§ 50. Definitions. As used in this article:

1. "Public building" means any building or portion thereof, other than
a privately owned residential structure, public housing structure,
police, fire or correction structure, constructed wholly or partially
with state or municipal funds, whether tax funds, funds obtained through
bond issues or grants or loans under any state law, which is likely to
be used by physically handicapped persons, including, but not limited to
theaters, concert halls, auditoriums, museums, schools, libraries,
recreation facilities, transportation terminals and stations, factories,
office buildings and business establishments.

2. "State" shall mean the state of New York and any state board,
bureau, commission, department, authority, division, officer or public
benefit corporation.

3. "Municipality" or "Municipal" means a city, town, county, village,
school district or special district as defined by section one hundred
two of the real property tax law.

4. "Facilities" shall mean and include those facilities as defined in
the provisions of the state building construction code relating to
facilities for the physically handicapped.

5. "Physically handicapped" means

(a) impairment requiring confinement to a wheel chair; or

(b) impairment causing difficulty or insecurity in walking or climbing
stairs or requiring the use of braces, crutches or other artificial
supports; or impairment caused by amputation, arthritis, spastic
condition or pulmonary, cardiac or other ills rendering the individual
semi-ambulatory; or

(c) total or partial impairment of hearing or sight causing insecurity
or likelihood of exposure to danger in public places; or

(d) impairment due to conditions of aging and incoordination.

6. "Reconstruction, rehabilitation, alteration or improvement" shall
mean only that work which results in a substantial change in the
structure or facilities of a public building and shall not include minor
repairs necessary for ordinary maintenance.