Design Criteria

Goochland County maintains the following design criteria:
  • Ground Snow Load: View the Snow Load Map.
  • Wind Speed: 90 miles per hour - 3 second gusts
  • Rainfall: 3.3 inches per hour
  • Seismic Category: B
  • Weathering: Severe
  • Frost depth: 18 inches
  • Termite: Moderate to heavy
  • Winter design temperature: 17 Degree Fahrenheit
  • Mean annual temperature:  56.1 Degree Fahrenheit
  • Ice barrier underlying pavement: Yes
  • Flood hazards: Contact Environmental Engineer 804-556-5849
  • Air freezing index: 1500 or less
  • Shrink Swell Soil: View the Shrink - Swell Map.