The vast majority of what has been created in city-owned vacant buildings by the city's Department of Housing Preservation and Development.
Knives and small saws (hamagari) were also used to create holes in buildings, where they served as a foothold or a passage of entry.
Tenanting it created some of the vacancies in other buildings that are due to be upgraded.
Another 112,000 square feet of space would be created in nine historic theaters and adjoining buildings that the state owns between Seventh and Eighth Avenues.
Research facilities were created in existing buildings, usually old warehouses, scattered around the country.
Since then, about 5,000 apartments have been created in former commercial buildings.
Mr. Rose has proposed allowing builders to create more parking spots in residential buildings.
He worked for the Federal Art Project, creating several murals in post offices and other federal buildings.
Also, Zetex material can be used for fabric expansion joints, creating fire barriers in buildings.
Its 32 rooms were created in buildings that began as covered tennis courts in the 17th century.