Project assistance

Design tools

Interactive calculators to size rainwater storage, stormwater detention and pump systems - built on the same engineering logic our team uses in the field.

Water footprint

Live

Estimate household direct and virtual water use, then see where a rainwater tank cuts the load.

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Rainwater tank sizer

Live

Monthly water-balance sizing from live BOM rainfall, roof catchment and demand.

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Tank volume converter

Live

Convert cylinder or rectangular tank dimensions to litres and match GRAF capacity bands.

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Pipe friction loss

Live

Hazen-Williams head loss through PE rising mains for system design.

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Pump station packager

Live

Wet-well volume, duty head, ranked pumps and accessories for stormwater and wastewater stations.

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kPa ? metres head

Live

Convert pump pressure in kilopascals to metres of head, or reverse for duty checks.

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OSD calculator

Live

On-site detention volume, SSR and orifice sizing for council stormwater controls.

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Stormwater network

Live

Catchment-to-pipe network sizing with Manning flow checks.

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WSUD suite

Live

Rain gardens, bioretention, swales, infiltration and underground detention in one toolkit.

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HAURATON product finder

Live

Surface and sports drainage product finders for RECYFIX, KERBFIX, DRAINFIX and SPORTFIX ranges.

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Need a full package sized by our team? Request a quote and we will take it from there.

Ready to size your system?

Tell us about your site and water needs - we'll recommend the right products and configuration.

Request a quote