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 a defined function. Access junctions, access pipes, here anti-flood gullies and more info back traps all support in keeping the system efficient and reliable over time.



Joining Multiple Lines


Access junctions connect several pipes and provide entry points for maintenance. Located at appropriate positions, they simplify fault finding and resolving blockages. Without them, upkeep in large networks would be time-consuming.



Keeping Access Simple


Access pipes are vertical installations that enable direct entry into the system. Installed at regular points, they help to remove obstructions and carry out routine checks. They can also act as safety valves, reducing the chance of wastewater causing issues indoors.



Flood Protection


Anti-flood gullies block surface water overwhelming drains. Useful in areas with frequent heavy rain, they maintain water flowing in the right direction, reducing the risk of overflow. For businesses, this helps limit downtime.



Preventing Backflow


Back traps act as barriers to stop wastewater reversing back into the network. Placed in important positions, they maintain hygiene, limit 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 keep drains flowing without backflow.

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

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



Final Notes


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

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