4 
Table of contents 
3 Requirements on laboratory testing 26 
3.1 Standard laboratory tests 26 
3.2 Tests to analyze soil behaviour under cyclical loading 27 
4 Geotechnical documents 28 
4.1 Preliminary remarks 28 
4.2 Geotechnical site survey reports 29 
4.2.1 Content of the geotechnical site survey reports 29 
4.2.2 Presentation of the results of field and laboratory tests 30 
4.2.3 Summary of investigation results (ground description) 31 
4.2.4 General ground assessment 31 
4.3 Soil and foundation expertise 31 
4.3.1 Content of soil and foundation expertises 31 
4.3.2 Information provided in the soil and foundation expertise 32 
4.4 Supplementary report on soil behaviour under cyclic loading 33 
4.4.1 General 33 
4.4.2 Supplementary report on soil behaviour under cyclic loading 33 
5 Monitoring during construction (execution phase) 33 
6 Monitoring during operation 33 
Part D: Minimum Requirements on site investigations for cable routes 
for the inter-array network and the power cables 34 
Annex 1 : References 37 
Annex 2: Standards, guidelines and codes of practice 38 
Annex 3: List of abbreviations 40