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Table 2.3.2 Frequently Used Load Duration <br />Factors, Cob <br />Load Duration (11, Typical Design Loads <br />Permanent 09 Dcad Load <br />Ten years 1.0 Occupancy Live Load <br />Two months L 15 Snow Load <br />Seven days 125 Construction Load <br />Ten minutes 16 Wind/Earthquake Load <br />Impact" 2.0 Impact Load <br />1 Load duration tictors shall not apply to iricrmcc modulus tit dasuct- <br />tv. L rcfcrrocc modulus of elasucity for beam and column stability. <br />L_, nor to wirrence compression perpendicular to gram design values, <br />r based on a dctirnnatum limit <br />_ Load duration !actors greater than 1 6 %ball not apply to structural <br />members pressure -treated with water -home preservamrs isce defer- <br />ence 301. or trrr retardant chcaucals. 'I he ampact load duration factor <br />"I not a ppiv to connections <br />2.3.3 Temperature Factor, Ct <br />Reference design values shall be multiplied by the <br />temperature [actors, C,, in Table 2-3.3 for structural <br />members that will experience sustained exposure to ele- <br />vated temperatures up to 150'F (see Appendix C), <br />2.3.4 Fire Retardant Treatment <br />The effects of fire retardant chemical treatment on <br />strength shall be accounted for in the design. Adjusted <br />design values, including adjusted connection design <br />values, for lumber and structural glued laminated umber <br />pressure -treated with fire retardant chemicals shall be <br />obtained from the company providing the treatment and <br />redrying service_ Load duration factors greater than 1.6 <br />shall not apply to structural members pressure -treated <br />with fire retardant chemicals ( see Table 2.3.2 ). <br />Tab 1 e 2.3.3 Temperature Fatly w, Ct <br />2.3.5 Format Conversion Factor, KF (LRFD <br />Only) <br />For LRFD, reference design values shall be multi- <br />plied by the format conversion factor, Ki-, specified in <br />Table 23.5_ The format conversion factor, Kt, shall not <br />apply for designs in accordance with ASD methods <br />specified herein <br />2.3.6 Resistance Factor, QI (LRFD Only) <br />For LRFD, reference design values shall be multi- <br />plied by the resistance factor, 41< specified in Table 23.6. <br />The resistance factor, 40. shall not apply for designs in <br />accordance with ASD methods specified hereto_ <br />2.3.7 Time Effect Factor, /_ (LRFD Only) <br />For LRFD. reference design values shall be multi- <br />plied by the time effect factor, X, specified in Appends., <br />N.3.3_ The time effect factor, X, shall not apply for de- <br />signs in accordance with ASD methods specified herein <br />Reference Design In Service C, <br />Values Moisture <br />Conditions TS1000F I00'F-T&125°F 1215OF-f51__WF <br />f , L. Ll,, Wet or Dr_y I.0 0.9 0.9 <br />Dry 1.0 0.8 0.7 <br />F,., Fn and F. Wei 1.0 0.7 0.5 <br />\6 cr and dry sen-rcc r.ondwons for ciwn lumberstructural glued larmnmed umber, prcL*ncwcd t%vod i-jntsts_ vur i usl <br />comlaisrtc lumber. «card ciructurak panels and crass-fammatcd runher arc sp —died m 4 14,514T 7 1.4. M. l 4. 9.3 3. and <br />IU 1.5 resptectnety <br />