Installation guide

33
Appendix II
FIGURE R301.2(3) WEATHERING PROBABILITY MAP FOR CONCRETE
a. Alaska and Hawaii are classified as severe and negligible, respectively.
b. Lines defining areas are approximate only. Local conditions may be more or less severe than indicated by region classificati
on. A
severe classificatio
n i
s where weather
conditions
result
in significant snowfall combined with extended periods during which there is
little or no natural thawing causing deic
ing salts to be used extensively.