Programme 14.00 Introduction (Marc Demarche, ESV EURIDICE) 14.10 PRACLAY project and measurement objectives (Frédéric Bernier, ESV EURIDICE) 15.00 Lessons learned from previous experiments - reliability of sensors in the field - instrumentation test/selection programme before installation (Jan Verstricht, ESV EURIDICE) 15.45 THM instrumentation programme (Host rock, lining, crossing and TBM) based on modelling (Jan Verstricht and Xiangling Li, ESV EURIDICE) 16.15 Geochemical instrumentation programme (Maarten Van Geet, SCK.CEN) 16.45 Conclusions