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Combined display of all available logs of LID SWM Planning and Design Guide. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).

• 18:48, 3 August 2022 Kyle menken talk contribs created page Sub-grade (Created page with "The term “sub-grade” refers to the excavated bottom of native soils that forms the bottom of a ground-level LID practice. Excavation to the subgrade will differ depending on whether the design is for an infiltrating or a non-infiltrating LID system. If it’s an infiltrating practice, the sub-grade should be as level as possible to promote even infiltration across the facility’s footprint. For non-infiltrating practices, excavate sub-grade slopes to the design gra...")