Installation and monitoring of the whole geotechnical and topographical instrumentation. About 273 surface marks, 172 targets, 164 strips on buildings, 9 piezometers, 17 extensometer gauges, 32 inclinometers and 105 convergence sections have been installed. Preparation of all the geological cartograpy and geotechnical characterisation of the excavated surfaces. Preparation of daily, weekly and monthly monitoring reports.