Drain and Sewer Descaling & Obstruction Removal

Overview

drain obstruction removal using water jetting

This is an innovative method of using UHP water jetting to clean drains and sewers of restrictions and blockages. In industrial and commercial environments, the substances causing blockages are often harder and more difficult to remove than those found in domestic drains.

Blockages could include hard compounds, concrete, grout, lime scale and tree roots. Even obstructions such as steel piles and bars that have been driven through the drain wall can sometimes be found.

Our Rotoream technology is capable of cleaning hundreds of metres from a single access point and can successfully negotiate multiple bends.

This device enables a flexible hose with specialist nozzles to travel long distances inside pipes, drainage systems and outlets which are over 50mm internal diameter. This clever technology uses the energy from the rotating jetting head to negotiate bends in pipes, whilst having enough power to blast away obstructions and flush the unwanted material out for recovery and disposal.



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  • Avoids the cost and disruption of excavating drains/sewers.
  • Restores facility quickly and effectively without the need for closure of highways, roads and pedestrian areas.
  • Quickly restores drains to maximum flow capacity.
  • Cleaning processes will not damage the host pipe.
  • CCTV processes can be deployed to aid diagnosis and scope definition.
  • Process can be used on pipes from 150mm to over 2000mm diameter.
  • Process enables cutting/blockage clearance up to 500 metres from access point.
  • Allows relining of pipe using trenchless technology.
  • No need for manned entry.
  • Water/material blockages are contained and recovered without polluting the environment.
  • Avoids health and safety complications from open cut trenches – vehicle/pedestrian re-routing /noxious fumes.
  • Removal of concrete and grout accidentally spilt into drain/sewer.
  • Removal/part removal of foundation piles that have penetrated drains/sewers.
  • Removal of tree roots that have grown between pipe joints.
  • Lime scale removal.
  • Industrial compound/product removal.
  • Survey/CCTV drain camera is used to identify nature and location of blockage.
  • Man hole entry or via excavated access point.
  • Deployment of portable high pressure jetting unit with rotating high pressure water cutting nozzle and flexible high pressure hoses to blockage.
  • Repeat cycle of cut, flush, evacuation of cut material and pipe inspection until blockage removed.
  • Careful, progressive removal of backed up water/sewage via pumps and vacuum tanker.
  • Final inspection.
  • Relining if appropriate.

No other alternative method is available (other than open excavation).

Need a Drain and Sewer Descaling & Obstruction Removal quotation?

Briefing guide

Fill out our enquiry form to get a quotation.

Make an Enquiry Now