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MAXIMUM ALLOWABLE SPANS IN FEET <br /> FOR : 16 INCH ROOF PANEL, <br /> LIVE LOADS <br /> ( Per 1986 AISI Sections C3. 2, C3. 3, C3. 4 ) <br /> LOAD GA SIMPLE SPAN 2 SPANS 3 OR MORE SPANS <br /> PSF STRESS DEFL. DEFL. STRESS DEFL. DEFL. STRESS DEFL. DEFL <br /> ( L/180 ) ( 1.:./360 ) ( 1-./180 ) ( L/360 ) ( L/180 ) ( L_/360 ) <br /> 22 22 13. 4 13. 4 10. 8* 11. 8 11. B 11. 8 12. 7 12. 7 12. 7 <br /> 20 14. 9 14. 4* 11. 4* 13. 2 13. 2 13. 2 14. 3 14. 3 14. 3 <br /> 25 22 12. 0 12. 0 10. 1* 10. 5 10. 5 10. 5 11. 4 11. 4 11. 4 <br /> 20 13. 4 13. 4 10. 6* 11. 8 11. 8 11. 8 12. 7 12. 7 12. 7 <br /> 13 15. 4 14. 7 * 11. 7* 14. 6 14. 6 14. 6 15. 8 15. 8 14. 7* <br /> 30 22 11. 0 11. 0 9. 5m 9. 6 9. 6 9. G 10. 4 10. 4 10. 4 <br /> 20 12. 2 12. 2 10. 0* 10. 8 10. 8 10. 8 11. 6 11. 6 11. G <br /> 13 14. 1 13. 8* 11. 0* 13. 3 13. 3 13. 3 104 14. 4 13. 8- <br /> 35 22 10. 1 10. 1 90* 8. 9 8. 9 8. 9 9. 6 9. 6 9. 6 <br /> 20 11. 3 11. 3 9. 5* 10. 0 10. 0 10. 0 10. 8 10. 8 10. 8 <br /> 18 13. 0 13. 0 10. 4+ 12. 3 12. 3 12. 3 13. 3 13. 3 13. 1 * <br /> 40 22 9. 5 9. 5 8. 6* & 3 & 3 8. 3 9. 0 9. 0 9. 0 <br /> 20 10. 6 10. 6 9. 1 * 9. 3 9. 3 9. 3 10. 1 10. 1 10. 1 <br /> 18 12. 2 12. 2 10. 0* 11. 5 11. 5 11. 5 12. 5 12. 5 12. 5 <br /> 45 22 8. 9 8. 9 8. 3* 7. 9 7. 9 7. 9 8. 5 8. 5 8. 5 <br /> 20 10. 0 10. 0 8. 7* B. B 8. B 8. 8 9. 5 9. 5 9. 5 <br /> 18 11. 5 11. 5 9. G* 10. 9 10. 9 10. 9 11. 7 11. 7 11. 7 <br /> 50 22 8. 5 8. 5 8. 0* 7. 5 7. 5 7. 5 8. 1 8. 1 8. 1 <br /> 20 9. 4 9. 4 8. 4+ 8. 3 8. 3 8. 3 9. 0 9. 0 9. 0 <br /> 16 10. 9 10. 9 9. 3* 10. 3 10. 3 10. 3 11. 1 11. 1 11. 1 <br /> VALUES FOR 3 OR MORE SPANS ARE BASED ON 4 SPANS <br /> DENOTES LOAD CONTROLLED BY DEFLECTION <br /> DENOTES LOAD CONTROLLED BY MOMENT IN BETWEEN SUPPORTS <br /> THESE LOAD CAPACITIES ARE FOR THE PANEL ITSELF. FRAMES, PURLINS, CLIPS, <br /> FASTENERS, AND ALL SUPPORTS MUST BE DESIGNED TO RESIST ALL LOADS IMPOSED <br /> BY THE PANEL. <br /> FOR FULL PANEL CAPACITY ( ESPECIALLY ON SHORT SPANS ) , BEARING MUST BE CHECKED <br /> USING ACTUAL LOADS AND BEARING LENGTHS. <br />