Dutch conference centre joins rainwater harvesting scheme

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A conference centre in Rotterdam is hoping to use harvested rainwater for cleaning as part of a project aimed at preparing the city for climate change.

The Rotterdam Ahoy, the Municipality of Rotterdam and cleaning company Hago Nederland are working together to create an ‘urban water buffer’.

Although clean, most rainwater ends up going through the sewerage system to surface water or a sewage treatment plant, which reduces profitability.

Under the new system, paved surfaces will be disconnected from the sewerage system so that the rainwater can flow to the water buffer.

A crate storage facility will be constructed under the Gooilandsingel, which is being transformed into a green city boulevard for pedestrians and cyclists.

The crate will collect the water from the roof of the Zuidplein Shopping Centre and the Gooilandsingel, covering an area of around 4.8 hectares.

[caption id="attachment_13712" align="alignnone" width="1024"]

How the Urban Water Buffer will work. Image supplied Rotterdam Ahoy.[/caption]

Heavy rainfall of 50 mm will produce 2,400 cubic metres of water.

The water collected in the underground storage facility will be purified with plants and stored deep in the subsoil until it can be reused. Project organisers Rotterdams WeerWood expect to be able to reuse 20,000 cubic metres of the water annually.

Ahoy wants to use the water from the water buffer for window cleaning and floor cleaning, which will be carried out by Hago, its cleaning partner.

Ahoy managing director Jolanda Jansen said: ‘It is great to see how we are becoming more sustainable on various fronts step by step. The construction of our brand-new Rotterdam Ahoy Convention Centre offered us the opportunity to approach things more smartly and sustainably, but we have also implemented changes company-wide, for example, in the fields of hospitality and waste processing.’

James Lancaster
Written By
James Lancaster

AMI editor James Lancaster is a familiar face in the meetings industry and international association community. Since joining AMI in 2010, he has gained a reputation for asking difficult questions and getting lost in convention centres. Proofer, podcaster, and panellist - in his spare time, James likes to walk, read, listen to music, and drink beer.

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