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p <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> I <br /> $ <br /> Table V-4.5.2(21) Maintenance Standards - Bioretention Facilities ;I <br /> Recommended Fre- Condition <br /> uenc when Main- <br /> Maintenance quency a Action Needed (Pro- <br /> tenance is <br /> Component Routine •Main- cedures) J <br /> Inspection Needed (Stand- <br /> ards) <br /> Facility Footprint 1 <br /> . Eliminate cause of <br /> Erosion (gullies/ erosion and stabilize is <br /> rills)greater damaged area IF <br /> Earthen side than 2 inches (regrade, rock, veget- <br /> slopes and B, S deep around ation, erosion control <br /> berms inlets, outlet, matting) 1 <br /> and alongside . For deep channels <br /> slopes or cuts (over 3 1' <br /> inches in ponding <br /> II <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume V- Chapter 4-Page 862 I <br />