Ausdrain™ Flatbed Leach Drains, otherwise known as absorption trenches or infiltration trenches, are practical, cost-effective and easy to install.

Ausdrain Flatbed Leach Drains offer a highly efficient and eco-friendly solution for effective stormwater management and wastewater dispersal. These innovative drainage systems utilise the 50mm Hexcell Drainage Cell, a durable and lightweight component designed to facilitate rapid water infiltration and provide a stable platform for various applications. The Flatbed Leach Drains not only prevent surface water buildup but also promote natural biological treatment processes, making them ideal for residential, commercial, and industrial projects. With Ausdrain’s expertise in sustainable water management, these cutting-edge solutions ensure a robust, cost-effective, and environmentally responsible approach to handling stormwater and wastewater.

The AUSDRAIN flatbed leach drain system has been approved by councils and regulatory authorities including the Department of Health in Western Australia.

Cross Section – Flatbed Leach Drain

Plan View – Flatbed Leach Drain System

Ausdrain Flatbed Leach Drain Installation Guidelines.

1. Prepare and level the base with 95% proctor density.
2. Carefully install the 50mm Hexcell connected to each other and the stormwater pipe and ensure they are leveled .
3. Wrap the top and side of the 50mm Hexcell (leach drain) including the stormwater pipe with approved geotextile fabric.
4. Prepare and level the backfill (with sand or chosen soil) with 95% proctor density. The thickness may vary and must be approved by the authorised engineer.
5. Landscaping and pavement layer above the backfill.