Changes

* Maximum acceptable impervious drainage area to pervious footprint area ratio of 4:1.

* Maximum acceptable impervious drainage area to pervious footprint area ratio of 4:1.

* Swale (0.3 m depth) and ditch inlet catch basin connected to storm sewer as outlet.

* Swale (0.3 m depth) and ditch inlet catch basin connected to storm sewer as outlet.

* Operation and maintenance (O&M) cost estimates assume annual inspections, removal of trash and debris twice a year, removal of sediment from outlet catch basin annually, mowing five times a year, removal of weeds twice a year, and core aeration of filter strip surface every 5 years. Verification inspections are included every 5 years to confirm adequate maintenance.

* Operation and maintenance (O&M) cost estimates assume annual inspections, removal of trash and debris twice a year, removal of sediment from curb inlets and outlet catch basin annually, mowing five times a year, removal of weeds twice a year, and core aeration of filter strip surface every 5 years. Verification inspections are included every 5 years to confirm adequate maintenance.

===Notes===

===Notes===