25 Ton Vaults Protect Electric Utility on Pacific Ocean Floor

Caitlin Shanley 2020 Vision, Blog, Electric, Newsletter

Sylmar Ground Return System Replacement Los Angeles, California There’s a transmission line from Northern Oregon to Southern California called the Pacific Direct Current Intertie that delivers hydroelectric power to Los Angeles County. The 850 mile transmitter ends 6,000 feet offshore in Santa Monica Bay at the Sylmar Ground Return System. Built in 1970 the system risked failure due to deterioration of underwater electrode array vaults, corrosion of marine cables, and overall metal fatigue. Jensen Precast custom designed, engineered, and manufactured 36 corrosion-resistant precast concrete vaults at 25 tons each for the $114 million project. “Replacing Sylmar’s underwater section meant building …

MSG Sphere Installs Airtight Precast Concrete Airduct

Bryan Bach 2020 Vision, Project Profile

MSG SphereLas Vegas, Nevada For a city that likes to do things on a grand scale, Las Vegas is the perfect place for MSG Sphere. The one of a kind music and entertainment arena built for The Venetian Resort offers unparalleled sights and sounds to 17,500 guests in a sphere shaped music and entertainment venue. Jensen Precast stepped up to centerstage during the initial construction of the project by providing a massive underground airduct system for the sphere. Instead of using a traditional fiberglass structure, the contractor, Harris Company, decided precast concrete would be faster to produce, better reinforced with …