''Low rent housing project'', (1) a clearance project; or (2) any work or undertaking to provide decent, safe and sanitary dwellings, apartments or other living accommodations for families of low income, which work or undertaking may include buildings, land, equipment, facilities, and other real or personal property for necessary, convenient and desirable appurtenances, public or private ways, sewers, water supply, parks, site preparation or improvement, or administrative, community, health, recreational, welfare, or other facilities; or (3) the purchase of, or acquisition, otherwise than by eminent domain, of the right to use, completed dwelling units which have been recently constructed, reconstructed or remodeled (whether condominium units, individual buildings part of a larger development, or a portion of the units in a multifamily development); or (4) any combination of the foregoing. Such a project may include the planning of the buildings and improvements, the acquisition of property, the demolition of existing structures, the construction, reconstruction, alteration and repair of the improvements and other work performed in connection therewith, but construction activity in connection with a project may be confined to the reconstruction, remodeling or repair of existing buildings.
''Mayor'', the city manager of the city in all cities having a Plan D or Plan E charter and the duly elected mayor of the city in all other cities. The mayor is hereby designated as the chief executive of the locality for purposes of any approval or action of such officer required by federal legislation.