Tutor Perini subsidiary Lunda Development has landed a $60.2 million contract to replace a bit of a 113-year-old dam in Rothschild, Wisconsin.
The scope of the Rothschild Dam Modernization undertaking comprises changing an out of date, 276-foot lengthy trees dam with a concrete dam that includes cofferdams for river diversion, in keeping with a Tutor Perini information liberate.
The unique dam used to be in-built 1912 to energy the Rothschild Mill and channel pulp wooden from upstream. Its building, which spanned 663 ft around the Wisconsin River, created Lake Wausau, in keeping with a undertaking web page from Montreal-based forestry merchandise corporate Domtar, the dam’s proprietor. The corporate tasks its general price for the undertaking to be $84 million.
The task additionally comprises:
- Demolition of the prevailing timer dam construction.
- Set up of deep foundations for structural beef up.
- Placement of bolstered concrete.
- Development of a brand new keep an eye on construction.
- Set up of a prefabricated bridge.
- Set up of recent dam gates.
The trees segment of the dam used to be remaining changed in 1964, in keeping with Domtar, with the Rothschild Mill making an investment $12 million in repairs and upkeep since then. However periodic upkeep were deemed not enough according to the Federal Power Regulatory Fee. The dam lately supplies not up to 10% of the mill’s general power wishes.
Lunda’s undertaking win comes as ageing dams around the U.S. have gained higher scrutiny lately. A 2023 document from the Affiliation of Dam Protection Officers discovered that it will price just about $158 billion to rehabilitate the country’s 88,616 poor, non-federal dams. Of that quantity, greater than $34 billion could be had to remediate essentially the most vital constructions.
In the meantime, dam disasters in Michigan and at California’s Oroville Spillway have underscored the results of deferred repairs.
Lunda started paintings at the Rothschild Dam Modernization undertaking in July, and anticipates considerable crowning glory by means of early 2029