Infiltration media and material specifications
Link to this table
| 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.
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- 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.
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- 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.
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