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 assist in keeping the system operational and durable over time. Connecting the Drainage Network Access junctions join several pipes https://clay-chimney-cowls91122.aioblogs.com/90162230/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1