Geberit cuts project costs with new SuperTube drainage system

Geberit has announced the launch of the new SuperTube flow-optimised hydraulic drainage system for high-rise buildings.

The new system has the potential to drastically cut project costs by saving around 35% of the space allocated for a parallel vented dual stack system.

The new Geberit SuperTube system combines the existing 12 l/s flow-optimised HDPE Geberit Sovent (d110) with two new bends – BottomTurn and BackFlip – which remove the need for a vent pipe by generating a constant air stream through intelligent design.

Enabling pipework with a smaller, consistent diameter of d110, the combined single stack system offers potential space savings of up to 20% in the duct and 40% in the ceiling void, maximising the saleable or rental space available.

With a maximum discharge capacity of 12 l/s, Geberit SuperTube also offers horizontal pipelines of up to six metres without slopes, thanks to the design of the BottomTurn bend which reduces impulse losses during transition from the vertical to horizontal. All this with simple planning and quick installation too.

The system was recently installed in Egypt, where contractors calculated more than £1million (€1.1million) in extra potential sales revenue, made possible by reducing the space needed behind the wall to maximise the saleable floor and living space over 23 floors.

In this example, Supertube used around 50% of the space originally allocated for a triple stack system in a prestigious development comprising a large residential tower and hotel. Whilst this particular system is not common in the UK, significant space and cost savings are still achievable by removing the need for a vent pipe.

With so many tall buildings planned in the capital, it is crucial for consultants to specify the right building service solutions. Greg Austin, Assistant Product Manager for Drainage at Geberit, said: “The rapid evolution of flow-optimised single stack drainage systems for wastewater in high-rise buildings has meant there are no UK standards specifically applicable to support consultants in their specification design choices. It’s down to manufacturers like Geberit, as specialists in drainage technology, to put forward innovative solutions with clear and demonstrable benefits.”

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