Implenia and Herrenknecht donate drillhead to the Museum of Transport
Dietlikon, 23 June 2012 – Sissi, the historic tunnel boring machine, is to be preserved for posterity. All of nine-and-a-half metres in diameter and weighing 225 tonnes, she had a voracious appetite for stone. In favourable conditions, she ate through as much as 38 metres of rock in a day. Now, she [...] through its entire lifecycle and deliver work that is economical, sustainable, integrated and customer-centric. Implenia, with its headquarters in Dietlikon near Zurich, employs more than 6,000 people and posted turnover of more than CHF 2.5 billion in 2011. The company is listed on the SIX Swiss Exchange[...]