Mat Foundation Pour 8,870CY
Located on the west end of the 4th Street Bridge, Alloy is the first high-rise structure in LA’s Historic Arts District. The development features a five level commercial building and a 36 level residential tower above six levels of parking and mixed-use, three of which are below grade. Parking levels hold a total of 748 stalls for the 105,000sf of creative office space and the 475 units of residential. The tower rises at a 45 degrees from the podium deck creating an architectural statement and adding to the complexity of the project.
Parking levels are 100,000sf and of the 103 total columns, 72 have unique dimensions! 33,000sf of shotcrete walls are being installed along a majority of the basement perimeter. ORCA aggregate from British Columbia is being used to accommodate the thermal requirements in the foundation, specified modulus of elasticity (MOE) in the decks, and high strength of 12,000PSI vertical elements. Core walls in the tower are up to 42in thick and are being formed with a self-climbing system.
Architectural concrete elements include board formed walls, columns, beams, and soffits at street level lobby and a ribbed architectural wall on the north side of the building facing the bridge. Overall the project calls for over 70,00CY to be placed with Largo is working with owner/builder Carmel Partners, Solomon Cordwell Buenz architects and Englekirk structural engineers on this iconic project.
Location: Los Angeles, CA
Market Sector: Residential & Commercial
Levels: Three levels below grade parking podium, five level above grade commercial building and 33 level residential tower.
Units & Stalls: 475 units and 748 parking stalls.
Complete: August 2023
Client: Carmel Partners
Architect: Solomon Cordwell Buenz