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Project: Santa Ana -- Job #: 2023-10986 <br />Date: 9/12/2023 Engineer: BV <br />Design Wind Load Calculation for Sollega FastRack system per Wind Tunnel Test Report (ASCE 7-16 §29.4.3) <br />Variable Value Unit <br />Risk Category II Table 1.5-1 <br />Importance factor (ASCE 7-05 only)I 1.00 <br />Exposure Category B <br />Mapped Wind Velocity V 95 mph <br />Adjustment Factor for Height and Exposure Category Kz 0.73 ASCE 7-16 (Table 26.10-1) <br />Topographic Factor (assumed to be 1 for level ground)Kzt 1.0 ASCE 7-16 26.8-1 <br />Directionality Factor Kd 0.85 ASCE 7-16 (Table 26.6-1) <br />Elevation Factor Ke 1.00 ASCE 7-16 26.9 <br />Velocity Pressure qh 12.53 psf ASCE 7-16 (Eqn 26.10-1) <br />Tilt Angle of Module ω 10 degrees <br />Friction Factor μ 0.4 SEAOC PV1-2012 <br />Wind Equation & Governing Load Combinations <br />Design Wind Force: W = qh (GCp) * A <br />Eq.: 2.4.1-5:D + 0.6W (Downward) <br />Eq.: 2.4.1-7:1D + 0.6W (Uplift and Drag) <br />Average Roof Height of Structure Above Ground h 35 ft <br />Parapet Height hpt 3 ft <br />North-South Width of Building WN-S 208.5 ft <br />Roof Zone Width parallel to North-South L1, L2, L7, or L8 65.6 ft Array 1 <br />East-West Width of Building WE-W 148.0 ft Array 2 <br />Roof Zone Width parallel to East-West L4, or L 5 65.6 ft Array 3 <br />PV Module Length lp 3.41 ft Array 4 <br />Tilt Angle of Module ω 10.00 degrees Array 5 <br />PV Module Height Above Roof at Low (South) Edge h1 0.54 ft Array 6 <br />PV Module Height Above Roof at High (North) Edge h2 1.14 ft <br />Note: <br />2. Pressures and results converted to US standard units for use in the North American market . <br />WIND DESIGN LOAD CALCULATIONS <br />Description <br />Building and Array Parameters <br />1. GCp values are derived per the wind tunnel test report by Institut für Industrieaerodynamik GmbH [IFI] (Report SOF02-1, dated March 12, <br />2019)." <br />Array Zone Key: <br />North Row, 1st-4th Module <br />North Row, Interior Module <br />Interior Row, 1st-4th Module <br />Interior Row, Interior Module <br />3. Maximum allowable building height is 60 ft, unless it can be demonstrated that the building's natural period, T, is less than 1 second. Per <br />guidance given in ASCE 7 section 26.11.3, the estimated period of this structure is 0.467 seconds. <br />South Row, 1st-4th Module <br />South Row, Interior Module <br />Page 5 of 52 <br />3600 W Segerstrom Ave - <br />101117310 & 201813801/11/2024