Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of multiple components, each with a specific function. Access junctions, access pipes, anti-flood gullies and back traps all assist in keeping the system functional and durable over time. Connecting the Drainage Network Access junctions connect several pipes https://andydghgj.wssblogs.com/37355727/h1-understanding-key-drainage-components-h1