Ohio Rev. Code Ann. § 153.01
(A) Whenever any building or structure for the use of the state or any institution supported in whole or in part by the state or in or upon the public works of the state that is administered by the Ohio facilities construction commission or by any other state officer or state agency authorized by law to administer a project, including an educational institution listed in section 3345.50 of the Revised Code, is to be erected or constructed, whenever additions, alterations, or structural or other improvements are to be made, or whenever heating, cooling, or ventilating plants or other equipment is to be installed or material supplied therefor, the estimated cost of which amounts to two hundred thousand dollars or more, or the amount determined pursuant to section 153.53 of the Revised Code or more, each officer, board, or other authority upon which devolves the duty of constructing, erecting, altering, or installing the same, referred to in sections 153.01 to 153.60 of the Revised Code as the public authority, shall cause to be made, by an architect or engineer whose contract of employment shall be prepared and approved by the attorney general, the following:
(B)