Code Requirements
All residential, commercial, and accessory structures shall be designed and/or constructed to resist standard loading from wind and seismic loads, as well as standard live loads and dead loads per the current building code, to provide the minimum requirements to safeguard the public safety, health and general welfare.

Design of the structure may be prescriptive per the Building Code, or if out side of the prescriptive requirements, shall be designed by a design professional and they shall provide design criteria, calculations, and professional stamp and signature on calculations and plans where applicable.