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Project: Ross Durant I -- Job #: 2025-04579 Date: 7/29/2025 Engineer: DF Design Wind Load Calculation for Sollega FastRack system per Wind Tunnel Test Report (ASCE 7-16 §29.4.3) Variable Value Unit Risk Category II Table 1.5-1 Importance factor (ASCE 7-05 only)I 1.00 Exposure Category B Mapped Wind Velocity V 95 mph Adjustment Factor for Height and Exposure Category Kz 0.70 ASCE 7-16 (Table 26.10-1) Topographic Factor (assumed to be 1 for level ground)Kzt 1.0 ASCE 7-16 26.8-1 Directionality Factor Kd 0.85 ASCE 7-16 (Table 26.6-1) Elevation Factor Ke 1.00 ASCE 7-16 26.9 Velocity Pressure qh 11.84 psf ASCE 7-16 (Eqn 26.10-1) Tilt Angle of Module ω 10 degrees Friction Factor μ 0.4 SEAOC PV1-2012 Average Roof Height of Structure Above Ground h 30 ft Parapet Height hpt 1.33 ft North-South Width of Building WN-S 100.0 ft Roof Zone Width parallel to North-South L1, L2, L7, or L8 65.6 ft Array 1 East-West Width of Building WE-W 150.0 ft Array 2 Roof Zone Width parallel to East-West L4, or L 5 65.6 ft Array 3 PV Module Length lp 3.37 ft Array 4 Tilt Angle of Module ω 10.00 degrees Array 5 PV Module Height Above Roof at Low (South) Edge h1 0.54 ft Array 6 PV Module Height Above Roof at High (North) Edge h2 1.13 ft Note: 2. Pressures and results converted to US standard units for use in the North American market . Interior Row, Interior Module 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 guidance given in ASCE 7 section 26.11.3, the estimated period of this structure is 0.4 seconds. South Row, 1st-4th Module South Row, Interior Module WIND DESIGN LOAD CALCULATIONS Description Building and Array Parameters 1. GCp values are derived per the wind tunnel test report by Institut für Industrieaerodynamik GmbH [IFI] (Report SOF02-1, dated March 12, 2019)." Array Zone Key: North Row, 1st-4th Module North Row, Interior Module Interior Row, 1st-4th Module Page 6 of 29