YWW 60 TU Window Wall System WIND LOAD CHARTS E9-2750 / E9-2751 w/ 1/4 " x 3-3/4 " Steel Bar V E R T I C A L H E I G H T (FT) 11 12 13 14 15 16 17 18 19 20 10 9 234567 VERTICAL SPACING (FT) A B C D Ixx=7.860 in4 (327.16 cm4 ) A= 15 PSF (720 Pa) B= 20 PSF (960 Pa) C=30 PSF (1440 Pa) D = 45 PSF (2160 Pa) Page-32 03-1009-04 | Effective Date: Feb 6, 2024