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HOANG DAN PHAM, P.E HD ENGINEERING CONSTRUCTION 6/29/2025 <br />WIND LOADS ANALYSIS - ADU <br />Per ASCE 7-16, PART 2 Section 28.5 Simplified Design <br />Risk Category of Building:II Per ASCE7-16 Table 1.5-1 <br />3-Second Gust Wind Speed (mph):PS30 =110 Per ASCE 7-16, Figure 26.5-1A <br />Exposure Category B Per ASCE 7-16, Section 26.7.3 <br />Topographic factor KZt=1.0 Per ASCE 7-16, Section 26.8 <br />Building Height & Exposure, Adjustment Factor: <br />Per ASCE 7-16 Mean Ht.0 to 15'15' to 20'20' to 25'25' to 30'30' to 35' <br />Figure 28.6-1 Adj. Fac.1.00 1.00 1.00 1.00 1.05 <br />Use Mean Roof Height of:12.0 ft < Least Horizontal Dimension OK <br />Adjustment Factor:λ =1.00 <br />Edge Strip and End Zones: <br />Building Eave Height:9.0 ft <br />Least Horizontal Dimension (Width):24.5 ft <br />Edge Strip (a):3.0 ft <br />10% of least horizontal dimension:2.45 ft <br />40% of building eave height:3.6 ft <br />4% of least horizontal dimension:1.0 ft <br />Or 3' minimum required:3.0 ft <br />End Zone Width (2a):6.0 ft <br />Longest Horizontal Dimension (Length):40.0 ft <br />Building Roof Pitch/ Roof Angle (Transverse - Y)6 :12 18.4 Deg. < 45 OK <br />Building Roof Pitch/ Roof Angle (Longgitudinal - X)6 :12 <br />Number of story:1 <br />Roof Top Plate (ft):9.0 ft <br />Wind Roof Height (ft):Transverse - Y =16.0 ft Longitudinal - X =13.0 ft <br />Design Wind Pressure for MWFRS:PS = l KZt IW PS30 <br />Slope Angle A B C D <br />6 to 12 25 24.1 3.9 17.4 4 <br />Wind Presure (psf)Transverse - Y Wind Presure (psf)Longitudinal - X <br />End Wall End Roof Int. Wall Int. Roof End Wall End Roof Int. Wall Int. Roof <br />24.10 3.90 17.40 4.00 24.10 24.10 17.40 17.40 <br />Minimum Design Wind Load ( Section 28.4.4 ASCE 7-16) : 16.00 psf <br />Wind Load (plf)Transverse - Y Wind Load (plf)Longitudinal - X <br />End Wall End Roof Int. Wall Int. Roof End Wall End Roof Int. Wall Int. Roof <br />216.90 27.30 156.60 28.00 216.90 24.05 156.60 34.80 <br />Wind Load (lbs)Transverse - Y Wind Load (lbs)Longitudinal - X <br />W(+) end W(+) int.W(+) roof W(+) total W(+) end W(+) int.W(+) roof W(+) total <br />1301 5324 1116 7742 1301 2897 788 4987 <br />0.6W 4645 2992 <br />L-1