Workplace Safety Authority after fatal accident: Mold was unstable and welding poor

Workplace Safety Authority after fatal accident: Stamping form was unstable and welding poor

Three people died and several were injured when a silo under construction collapsed on Funen.

The accident at Flemløse occurred in November 2024. Here is the collapsed construction. (Photo: Workplace Safety Authority) (Photo: © Workplace Safety Authority, DR) 27 minutes ago

The quality of the stamping form construction was poor, according to the Workplace Safety Authority, when a concrete silo collapsed in November at Flemløse Biogas Plant on Funen. This is concluded by the Workplace Safety Authority.

The accident cost three lives, and an insight provided to DR by the Workplace Safety Authority shows that two foreign companies have received stop orders from the authority.

The Workplace Safety Authority notes, among other things, that the welding in the stamping form construction was of poor quality. In a stop order to the German company Formtec, which supplied the construction, it reads:

- There were more welds on the stamping form's IPE beams that did not have the required quality and/or were incomplete, as several of the IPE beams were dark and rusted, which shows that the welds at the flanges between the end of the IPE beam and the steel plate were not melted together and therefore did not have the prescribed quality.

* The Workplace Safety Authority writes: Here are scratches on the inside of the silo wall after the weld plate on the IPE beams meter away from the silo's edge. (Photo: © Workplace Safety Authority, DR)

* The image shows one of the found collections between the IPE beams and the IPE beam meter away. (Photo: © Workplace Safety Authority, DR)

* The image shows one of the found collections between the IPE beams and the IPE beam meter away. (Photo: © Workplace Safety Authority, DR)

1 / 3 The Workplace Safety Authority writes: Here are scratches on the inside of the silo wall after the weld plate on the IPE beams meter away from the silo's edge. (Photo: © Workplace Safety Authority, DR) 1 / 3 The image shows one of the found collections between the IPE beams and the IPE beam meter away. (Photo: © Workplace Safety Authority, DR) 2 / 3 The image shows one of the found collections between the IPE beams and the IPE beam meter away. (Photo: © Workplace Safety Authority, DR) 3 / 3

The poor quality of the construction meant that the stamping form could not withstand the enormous pressure from the concrete, concludes the authority:

- The incomplete welds resulted in the stamping form being unable to accommodate the anticipated constructional loads, which caused the stamping form to become unstable in connection with the pouring of large amounts of concrete for the silo's roof and the construction collapsed.

According to the Workplace Safety Authority, eight people were working on the roof and fell 24 meters when the construction collapsed. In addition, a person was in the silo at the time of the accident on November 26, 2024.

The German company Formtec, which supplied the stamping form construction, will not agree to an interview about the case at the present time. They will first have completed their own investigations at the accident site.

However, they state that they disagree with the Workplace Safety Authority's conclusions. They believe, among other things, that the damage to the welds was caused during rescue work, where machines with great force have tried to remove the fallen material.

DR is working on a comment from another foreign company, as well as Flemløse Biogas Plant.

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