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==Permeable pavement sub-base and base course==
==Permeable pavement sub-base and base course==
{{:Permeable pavement sub-base and base course}}


Because permeable pavements may be required to support heavy loads (driveways, laneways, etc.), the sub-base and base course may require compaction to prevent heaving and shifting.
Because permeable pavements may be required to support heavy loads (driveways, laneways, etc.), the sub-base and base course may require compaction to prevent heaving and shifting.

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