The enormous fatberg was found in UK sewers was approx. 330ft in length and 9.5″ (100m long and 25cm thick) and taking up half the flow capacity of the pipe. The gruesome fatberg was one of 30,000 sewer blockages a year in East Anglia – 80 per cent of which are caused by wipes and fats.

After various failed attempts of different nozzles and cutters, Sewer Robotics was invited to remove the concrete that has been blocking this 400mm sewer main line for the past 10 years.

Years of mineral deposits leaving a layer of calcite and narrow joints inside this 200mm (8”) clay sewer main pipeline.

Water jet cutting applies a high pressure low volume water blast from a special designed crawler with camera and pan and tilt nozzle to remove the calcium without adding damage to the host pipe.

Scaling and tuberculation reduced the flow in cast iron pipelines.

The pipe flow was restored with a water jet applied from a robot with camera and rotary nozzle with 500bar (7,250psi) water pressure.

The R125 crawler with WJ125 water jet module, was used to remove the root infiltrations that this failed liner could not prevent from infiltrating this 6 inch (150mm) sewer mainline.

Removing a few thick tree roots that grew into a 200mm (8″) VCP sewer pipe from the joint. 500bar (7,250psi) was used in combination with a rotary nozzle on the water jet cutting robot to remove the root infiltration in minutes.

Removing a few thick tree roots that grew into a 200mm (8″) VCP sewer pipe from the joint. 500bar (7,250psi) was used in combination with a rotary nozzle on the water jet cutting robot to remove the root infiltration in minutes.

Fat and grease from various upstream located restaurants had settled inside this 12” (300mm) concrete sewer main line until the pipe flow was eventually blocked.

Precision water jet cutting with 7,250psi (500bar) water pressure was used with a rotary nozzle to remove the solidified fat and grease deposits fast and accurate.

Concrete slurry with aggregate was poured into 250mm, 375mm and 450mm (10”, 15”, 18”) sewer mainlines after boring into an unmarked sewer line during ground stabilization work in a coastal condo development near Los Angeles. The concrete blocked the sewage flow from nearby Marina del Rey towards the treatment plant.