The provisions of the Ohio Building Code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures. As provided in Section 3791.04(B) of the Ohio Revised Code, no plans or specifications shall be approved or inspection approval given unless the building represented by those plans or specifications would, if constructed, repaired, erected or equipped according to those plans or specifications, comply with Chapters 3781 and 3791 of the Ohio Revised Code and any rules adopted by the Board.
An owner may exceed the requirements of the Ohio Building Code in compliance with Section 102.7 of the Ohio Building Code.
Exceptions:
(a) Detached one-, and two-, and three-family dwellings and structures incidental to those dwellings which are not constructed as industrialized units shall comply with local residential codes, if any, adopted by the authority having jurisdiction. This exception does not include the energy provisions required in “Chapter 13, Energy Efficiency” of the OBC (see Sections 3781.06, 3781.181 and 3781.182 of the Ohio Revised Code);
(b) Buildings owned by and used for a function of the United States Government;
(c) Buildings or structures which are incident to the use for agricultural purposes of the land on which said buildings or structures are located, provided such buildings or structures are not used in the business of retail trade; for the purposes of this section, a building or structure is not considered used in the business of retail trade if fifty percent or more of the gross income received from sales of products in the building or structure by the owner or operator is from sales of products produced or raised in a normal crop year on farms owned or operated by the seller. (See Sections 3781.06 and 3781.061 of the Ohio Revised Code);
(d) Agricultural labor camps;
(e) Type A or Type B family day-care homes;
(f) Buildings or structures which are designed, constructed and maintained in accordance with federal standards and regulations and are used primarily for federal and state military purposes where the U.S. Secretary of Defense, pursuant to 10 U.S.C. Sections 18233(a)(1) and 18237, has acquired by purchase, lease, or transfer, and constructs, expands, rehabilitates, or corrects and equips, such buildings or structures as he determines to be necessary to carry out the purposes of Chapter 1803 of the U.S.C.;
(g) Manufactured homes constructed under “24 CFR Part 3280", “Manufactured Home Construction and Safety Standards”.
(OBC 101.2)