Accepted Engineering Practice: The performance design of structures and/or structural elements that vary from prescriptive design methods of this code. Such design shall be made with accepted design standards by a South Carolina licensed Architect or Engineer as permitted by existing state law.
Crawl space: An underfloor space that is not a basement. Spaces under decks and porches that do not contain mechanical equipment are not to be considered crawlspaces.
S.C. Code Regs. § 8-1201