2,683
edits
Changes
Jump to navigation
Jump to search
Line 44:
Line 44: − +
→Choker course
===Reservoir gravel===
===Reservoir gravel===
{{:Reservoir gravel}}
{{:Reservoir gravel}}
===Choker course===
===Choker layer===
{{:Choker layer}} Geotextiles may be used to separate the underdrain from native soils on the vertical faces.
{{:Choker layer}} Geotextiles may be used to separate the underdrain from native soils on the vertical faces.