Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of multiple components, each with a defined function. Access junctions, access pipes, anti-flood gullies and back traps all help in keeping the system efficient and robust over time. Joining Multiple Lines Access junctions join several pipes and https://drainagepipes97429.digiblogbox.com/61853203/h1-understanding-key-drainage-components-h1