Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of multiple components, each with a clear 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 connect several pipes https://flure-liners08539.daneblogger.com/36372746/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1