Lunch and Learn: Construction of Banja Dam in Albania, webinar

18 January, 2018 | 13:00 - 14:00

Learn about the challenges and techniques used during construction of the dam
Learn about the challenges and techniques used during construction of the dam

About this event

The 80 m high Banja Dam and associated 73 MW hydropower installation constitutes the first phase of the Devoll Hydropower Project, which consists of two dams and hydropower plants on the Devoll River in southern Albania.

Construction of the scheme commenced in the 1980s but works were abandoned in the 1990s in a partially completed state due to collapse of the local economy. At that point, some embankment fill, the cofferdams, part of the grout curtain, grouting gallery and the headrace tunnel had been completed. The design and construction of the recent works were complicated by the need to test, if necessary remediate, and incorporate the already-constructed infrastructure. Works also needed to account for highly variable abutment conditions and source materials.

Construction work at the site recommenced at the end of 2013, and impoundment of the reservoir commenced on 15 April 2016 reaching its Normal Operating Level of 175masl in October 2016. The first export of power to the national grid occurred on 31 August 2016.

Mott MacDonald, in joint venture with Coyne et Bellier of France, provided Owner's Engineering services for the Banja HPP Project. This included design review, project and commercial management with construction supervision of the Works.

The presentation will describe the challenges and techniques used during the construction of the recent works. It will focus on the dam and spillway though will also refer to the intake tower, tunnel, penstock and powerhouse construction.

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Disclaimer: Any views or opinions expressed on any matters by the presenters or participants during or in connection with this presentation are solely the views of the authors of the respective comments and/or opinions and must not be taken to be the views of ICE or any other organisation. ICE makes no representations, warranties or assurances concerning any information provided in these presentations and accepts no responsibility for the content and/or accuracy.

Speaker

Martin Deane

Based in Cambridge, Martin is a Senior Engineer within the Hydraulic Structures Portfolio of Mott MacDonald. His career has focused on dams and reservoirs, primarily in the UK. He has been appointed to the Supervising Engineer Panel since 2013. Martin was based on the Banja HPP project from start of construction (November 2013) to April 2015 as a Deputy Resident Engineer for the civil works.

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