Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of different components, each with a clear function. Access junctions, access pipes, anti-flood gullies and back traps all support in keeping the system operational and robust over time. Joining Multiple Lines Access junctions link several pipes and https://mushroom-hood-insert19641.activablog.com/36630687/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1