m |
m |
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Line 16: | Line 16: | ||
<tr> | <tr> | ||
<td>Observation well</td> | <td>Observation well</td> | ||
− | <td colspan=6>*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. | + | <td colspan=6> |
+ | *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 one per 50 ft. of length of infiltration practice. | ||
*Bottom of the cap shall rest on the bottom of the infiltration practice.</td> | *Bottom of the cap shall rest on the bottom of the infiltration practice.</td> | ||
− | <td>*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. | + | <td> |
+ | *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 one per 50 ft. of length of infiltration practice. | ||
*Install at downstream end of all permeable pavement systems >10,000 sf CDA.</td> | *Install at downstream end of all permeable pavement systems >10,000 sf CDA.</td> | ||
− | <td>*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. | + | <td> |
+ | *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 one per 50 ft. of length of infiltration practice. | ||
*Bottom of the cap shall rest on the tree trench bottom.</td> | *Bottom of the cap shall rest on the tree trench bottom.</td> |
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 |
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Observation well |
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