Functional and Operational Requirements


  • Loading - Dead, live, etc.
  • Restrictions on settlement
  • Spatial requirements (minimum area, height limits, interior open space, etc.)
  • Operating restrictions (deflection, vibration limits)
  • Expected life of structure
  • Time available for construction
  • Local cost of materials/labor
  • Value of money
  • Aversion to risk
  • Establish performance criteria for frequent, rare and very rare seismic events and wind storms