Main Elements of Drainage in Commercial Premises

Commercial drainage systems are made up of different components, each with a defined function. Access junctions, access pipes, here anti-flood gullies and back traps all help in keeping the system efficient and durable over time.

Linking Pipework Together

Access junctions join several pipes and provide entry points for inspections. Located at appropriate positions, they streamline fault finding and clearing blockages. Without them, upkeep in large networks would be labour-intensive.

Making Maintenance Straightforward

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

Flood Protection

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

Maintaining Proper Flow

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

Frequently Asked Questions (FAQs)

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

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• 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 support systems operational. Whether installing fresh systems, these parts limit risk and protect property. For professional advice and products, consult Knowles Drainage.