Properly designed and installed safety fences prevent the trespassing of people into potentially dangerous areas, such as children using a sediment basin or a storm water retention structure as play areas. The installation of these fences will protect people from hazards and the owner from possible litigation. The most commonly used form of barrier, other than the walls of a building, is a fence. Like the name suggests, the simplest definition of what security fencing is, stating that it is fencing a piece of property to increase security. When a business wants to protect its open areas, storage facilities or the parking lot for example, most business owners thing about installing chain fences.