However, depending on the municipality and the design, compaction of the base course may be required. For example, the [https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf City of Toronto’s Construction Specification for Permeable Interlocking Concrete Pavers]<ref>City of Toronto. 2021. TS 861 Construction Specifications for Permeable Interlocking Concrete Pavers. https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf</ref> details the following steps for base course installation. | However, depending on the municipality and the design, compaction of the base course may be required. For example, the [https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf City of Toronto’s Construction Specification for Permeable Interlocking Concrete Pavers]<ref>City of Toronto. 2021. TS 861 Construction Specifications for Permeable Interlocking Concrete Pavers. https://www.toronto.ca/wp-content/uploads/2021/08/952c-ecs-specs-gi-specs-TS861Sep2021.pdf</ref> details the following steps for base course installation. |