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 defined function. Access junctions, access pipes, anti-flood gullies and back traps all help in keeping the system efficient and durable over time.



Connecting the Drainage Network


Access junctions link several pipes and create entry points for inspections. Located at appropriate positions, they streamline fault finding and resolving blockages. Without them, upkeep in extensive networks would be labour-intensive.



Making Maintenance Straightforward


Access pipes are vertical sections that allow direct entry into the system. Installed at specific points, they allow professionals to deal with obstructions and carry out routine checks. They can also serve as emergency points, reducing the chance of wastewater causing issues indoors.



Flood Protection


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



Maintaining Proper Flow


Back traps act as barriers to stop wastewater reversing back into the network. Placed in critical positions, they help 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 make clearing blockages more efficient.

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

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

  • Back traps
  • Are anti-flood gullies suitable for wet climates?
    Yes, they are ideal in rainy areas.



Key Details


Drainage in commercial 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 reduce risk and protect property. For professional advice and products, get in touch with Knowles Drainage.

Leave a Reply

Your email address will not be published. Required fields are marked *