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Overflow: Installation
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===Overflow: installation===
[[Overflow|Overflows]] are features of inline facilities and convey larger storm events out of the LID feature.
[[Overflow|Overflows]] are features of inline facilities and convey larger storm events out of the LID feature.
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'''Mistakes to Avoid:'''
'''Mistakes to Avoid:'''
*Backflows
– ensure
that backflows are avoided by confirming that inlet and overflow elevations match design specifications with surveys.
*Backflows
: Ensure
that backflows are avoided by confirming that inlet and overflow elevations match design specifications with surveys.
*Incorrect sequencing
– install
overflow drain prior to backfilling with granular material and engineered soil.
*Incorrect sequencing
: Install
overflow drain prior to backfilling with granular material and engineered soil.
*Incorrect grate material
– avoid
using plastic overflow grates due to breakages and UV degradation.
*Incorrect grate material
: Avoid
using plastic overflow grates due to breakages and UV degradation.
<gallery mode="packed" widths=300px heights=300px>
<gallery mode="packed" widths=300px heights=300px>
overflow-pipe-install.jpg | Overflow pipe installed to an underdrain T-connection.
overflow-pipe-install.jpg | Overflow pipe installed to an underdrain T-connection.
(Photo Source: CVC, 2010)
overflow-plastic-cap.jpg | Overflow installed with a plastic cap. Note that the use of plastic grates is discouraged.
overflow-plastic-cap.jpg | Overflow installed with a plastic cap. Note that the use of plastic grates is discouraged.
(Photo Source: CVC, 2012)
</gallery>
</gallery>
JamesCowan
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