Bio-Retention Drainage Aggregate

Bio-Retention Drainage Aggregate
Bio-Retention Drainage Aggregate

50-150mm cover over the drainage pipe or as specified. Typically 5-7mm grading or as specified in the engineering design, a clean fine gravel that collects treated water at the bottom of the bioretention system and convey treated water to the underdrain pipes.

Applications
  • Drainage gravel in Bio-retention systems
Specifications
  • FAWB Guidelines

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