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Infiltration basin - system construction inspection checklist

Infiltration basin - system construction inspection checklist.
  Construction Sequence Satisfactory / Unsatisfactory Comments
Project Information Project:
Location:
Site Status:
Date:
Time:
Inspector:
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. Embankment Anti-seep collar or filter diaphragm per plans    
Fill material per specifications    
4. Final Excavation Drainage area stabilized    
Sediment removed from facility    
Basin floor tilled    
Facility stabilized    
Removable cap / footplate per plans    
Initial depth = feet    
5. Final Inspection Pre-treatment facility operational    
Contributing watershed stabilized prior to flow diversion    
Inlet and outlet operational    
Comments:
Actions to be taken: