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Infiltration Trench: Life Cycle Costs (view source)
Revision as of 19:29, 22 December 2022
, 1 year ago→Design Assumptions
* Trench width of 2.0 metres.
* Trench width of 2.0 metres.
* Maximum impervious drainage area to permeable surface area (I:P area) ratio of 20:1.
* Maximum impervious drainage area to permeable surface area (I:P area) ratio of 20:1.
* Trench depth of 580 mm and surface area of 198.73 m2 (I:P area ratio of 10:1) on highly permeable native soil (Full Infiltration Design)
* Trench depth of 580 mm and surface area of 198.73 m2 (I:P area ratio of 10:1) on 20 mm/h native soil (Full Infiltration Design)
* Trench depth of 290 mm and surface area of 366.58 m2 (I:P area ratio of 5.5:1) on moderately permeable native soil (Partial Infiltration Design)
* Trench depth of 290 mm and surface area of 366.58 m2 (I:P area ratio of 5.5:1) on 10 mm/h native soil (Partial Infiltration Design)
===Notes===
===Notes===