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Bioretention - construction inspection checklist

To access an Excel version of form (for field use), click File:Bioretention - construction inspection checklist.xlsx.

Infiltration practices construction inspection checklist.
Project:
Location:
Site Status:
Date:
Time:
Inspector:
                                                                     Satisfactory /Unsatisfactory                                                                     Comments 
1. Pre-construction
Pre-construction meeting    
Runoff diverted (Note type of bypass)    
Facility area cleared    
Soil tested for permeability    
Soil tested for phosphorus content (include test method)    
Verify site was not overdug    
Project benchmark near site    
Facility location staked out    
Temporary erosion and sediment protection properly installed    
2. Excavation
Lateral slopes completely level    
Soils not compacted during excavation    
Longitudinal slopes within design range    
Stockpile location not adjacent to excavation area and stabilized with vegetation and/ or silt fence    
Verify stockpile is not causing compaction and that it is not eroding    
Was underlying soil ripped or loosened    
3. Structural Components
Stone diaphragm installed per plans    
Outlets installed pre plans    
Underdrain installed to grade    
Pretreatment devices installed per plans    
Soil bed composition and texture conforms to specifications    
4. Vegetation
Complies with planting specs    
Topsoil complies with specs in composition and placement    
Soil properly stabilized for permanent erosion control    
5. Final Inspection
Dimensions per plans    
Pre-treatment operational    
Inlet/outlet operational    
Soil/ filter bed permeability verified    
Effective stand of vegetation stabilized    
Construction generated sediments removed    
Contributing watershed stabilized before flow is diverted to the practice    
Comments:
Actions to be taken: