Infiltration trench/basin – operation and maintenance checklist
Link to this 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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