133
edits
Changes
Jump to navigation
Jump to search
Line 53:
Line 53: − +
no edit summary
|'''[[Dry swale]] (Bioswale)'''
|'''[[Dry swale]] (Bioswale)'''
|1
|1
|5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used) Building foundation,<br> Underground utilities, Drinking<br>Water Wellhead Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating)
|5:1 to 15:1||Underdrain recommended <br> if < 15 mm/hr||1 to 3||5 to 10||0.5 to 6||No (infiltrating); Yes (non-infiltrating)||4m (3m if impermeable liner<br>is used) Building foundation,<br> Underground utilities,<br> Drinking Water Wellhead Protection Areas||Yes||2 Yr (infiltrating); None (non-infiltrating)
|-
|-
|'''[[Perforated pipe system]]'''
|'''[[Perforated pipe system]]'''