Air flush waterless urinals

As part of the Crossrail Sustainability Vision – seeking to minimise the impact on the environment and the community throughout construction, CSJV have been looking to ensure resources are used sustainably throughout the C360 project.

One of the ways we have achieved this is by installing waterless urinals in our main project offices at Mile End.

WC’s and urinals are the most water-greedy devices in the office and urinals can account for 20% of office water use.

The Environment Agency claims that in an office with a 40-hour working week, 76% of flushing occurs when the building is unoccupied.

Installing passive infrared sensors (PIR) can save up to 75% in water use and costs, although installing waterless urinals can save around 90%.

The four waterless urinals require far less maintenance than standard urinals and make the following savings to cost and water:

  • £416 per year
  • 65.52m3 water usage per year

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Entry submitted by Costain/Skanska JV


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