Hawle collaborates on its NoDig technology

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A world first was achieved when Hawle demonstrated that service connections for water supply can be established from a basement without a pit or trench on the water main in the street, eliminating all the unwanted implications of street excavations.

This difference from existing semi-trenchless techniques requires vast additional technological efforts including:

  • accurate determination of the main line’s position
  • precise steerable drilling of a blind hole
  • durable connection, without manual aid, of a 1 to 2 inch (26 to 51 mm) service pipe to a main of 150 mm diameter or more
  • a portable, light-weight component design that provides enough power to handle the sits conditions.

Despite many sophisticated pipe locating, precision drilling…Read More

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