Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of various components, each with a defined function. Access junctions, access pipes, anti-flood gullies and back traps all support in keeping the system functional and durable over time. Connecting the Drainage Network Access junctions link several pipes https://flueliner86429.blogzet.com/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1-52247892