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Vegetated Filter Strip: Life Cycle Costs (view source)
Revision as of 20:08, 10 January 2023
, 1 year ago→Design Assumptions
* 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===