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− | + | <font size=3>'''Typical maintenance activities for infiltration trenches and infiltration basins'''.</font size><br> | |
− | + | Link to this [[Typical maintenance activities for infiltration trenches|table]] | |
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− | Link to this [[Typical maintenance activities for infiltration trenches|table]] | ||
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<td>Upon Failure</td> | <td>Upon Failure</td> | ||
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− | </ | + | [[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Operation and maintenance]] |
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Typical maintenance activities for infiltration trenches and infiltration basins.
Link to this table
Activity | Schedule |
---|---|
Replace pea gravel/topsoil and top surface filter fabric (when clogged). | As needed |
Ensure that contributing area, practice and inlets are clear of debris. Ensure that the contributing area is stabilized. Remove sediment and oil/grease from pre-treatment devices, as well as overflow structures. Mow grass filter strips should be mowed as necessary. Remove grass clippings. Repair undercut and eroded areas at inflow and outflow structures |
Monthly |
Inspect pre-treatment devices and diversion structures for sediment build-up and structural damage. Remove trees that start to grow in the vicinity of the trench. | Semi-annual Inspection |
Disc or otherwise aerate basin bottom. De-thatch basin bottom. | Annually |
Scrape basin bottom and remove sediment. Restore original crosssection and infiltration rate. Seed or sod to restore ground cover. | Every 5 years |
Perform total rehabilitation of the trench to maintain design storage capacity. Excavate trench walls to expose clean soil | Upon Failure |
This page was last edited on 3 August 2022, at 15:08.