Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of different components, each with a clear function. Access junctions, access pipes, anti-flood gullies and back traps all help in keeping the system efficient and robust over time. Connecting the Drainage Network Access junctions link several pipes https://level-inverts46554.kylieblog.com/38115698/h1-guide-to-access-junctions-pipes-anti-flood-gullies-and-back-traps-h1