64 SCCER-SoE Science Report 2019 Task 2.2 Title Infrastructure adaption Projects (presented on the following pages) Alpine hydropower plants renewal : synergies between flexible production and hydropeaking mitigation Mathieu Barnoud, Sabine Chamoun, Pedro Manso, Giovanni De Cesare Suspended sediment in the turbine water of HPP Fieschertal in 2018 Matthias Eugster, David Felix, Robert Boes Renewal of alpine hydroelectric plants according to the spatial and temporal scales of analysis Vincent GAERTNER, Sabine CHAMOUN, Pedro MANSO, Giovanni DE CESARE Comissioning of a new fatigue test rig based on pressure oscillations A. Gaspoz, N. Gonçalves, L. Barras, V. Hasmatuchi, C. Nicolet, S. Rey-Mermet Hydraulics of Horizontal Bar Rack-Bypass Systems: Field Study at HPP Stroppel Roland Hagenbüchli, Ismail Albayrak, Mohammadreza Maddahi, Ricardo Mendez, Robert M. Boes Two-phase flow hydraulics of low-level outlets Benjamin Hohermuth, Lukas Schmocker, Robert Boes Numerical investigation of HPP layouts and their effects on fish guidance racks Andreas Huwiler Run-up of Impulse Wave Trains Maximilian Kastinger, Frederic Evers, Robert Boes Assessing the acceptability of concrete dam submergence considering scour L. Labrosse, S. Chamoun, P. A. Manso Solving of a Lifting Problem in a Pumped Storage Power Plant Daniel Pace, Giovanni De Cesare, Pedro Manso, Kaspar Vereide, Livia Pitorac, Leif Lia Renewal of the Ritom hydropower plant Jakob Siedersleben, Samuel Vorlet, Giovanni De Cesare, Nicola Tatti, Urs Müller, Graziano Sangalli Hydro-abrasion at hydraulic structures Damiano Vicari, Dila Demiral, Ismail Albayrak, Robert M. Boes Seismic behavior of Pine Flat concrete gravity dam using microplane damage-plasticity model Samuel Vorlet, Pedro Manso, Giovanni De Cesare