November 2017 – Holding tank 46’000 liters in Grand-Saconnex, Geneva
Wednesday, 15 November 2017
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November 2017 – 11 M3 retention pit at Hedingen / ZH
Wednesday, 15 November 2017
September 2017 – Completion of a Ø 710 mm HDPE ventilation in Moudon.
Wednesday, 13 September 2017
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