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 different components, each with a defined function. here Access junctions, access pipes, anti-flood gullies and back traps all help in keeping the system functional and durable over time.

Linking Pipework Together

Access junctions join several pipes and provide entry points for inspections. Located at strategic positions, they simplify 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 help 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 prevent surface water overwhelming drains. Practical in areas with frequent heavy rain, they maintain water flowing in the right direction, avoiding the risk of damage. For businesses, this helps limit downtime.

Maintaining Proper Flow

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


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

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• What is a back trap?
  It helps maintain hygiene by stopping reverse flow.


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

Final Notes

Drainage in business properties relies on a set of components. Access junctions, access pipes, anti-flood gullies and back traps each support systems operational. Whether installing fresh systems, these parts limit risk and safeguard property. For professional advice and products, contact Knowles Drainage.