Guide to Access Junctions, Pipes, Anti-Flood Gullies and Back Traps


Important Parts of Commercial Drainage Systems


Drainage systems in workplaces require a set of specific features to manage flow effectively. Components such as access junctions, access pipes, anti-flood gullies and back traps support reliability and long-term function.



Linking the Network


Access junctions allow access for inspection while linking multiple pipes. Installed at planned points, they make it easier to detect blockages and resolve them quickly. In large-scale drainage layouts, they streamline the effort needed for system upkeep.



Making Inspection Easier


Access pipes are upright pipes giving inspection access into the network. Placed at set intervals, they make blockages to be cleared without disruption. They also double as overflow points, reducing the risk of wastewater overflowing inside commercial buildings.



Reducing Flood Risk


Anti-flood gullies stop surface water from overloading drains. Useful in areas of frequent rainfall, they prevent backflow and keep water moving into the system. This minimises potential damage, helps stop business downtime, and protects property and staff.



Stopping Backflow


Back traps provide a barrier that blocks wastewater moving in the wrong direction. Fitted at necessary locations, they help with hygiene, limit odours, and stop unsanitary conditions.



Frequently Asked Questions (FAQs)



  • What do access junctions do?
    They offer access for checks and cleaning.

  • Why use access pipes?
    They allow efficient inspections.

  • What is the role of anti-flood gullies?
    They stop surface water entering the drains.

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  • What are back traps for?
    They prevent wastewater flowing backwards.

  • Are anti-flood gullies good for rainy regions?
    Yes, they are designed for flood-prone sites.



Key Points


For business premises, drainage systems depend on the right setup. Access junctions, access pipes, anti-flood gullies and back traps each play their part in keeping systems safe. Whether upgrading existing systems, using these features helps reduce risks and protect property. For product advice and supply, speak with Knowles Drainage.

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