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Vegetated Filter Strip: Life Cycle Costs (view source)
Revision as of 19:03, 10 March 2023
, 1 year ago→Design Assumptions
Design and operation and maintenance program assumptions used to generate cost estimates are based on tool default values and the following STEP recommendations:
Design and operation and maintenance program assumptions used to generate cost estimates are based on tool default values and the following STEP recommendations:
* Filter strip length of 5 metres.
* Filter strip length of 5 metres and width of 100 metres.
* 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.