Tunnel construction is one of the first construction projects that has ever been established. Through the years, technology has greatly impacted the system of tunnel construction projects in terms of safety, productivity and being cost-effective. Although safety is the number one priority for tunnel constructions, it is often neglected and overlooked. In fact, a recent research revealed that in North America, construction is the most deadly industry. In the past year, it was found out that there were a staggering 1,154 deaths. This may not sound like a significant number, it is still undeniable that this isn’t something positive. On the other hand, as the innovation of modern technology arises, productivity in this business industry has greatly improved. The presence and prevalence of modern machines and devices have made the efficiency of work even better. Indeed, these two factors significantly determine the success of a project. So, if you are looking into ensuring safe ...