株式会社コンノ土木

On December 21, 2020, Konno Civil Engineering Co., Ltd. conducted river improvement work in Noshiro City, Akita Prefecture. The company failed to prepare work process plans when installing temporary sheet piles for earth retaining purposes. They neglected their duty to prevent the collapse of these temporary structures and did not implement necessary safety measures, resulting in the collapse of the temporary sheet piles installed on a temporary road. A subcontracted worker was crushed by the fallen sheet pile and died. The company and its employees received summary fines on October 22, 2021, for violations of the Industrial Safety and Health Act and for professional negligence resulting in death, with the penalties confirmed. This conduct is recognized as a violation under Article 28, Paragraph 1, Item 3 of the Construction Business Act. The suspension covered civil engineering work related to public projects in the prefectures of Aomori, Iwate, Miyagi, Akita, Yamagata, and Fukushima. The suspension period was from January 17 to January 19, 2022.