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 connect several pipes https://level-inverts98530.daneblogger.com/36361979/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1