Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of various components, each with a clear function. Access junctions, access pipes, anti-flood gullies and back traps all support in keeping the system functional and reliable over time. Connecting the Drainage Network Access junctions connect several pipes https://chimney-accessory06035.pointblog.net/h1-understanding-key-drainage-components-h1-84603073