Routine inspection and removal of sediment and unwanted vegetation. Issue: Eroded inflow apron Corrective Action: Repair apron. Preventative Action: Routine inspection and rehabilitation, if necessary. Issue: The vegetation loss and the blackish soil may indicate frequent inundation. Corrective Action: Check the permeability rate of the soil and the water table elevation. Replace the soil if necessary. Preventative Action: Routine inspection and tilling/aeration, if necessary. Issue: The low flow channel has excessive accumulation of sediment and debris. The outflow orifice is clogged by a trash bag and debris. Note that there is no trash rack installed. Corrective Action: Check the permeability rate of the soil and the water table elevation. Replace the soil if necessary. Preventative Action: Routine inspection and cleaning. Issue: Trash rack is damaged. Corrective Action: Repair the trash rack. Preventative Action: Routine inspection, especially after large storm events. Tighten any loose bolts and repair structural flaws. A well maintained detention basin
Routine inspection and removal of sediment and unwanted vegetation. Issue: Corrective Action: Preventative Action: Eroded inflow apron Repair apron. Routine inspection and rehabilitation, if necessary. Issue: Corrective Action: Preventative Action: The vegetation loss and the blackish soil may indicate frequent inundation. Check the permeability rate of the soil and the water table elevation. Replace the soil if necessary. Routine inspection and tilling/aeration, if necessary. Issue: Corrective Action: Preventative Action: The low flow channel has excessive accumulation of sediment and debris. The outflow orifice is clogged by a trash bag and debris. Note that there is no trash rack installed. Check the permeability rate of the soil and the water table elevation. Replace the soil if necessary. Routine inspection and cleaning. Issue: Corrective Action: Preventative Action: Trash rack is damaged. Repair the trash rack. Routine inspection, especially after large storm events. Tighten any loose bolts and repair structural flaws. A well maintained detention basin
01-surface-infiltration-basin-maintenance-field-manual-april-2015.docx