A design-build firm contracted for design-build services by a public authority may do either of the following: (A) Perform design, construction, demolition, alteration, repair, or reconstruction work pursuant to such contract;(B) Perform professional design services when contracted by a public authority for design-build services even if the design-build firm is not a professional design firm.
Authority of design-build firm
Ohio Rev. Code Ann. § 153.72, under Chapter 153 | Public Improvements.
Ohio Rev. Code Ann. § 153.72