Stormwater Retention

Drainfield under Commercial Building, Coquitlam, BC

Garibaldi Pumice provided Geotech Aggregate that was placed under the footprint of a commercial building in Coquitlam, BC.  Lightweight pumice aggregate was used to attenuate stormwater flows and allow onsite infiltration.  Stormwater was retained in the drainfield beneath the building allowing increased infiltration and reducing offsite stormwater flows.

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