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PB Structures, PLLC Garage Remodel Job No. 22095 <br /> Peter M Blakely,SE, Member 1102 Wetmore Ave 09/30/22 <br /> WA License 46754 Everett,WA 98201 <br /> Page 2 <br /> Wind Loads-Per ASCE 7-16 Chapter 28, Envelope Procedure for Low Rise Buildings <br /> Part 2: Enclosed Simple Diaphragm Low-Rise Buildings <br /> Basic Wind Speed= 98 Vmph <br /> Wind Directionality Kd= 0.85 Section 26.6 and Table 26.6-1 <br /> Exposure Category= B Section 26.7 <br /> Topagraphic Factor Kzt= 1.00 Section 26.8 or Seattle DPD <br /> Ground Elevation Factor Ke= 1.00 Section 26.9 and Table 26.9-1 <br /> Enclosure Classification =Enclosed <br /> Int Press Coef.Gcpi= ±0.18 Table 26.13-1 <br /> Vel. Press. Exp. Coef Kh or Kz= 0.70 Table 26.10 <br /> Vel. Press.Qz or Qh = 14.63 Eq 26.10-1 Qz=0.00256*Kz*Kzt*Kd*Ke*(VA2) <br /> Roof Angle= 40 10:12 <br /> Mean Roof Height= 17 feet <br /> Adj Factor Height and Exp A= 1.00 Figure 28.5-1 <br /> PS30 Wind Pressures- Base <br /> Load Zones <br /> Case Horizontal Pressures Vertical Pressures Overhangs <br /> A B C D E F G H Eoh Goh <br /> 1 17.8 12.2 14.2 9.8 1.4 -10.8 0.5 -9.3 -6.3 -7.2 <br /> 2 17.8 12.2 14.2 9.8 6.9 -5.3 5.9 -3.8 -6.3 -7.2 <br /> Design Wind Pressures per Equation 28.5-1 Ps= I *A* Kzt* PS30 * 0.6(ASD factor) <br /> Load Zones <br /> Case Horizontal Pressures Vertical Pressures Overhangs <br /> A B C D E F G H Eoh Goh <br /> 1 10.7 7.3 8.5 5.9 0.8 -6.5 0.3 -5.6 -3.8 -4.3 <br /> 2 10.7 7.3 8.5 5.9 4.1 -3.2 3.5 -2.3 -3.8 -4.3 <br /> Minimum Design Wind Loads 28.5.4 <br /> Zones A&C= 16 Ultimate Zones B& D= 8 Ultimate <br /> 10 ASD(Ultimate* 0.6) 5 ASD(Ultimate *0.6) <br /> Horizontal Design Pressure Walls= 10 PSF(max LC1, LC2 or Minimum) <br /> Horizontal Design Pressure Roofs = 6 PSF(max LC1, LC2 or Minimum) <br /> PO BOX 354, MAPLE VALLEY, WA 98038 <br /> 425.691.0443/pete.pbstructures@gmail.com <br /> 22095 1102 Wetmore Ave Structural Calcs Pages 1-3 09.30.22 <br />