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 as one year beginning in 1984. The statue had been closed only once before for such an extended period of time, and that was at one point in the late 1930s. Later announcements stated that the erection of the scaffolding surrounding the outside of the statue would begin in the fall of 1983, and it was still believed in July 1983 that the restoration would begin sometime in the fall. NPS representatives retracted and revised the earlier announcement concerning the closure of the Island to the public; Liberty Island would in fact remain open and closings would be intermittent and