Aquajet's new Ecosilence Power Pack has been tested to its limits on the tunnel/bridge renovation work in the city's historic Old Town and has exceeded all expectations, according to E-Schakt's project supervisor, Andreas Nordstrom. Equipment from the Swedish company, including Ecosilence making its debut, is being used in the tunnel and on the 1.2km Central Bridge (or 'Three Bridges'), which was built in the 1950s and which links the northern district of Norrmalm and the southern district of Södermalm. It