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→Overview
*[[pretreatment| pre-treatment devices]] to retain coarse sediment, trash, debris and floatables,
*[[pretreatment| pre-treatment devices]] to retain coarse sediment, trash, debris and floatables,
*perforated [[pipes]] embedded in washed gravel connected to maintenance holes and catch basins,
*perforated [[pipes]] embedded in washed gravel connected to maintenance holes and catch basins,
*a gently sloping granular [[reservoir aggregate| storage reservoir]] below the perforated pipe.
*a gently sloping granular [[reservoir aggregate| storage reservoir]] below the perforated pipe that may include trench plugs.
'''Optional components include:'''
'''Optional components include:'''
*[[Geotextile]] to prevent migration of fines into the reservoir;
*[[Geotextile]] to prevent migration of fines into the reservoir;