Codes Enforced
Williamsburg County enforces the latest South Carolina State adopted versions of the:
- International Building Code
- International Energy Efficiency Code and the National Electric Code
- International Fire Code
- International Gas Code
- International Mechanical Code
- International Plumbing Code
- International Residential Code
- Property Maintenance Code
Plan Designs
Building plans must be designed by a State of South Carolina licensed Design Professional (Engineer and/or Architect) for Residential beyond the scope of the adopted codes, and Commercial occupancy (call 843-355-9321, ext. 5300 for more specific details).
Design Criteria
Design criteria for plan submittal must meet a minimum of 102 to 110 miles per hour (mph) winds; "D" Seismic for Commercial and "D-2" Seismic for Residential.
Plans shall have a:
- Code Analysis
- Design Pressures (D/P Rating) for all doors and windows
- Detailed construction documents for all disciplines
- Life safety plan
- Required Special Inspections for rebar, concrete, and structural steel for commercial projects
- Soils reports for commercial and soils assumption for residential