Services

Specialized Milling Work in the Sewer System

Where Power Meets Precision: Our Robotic Cutters in Action

If massive root growth, hard concrete deposits or projecting foreign objects block a pipe, normal pipe cleaning is no longer sufficient. This requires precision and extreme force to free the pipe without further damaging it.

That is exactly what we use our remote-controlled robot cutters for. Under constant camera surveillance, our experts remove even the toughest obstacles. This precise preparatory work is often also the decisive first step for successful and long-lasting sewer rehabilitation.

Frequently asked questions about special milling

Here you will find answers to the most frequently asked questions about special milling work.

What exactly is special milling work in a sewer?

Special milling is a trenchless process to remove extremely hard and massive obstacles from a pipe system. This involves the use of remote-controlled, high-performance robotic cutters, which work precisely on the obstacle under constant camera surveillance without damaging the pipe itself.

When is channel milling necessary?

Sewer milling is always the right solution when normal high-pressure cleaning is no longer sufficient. The most common applications include the removal of massive root growth, hard deposits such as concrete or lime, and the removal of protruding foreign bodies or plugs from the pipe wall.

How does robotic milling work?

Our technicians steer the milling robot from a control panel to the problem area with millimetre precision. An integrated, high-resolution camera gives us full control over the entire work process at all times. This allows us to remove the obstacle precisely and in a way that is gentle on the material.

Is milling harmful to my pipes?

No, quite the opposite. The aim is always to prepare the pipe for further use or renovation. Through permanent camera monitoring and millimeter-accurate control, we ensure that only the obstacle is removed and that the pipe wall itself is not damaged.

Why is milling often the first step before refurbishment?

Successful and long-lasting inline renovation requires a perfectly prepared, smooth inner pipe wall. Our special milling work creates exactly this ideal basis by completely removing all obstacles. In this way, we ensure that the subsequent renovation achieves the highest possible quality and durability.

How much does special milling work cost?

The costs depend on the extent of the obstacle, accessibility and the time required. Our principle is full transparency: After an initial analysis, often using channel TV, you will receive a clear and comprehensible offer from us.

Our Specialized Milling Processes in Detail

Depending on the type of obstruction and the condition of the pipe, we select the technologically optimal method to clear the line precisely and without damaging the existing material.

High-Pressure Milling

High-pressure milling is an extremely powerful method for removing massive, hardened deposits or severe root intrusion from the inner pipe walls. This process uses hydraulically driven milling heads powered by very high water pressure, generating enormous cleaning power where standard jetting is no longer sufficient.

High-Pressure Cleaning in a Demonstration Pipe

Key Performance Features at a Glance:

  • Application: Removal of massive, hardened deposits and severe root intrusion from the inner pipe walls.
  • Key Advantage: Maximum cleaning power where other methods are insufficient.
  • Technical Details: Suitable for pipe diameters from 50 mm to 1,400 mm.

Robotic Milling Work

Our remote-controlled robotic cutters allow for surgical precision in eliminating obstructions within the pipe. Under continuous camera supervision, these specialized devices pinpoint and remove protruding foreign objects, solid deposits, or massive root intrusion. Furthermore, this process is essential for accurately reopening laterals (side connections) after a Cured-In-Place Pipe (CIPP) lining procedure.

The Cutter in a Demonstration Pipe

Key Performance Features at a Glance:

  • Application: Pinpoint removal of obstructions (e.g., foreign objects, deposits, roots) and precise reopening of laterals.
  • Key Advantage: Maximum precision and control through remote operation with permanent camera monitoring.
  • Technical Details: Suitable for pipe diameters from 100 mm to 600 mm; extremely powerful cutter heads.

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