Infiltration basin - system construction inspection checklist
Link to this table
| Project: | ||
| Location: | ||
| Site Status: | ||
| Date: | ||
| Time: | ||
| Inspector: | ||
| Construction Sequence | Satisfactory / Unsatisfactory | Comments |
|---|---|---|
| 1. Pre-Construction | ||
| Pre-construction meeting | ||
| Runoff diverted | ||
| Soil permeability verified | ||
| Groundwater / bedrock verified | ||
| Project benchmark established | ||
| Facility location staked out | ||
| Temporary erosion and sediment control established | ||
| 2. Excavation | ||
| Size and location per plans | ||
| Side slopes stable | ||
| Depth adjusted to soil layer with specified soil type and permeability | ||
| Sub-soil not adjacent to excavation area and stabilized with vegetation and/ or silt fence | ||
| Stockpile location not adjacent to excavation area and stabilized with vegetation and/ or silt fence | ||
| 3. Filter Fabric Placement | ||
| Fabric per specificationss | ||
| Placed per plan location | ||
| 4. Aggregate Material | ||
| Size as specified | ||
| Clean / washed material | ||
| Placed properly | ||
| 5. Observation Well | ||
| Pipe size per plans | ||
| Under-drain installed per plans | ||
| Inlet installed per plans | ||
| Pre-treatment devices installed per plans | ||
| 6. Vegetation | ||
| Complies with planting specifications | ||
| Topsoil complies with composition and placement in specifications | ||
| Permanent erosion control measures in place | ||
| 7. Final Inspection | ||
| Dimensions per plans | ||
| Check dams operational | ||
| Inlet / outlet operational | ||
| Effective stand of vegetation and stabilization | ||
| Contributing watershed stabilized before flow is routed to the facility | ||
| Comments:
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| Actions to be taken:
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