4SE, Inc. is a structural engineering firm located in historic Charleston, South Carolina.  The principals of 4SE, John Moore, P.E., Bill Ussery, P.E., and Greg Burbage, P.E., have over 90 years of combined structural engineering experience.   4SE specializes in providing state-of-the art analysis and design, innovative thinking, and quality services on all projects.  We are dedicated to developing the vision of our clients to help them achieve their goals.  Services and expertise:

Architectural – New and Existing Structures:

• New construction – structural design, drawings and specifications
• Existing structures – reports on existing structural conditions and structural design for reuse
• Types of projects:  government and institutional buildings, K-12 school, college and university buildings, office buildings, parking garages, churches, residential, health care facilities, waterfront structures, fire stations, public safety and emergency operation center buildings

New and Existing Communication and Broadcast Towers:

• Specifications for bidding purposes and review of designs for compliance
• Quality control to ensure erection of new towers consistent with industry standards
• For existing towers, inspections for insurance or for obtaining information for structural evaluation
• Structural evaluations to ensure tower meets code requirements for additional loading
• Design and drawings for required structural modifications

Historic Structures:

• Condition assessment and evaluation of existing buildings for structural integrity
• Recommendations and structural design for repairs, strengthening, renovations, or additions, including stabilization, if needed
• Seismic upgrades