Important Components in Commercial Drainage Commercial drainage systems are made up of different 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 provide entry https://raymondexlan.bloguetechno.com/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1-73084430