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City of Auburn - Auburn, California


When the City of Auburn, California decided it had to do something about subsurface drainage under their streets, they turned to Multi-Flow. They liked the fact that that they could get by with a narrow trench. This meant that less spoil need to be carried away and less backfill aggregate needed to be carried in. There was also likely to be minimal traffic disruption.

A rock wheel trencher was used to cut through the asphalt pavement and gravel base. The compacted base was surprisingly wet and in need of drainage.

Both six and eighteen inch Multi-Flow were used in the project. The Multi-Flow was attached to PVC pipes for transport to the storm water system. This historic gold rush city might not have streets paved with gold, but with a well drained base, its pavement should last a good long time!