- Biofiltration Drainage Layer (base layer)
- Use as a durable, high quality clean aggregate in subsoil and surface drainage applications
Benedict SmartMix®11 NoFines™ Drainage Gravel (NbS)
Benedict SmartMix® 11 – NoFines™ Drainage Gravel (NbS) is manufactured to comply with CRC Adoption Guidelines for Stormwater Biofiltration Systems (July 2015) and Blacktown City Council – Bioretention Specification (Feb 2022), as the drainage layer (third layer/ base). It is a hard, durable and clean drainage aggregate that has excellent hydraulic conductivity.
The biofiltration profile comprises of very specific layers with the necessary characteristics to enhance hydraulic conductivity and ensure optimal bridging. Our SmartMix® Biofiltration profile comprises of three individually manufactured layers that all work together:
SmartMix® 11 – NoFines™ Drainage Gravel (NbS) is sold in conjunction with Benedict SmartMix® 9 Biofiltration Filter Media (NbS) and SmartMix® 10 Biofiltration Transition Sand (NbS)
See the Stormwater Biofiltration Systems
- Co-operative Research Centres (CRC) for Water Sensitive Cities, Adoption
Guidelines for Stormwater Biofiltration Systems (July 2015) as the Drainage Layer (base layer in biofiltration profile).
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