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 operational and reliable over time. Linking Pipework Together Access junctions join several pipes and https://clay-chimney-cowls34344.blogkoo.com/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1-56810416