YWW 50 TU Window Wall System WIND LOAD CHARTS (Continued) V E R T I C A L H E I G H T E9-2768 / E9-2769 w/ 1/4" x 3" Steel Bar 14 13 12 11 10 9 C 8 Ixx=4.035 in4 (167.95 cm4) D 7 ( FT) 6 5 2 3 4 5 6 7 V E R T I C A L S PA C I N G ( F T ) Effective Date: July 14, 2020 | 03-1009-02 A = 15 PSF (720 Pa) B = 20 PSF (960 Pa) C = 30 PSF (1440 Pa) D = 45 PSF (2160 Pa) Page-13