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 assist in keeping the system functional and durable over time. Linking Pipework Together Access junctions connect several pipes and https://mushroom-hood-insert09752.bloggazzo.com/36394499/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1