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 help in keeping the system operational and robust over time. Joining Multiple Lines Access junctions join several pipes and https://zanekmmki.ivasdesign.com/58648156/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1