National Park Service

Southwest corner of the roof of the White House. The roof on this and the other three corners will be removed and raised to the height of the main part during the renovation work.

View from the window of Room G-15 looking east along the south wall of the White House during renovation. The permanent steel columns and cross beams have been erected in this area to the level of the ground floor.

View to bottom of excavation at the northeast corner of the White House outside of east window of Room G-27. This steel-shored pit is for the large pipe of the hydraulic lift of the sidewalk service elevator from the new lower basement.

View along north wall looking east from the window of G-17 during the renovation of the White House. The concrete footings are for permanent steel columns to be erected on the line of the west wall of the lobby and east wall of Family Dining Room.

View from Room G-6 (Broadcasting Room) to the northwest corner of the White House. Steel cross beams are being installed to the permanent steel columns. This was taken during the renovation of the White House.

View at the northwest corner, outside and below the north window of Room G-17, during the renovation of the White House. The installation is to test the strength of the foundation. The horizontal iron beams are supported by six vertical columns, below which is a two foot concrete foundation. Iron struts were erected to the wall at each side. A shift downward of 1/16" to 1/4" was recorded when four hydraulic jacks, each with a pressure of 50 tons, were applied to test the foundation.

View in front of the White House at the northeast corner during renovation. The area to the left has been excavated for the Transformer Building and for the Air Compressor Building at the right.

Photograph taken from east side of Blue Room looking northwest. The steel beams of first floor have been installed in the State Dining Room, Pantry, and Family Dining Room at the west end. This was taken during the renovation of the White House.

Ornamental plasterer at work in molding designs for installation in White House.

View along north wall looking west from window of Room G-28 showing progress in erecting permanent interior steel columns, during the renovation of the White House.