Spillway GatesSpillway gate installations are a critical part of a reservoir and dam system. Their reliability is important for the safety of dams. Jack Lewin and Jonathan Hinks explain why spillway gate design, maintenance and operation require close attention.In a number of exceptional cases, particularly in the former Soviet Union, bottom outlets are made large enough to discharge flood flows. However, in the vast majority of cases, a spillway is required to deal with flood inflows to a r
