Open office, flexible floor plan-- Alcoa Headquarters Building

alcoa corporate center, pittsburgh pa 1994 - 1998

Usable floor space of 29,000 sq.ft., replacing the existing Harrison Abramovits' 1953 Alcoa Building with usable floor space of 15,000 sq.ft.

Section showing layers of building (from left to right): Isabella Street, mechanical penthouse, core-building, glass capped atrium -- lightwell with cascading escalators, serpentine office block, waterfront terraces, Allegheny River. Notes the floor-to-floor height of 15 ft. 10 in./ 4.8 m. (ceiling height of 11 ft. 6 in./ 3.5 m.), the raised-floor system, the "suspended" sunscreen, and the window cleaning -- "boom" -- crane on the roof.