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Project: Muir Chase Plumbing <br />Date: <br />SYSTEM CHARACTERISTICS & BUILDING DIMENSION <br />CITY OF SANTA ANA <br />aki 09-clk)d $u21W49)A cy <br />/29/2024 Engineer: PZSE <br />Approved <br />FOR PERMIT ISSUANCE <br />Governing code: ASCE 7-16 <br />Description <br />Variable <br />Value Unit <br />r5g& Reference <br />PV System Characteristics: <br />............................................................................................................................................................................................................................................................................................................................................................................................. <br />....................................................................................... <br />PV Module N-S Length <br />L (or Ip) <br />3.44 ft <br />Note: North always <br />PV Module E-W Width <br />W <br />6.92 ft <br />refers to panel north, <br />PV Module Weight (Each) <br />WPv <br />53.8 Ibs <br />which is the raised <br />Space Between Adjacent Rows (N-S) <br />0.67 ft <br />edge of the panel. <br />Space Between Adjacent Modules (E-W) <br />0.03 ft <br />PV Module Height above Roof at Low Edge <br />hl <br />0.54 ft <br />Tilt Angle of Module <br />W <br />6 degrees <br />Friction Factor <br />µ <br />0.4 <br />SEAOC PV1-2012 <br />Allowable Load Sharing (# of modules N-S) = <br />3 modules <br />Allowable Load Sharing (# of modules E-W) = <br />3 modules <br />Allowable Load Sharing Area of System = <br />9 modules <br />Ballast Configuration: 4 panels share 1 bay <br />Bay Weight: <br />4.8 Ibs <br />Ballast Stone "A" 4x8x16 (Nominal) CMU Cap Block <br />Weight: <br />32.5 Ibs <br />Ballast Stone "B" not used <br />Weight: <br />0.0 Ibs <br />Building Characteristics: <br />Occupancy Category <br />II (Table 1-1) <br />Roof Pitch <br />O <br />1 degrees <br />Average Roof Height of Structure above Ground <br />h <br />30 ft <br />Array Attachment Height above Ground <br />z <br />30 ft <br />Average Parapet Height <br />hPt <br />3 ft <br />North -South Width of Building <br />WN_5 <br />77.5 ft <br />East-West Width of Building <br />WE_W <br />122.5 ft <br />Ground Snow Load <br />pg <br />0 psf <br />Site Elevation <br />e <br />0 ft <br />Positive Attachment Requirements: <br />Are anchors required to reduce ballast weight? No <br />Are anchors required limit maximum number of blocks per bay? No <br />Are anchors required to resist Seismic displacement? No <br />Remove blocks at anchored bays? Yes <br />Allowable PV Dead Load = N/A psf <br />Maximum Number of blocks per bay = 4 Blocks <br />Attachment Capacity (uplift) = 505 Ibs See attached calc for <br />Attachment Capacity (lateral) = 820 Ibs anchor capacity <br />Note: Residual forces shown on Attachment calculations are ASD-level forces with load combinations applied. Pressures <br />shown do not include load combinations. <br />Page 3 of 20 <br />