Important Parts of Commercial Drainage Systems Drainage systems in business properties require a set of specialised features to manage flow effectively. Components such as access junctions, access pipes, anti-flood gullies and back traps support reliability and long-term function. Joining Pipework Access junctions provide access for cleaning while linking multiple pipes. https://rylanwzzaz.theobloggers.com/43925207/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-overview-h1