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Design Criteria: 
The following load criteria are based on Chapter 16 of the
2015 Virginia Construction Code, and Chapter 3 of the 2015 Virginia Residential Code.

Type Amount
GROUND SNOW LOAD 25 PSF
WIND SPEED 115 miles per hour three second gust
 89 miles per hour fastest wind speed
EARTHQUAKE SPECTRAL RESPONSE .16 at short periods
RESIDENTIAL SEISMIC DESIGN CATEGORY B
WEATHERING PROBABILITY FOR CONCRETED Severe
TERMITE INFESTATION PROBABILITY Moderate to Heavy
DECAY PROBABILITY Moderate
ICE/WATER SHIELD REQUIRED Yes
WINTER DESIGN TEMPERATURE  17 degrees Fahrenheit
AIR FREEZING INDEX LESS THAN OR EQUAL TO 1500 DEGREES °F
FROST DEPTH  24 inches
MEAN ANNUAL TEMPERATURE  50 degrees Fahrenheit