Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of various components, each with a specific function. Access junctions, access pipes, anti-flood gullies and back traps all assist in keeping the system functional and reliable over time. Connecting the Drainage Network Access junctions link several pipes https://chimney-accessory64196.newsbloger.com/38208649/h1-understanding-key-drainage-components-h1