Access Junctions, Pipes, Anti-Flood Gullies and Back Traps Explained

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of various components, each with a specific function. Access junctions, website access pipes, anti-flood gullies and website back traps all assist in keeping the system operational and robust over time.



Connecting the Drainage Network


Access junctions connect several pipes and offer entry points for checks. Located at appropriate positions, they streamline fault finding and clearing blockages. Without them, upkeep in large networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical installations that enable direct entry into the system. Installed at set points, they make it easier to deal with obstructions and carry out routine checks. They can also act as overflow outlets, reducing the chance of wastewater causing issues indoors.



Keeping Water Under Control


Anti-flood gullies block surface water overwhelming drains. Effective in areas with frequent heavy rain, they ensure water flowing in the right direction, reducing the risk of flooding. For businesses, this helps keep operations safe.



Preventing Backflow


Back traps function as barriers to stop wastewater reversing back into the network. Placed in important positions, they help hygiene, limit odours, and avoid contamination inside commercial areas.



Frequently Asked Questions (FAQs)



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  • What is the purpose of access junctions?
    They help locate and fix blockages quickly.

  • Why are access pipes fitted?
    They provide vertical access points.

  • How do anti-flood gullies work?
    They stop flooding during heavy rainfall.

  • What is a back trap?
    It ensures waste moves in one direction only.

  • Are anti-flood gullies suitable for wet climates?
    Yes, they are designed for flood-prone conditions.



Final Notes


Drainage in business properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each help keep systems safe. Whether upgrading existing systems, these parts limit risk and safeguard property. For professional advice and products, contact Knowles Drainage.

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