Line 1: |
Line 1: |
− | [[File:Stormwater planter pu.png|thumb|An above ground planter with downspout and overflow illustrated.]]
| |
| <imagemap> | | <imagemap> |
| Image:Stormwater planter.png|thumb|700 px|This is an image map of a stormwater planter, clicking on components will load the appropriate article. | | Image:Stormwater planter.png|thumb|700 px|This is an image map of a stormwater planter, clicking on components will load the appropriate article. |
Line 10: |
Line 9: |
| rect 480 400 534 517 [[Forebays]] | | rect 480 400 534 517 [[Forebays]] |
| circle 190 169 26 [[Overflow]] | | circle 190 169 26 [[Overflow]] |
− | rect 188 1298 156 1071 [[Overflow]] | + | rect 152 1166 340 1189 [[mulch]] |
− | rect 200 1118 498 1146 [[Mulch]] | + | rect 65 1164 538 1190 [[mulch]] |
− | rect 195 1151 528 1235 [[Bioretention:_Filter_media|Filter media]] | + | rect 341 1104 363 1303 [[Overflow]] |
− | rect 195 1235 528 1250 [[Choking layer]] | + | rect 152 1191 339 1301 [[Biomedia]] |
− | rect 195 1250 528 1305 [[Reservoir_gravel|Reservoir]] | + | rect 366 1194 541 1302 [[Biomedia]] |
| + | poly 162 1305 533 1307 352 1343 [[Underdrains]] |
| + | rect 229 1162 151 1079 [[Grasses]] |
| + | rect 227 1019 340 1164 [[Perennials]] |
| + | rect 369 972 483 1162 [[Shrubs]] |
| + | poly 139 1158 149 1155 151 1303 352 1343 542 1305 541 1165 550 1161 553 1311 354 1355 139 1311 [[Liner]] |
| </imagemap> | | </imagemap> |
| + | [[File:Stormwater planter pu.png|thumb|An above ground planter with downspout and overflow illustrated.]] |
| Over subsurface infrastructure, soils prone to subsidence, or pollution hotspots, it may be necessary to prevent all [[infiltration]]. These BMPs can also be squeezed into tight urban spaces, adjacent to buildings and within the usual setbacks required for infiltrating facilities. Stormwater planters can also be used as a means of providing building-integrated LID by capturing a portion of the rainwater from the rooftop. | | Over subsurface infrastructure, soils prone to subsidence, or pollution hotspots, it may be necessary to prevent all [[infiltration]]. These BMPs can also be squeezed into tight urban spaces, adjacent to buildings and within the usual setbacks required for infiltrating facilities. Stormwater planters can also be used as a means of providing building-integrated LID by capturing a portion of the rainwater from the rooftop. |
− | | + | This type of cell can be constructed above grade in any waterproof and structurally sound container, e.g. in cast concrete or a metal tank. |
| + | {{TOClimit|2}} |
| ==Overview== | | ==Overview== |
| {{textbox|Stormwater planters are an ideal technology for: | | {{textbox|Stormwater planters are an ideal technology for: |
Line 29: |
Line 35: |
| '''The design may benefit from:''' | | '''The design may benefit from:''' |
| *A [[level spreaders| level spreader]] | | *A [[level spreaders| level spreader]] |
| + | |
| | | |
| ==Planning Considerations== | | ==Planning Considerations== |
| + | Stormwater Planters are a type of bioretention practice. Please defer to planning considerations in [[Bioretention]] |
| | | |
| ==Design== | | ==Design== |
− | [[Underdrain#Underdrains for non-exfiltrating practices]] | + | {{:Planters: Sizing}} |
| + | |
| + | ===Storage media=== |
| + | [[filter media]] |
| + | |
| + | ===Underdrain=== |
| + | Stormwater planters differ from full and/or partial infiltration [[bioretention]] practices in that the storage function is provided only by the [[water retention capacity]] of the [[filter media]]. As such, there is no storage reservoir and the only purpose to the aggregate layer is to drain water to the perforated [[pipe]]. For this, a medium aggregate as described in [[choker layer]] is recommended as it negates the need for a separating layer to the filter media. Design details can be found here [[Underdrains#Underdrains for non-exfiltrating practices|Underdrains]] for non-exfiltrationg practices. |
| + | |
| + | ===Planting=== |
| + | *Planters must be designed in a way that insulates the soil through freezing temperatures, or plant species that can survive the winter season in raised planters must be used. |
| + | *Stormwater planters routinely capture only rainwater flowing from adjacent rooftops. This means that [[salt]] may be less of a concern than in [[Bioretention: Parking lots]] or [[Bioretention: Streetscapes]]. |
| + | *The [[plant lists]] are still a good place to start when selecting species for LID in Ontario. |
| + | *A more formal aesthetic for the planting design is appropriate for the urban hardscape setting. |
| + | |
| + | ===Liners=== |
| + | {{:Liner}} |
| + | |
| + | ==Surface== |
| + | As stormwater planters are often quite small and receive very rapid flow, both a [[level spreader]] and the use of [[stone]] mulch are strongly recommended. |
| | | |
| ==Gallery== | | ==Gallery== |
Line 39: |
Line 65: |
| | | |
| ==Performance== | | ==Performance== |
− | This performance related section is due to be updated throughout 2018 as STEP perform a literature review of all common LID performance metrics.
| + | {{:lit review}} |
− | Water quality <ref>Macnamara, J.; Derry, C. Pollution Removal Performance of Laboratory Simulations of Sydney’s Street Stormwater Biofilters. Water 2017, 9, 907.;doi:10.3390/w9110907</ref> | + | ===Hydrology=== |
| + | |
| + | <ref>Davis, Allen P., Robert G. Traver, William F. Hunt, Ryan Lee, Robert A. Brown, and Jennifer M. Olszewski. “Hydrologic Performance of Bioretention Storm-Water Control Measures.” Journal of Hydrologic Engineering 17, no. 5 (May 2012): 604–14. doi:10.1061/(ASCE)HE.1943-5584.0000467.</ref> |
| + | <ref>Yeakley, J.A., and K.K. Norton. “Performance Assessment of Three Types of Rainwater Detention Structures for an Urban Development in Wilsonville, Oregon, USA,” 70. Portland, 2009.</ref> |
| + | |
| + | ===Water quality=== |
| + | <ref>Macnamara, J.; Derry, C. Pollution Removal Performance of Laboratory Simulations of Sydney’s Street Stormwater Biofilters. Water 2017, 9, 907.;doi:10.3390/w9110907</ref> |
| <ref>Lucke, T., & Nichols, P. W. B. (2015). The pollution removal and stormwater reduction performance of street-side bioretention basins after ten years in operation. Science of The Total Environment, 536, 784–792. https://doi.org/10.1016/J.SCITOTENV.2015.07.142</ref> | | <ref>Lucke, T., & Nichols, P. W. B. (2015). The pollution removal and stormwater reduction performance of street-side bioretention basins after ten years in operation. Science of The Total Environment, 536, 784–792. https://doi.org/10.1016/J.SCITOTENV.2015.07.142</ref> |
| <ref>Macnamara, J.; Derry, C. Pollution Removal Performance of Laboratory Simulations of Sydney’s Street Stormwater Biofilters. Water 2017, 9, 907. doi:10.3390/w9110907</ref> | | <ref>Macnamara, J.; Derry, C. Pollution Removal Performance of Laboratory Simulations of Sydney’s Street Stormwater Biofilters. Water 2017, 9, 907. doi:10.3390/w9110907</ref> |
| | | |
| ==See Also== | | ==See Also== |
− | *[[Bioretention cells]] | + | *[[Bioretention: Parking lots]] |
− | *[[Extended tree pits]] | + | *[[Bioretention: Streetscapes]] |
− | *[[Curb extensions]]
| |
| ---- | | ---- |
| *[[Shrubs: List|Shrubs]] | | *[[Shrubs: List|Shrubs]] |
Line 55: |
Line 86: |
| *[[Overflow]] | | *[[Overflow]] |
| *[[Mulch]] | | *[[Mulch]] |
− | *[[Bioretention:_Filter_media|Filter media]] | + | *[[Filter media]] |
| *[[Choking layer]] | | *[[Choking layer]] |
| *[[Reservoir_gravel|Reservoir]] | | *[[Reservoir_gravel|Reservoir]] |