"Buildings and facilities" means any and all buildings and facilities and the grounds appurtenant thereto within any city, township or other governmental subdivision of the state other than all farm dwellings and buildings and single and two family dwellings. However, on the date on which rules promulgated by the commissioner of labor and industry regarding building requirements for persons with disabilities shall become effective, "buildings and facilities" shall mean only those structures which must provide facilities for persons with disabilities pursuant to said rules.
"Persons with disabilities" means and includes people having sight disabilities, hearing disabilities, disabilities of incoordination, disabilities of aging, and any other disability that significantly reduces mobility, flexibility, coordination, or perceptiveness.
"Remodeling" means deliberate reconstruction of an existing building or facility in whole or in part in order to bring it up to date to conform with present uses of the structure and to conform with rules and regulations on the upgrading of health and safety aspects of structures.
"Local authority" means the local authority having jurisdiction over local building construction.