Services

Exploratory drilling

For direct soil and foundation investigations, we utilize our patented STUBORE® drilling system, which drills through all geological formations using a double-core barrel. The soil is loosened through a combination of rotary and impact or purely rotary methods. If needed, air or water can be used for targeted flushing. Casing, drilling, and core retrieval are performed simultaneously, ensuring rapid drilling progress.

We offer vertical and inclined drilling in both loose soil and rock up to a depth of 80 meters. Our expertise also includes complex alternating layers, landfill bodies, and operations from pontoons.

The specially designed chassis of our drilling rigs allows us to drill in steep terrain without the need for additional temporary structures. With the telescoping drill mast, we can also conduct operations in confined spaces.

In addition to storing core samples in covered core boxes, we can retrieve them in liners. We also offer the option of collecting undisturbed soil samples. If necessary, we can wrap the core samples in protective film to minimize the risk of contaminant spread and the release of gases or liquids.

Our well-planned logistics ensure quick setup. Thanks to the efficient drilling system, core retrieval and sampling can begin shortly after drilling starts. The presence of the geologist enables seamless communication with the drilling team, ensuring uninterrupted information exchange.

Logistics

Our drilling rigs are ready for operation in no time. They are quickly set up and can be relocated between exploration sites with ease.
We transport all necessary materials efficiently using a truck and a delivery van, saving space.

Your benefits:

  • Significant time savings
  • Reduced costs
  • More efficient work processes

 

Dynamic probing

For indirect soil investigations (such as the density of granular soils or the consistency of cohesive soils), we perform dynamic cone penetration tests (DCP). These tests allow for (pre-)assessments of foundations, excavation boundaries, and similar structures. The results are recorded in a penetration diagram.

We offer the following types of dynamic cone penetration tests:

MachineDPH (heavy)DPSH-A (super heavy)«von Moos» (VAWE)
NormSN EN ISO 22476-2/A1SN EN ISO 22476-2/A1SN 670 314
Ram weight [kg]5063.530
Drop height [m]0.50.50.2
Expansion3/4", 1", 5/4" 3/4", 1", 5/4" 3/4", 1"

 

 

 

Tests

All standard geotechnical and geophysical tests can be conducted within the borehole, such as:

  • SPT (Standard Penetration Test)
  • Pump tests
  • Dilatometer tests
  • Vane shear tests

Installation

For the establishment of groundwater monitoring points or groundwater extraction systems, we install piezometer pipes in boreholes and CPT holes. Special filters are available upon request.

  • PVC: 2" to 4½"
  • HDPE: 2" to 4½"
  • Steel: ¾" to 4½"

To monitor ground movements, we install inclinometer tubes.
For landfills, we offer our gas-water well chambers.