Transport of wastewater sludge from the Viikinmäki and Blominmäki wastewater treatment plants, TP 54/26

Summary

HSY is procuring the transport of digested and centrifugally dewatered wastewater sludge from the Viikinmäki and Blominmäki treatment plants. The annual quantities are approximately 62,000–66,000 tonnes from Viikinmäki, excluding 4,500 tonnes procured separately, and 21,000–23,000 tonnes from Blominmäki; weekday daily quantities vary between 160–390 tonnes and 53–220 tonnes, respectively. Viikinmäki sludge is transported mainly to Metsäpirtti, while Blominmäki sludge is transported to Metsäpirtti or Ämmässuo.