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13 December, 2013
The Electric Power Research Institute (EPRI) is developing robotic technology for the inspection of vertical structures, including dam walls.
Continuous quality surveillance
18 March, 2013
During the construction of hydroelectric plants, poor quality can have a hugely negative impact on construction time, plant performance and safety. A method known as the Continuous Quality Surveillance Scheme can keep the manufacturing of the most critical components, such as pressure parts, rotors and valves, under control with a view to minimising the Cost of Poor Quality (COPQ). This can be effective when used in a systematic manner and requires the formalisation of some main elements such as the Pre-Inspection Meeting (PIM) at the start of construction; the Inspection and Test Plan (ITP), with specific witness points for all critical manufacturing phases; and the use of Notification for Inspection (NOI) to formalise the intervention points.
Merging hydraulics with biology
14 March, 2013
Recognising that environmental sustainability is a global issue, researchers from the US, Australia and Lao PDR have joined forces in a collaborative effort to improve safe fish passage through hydropower systems. By expanding knowledge beyond salmon to other species, advances in technology can be used to have positive global impacts and ensure the sustainable expansion of hydro.
Anatomy of a dam removal
13 February, 2013
Peter Foote details the removal of Fort Halifax Dam in the US state of Maine.