Viikinmäki water treatment station 1988 - 1991, 2000 - 2002

The work included more than one million cubic meters of underground blasting. Pre-blast surveys were done in thousands of apartments. Vibration control was done with Instantel seismographs, including 15 000 seismograph days. The extending of the treatment plant, including more than 200 000 cubic meters of blasting, started in April 2000.



Back to the references page.