When I switch from F-1 occupancy to H-3 occupancy, what is required?

Changing a building or space from an F-1 (Moderate-hazard factory) to an H-3 (High-hazard, physical hazard) occupancy is a significant move to a higher relative hazard category. Under the Ohio Building Code (OBC) and the International Building Code (IBC), this transition triggers a comprehensive regulatory review, and the existing space must be brought up to current code standards for an H-3 use.

Here is a breakdown of the primary requirements to execute this change: