Keeping workers safe when they’re in close proximity to power lines can be a challenge. In most cases, it requires complete concentration on the task at hand, awareness of the high voltage line as well as the proximity to it. At Sigalarm, our high voltage warning systems use e-fields to detect the presence of high voltage power lines in an effort to keep people and equipment from running afoul of a power line. Read more
If you’ve ever passed a construction site, you’ve more than likely seen a Derrick Crane. A tower that protrudes from the crane’s base and pivots in any direction is the most identifiable feature of a derrick crane. Derrick cranes are considered “fixed”. These cranes are assembled and disassembled at the construction site. These cranes are used on shipping platforms, with ships and barges, as well as in construction sites.
