Start at the roof
Estimate roof catchment and identify where downpipes can be routed cleanly without compromising architectural or waterproofing details.
Separate runoff from contamination
First-flush arrangements and appropriate filtration can help keep initial roof runoff from entering storage or recharge systems.
Coordinate recharge and storage
The right system depends on site conditions, water demand, soil and local requirements. Design it with the plumbing and site drainage plan.
Plan maintenance
Provide accessible inspection and cleaning points. A rainwater system is useful only when it remains maintainable.
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