Main Elements of Drainage in Commercial Premises Commercial drainage systems are made up of different components, each with a defined function. Access junctions, access pipes, anti-flood gullies and back traps all help in keeping the system functional and reliable over time. Linking Pipework Together Access junctions join several pipes and https://mushroomhoodinserts33196.howeweb.com/38195087/h1-access-junctions-pipes-anti-flood-gullies-and-back-traps-explained-h1