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→Curb cuts
Where the curb alignment along the street is straight, the curb opening may optionally have a bar across the top of the inlet.
Where the curb alignment along the street is straight, the curb opening may optionally have a bar across the top of the inlet.
See [[Curb cuts]] for further details and references to Ontario Provincial Standard Drawings.
<gallery mode="packed" widths=200px heights=200px>
<gallery mode="packed" widths=200px heights=200px>
County Court Blvd biofilter spillway inlet and CB overflow.jpg|OPSD 605.040 Asphalt Spillway inlet to biofilter swale and road catch basin overflow outlet. County Court Blvd., Brampton, ON.
County Court Blvd biofilter spillway inlet and CB overflow.jpg|OPSD 605.040 Asphalt Spillway inlet to biofilter swale and road catch basin overflow outlet. County Court Blvd., Brampton, ON.
Sump inlets should not be sited where pedestrians will have to negotiate with them.
Sump inlets should not be sited where pedestrians will have to negotiate with them.
{{:Inlet sumps: Gallery}}
{{:Inlet sumps: Gallery}}
==Street gutter drains==
==Depressed drains==
Runoff in the gutter drops into a grate-covered drain before flowing into the BMP. Drain covers must be compatible with bicycling and walking; grid covers are preferred.
Runoff in the gutter drops into a grate-covered drain before flowing into the BMP. Drain covers must be compatible with bicycling and walking; grid covers are preferred.
Depressed drains are a potential solution for bioretention cells on sloped streets where directing runoff into the cell is a challenge.
Depressed drains are a potential solution for bioretention cells on sloped streets where directing runoff into the cell is a challenge.
This style of inlet can be combined with a curb cut, to maintain capacity in case debris clogs the grate.
This style of inlet can be combined with a curb cut, to maintain capacity in case debris clogs the grate.
{{:Street gutter drains: Gallery}}
{{Trench drains: Gallery}}
==External links==
==External links==
https://nacto.org/publication/urban-street-stormwater-guide/stormwater-elements/bioretention-design-considerations/inlet-design/
https://nacto.org/publication/urban-street-stormwater-guide/stormwater-elements/bioretention-design-considerations/inlet-design/