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:'''Freeboard''': It is ''HIGHLY RECOMMENDED'' that two feet of freeboard be provided from the 100-year flood elevation of the infiltration practice to the lowest basement floor elevation of residential, commercial, industrial and institutional buildings located adjacent to the BMP, unless local requirements recommend otherwise. | :'''Freeboard''': It is ''HIGHLY RECOMMENDED'' that two feet of freeboard be provided from the 100-year flood elevation of the infiltration practice to the lowest basement floor elevation of residential, commercial, industrial and institutional buildings located adjacent to the BMP, unless local requirements recommend otherwise. | ||
:'''Drop Structure''': Infiltration trenches or subsurface infiltration systems may be designed with a drop structure sized to handle the overflow. This additional volume of stormwater may be directed into the existing stormwater system or it may be diverted to a downstream BMP. | :'''Drop Structure''': Infiltration trenches or subsurface infiltration systems may be designed with a drop structure sized to handle the overflow. This additional volume of stormwater may be directed into the existing stormwater system or it may be diverted to a downstream BMP. | ||
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+ | [[Category:Level 3 - Best management practices/Structural practices/Infiltration (trench/basin)]] | ||
+ | [[Category:Level 3 - Best management practices/Specifications and details/Design criteria]] |
It is HIGHLY RECOMMENDED that the outlet for the infiltration practice shall safely convey stormwater using all of the following mechanisms (Stormwater post-construction technical standards, Wisconsin Department of Natural Resources Conservation Practice Standard).
This page was last edited on 3 December 2022, at 22:45.