Renovation (Architecture)

Excavation for extension of tunnel at northeast corner of the White House. Sketch by the artist Lili Rethi. This was prepared during the renovation of the White House.

Northeast view from concrete beam at center of south side of White House. Members of the architect's office are examining excavations for concrete footings of permanent steel columns.

Workmen with air hammers are taking down the concrete ceiling and walk of the Electrician's Shop to the east of the North Portico during the renovation of the White House.

Northwest view from the concrete beam at the south central part of the White House showing the interior steel framework supporting the roof and third Floor during renovation.

View along south wall of the White House looking west from center of excavated area. The earth along the walls was left unexcavated until cross beams. running north and south, were installed to prevent walls from bulging.

Northeast view from the concrete beam at the south central part of the White House showing the permanent and temporary supporting columns. The temporary horizontal beams, running from the north to the south wall, were installed to prevent walls from bulging during excavation below the basement level.

Sketch of interior steel framework and excavation work looking west from the east entrance of the Ground Corridor by the artist Lili Rethi. This was prepared during renovation work on the White House.

Photograph of area along north wall to the west of the central doorway of the ground floor. This is the final area to be excavated during the White House renovation.

Photograph in area excavated for Transformer and Air Compressor buildings, north-east of the North Portico during the renovation of the White House. Concrete underpinning columns, and foundation work is in progress of construction.

View from window of Room G-3 looking west along the south wall showing progress in concrete footing work during the renovation of the White House.