Site permanent attenuation tank

Resources should be re-used whenever possible to enhance more sustainable and greener construction activity.

The example below shows how one site achieved this:

  • The site greywater system has been extended with the installation of the permanent attenuation tank;
  • This is now being used to provide a filtration system to make the water potable and fit for use for drinking, washing for the office and welfare as well as any damping down and site cleaning requirements;
  • No water charges at all for this project;
  • This initiative is being studied by Balfour Beatty senior environmental managers. Initial results show that, although there was a cost in filtration and testing of the grey water, there was a significant saving of £7K over 15 week period.

Footer Reference

Monitor report. Balfour Beatty Construction Services UK. Moray. October 2016


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