◇ On the 23rd, Mie Prefecture held a groundbreaking ceremony for ``Construction of the main body of the Toba Kawachi Dam'' at Kamo Middle School in Toba City, a key point in basin flood control. About 60 people attended, including Governor Katsuyuki, Chubu Regional Development Office Director Toshinori Sato, Toba Mayor Kinichiro Nakamura, and Representative Director of Maeda Construction, Senior Executive Director, Technical Supervisor technician and General Manager of Construction Engineering Department Takao Nakanishi. Hoes are poured in the hope that the project will be completed soon, without accidents or natural disasters, and to improve flood control in the basin. The project is constructed by Maeda Construction, Mizutani Construction and Isobe Construction Joint Venture.

Groundbreaking by stakeholders

At the ceremony, the Governor said: "Precious lives have been lost in the past due to heavy rains in this area. Tobagochi Dam will play an important role in ensuring such things will never happen again." now happens again. This is running water and is environmentally friendly.'' Hello.

Completed image (from Mie Prefecture homepage)

Eikei Suzuki, a member of the House of Representatives, said: “When I look back at the circumstances that led to the decision to continue the project, I am deeply moved. I hope it will be completed as soon as possible and ensure the safety and security of the area.”

Directed by Nakajima

Director Sato said: ``Dams near beneficiary areas can have a major impact and become key to flood control in the area. Dams near beneficiary areas could cause unprecedented flooding due to the effects of climate change. takes effect immediately. The Ministry of Land, Infrastructure, Transport and Tourism will try its best to support the province."

Mayor Nakamura said, ``I hope that this facility will protect the lives, safety and security of the people.''

Speaking on behalf of the contractor, Nakanishi, Representative Director, Senior Managing Director, Technology Supervisor and General Manager of Construction Engineering, said: ``We feel the weight of your responsibility. We will contact the local people and build a magnificent dam.'' 

Study of the implementation plan for the construction of the Tobakawachi Dam, part of the flood control plan for the Kamo River water system, began in 1975. After verification, the system was changed from storage type to drinking water in 2013 and the decision to continue the business was made. Some 50 years have passed since the investigation began and construction has now begun. The total project cost is about 19.5 billion yen.

The construction site is Kawachi-cho, Toba city. When there is heavy rain, it temporarily reduces the amount of water flowing downstream to prevent flooding. This type of dam is a concrete gravity dam. The dike height is 39 meters, the dike crest length is 193 meters and the total water storage capacity is 2.96 million cubic meters. Normally, water is not stored.

Excavation will continue and concrete pouring will begin in FY 2025. Following completion of crown work, test flooding is expected to begin in FY 2027. Construction timeline until April 28, 2019. The design is in charge of Nippon Koei.

□ Hideki Nakajima, Tobakawachi Dam Project Director (Maeda Construction) □

 To prepare for pouring concrete, we will dig carefully so as not to damage the stone foundation. We will cooperate with local people, pay attention to safety and produce high quality quality concrete.'' Complete the dam.”

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