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Case Studies

Sewer Wax removal after factory fire

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.

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Case Studies

Water jetting hardened grease and fat

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.

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Case Studies

25 cubic yards aggregate concrete blocking multiple lines

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.

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Case Studies

Concrete removal from stormwater pipeline

Concrete that was meant for the foundation of a building had filled a stormwater pipeline near Amsterdam, the Netherlands, after one of the reinforced concrete foundation pillars was drilled through the line.

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Case Studies

Electric grinding pipe welds

This electric cutting system, installed in an air-cargo box, was flown to Arabia and used for an emergency weld grinding job in the middle of the desert.

Hundreds of machine welded joints had to be smoothened before the pipe could be coated internally, due to a defect in the welding equipment.

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Case Studies

Preparing pipes for CIPP lining

Removing the grease film and taking care of tree roots infiltrated from joints, cracks and lateral connections to prepare a pipe for the installation of a cured in place pipe (CIPP) liner.

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Case Studies

Grout removal from sewer pipeline

Have a look over the shoulder of this operator while he removes grout from this Sewer Pipe with the R125 transporter and WJ125 water jet cutting equipment at 1000bar (15,500psi).

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Case Studies

Concrete in airport sewer

The concrete found its way into a 20” (500mm) drainage pipeline near the runways of a large Airport to settle and form an impossible blockage.

A walk in the park for our water jet cutting equipment. The blockage was removed in a few days.

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Case Studies

Settled grout blocking sewer main pipeline

A grout mix meant for soil stabilization found its way into a vitrified clay sewer main pipeline during supportive construction for subway tunneling. The slurry settled inside the pipe causing a serious blockage.

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Case Studies

Root infiltrations from joints and laterals

Root infiltrations from pipe joints and lateral connections are no problem for 500 bar (7,250psi) precision water jet cutting. Multiple massive root infiltrations are blasted into wood pulp and removed within minutes.

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