||
+ | </tr> | ||
+ | |||
<tr> | <tr> | ||
− | <td> | + | <th colspan=3>2. Sediment Traps or Forebays (Annual)</th> |
+ | </tr> | ||
+ | <tr> | ||
+ | <td>Obviously trapping sediment</td> | ||
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Greater than 50% of storage volume remaining</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <th colspan=3> | + | <th colspan=3>3. Dewatering (Monthly)</th> |
+ | </tr> | ||
+ | |||
+ | <tr> | ||
+ | <th colspan=3>4. Vegetation (Monthly)</th> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Mowing done per O&M plan</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Minimum mowing depth not exceeded</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Undesirable vegetation removed</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>No evidence of erosion</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
+ | |||
<tr> | <tr> | ||
− | <td> | + | <td>Fertilized per O&M plan</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
+ | |||
<tr> | <tr> | ||
− | <th colspan=3> | + | <th colspan=3>5. Sediment Cleanout of Trench (Annual)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>No evidence of sedimentation in gravel filter</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Sediment accumulation doesn’t yet require cleanout</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
− | |||
<tr> | <tr> | ||
− | <th colspan=3> | + | <th colspan=3>6. Sediment deposition of Basin (Annual)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Clean of sediment</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Winter accumulation of sand removed each spring</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Contributing drainage area stabilized and free of erosion</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
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<tr> | <tr> | ||
− | <th colspan=3> | + | <th colspan=3>7. Inlets (Annual)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Good condition</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>No evidence of erosion</td> |
− | |||
− | |||
− | |||
− | |||
− | |||
− | |||
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<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
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<tr> | <tr> | ||
− | <th colspan=3> | + | <th colspan=3>8. Outlet/Overflow Spillway (Annual)</th> |
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Good condition, no need for repair</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>No evidence of erosion</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
+ | |||
<tr> | <tr> | ||
− | < | + | <th colspan=3>9. Aggregate Repairs (Annual)</th> |
− | |||
− | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | + | <td>Surface of aggregate clean</td> | |
− | |||
− | |||
− | <td> | ||
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Top layer of stone does not need replacement</td> |
<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
</tr> | </tr> | ||
<tr> | <tr> | ||
− | <td> | + | <td>Trench does not need rehabilitation</td> |
− | |||
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<td> </td> | <td> </td> | ||
<td> </td> | <td> </td> | ||
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</td> | </td> | ||
</tr> | </tr> | ||
+ | |||
+ | |||
</table> | </table> | ||
[[category:table]] | [[category:table]] |
Project: | ||
Location: | ||
Site Status: | ||
Date: | ||
Time: | ||
Inspector: | ||
Maintenance Item | Satisfactory / Unsatisfactory | Comments |
---|---|---|
1. Debris Cleanout (Monthly) | ||
Contributing areas clean of litter and vegetative debris | ||
Trench surface clean | ||
Inflow pipes clear | ||
Overflow spillway clear | ||
Inlet area cleanr | ||
2. Sediment Traps or Forebays (Annual) | ||
Obviously trapping sediment | ||
Greater than 50% of storage volume remaining | ||
3. Dewatering (Monthly) | ||
4. Vegetation (Monthly) | ||
Mowing done per O&M plan | ||
Minimum mowing depth not exceeded | ||
Undesirable vegetation removed | ||
No evidence of erosion | ||
Fertilized per O&M plan | ||
5. Sediment Cleanout of Trench (Annual) | ||
No evidence of sedimentation in gravel filter | ||
Sediment accumulation doesn’t yet require cleanout | ||
6. Sediment deposition of Basin (Annual) | ||
Clean of sediment | ||
Winter accumulation of sand removed each spring | ||
Contributing drainage area stabilized and free of erosion | ||
7. Inlets (Annual) | ||
Good condition | ||
No evidence of erosion | ||
8. Outlet/Overflow Spillway (Annual) | ||
Good condition, no need for repair | ||
No evidence of erosion | ||
9. Aggregate Repairs (Annual) | ||
Surface of aggregate clean | ||
Top layer of stone does not need replacement | ||
Trench does not need rehabilitation | ||
Comments:
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Actions to be taken:
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