Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4561.30

(A) “Airport” means any airport certified for commercial purposes by the department of transportation. “Airport” does not include a military airport owned by the United States government and used for no commercial purposes.

(B) “Person” has the same meaning as in section 4561.01 of the Revised Code.

(C) “Commence to install” means undertaking any action that affects the natural environment of the site of a structure or object of natural growth, including, but not limited to, clearing of land, excavation, or planting, but excluding surveying changes needed for temporary use of the site and excluding uses in securing geological data, including making necessary borings to ascertain foundation conditions.

(D) “Structure” means any object, whether permanent or temporary, including, but not limited to, a building, tower, crane, smokestack, earth formation, transmission line, flagpole, or ship mast, and includes a mobile object.