Tutor Perini subsidiary Lunda Development has landed a $60.2 million contract to replace a piece of a 113-year-old dam in Rothschild, Wisconsin.
The scope of the Rothschild Dam Modernization challenge contains changing an outdated, 276-foot lengthy timber dam with a concrete dam that includes cofferdams for river diversion, based on a Tutor Perini news release.
The unique dam was in-built 1912 to energy the Rothschild Mill and channel pulp wooden from upstream. Its building, which spanned 663 toes throughout the Wisconsin River, created Lake Wausau, according to a project page from Montreal-based forestry merchandise firm Domtar, the dam’s proprietor. The corporate initiatives its complete price for the challenge to be $84 million.
The job additionally contains:
- Demolition of the prevailing timer dam construction.
- Set up of deep foundations for structural help.
- Placement of strengthened concrete.
- Development of a brand new management constructing.
- Set up of a prefabricated bridge.
- Set up of latest dam gates.
The timber part of the dam was final changed in 1964, based on Domtar, with the Rothschild Mill investing $12 million in upkeep and repairs since then. However periodic repairs have been deemed not enough per the Federal Power Regulatory Fee. The dam presently supplies lower than 10% of the mill’s complete vitality wants.
Lunda’s challenge win comes as getting older dams throughout the U.S. have obtained elevated scrutiny in recent times. A 2023 report from the Association of Dam Safety Officials discovered that it could price almost $158 billion to rehabilitate the nation’s 88,616 poor, non-federal dams. Of that quantity, greater than $34 billion could be wanted to remediate probably the most essential constructions.
In the meantime, dam failures in Michigan and at California’s Oroville Spillway have underscored the implications of deferred upkeep.
Lunda started work on the Rothschild Dam Modernization challenge in July, and anticipates substantial completion by early 2029
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