Recheck to determine if is standing water after 72 hours If standing water is present longer than 5 days, report to mosquito commission. Standing water is present after the Remove any sediment buildup design drain time Y__ 1 Check the soil permeability The observed drain time is N__ approximately _________ hours. Till the soil bed with rotary tiller or disc harrow Replace the planting soil, if necessary B Bed Work # ______________ Y__ Clean pretreatment system Excessive sediment, silt, or 2 accumulation on basin bed N__ Remove silt, sediment, and trash whether the flow bypass or diversion device is clogged Y__ Erosion or channelization is 3 present Re-grade the infiltration bed N__ Work Order # ______________ Y__ Pest control Animal burrows/rodents are 4 present N__ Work Order # __________ Note:
B Bed 1 Standing water is present after the design drain time The observed drain time is approximately _________ hours. Y__ N__ Recheck to determine if is standing water after 72 hours If standing water is present longer than 5 days, report to mosquito commission. Remove any sediment buildup Check the soil permeability Till the soil bed with rotary tiller or disc harrow Replace the planting soil, if necessary Work # ______________ 2 Excessive sediment, silt, or accumulation on basin bed Y__ N__ Clean pretreatment system Remove silt, sediment, and trash 3 Erosion or channelization is present Y__ N__ whether the flow bypass or diversion device is clogged Re-grade the infiltration bed Work Order # ______________ 4 Animal burrows/rodents are present Y__ N__ Pest control Work Order # __________ Note:
10-bioretention-system-main-field-manua-apri-2015.docx