Kennecott Tailings Facility


Ames Construction // Mine Tailings Dams // Kennecott Tailings Facility

Project Location: Manga, Utah

Client: Kennecott Utah Copper

Synopsis of work:

Ames has partnered for over 25 years with Kennecott Utah Copper to provide innovative solutions on numerous projects to update and expand its mining, milling and tailings operations. Over the years, Ames scope of work has included demolition and reconstruction, grade raise, pond construction and liner installation. For over 14 years, Ames has managed the tailings operation for Kennecott and has placed over 125.6 million cubic yards of material in the seven-mile-long tailings dam. The schedule for construction and placement of the tailings material is 24 hours a day, 365 days a year, and includes placing 60,000 tons per day of solids slurry, clean sand and spigotting the fine tails inside the dam impoundment. Ames’ intimate knowledge of the tailings embankment, containing 70-plus miles of piping, has been paramount to the success of the project.

Ames worked closely with the owner during the design, bid, and construction of the Kennecott tailings facility to adopt innovations and proven methods to keep the project within budget. On phase two of the Kennecott tailings dam project, the partnership developed an efficient method of discharge that managed all of the water from the expansion, maintained safety and reduced cost.

Click to enlarge any of the photos below:

Updated and expanded mining, milling and tailings operations
Crews place more than 60,000 tons of solids slurry per day
Construction and material placement is a 24/7 operation in the 7-mile-long tailings dam