Two Volvo ABG7820 slope pavers are being used to refurbish a 2,000,000m3 reservoir in Hieflau Styria, Austria. The machines are paving an extra high bitumen content asphalt that is watertight and have been modified to cope with the 34° embankments. The pavers were supplied by the Swiss dealer Robert Aebi and the modifications include tiltadjustable operating platforms to boost operator safety and comfort on the slope. The pavers are being operated by Walo Bertschinger, a Swiss company with a specialist dam