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Inspection and Maintenance: Permeable Pavement (view source)
Revision as of 20:47, 29 September 2022
, 2 years ago→Routine Maintenance - Key Components and I&M Tasks
Optional component; [[Pipes|perforated pipe(s)]] surrounded by [[gravel]] and may be wrapped in [[Geotextile|geotextile filter fabric]]; installed in the base or sub-base gravel layer to collect and convey treated water to an adjacent drainage system or other BMP; may also include a flow restrictor.
Optional component; [[Pipes|perforated pipe(s)]] surrounded by [[gravel]] and may be wrapped in [[Geotextile|geotextile filter fabric]]; installed in the base or sub-base gravel layer to collect and convey treated water to an adjacent drainage system or other BMP; may also include a flow restrictor.
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*Keep pipe and flow restrictor free of obstructions by flushing annually;
*Keep pipe and flow restrictor free of obstructions by flushing as needed;
*Inspect flow restrictor regularly (e.g., biannually to quarterly).
*Inspect flow restrictor regularly (e.g., biannually to quarterly).
|[[File:Underdrain Pass p.p.JPG|310px|thumb|center|The solid section of the sub-drain pipe is not obstructed by sediment, debris or roots and shows no signs of damage.]]
|[[File:Underdrain Pass p.p.JPG|310px|thumb|center|The solid section of the sub-drain pipe is not obstructed by sediment, debris or roots and shows no signs of damage.]]