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Project: Santa Ana -- Job #: 2023-10986 <br />Date: 9/12/2023 Engineer: BV <br />Number of PV Modules: 316 Modules <br />Number of Bays: 437 Bays <br />Number of ballast blocks: 890 blocks <br />Block type: 4x8x16 (Nominal) CMU Cap Block <br />Block weight, W =32.5 lb <br />Weight of PV Modules & racking: 18,381 lb Area covered by PV system: 9,753 Sq. ft <br />Weight of Ballast: 28,925 lb Average PV system dead load: 4.9 psf <br />Total weight of PV system: 47,306 lb <br />Summary by Roof: <br />Roof Name # of <br />Modules <br /># of <br />Bays <br /># of <br />Blocks N/A # of <br />Attachments <br />PV Area <br />(Sq. ft) <br />Average <br />Weight (psf) <br />Max Bay <br />Weight (lb) <br />Roof 1 316 437 890 0 0 9,753.2 4.9 153.9 <br />Summary by Section: <br />Section Name # of <br />Modules <br /># of <br />Bays <br /># of <br />Blocks N/A # of <br />Attachments <br />Array Area <br />(Sq. ft) <br />Average <br />Weight (psf) <br />Max Bay <br />Weight (lb) <br />Roof 1 Arr 1 171 230 472 0 0 5,277.8 4.8 153.9 <br />Roof 1 Arr 2 145 207 418 0 0 4,475.4 4.9 153.9 <br />Totals: 316 437 890 0 0 9,753 <br />4 5 6 <br />7 8 9 <br />1 2 3 <br />Summary of Ballast Calculations: <br />The block weight is a critical component of these calculations. If the actual block weight(s) differ from that shown here, these <br />calculations shall be considered invalid. Please contact PZSE so that accurate ballast counts may be provided. <br />Note: Print order for large array calculations is "RIGHT THEN DOWN" <br />Page 7 of 52 <br />3600 W Segerstrom Ave - <br />101117310 & 201813801/11/2024