Outstanding excavation and low-risk operation are features attributed to the Sandvik DTi series of intelligent tunnelling jumbos, launched in 2008 and now working in all parts of the world. The series has been continuously improved, and latest additions are Access Detection System, which shuts down drilling if human presence is detected in the working area, high frequency RD5 rock drills and Tier 4 engines. Read the full press release, which includes case histories, and visit www.sandvik.com. 20/13.