Tadjer Cohen Edelson Associates, Inc.
HISTORIC RESTORATION & PRESERVATION
Associates, Inc.
918 F STREET, Washington, DC
The 918 F Street building, also known as the National Union Building, was constructed in 1890. The National Union Building is bounded by F Street to the north, a two-story building that is undergoing renovation to the east, and alleys to the south and west. An adjacent building to the west has been recently demolished leaving only the front facade which is being supported by steel framework. The National Union Building is a seven-story multi-wythe brick bearing wall and steel floor beam building with the basement level below grade at the front (north elevation) and above grade at the rear (south elevation). The building foundation is also brick masonry with a sub-basement under a portion of the basement. The seventh floor is the attic of the pitched roof with an open terrace area at the rear for a cooling tower and emergency generator. All elevations are brick facade except the north elevation and a small part of the west elevation which is rock face and cut Seneca sandstone (brownstone). The building was listed on the National Historic Register on September 21, 1990.
901 F STREET, Washington, DC
200,000 gsf in four hi-rise office buildings and 35,000 gsf parking garage for 3,411 cars.
Renovate and restore the historic Mason’s Temple. Add new eight-story building, atrium, and three levels below grade parking.
912 F STREET, Washington, DC
13-story 125,000 gsf apartment building with one level of below grade parking. Foundation system includes auger cast piles. Includes renovation of three-story historic buildings.
ARMY NAVY CLUB, FARRAGUT SQUARE, WASHINGTON, DC
A 300,000 gsf new 12-story office building over a four level underground parking partially over the subway. Eight-story historic existing walls were incorporated in the new building. The walls were temporarily braced by exterior vertical trusses 80' high.
1247 WISCONSIN AVENUE, WASHINGTON, DC
Renovations and addition to an existing historical building in Georgetown, Washington, DC. TCE designed for removal and replacement of the rear section of the building with new three-story concrete and steel structure, determined existing framing, and strengthened existing framing for residential loading.
