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Y <br /> Seattle Structural PSIIII JOB TITLE StarbuckC <br /> 3131 Elliot Ave,Suite 604i 3625 Broa way Everett,WA <br /> 03 <br /> Seattle,WA 98121 JOB NO. P17 ^ _ E <br /> _,.6 SHEET NO. 44F'.y._._--.,_._.s.., <br /> 206-343-3000 CALCULATED BY TDM DATE 8/8/17 <br /> CHECKED BY DATE <br /> Wind Loads - Rooftop Structures & Equipment Ultimate Wind Pressures <br /> Budding (L)= 65.0 ft <br /> Building (B)= 56.0 ft <br /> Directionality (Kd)= 0.85 <br /> Rooftop Structures &Equipment#1 <br /> Equipment length parallel to L= 3.7 ft <br /> Equipment length parallel to B= 5.8 ft <br /> Height of equipment = 3.5 ft Base pressure(qh)= 18.4 psf <br /> Vertical wind pressure Wind normal to building B Wind normal to building L <br /> Ar= 21.4 sf Ar= 20.4 sf Ar= 12.9 sf <br /> GCr= 1.500 GCr= 1.90 GCr= 1.90 <br /> F=qhGCr Ar= 27.7 Ar(psf) F=qhGCr Ar= 35.0 Ar(psf) F=qhGCr Ar= 35.0 Ar(psf) <br /> Fv= 0.6 kips Fh= 0.7 kips Fh= 0.5 kips <br /> Rooftop Structures & Equipment#2 <br /> Equipment length parallel to L= 4.4 ft <br /> Equipment length parallel to B= 7.4 ft <br /> Height of equipment = 3.9 ft Base pressure(qh)= 18.4 psf <br /> Vertical wind pressure Wind normal to building B Wind normal to building L <br /> Ar= 32.8 sf Ar= 28.8 sf Ar= 17.3 sf <br /> GCr= 1.500 GCr= 1.90 GCr= 1.90 <br /> F=qhGCr Ar= 27.7 Ar(psf) F=qhGCr Ar= 35.0 Ar(psf) F=qhGCr Ar= 35.0 Ar(psf) <br /> Fv= 0.9 kips Fh= 1.0 kips Fh= 0.6 kips <br /> e(' P/-71:\‘) <br /> f ,. <br />