8621 Georgia Avenue, Silver Spring, Maryland

Structural engineering services for this 16-story, 292-unit apartment building in downtown Silver Spring.  The project superstructure is comprised of twelve residential floors above four levels of parking.  Structural framing is a combination of post-tensioned flat plate slabs along with mild-reinforced, two-way slabs and cast-in-place concrete columns.  The building foundation system is a combination of drilled piers and a mat foundation.  The lateral system is designed as a series of concrete shear walls that provide resistance as required by the irregular footprint of the residential levels.  Exterior facades are a combination of masonry veneer, curtain wall, and precast panels. Design features include a rooftop pool incorporated into the structure at the 16th Floor, curtain wall features, and planting terraces that also serve as part of a stormwater bioretention system.