Thomas P. O'Neill Jr. Federal Office Building Modernization

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project at a glance

The Thomas P. O'Neill Jr. Federal Office Building project included 550,300 square feet of renovations and upgrades including partial demolition of original spaces, installation of glazing, concrete in-fill, addition of granite and metal panel exterior, landscaping, installation of an upgraded fire alarm system and electrical/mechanical systems. Work also included architectural upgrades, glass curtain walls on each end of the building and projected window bays on the north and south facades. The updated space accommodates 2,000 federal employees.

The original eight story structure, previously a highly compartmentalized laboratory facility, has been transformed into a naturally lit and open-planned office space with a few simple yet precise architectural decisions. Two atria were cut into the floor plate, the east and west walls were cut open and the North- South window treatment was reworked to flood the interior with daylight without compromising the structure. All building systems were re-engineered to provide high performing and energy efficient operations. The site has been completely reinvented with a pedestrian-friendly landscape affording environmental benefit as well as perimeter security protection.

The project scope included demolition of the building’s core, HAZMAT abatement, installation of granite and metal panel exterior, new glazing, concrete in-fill, new electrical, mechanical, fire alarm and security systems, landscaping, and interior fitout. Improvements to the original building include a glass-encased entry atrium and security screening pavilion, large glass windows, a 100-foot core atrium spanning from basement to new roof skylight, a communicating central stair from the basement to the sixth floor, a large central skylight as well as a green roof and enhanced security.

The project is LEED Platinum Certified and won the 2014 USGBC National Capital Region's "Leed Project of the Year" Award.  The project's sustainable features include extensive natural day lighting, energy and water-efficient fixtures and low volatile organic compound (VOC) materials.

Turner International

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