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 help in keeping the system efficient and durable over time. Connecting the Drainage Network Access junctions join several pipes https://israeloeshu.diowebhost.com/92448086/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1