b'38 DALSECURITYWhen a vehicle hits these cables, it transfers the energyreturn and put brackets on the bollards and I-beams, hang panels from this impact, down the bollards, where the kinetic energy ison these brackets, and install the critter guard and other features, absorbed, Bean explains. Dodder chronicles. Finally, they fill the bollards with concrete. Installing this type of fencing is a big construction project,To boost contractor skill, Ameristar provides installation Dodder advises. training. This isnt just posts and brackets, says Dodder. It is a The contractor digs the 3-foot diameter by 7-foot deep footersfairly sophisticated install. We want to help contractors who are for the 8-inch bollards placed every 32 feet 8 inches, with a 9-inchunfamiliar with its installation, so they are not learning on the job. diameter by 3-foot deep footer for the intermediate I-beam spacedThe crash-rated barrier fencing at DAL was already field tested 8 feet apart between the bollards. in 2024, when a driver lost control of his vehicle, drove through the After the concrete is dry, the contractor installs the fence rails andintersection and hit the perimeter fence. The barrier did its job in threads the braided cable into the rails and bollards. Then, theypreventing the vehicle from going all the way through, Fragale reports. Aesthetics Also MatterA chain-link fence with three strings of rolled barbed wire can secure a perimeter, but this is a very institutional look, Bean comments. Most designers want to see a softer touch that accomplishes the same level of security.Another drawback of barbed wire is that an intruder with wire cutters can cut through it in less than 30 seconds, he adds. In contrast, Montage Industrial ornamental fencing is much harder to breach. You cannot get through it with a wire snips, Bean relates. Keep in mind, any type of fence can be breached with the right tools and enough time. A fence is meant to delay, detect and deter breaches in security. Adding mesh barriers makes it harder for people to scale the fence, Parker adds. When you put wire mesh on fencing, people cannot grab hold of the wrought iron to pull themselves up or go through. We installed that in the last year.The black ornamental fencing was also selected for visual appeal. DAL is an airport that understands and appreciates the good neighbor mindset, Bean remarks. They didnt want the airport to look like a prison, especially with it being right in the downtown area. They understood that airport is the face of the city for travelers coming in and leaving. And they wanted to put their best foot forward. Landscaping around the fence further enhances the curb appeal. It offers both beautification and protection against a vehicle getting through, Fragale notes. Montage Industrial fencing is made of galvanized steel that is pre-treated with zinc phosphate, then covered by an epoxy primer and acrylic topcoat. This shields the fencing from environmental wear and reduces maintenance needs.March | April 2025AirportImprovement.com'