Best Renovation/Restoration: Milken Center for Advancing the American Dream, Phase 2

Milken Center for Advancing the American Dream, Phase 2

Washington, D.C.

BEST PROJECT

Sent by: Grunley Construction Inc.

Owner: The Milken Foundation

Lead Design Firm: Shalom Baranes Associates

General Contractor: Grunley Construction Co.

Subcontractors: Freestate Electrical Construction Co.; Summit Construction Inc.; Wagner Roofing Co.; Shapiro & Worcester Eisenbrandt Inc; Evergreene Architectural Arts Inc; Shickel Corp.; Innovo Construction; Scaffold Resource; Lorton Stone; The Berlin Steel Construction Co.

As soon as included on the back of the $10 costs, the previous Riggs National Bank and American Security and Trust Co. structures stand amongst Washington, D.C.’s a lot of storied organizations. In 2018, Grunley Construction was picked to provide the adaptive reuse of the structures, changing the 3 historical structures into the Milken Center for Advancing the American Dream, an interactive museum.

The job needed dealing with 3 specifying difficulties: building a below-grade theater below totally supported historical structures, broadening the structures vertically without jeopardizing vulnerable interiors and bring back landmark areas while incorporating contemporary systems. City height constraints minimal vertical growth, making it important to excavate listed below the structures to fulfill area requirements.

The technique needed complex foundation and structural stabilization. When geotechnical examinations exposed challenging subsurface conditions, the group established a tailored structure option that consisted of 330 micropiles, short-lived interior assistances and substantial lateral bracing.

Amongst the job’s most complicated difficulties was the vertical growth of one-story additions on the 1503 Building and the 1501 Building. This needed getting rid of the roofing system while keeping and safeguarding historical plaster ceilings. To protect them, a customized short-lived truss support group was set up 30 feet above ground level to permit close gain access to above and clear gain access to listed below. This permitted work to be carried out simultaneously.

Image by Ulf Walin

Trusses in the 1503 Building area were developed to range from load bearing wall to load bearing wall. The 1501 Building trusses were developed to connect to exterior scaffolding towers considering that existing windows avoided making use of the load bearing wall. As soon as in location, the truss system was topped with scaffolding. A short-lived roofing was set up to secure the structure as the initial roofing system was eliminated.

With the structure in location, a long-term plaster assistance was set up from above. The historical bank halls were brought back and a glass atrium was included. Outside work consisted of exterior remediation with reproduced terra-cotta and precast aspects; masonry repair work; and remediation of decorative bronze doors and lighting fixtures.