*The City of Kitchener has standard details for [https://www.kitchener.ca/en/resourcesGeneral/Documents/DSD_ENG_C-of-K---Standard-Specifications_November-2017.pdf pervious concrete pavement, precast permeable interlocking pavement and permeable pipe exfiltration systems]<ref>https://www.kitchener.ca/en/resourcesGeneral/Documents/DSD_ENG_C-of-K---Standard-Specifications_November-2017.pdf</ref>. | *The City of Kitchener has standard details for [https://www.kitchener.ca/en/resourcesGeneral/Documents/DSD_ENG_C-of-K---Standard-Specifications_November-2017.pdf pervious concrete pavement, precast permeable interlocking pavement and permeable pipe exfiltration systems]<ref>https://www.kitchener.ca/en/resourcesGeneral/Documents/DSD_ENG_C-of-K---Standard-Specifications_November-2017.pdf</ref>. |