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EXCEPTION: Only two (2) copies are needed of drawings for fire alarm and fire suppression systems and of drawings for plumbing, electrical and HVAC work that are part of a project for which a building permit application has previously been filed.
Construction documents must bear the seal of a registered design professional except for residential construction, fire protection systems submitted under the signature of a certified individual, replacement-in-kind of equipment or systems, or where the Building Official determines that the work does not involve technical design analysis of work affecting public health or general safety in the following areas: means of egress, structural, mechanical, electrical, plumbing or fire protection.
A set of drawings prepared by a design professional (architect or engineer) is required to have the professional seal and date of expiration shown on the cover sheet with the professional’s signature (original and in ink) over the seal. The seal can be embossed, stamped, or printed. All sheets in a set of plans must also be sealed with an original signature, unless the cover sheet shows a list of drawings and contains the seal and original signature of the design professional in responsible charge.
The City of Dayton uses the codes adopted by the Ohio Board of Building Standards as listed below.
More about building codes
A Certificate of Use and Occupancy is needed whenever a person establishes the legal use of a building or space; remodels a building or space and increases or decreases the square footage of the space; makes additions; or proposes new construction and/or a change of use of the building or space.
A Certificate of Use & Occupancy must be issued by the Building Inspection Division’s Building Official before a business can open legally. This is the last step in a process that will likely include: 1) application for a building permit, 2) approval of drawings that represent how the business space will be used and show how any construction is to take place, 3) issuance of a building permit which is a license to begin construction and/or building modifications, 4) inspections as the construction and/or modifications take place, 5) a final inspection and final approval of the project by the Building Inspection Division, Zoning Administration, and the Fire Department, and lastly, 6) issuance of the Certificate of Use & Occupancy. For assistance prior to taking step 1), above, contact the
A permit is not required for re-roofing projects on commercial buildings if the work does not require repair or replacement of the roof sheathing or deck structure. A permit is also not required if the project consists only of adding a roof covering over an existing single-layer roof covering. A new roof covering must not be installed without removing the existing roof covering if the roof covering is water soaked or deteriorated, if it consists of wood shake or tile, or if it has two or more layers of any type of roof covering.
Construction offices, trailers, and other temporary accessory structures that are to be used for a limited amount of time must be permitted. For more information, go to