Main Elements of Drainage in Commercial Premises 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 assist in keeping the system operational and robust over time. Connecting the Drainage Network Access junctions connect several pipes https://clay-chimney-cowls91233.blogerus.com/59328382/h1-understanding-key-drainage-components-h1