ICPI Issue 2 2019

4 inches (100 mm) of ASTM No. 57 on 6 inches (150 mm) of ASTM No. 2. We reviewed more readily available local aggregates and substituted them when we had difficulty finding the originally specified aggregates,” he adds. “Our stakeholders recognized that permeable pavers are best practice for this use and the subgrade was fairly permeable because it was a former creek bed with gravelly, sandy soils,” says Mr. Lozier. “Pavers were also attractive because the project included some reconstruction of underground utilities, and city representatives liked the idea that future maintenance could be easier because pavers can be removed and

Pavers surround and enhance utility covers on the sidewalk.

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