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 operational and reliable over time. Connecting the Drainage Network Access junctions link several pipes https://jaidenizodq.blogdeazar.com/37746025/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1