Infiltration media and material specifications Revision as of 20:58, 29 August 2016 by Mtrojan (talk | contribs)(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) File:Example of a stabilized berm.jpg > Recommendations and guidance for utilizing monitoring to meet TMDL permit requirements > Infiltration media and material specifications

Infiltration media and material specifications
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Component	Infiltration basin	Bioinfiltration basin	Infiltration trench	Underground infiltration	Dry well	Dry swale with check dams	Permeable pavement	Tree trench/box/planter
Observation well	Vertical 4- to 6-inch Schedule 40 PVC perforated pipe according to MNDOT Manual Section 3248 with a lockable cap and anchor plate within gravel portion of bed. Install one per 50 ft. of length of infiltration practice. Bottom of the cap shall rest on the bottom of the infiltration practice.						Vertical 4- to 6-inch Schedule 40 PVC perforated pipe according to MNDOT Manual Section 3248 with a lockable cap and anchor plate within gravel portion of bed. Install one per 50 ft. of length of infiltration practice. Install at downstream end of all permeable pavement systems >10,000 sf CDA.	Vertical 4- to 6-inch Schedule 40 PVC perforated pipe according to MNDOT Manual Section 3248 with a lockable cap and anchor plate within gravel portion of bed. Install one per 50 ft. of length of infiltration practice. Bottom of the cap shall rest on the tree trench bottom.