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

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 back traps all help in keeping the system functional and robust over time.

Connecting the Drainage Network

Access junctions link several pipes and offer entry points for maintenance. Located at appropriate positions, they simplify fault finding and resolving blockages. Without them, upkeep in complex networks would be labour-intensive.

Making Maintenance Straightforward

Access pipes are vertical pipes that permit direct entry into the system. Installed at specific 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 stop surface water overwhelming drains. Practical in areas with frequent heavy rain, they keep water flowing in the right direction, avoiding the risk of flooding. For businesses, this helps keep operations safe.

Preventing Backflow

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

Frequently Asked Questions (FAQs)

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• What is the purpose of access junctions?
  They link multiple pipes and provide entry for inspections.


• Why are access pipes fitted?
  They allow straightforward inspections.

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


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


• Are anti-flood gullies suitable for wet climates?
  Yes, they are effective where heavy rainfall occurs.

Final Notes

Drainage in business properties relies on a set of components. Access junctions, access pipes, anti-flood gullies and back traps each maintain systems safe. Whether upgrading existing systems, these parts minimise risk and secure property. For professional advice and products, get in touch with Knowles Drainage.