YSG 40/50/50 T Ribbon Window System YSG 40/50/50 T WIND LOAD CHARTS DEFLECTION CRITERIA: AAMA TIR-A11 - L/175 or L/240 + 1/4" (6.4mm) - FOR SPANS GREATER THAN 13'-6" (4.1m) BUT LESS THAN 40'-0" (12.2m) CODES AND SPECIFICATIONS MAY VARY, NO SINGLE LITE OF GLASS SHALL DEFLECT MORE THAN 3/4" (19.1mm) ALLOWABLE WIND LOAD STRESS YKK AP tested standard. Contact YKK AP for more information. These charts include unbraced length analysis and are based off at least one horizontal being placed at the midpoint of the span. For other applications, please contact YKK AP engineers at 1-866-955-2732. E9-2001 / (2) E1-0159 E9-2001 V E R T I C A L 12 11 10 9 A Ixx=1.322 in4 (55.03 cm4) B 8 H E I G H T 7 Ixx=2.267 in (94.36 cm4) C D 6 5 (FT) V E R T I C A L 14 H E I G H T 9 13 12 11 10 4 A B 8 C D 7 6 (FT) 2 3 4 5 6 2 7 V E R T I C A L S PA C I N G ( F T ) A=15 PSF (720 Pa) B=20 PSF (960 Pa) C=30 PSF (1440 Pa) D=40 PSF (1920 Pa) 3 4 5 6 7 V E R T I C A L S PA C I N G ( F T ) E9-2001 / (2) E1-0161 V E R T I C A L H E I G H T 17 16 15 14 13 12 A 11 Ixx=4.152 in 4 4 (172.84 cm ) B 10 C D 9 8 7 (FT) 2 3 4 5 6 7 V E R T I C A L S PA C I N G ( F T ) Page-6 03-1001-01 | Effective Date: January 1, 2010