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Cooling tower for the Ptolemais Unit V lignite-fired power plant

Ptolemaida, Greece

Ptolemaida - On site at one of the biggest projects in Greece in recent years, construction of the lignite-fired power plant Ptolemais Block V needs cooling-tower formwork expertise from Doka, plus compliance with a very special structural requirement. This is the first time that Doka has used an earthquake-proof design to form the first rings of a cooling tower.

Challenge:
The lignite-fired plant is sited in a seismically unstable part of Greece, so additional materials are needed on the site and extra safety precautions have to be implemented during the build.


Solution:
In close cooperation, Doka Greece and the GEC EN in Amstetten elaborated a specific construction concept to maximise the efficiency of the Doka formwork technology. For example more braces, anchorages and stiffening profiles are added to ensure stability during construction.

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Project data:

Year of completion:
Late 2017
Project duration:
October 2016 - Late 2017
Country
Greece
City
Ptolemeida
Contractor
Hitachi Power Europe, Terna S.A.

Building data:

Height of building
170 m
Diameter
110 m