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4 Jan 2019 01:07:10-Lateral Analysis.sm <br /> NKH Lateral Analysis <br /> ENGINEERING <br /> PROJECT NAME: Everett Carport DESIGNER: NKH <br /> Lateral effect on existing building okay by observation: <br /> Additional wind sail area negligable. <br /> Seismic loads resisted by cantilevered posts, and existing house walls through ledger. <br /> New Carport Roof LRFD <br /> Input Verify Output <br /> Risk Cat.: IV (ref. 1.5-1) <br /> L :=20 ft Building Length <br /> DLr f :=8 ps f Roof Dead Load <br /> B :=10 ft Building Width SDLrf:=8 psf Roof Seismic Dead Load <br /> hrf =8 ft Avg Roof Heightnext :=10 psf Exterior Stud Wall Load <br /> Drf:=3 ft Roof Depth pint `=10 psf Interior Wall Load <br /> p :=0 ft Parapet Height <br /> f 0. 1 •B l <br /> a :=min 10. 4 •hr f J a =1 ft Width of Pressure Coefficient Zone <br /> (E) Building MWFRS (per ASCE 7-10, Chapter 26 & 27) <br /> Roof Slope :=atan( 3 in 1 14.0362 deg <br /> 12 in <br /> Design Velocity Pressure - Enclosed/Partially Enlosed Buildings <br /> :=110 mph Basic Wind Speed (per city of Everett design criteria) <br /> Kd :=0.85 Directionality Factor (ref. section 26.6) <br /> exp :_"B" Exposure Category (ref. section 26.7) <br /> KZt :=1 0 Topographic Factor (ref. section 26.8) <br /> KZ :=0.66 Velocity Pressure Exposure Coefficient (ref. table 27.3-1) <br /> qZ :=0.00256 KZ •Kzt •Kd •VN 2 •(psf) Velocity pressure (eq 27.3-1) qZ =17. 4 psf <br />