Main Elements of Drainage in Commercial Premises

Commercial drainage systems are made up of various components, each with a specific function. Access junctions, more info access pipes, anti-flood gullies and back traps all support in keeping the system efficient and durable over time.

Linking Pipework Together

Access junctions link several pipes and create entry points for checks. Located at appropriate positions, they simplify fault finding and removing blockages. Without them, upkeep in extensive networks would be time-consuming.

Providing Entry for Inspections

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

Defending Against Flooding

Anti-flood gullies prevent 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.

Keeping Wastewater Moving Correctly

Back traps work as barriers to block wastewater reversing back into the network. Placed in key positions, they support hygiene, limit odours, and avoid contamination inside commercial areas.

Frequently Asked Questions (FAQs)

• What is the purpose of access junctions?
  They help locate and fix blockages quickly.


• Why are access pipes fitted?
  They provide vertical access points.


• How do anti-flood gullies work?
  They prevent surface water entering the system.


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


• Are anti-flood gullies suitable for wet climates?
  Yes, they are designed for flood-prone conditions.

Key Details

Drainage in industrial properties relies on a set of components. Access junctions, access pipes, anti-flood gullies and back traps each support systems efficient. Whether planning new systems, these parts minimise risk and protect property. For professional advice and products, contact Knowles Drainage.