Regional Basic Professional Training Course in Korea

Regional Basic Professional Training Course (BPTC) on Nuclear Safety
compromise the safety of the project. Subsequent phases must also be planned.
Most of the data collected and consulted relates to:
Geological maps with various scales;
Available thematic maps (tectonic, neotectonic, geophysical etc.);
Aerial photographs and satellite images;
Monographs and results of drill holes and/or geophysical exploration carried out in
the region.
During the site “qualification” phase, new data are amassed by carrying out field‐work
and laboratory tests on the samples. The exact nature of data is determined on a case‐by‐
case basis (“we are subject to nature’s whims”). Here, it should be noted that the French
approach differs slightly from that of English speaking nations’ approach which tends to
standardize or predetermine investigations to be made (i.e. setting the amount of drilling
to be carried out per unit of surface area, the amount of soil samples to be taken etc.). As
far as the site is concerned, it is often necessary to carry out detailed geologic
observations as well as geophysical profiles, depending on which methods are suitable.
Furthermore, hydrogeological investigations are performed to characterize the layers of
groundwater and ensure conditions are good for carrying out foundation work (e.g. by
limiting the ingress of water into ditches by installing geotechnical walls).
Finally, during the “confirmation” phase, the necessary data is compiled to show that
there are no unacceptable risks and to have a solid basis for determining the design of
structures. Naturally, this is dependent on complete description of the geological
surroundings (already largely determined after the first two phases) and geotechnical
data. In the case of the geological surroundings, additional geophysical prospecting and
deeper drilling operations may prove necessary. In the case of the geotechnical study to
determine the mechanical characteristics of the soil, static measurements requiring in situ
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