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Line 235: |colspan="4"| Notes:1. Runoff reduction estimates are based on differences between runoff volume from the practice and total precipitation over the period of monitoring unless otherwise.2. Runoff reduction estimates are based on differences in runoff volume between the practice and a conventional impervious surface over the period of monitoring.3. This estimate is provided only for the purpose of initial screening of LID practices suitable for achieving stormwater management objectives and targets. Performance of individual facilities will vary depending on site specific contexts and facility design parameters and should be estimated as part of the design process and submitted with other documentation for review by the approval authority.4. In this study, there was no underdrain in the pavement base, but an underdrain was located 1 m below the native soils to allow for sampling of infiltrated water. Temporary water storage fluctuations in the base were similar to those expected in a no underdrain design.
→Water Balance
|style="text-align: center;" |Vaughan, Ontario
|style="text-align: center;" |Vaughan, Ontario
|style="text-align: center;" |45%<sup>2</sup>
|style="text-align: center;" |45%<sup>2</sup>
|style="text-align: center;" |Van Seters and Drake (2015)
|style="text-align: center;" |[https://sustainabletechnologies.ca/app/uploads/2016/02/KPP-Ext_FinalReport_Dec2015.pdf/ Van Seters and Drake (2015)]
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|style="text-align: center;" |North Carolina
|style="text-align: center;" |North Carolina
|style="text-align: center;" |98 to 99%
|style="text-align: center;" |98 to 99%
|style="text-align: center;" |Collins et al. (2008)
|style="text-align: center;" |Collins et al. (2008)<ref>Collins, K., W. Hunt and J. Hathaway. 2008. Hydrologic comparison of four types of permeable pavement and standard asphalt in eastern North Carolina. Journal of Hydrologic Engineering. </ref>
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|style="text-align: center;" |United Kingdom
|style="text-align: center;" |United Kingdom
|style="text-align: center;" |50%
|style="text-align: center;" |50%
|style="text-align: center;" |Jefferies (2004)
|style="text-align: center;" |Jefferies (2004)<ref>Jefferies, C. 2004. Sustainable drainage systems in Scotland: the monitoring
programme. Scottish Universities SUDS Monitoring Project. Dundee, Scotland</ref>
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|style="text-align: center;" |United Kingdom
|style="text-align: center;" |United Kingdom
|style="text-align: center;" |53 to 66%
|style="text-align: center;" |53 to 66%
|style="text-align: center;" |Pratt ''et al.'' (1995)
|style="text-align: center;" |Pratt ''et al.'' (1995)<ref>Pratt, C.J., Mantle, J.D.G., Schofield, P.A. 1995. UK research into the performance of permeable pavement reservoir structures in controlling stormwater discharge quantity and quality. Water Science Technology. Vol. 32. No. 1. pp. 63-69.</ref>
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|style="text-align: center;" |Maryland
|style="text-align: center;" |Maryland
|style="text-align: center;" |45% to 60%
|style="text-align: center;" |45% to 60%
|style="text-align: center;" |Schueler ''et al.'' (1987)
|style="text-align: center;" |Schueler ''et al.'' (1987)<ref>Schueler, T. 1987. Controlling urban runoff: a practical manual for planning and designing urban BMPs. Metropolitan Washington Council of Governments. Washington, DC. </ref>
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|style="text-align: center;" |Mississauga
|style="text-align: center;" |Mississauga
|style="text-align: center;" |61 to 99%
|style="text-align: center;" |61 to 99%
|style="text-align: center;" |CVC (2018)
|style="text-align: center;" |[https://cvc.ca/wp-content/uploads/2018/05/IMAX-Low-Impact-Development-Monitoring-Case-Study-may-24.pdf/ CVC (2018)]
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| colspan="2" style="text-align: center;" |'''<u><span title="Note: This estimate is provided only for the purpose of initial screening of LID practices suitable for achieving stormwater management objectives and targets. Performance of individual facilities will vary depending on site specific contexts and facility design parameters and should be estimated as part of the design process and submitted with other documentation for review by the approval authority." >Runoff Reduction Estimate*</span></u>'''
| colspan="2" style="text-align: center;" |'''<u><span title="Note: This estimate is provided only for the purpose of initial screening of LID practices suitable for achieving stormwater management objectives and targets. Performance of individual facilities will vary depending on site specific contexts and facility design parameters and should be estimated as part of the design process and submitted with other documentation for review by the approval authority." >Runoff Reduction Estimate*</span></u>'''
'''45% with underdrain'''
'''45% with underdrain'''
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