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

Main Elements of Drainage in Commercial Premises


Commercial drainage systems are made up of multiple components, each with more info a website defined function. Access junctions, access pipes, anti-flood gullies and back traps all support in keeping the system functional and robust over time.



Connecting the Drainage Network


Access junctions link several pipes and offer entry points for inspections. Located at planned positions, they simplify fault finding and resolving blockages. Without them, upkeep in large networks would be time-consuming.



Making Maintenance Straightforward


Access pipes are vertical pipes that permit direct entry into the system. Installed at set points, they allow professionals to remove obstructions and carry out routine checks. They can also double up as safety valves, reducing the chance of wastewater causing issues indoors.



Flood Protection


Anti-flood gullies stop surface water overwhelming drains. Practical in areas with frequent heavy rain, they keep water flowing in the right direction, minimising the risk of flooding. For businesses, this helps protect property.



Keeping Wastewater Moving Correctly


Back traps function as barriers to block wastewater reversing back into the network. Placed in key positions, they maintain hygiene, reduce odours, and stop contamination inside commercial areas.



Frequently Asked Questions (FAQs)



  • What is the purpose of access junctions?
    They allow easy cleaning and maintenance.

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

  • How do anti-flood gullies work?
    They keep drains flowing without backflow.

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  • What is a back trap?
    It prevents wastewater flowing back.

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



Final Notes


Drainage in industrial properties relies on a combination of components. Access junctions, access pipes, anti-flood gullies and back traps each support systems safe. Whether planning new systems, these parts limit risk and secure property. For professional advice and products, contact Knowles Drainage.

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