With modern soil and ground investigation methods and combinations of different investigation methods, it is possible to gain reliable and accurate information for the planning of e.g. house, passage and bridge structures. We provide ground and environmental investigation services with traditional soil rotary drilling and ground radar methods.

Using a combination of different investigation methods, it is possible to determine comprehensively and reliably the carrying capacity of the soil and ground conditions also in more difficult targets. Ground investigations conducted by experts minimize the initial costs. In collaboration with our client, we create the best possible solution for determining the soil ground conditions, providing quality results and saving the client’s time and money.

Our soil ground investigation service covers e.g.


  • A weight sounding test

    • Usually used in soft and stoneless areas.

  • A dynamic probing test

    • Suitable for investigating dense and stoneless soil layers.

  • A static-dynamic penetration test

    • A method used to determine soil layer borders in e.g. bridge site investigations.

    • For ground investigations of soft sites

  • Percussion drilling

    • Generally used for determining rock surfaces

    • Suitable especially for sites with boulders and stones

  • A vane test

    • Used for determining the shear strength of a soft soil layer.

    • A method used for identifying the water penetrability of soil layers.

  • Ground-penetrating radar surveys

    • With ground-penetrating radar, it is also possible to conduct ground soil and special investigations.

Ground-penetrating radar surveys are conducted with special equipment, also in the surrounding terrain to determine the soil conditions.

Usages are e.g.


  • Acquiring initial data on new roads, streets and pipelines

  • Bridge site surveys

  • Surveying of gravel and sand areas

  • Investigating soil conditions and layer thicknesses of soil types

  • Location and depth of soft areas

  • Rock surface definitions

In addition:

  • Collection of environmental samples

    • Environmental investigations are used to determine the presence of harmful substances in the soil and/or groundwater. Based on the investigations, the usability of the area is evaluated and protection and maintenance needs are defined.

  • Installation of groundwater and soil pore gas pipes

  • Installation of inclinometer pipes

  • Sampling road structures

  • Undisturbed/disturbed sample sets

Our skilled staff and modern investigation equipment guarantee success even in the most demanding investigation tasks.


Road Consulting Oy is a company in northern Finland working in the field of infrastructure, offering services also to house builders.

For builders, this means a reliable report on the carrying capacity of the ground soil for needs of different building solutions. We offer to you our competence, resources and experience.

Our work is based on a certified quality system according to the ISO standard 9001:2008.

A detached one-family house is a big investment for a Finnish family, both in terms of its meaning and costs. A house is built to be a home for decades to come. Ground investigations should be conducted at every site where construction is planned. The quality of the soil that the house is built on does matter – the ground determines the type of foundation needed. You can go forward with construction without worries when the ground investigations have been conducted reliably and with expertise.



The necessary investigations for your plot


  • The foundation method statement is one of the documents needed in applying for a building permit

  • Information on the carrying capacity of the ground is needed for the foundation method statement

  • The carrying capacity of the ground is determined by ground investigations, e.g. by sounding

  • Road Consulting Oy carries out soundings and the company creates e.g. a foundation method statement based on the results.


Road Consulting Oy:n pilaantuneen maan (PIMA) tutkimuspalveluihin kuuluvat mm:

  • Asiantuntija-apu koko hankkeeseen

  • Kunnostustarpeen arviointi, alkukartoitus, historiaselvitys

  • Kunnostuksen suunnittelu ja kustannusvertailu

  • Näytteenottosuunnitelma, näytteenotto omalla kalustolla (pima-tutkimus) kairalla tai koekuopista , vesinäytteet

  • Raportointi ja riskinarviointi, pilaantuneisuuden ja puhdistustarpeen arviointi »

  • Luvitus (PIMA-ilmoitus ELY-keskukselle)

  • Urakoitsijan ja vastaanottopaikan kilpailutus tarvittaessa

  • Kunnostustyön valvonta, kenttäanalyysit, varmennusnäytteet

  • Loppuraportin laatiminen

  • Vahinkotapausten jälkihoidon konsultointi ja puhdistuksen ohjaus

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