Construction safety nets or Safety nets are fall arrest nets , which have the task of catching falling people. safety nets for the safety of personnel who work on construction projects.Whatever the size of your construction project – from large commercial site to a new residential home build, Life safety is a first priority. Building site health and safety standards and ensuring you keep your employees safe, apart from being a priority, also reduces the risk of increased site overheads through work stoppages, sick leave and loss of staff.