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 functional and durable over time. Connecting the Drainage Network Access junctions link several pipes https://drainagepipes86419.blogkoo.com/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1-56811593