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A leading full-service engineering firm renowned for our trusted, high quality, and innovative approach to solving complex challenges.

Structural Engineering for HOC’s LEED Platinum Headquarters

The Housing Opportunities Commission (HOC) of Montgomery County is constructing a new headquarters in the heart of downtown Silver Spring, Maryland. This nine-story, 82,000-square-foot Class A office building is designed to support HOC’s mission of providing housing and supportive services to Montgomery County residents. 

Prioritizing accessibility and community engagement, the first two floors feature a double height public lobby and customer service center, while the upper floors house office spaces, consultation rooms, a hearing room, and amenity spaces for staff and visitors. The headquarters, designed to achieve LEED Platinum certification, incorporates multiple green roofs and features sustainable construction practices, such as the use of Type IL cement.

Structural Solutions for a LEED Platinum Community-Focused Headquarters

McLaren is delivering full-service structural engineering from conceptual design through construction phase services to bring this modern, community-focused facility to life.

During the conceptual design phase, our team worked closely with the design architect to develop the structural framework for the nine-story, 82,000-square-foot office building. This included designing the post-tensioned concrete floor slabs, reinforced concrete columns, and shear wall cores that stabilize the building against wind and seismic forces. We evaluated alternative structural systems and advanced the design to ensure compatibility with architectural layouts and sustainable building goals.

The McLaren Difference: Applied Ingenuity

One of the project’s unique challenges was the extremely tight site constraints, particularly at the loading dock. To address this, McLaren designed a double cantilevered transfer girder system to allow trucks to access the dock while maintaining the building’s structural integrity. This innovative solution minimized column interference, ensuring functionality within the restricted space.

Structural Engineering for a LEED Platinum-Certified Headquarters

To support the project’s LEED Platinum aspirations, McLaren integrated sustainable materials such as locally produced concrete and recycled steel reinforcing. The structural design also incorporated innovative strategies, including the use of post-tensioned slabs for efficient floor framing and transfer girders to achieve longer spans in high-load areas like the hearing rooms and amenity spaces.

Design to Delivery

Following the schematic design phase, McLaren progressed the structural system through design development and construction documents, refining key components like shear wall reinforcement, foundation systems, and slab detailing. Currently, we are providing construction phase services, including reviewing shop drawings, addressing contractor RFIs, and ensuring the project is executed to meet design specifications and performance criteria.

Construction of the new HOC headquarters at 1428 Fenwick Lane in Silver Spring, Maryland, is expected to be completed in November 2025.