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'''Stormwater Management Strategy'''
'''Stormwater Management Strategy'''
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*Use a combination of increased topsoil depths, perforated storm sewers, stormwater management facility, and an infiltration facility to provide quality, quantity, and reduce runoff volumes to match pre-development.
+
#Use a combination of increased topsoil depths, perforated storm sewers, stormwater management facility, and an infiltration facility to provide quality, quantity, and reduce runoff volumes to match pre-development.
−
*Even with favorable soils and maximum use of infiltration techniques, site still requires quantity control storage for large storm events.
+
#Even with favorable soils and maximum use of infiltration techniques, site still requires quantity control storage for large storm events.
<h3>Example 3: 3775-4005 Dundas St West (includes 2-6 Humber Hill Ave), Toronto</h3>
<h3>Example 3: 3775-4005 Dundas St West (includes 2-6 Humber Hill Ave), Toronto</h3>
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'''Stormwater Strategy'''
'''Stormwater Strategy'''
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*Large portion of the roof proposed as green roof and cistern proposed in underground parking to capture remaining volume to meet 5 mm target. Water to be used for irrigation and carwash stations.
+
#Large portion of the roof proposed as green roof and cistern proposed in underground parking to capture remaining volume to meet 5 mm target. Water to be used for irrigation and carwash stations.
−
*Quality target achieved as majority of site is ‘clean’ roof water or directed to pervious area. Underground storage tank provided to satisfy municipal release rates to receiving storm sewer system.
+
#Quality target achieved as majority of site is ‘clean’ roof water or directed to pervious area. Underground storage tank provided to satisfy municipal release rates to receiving storm sewer system.
−
*Final design required both LIDs to reduce the overall runoff volumes, but also sub-surface storage chambers to provide quantity control to meet municipal requirements.
+
#Final design required both LIDs to reduce the overall runoff volumes, but also sub-surface storage chambers to provide quantity control to meet municipal requirements.
−
Due to underground parking limited opportunities for infiltration LIDs but used green roof to promote evapotranspiration, and cistern to reduce runoff volumes.
+
Due to underground parking limited opportunities for infiltration LIDs but used green roof to promote evapotranspiration, and cistern to reduce runoff volumes.
==Data Analysis/Modelling==
==Data Analysis/Modelling==