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HomeMy WebLinkAboutWIND LOADS ANALYSISWIND LOADS ANALYSI Developed by MECA Enterprises, Inc. Copyright FEB 0 5 2019 Lucie County, Date 1/8/2019 Project No. AHP-18005 Company Name Advance Hurricane Protection Designed By P.E. Julio E. Gonzalez Address 10152 S Ocean Or 412 B Description Shutters City St. Lucie Customer Name Pennink Residence State Florida Proj Location Jensen Beach FL, 34957 File Location: T:\Clients\AHP\PM's\JOBS\2018\18005 Pennink Residence\Wind Loads\Pennink me Input Parameters: Directional Procedure All Heights Building (Ch 27 Part 1) Basic Wind Speed(V) = 165.00 mph Structural Category = II Exposure Category - D Natural Frequency = N/A Flexible Structure - No Importance Factor 1.00 Kd Directional Factor - 0.85 Alpha = 11.50 Zg - 700.00 ft At = 0.09 Bt 1.07 Am 0.11 Bm = 0.80 Cc 0.15 1 650.00 ft Epsilon = 0.13 Zmin 7.00 ft Pitch of Roof = 0 : 12 Slope of Roof(Theta) _ .00 Deg h: Mean Roof Ht - 75.00 ft Type of Roof - FLAT RHt: Ridge Ht = 75.00 ft Eht: Eave Height = 75.00 ft ON: Roof Overhang at Eave= .00 ft Overhead Type = No Overhang Bldg Length Along Ridge = 63.00 ft Bldg Width Across Ridge= 153.00 ft Gust Factor Calculations Gust Factor Category I Rigid Structures - Simplified Method Gustl: For Rigid Structures (Nat. Freq.>1 Hz) use 0.85 - 0.85 Gust Factor Category II Rigid Structures - Complete Analysis Zm: 0.6*Ht = 45.00 ft lzm: Cc*(33/Zm)^0.167 0.14 Lzm: 1*(Zm/33)^Epsilon = 675.69 ft 0: (1/(1+0.63*((B+Ht)/Lzm)^0.63))^0.5 = 0.87 Gust2: 0.925*I(1+1.7*lzm*3.4*Q)/(1-+1.7*3.9*]zm)) = 0.87 Gust Factor Summary Not a Flexible Structure use the Lessor o£ Gustl or Gust2 = 0.85 Table 26.11-1 Internal Pressure Coefficients for Buildings, GCpi GCP1 : Internal Pressure Coefficient - +/-0.18 Wind Pressure Main Wind Force Resisting System (MWFRS) - Ref Figure 27.4-1 Kh: 2.01*(Ht/Zg)^(2/Alpha) - 1.36 Kht: Topographic Factor (Figure 6-4) - 1.00 Oh: .00256*(V)^2*I*Kh*Kht*Kd - 48.45 psf Cp.: Windward Wall Cp(Ref Fig 6-6) - 0.80 Roof Area - 9639.00 ft-2 Reduction Factor based on Roof Area - 0.80 Wind Pressure on Components and Cladding (Ch 30 Part 3) All pressures shown are based upon ASO Design, with a Load Factor of .6 Width of Pressure Coefficient Zone "a" = - 6.30 ft Description Width Span Area Zane Max Min Max P Min P Elev t OGp GOP Psf paf ft ___________________ _ _-__£tft __________-_--___________-____________ Mark 1 (Shutter 11.67 8.00 93.3 5 0.76 -1.42 45.37 -77.37 75.0 Khcc:Comp. a Clad. Table 6-3 Case 1 0hcc:.00256*V^2*Khcc*Kht*Kd FILE C 0 PY - 1.36 = 48.45 psf JTn 10 E. GONZAI EZ, P.E. SCAN h BY te'ro^ St. Lucie County ADVANCED HURRICANE PROTECTION W U OLL wm� ~ m Z am W LL o V „ram w W O z W d W Z Q U Z �O LE m _ U O „ Qa p Z Q LL.I J U 4�b�- DES 113 N JB DESIGN & PERMITTING,INC. 6499 POWERLINE RD., #203 FORT LAUDERDALE, FL. 33309 TEL. 754-701-7126 WW W.JBDTEAM.COM 0A Design & Pem;Wn& Inc 2017 SHEET It A. 1