Statue of Liberty pedestal was to have been made of solid granite. Financial concerns again forced him to revise his plans; the final design called for poured concrete walls, up to thick, faced with granite blocks. This Stony Creek granite came from the Beattie Quarry in Branford, Connecticut. The concrete mass was the largest poured to that time. Norwegian immigrant civil engineer Joachim Goschen Giæver designed the structural framework for the Statue of Liberty. His work involved design computations, detailed fabrication and construction drawings, and oversight of construction. In completing his engineering for the statue's frame, Giæver worked from drawings and sketches produced
Conservation-restoration of the Statue of Liberty structure of the statue was out of sight behind the mesh wire walls of the original helical stairs. It should be noted that the stairs were originally intended for workmen. Neither the architect nor the artist had envisioned that the lady would welcome visitors internally. Elevators were first installed in 1908–9. A "New York Times" article published less than a month and a half from the centennial celebration, discussed the changes within the statue as being the most spectacular. The journalist added: that "now that the walls have been removed, what is revealed is an interior that seems to combine