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Featured Projects
Built in 1968, the building had no significant renovations and was at the end of its useful lifespan. 1400 Crystal Drive provided a great opportunity to recycle and reposition an existing Class B structure into a state-of-the-art, Class A office building. The property is designed to attain LEED Gold certification.
Rathgeber/Goss Associates worked diligently with the design team and contractor on a fast track, design build approach. The building was perfect for conversion to a data center, as only three windows near the building entrance, 11 exit doors, and 6 overhead doors penetrated the 1100 linear foot perimeter.
The initial challenge to this project was determining how to safely construct an ice rink and roof weighing a total of 235 psf dead load plus 130 psf live load over an existing parking garage which was designed for a total expansion of 60 psf dead load and 50 psf live load.
Awards & Recognition
AWARD RECEIVED AT THE 13th ANNUAL SEA-MW AWARDS GALA
Rathgeber/Goss Associates received an award for a Renovation over $40 Million at the Structural Engineers Association of Metropolitan Washington’s Thirteenth Annual Gala, held on March 2nd, 2019 in Washington, DC.
The newly renovated 2000 L Street, re-branded as Alexander Court, is a 750,000 sf project which consisted of a complete renovation and expansion of the existing 2000 L Street structure, including a four-level vertical expansion above the 8 existing office floors and 3 garage levels, and the creation of a new 12-story atrium adjoining the building to the adjacent property at 2001 K Street to create a Class A office building. The expansion is supported at the existing column girl and incorporated multiple setbacks to meet local building massing and zoning requirements. At the lowest underground level, 72% of existing footings were expanded to accommodate the new building loads. Mat foundations were added at the shear wall lateral system and atrium braced frame. The existing cellar level was strengthened using fiber reinforced polymer and bonded cast-in-place concrete to accommodate a chiller plant. New steel framing enclosed the top of the existing helical parking ramp to create a new loading dock. Level 1 was strengthened to accommodate new finishes and mechanical equipment. An exposed steel frame at the front of the atrium was designed to withstand significant lateral building loads and the new glass tension wall forces. One-third of the existing level 2 slab was removed to create a large two-story lobby space. All existing levels were strengthened to accommodate the new shear walls, and levels 4-8 received horizontal slab extensions. The existing roof was strengthened and repurposed to create the new level 9. Above level 9, new long-span composite steel framing was designed for the expansion.
Michael Goss was Principal-In-Charge and Paul White was Project Manager for the project.
Congratulations and thank you to all team members!
OUTSTANDING PROJECT AWARD FOR RENOVATION PROJECTS OVER $40 MILLION – 2019
Awarded by: SEA-MW
For: 2000 L Street, NW
Washington, D.C.
OUTSTANDING PROJECT AWARD FOR RENOVATION PROJECTS BETWEEN $15 AND $40 MILLION – 2018
Awarded by: SEA-MW
For: 2501 M Street, NW
Washington, D.C.
OUTSTANDING PROJECT AWARD FOR RENOVATION PROJECTS OVER $40 MILLION – 2016
Awarded by: SEA-MW
For: RagingWire VA2 Data Center
Ashburn, Virginia
EXCELLENCE IN DESIGN – 2008
Awarded by: D.C. Mayor’s Awards In Historic Renovations
For: Parker Flats at Gage School
Washington, DC
MERIT AWARD FOR RENOVATION PROJECTS BETWEEN $15 AND $40 MILLION – 2016
Awarded by: SEA-MW
For: Terraset Elementary School
Reston, Virginia
AWARD OF MERIT, CULTURAL – 2007
Awarded by: Mid-Atlantic Construction
For: Atlas Performing Arts Center
Washington, DC