Roof Live Load Duration Factor

1 for places of public assembly live loads in excess of 100 psf and for parking garages 0 5 for other live loads ƒ 2 0 7 for roof configurations such as sawtooth that do not shed snow off the structure 0 2 for other roof configurations 02 fanella chapter 02 p005 030 indd 7 26 07 18 7 15 pm. Snow loads wind loads seismic loads the load duration factor is selected based on the shortest duration load in the combination. Greater than 10 years 0 9 permanent 10 years 1 0 normal floor ll 1 year 1 075 long term temporary load 2 months 1 15 snow load 7 days 1 25 roof live load 10 minutes 1 6 wind or seismic load less than 2 seconds 2 0 impact load e g.

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