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BSOL2015-0233 Structural CalcsV-775 AFfrnsM ✓e CALCULATIONS FORT Job: THERESE SOLAR PANELS ©g. e. Address: 48775 Avenida Fernando La Quinta, CA 92253 INDEX TO CALCULATIONS Sheet Item 1 design loads, wind uplift check 2 attachment check, rail check, lateral check Engineering Calculations Performed By: Doug Engineering 20751 Kelvin Lane, Huntington Beach, CA 949-285-5104 For: Smart Energy Solar 1641 Commerce Street Corona, CA 92880 (951)273-9595 Project Number SES -1654 Date: 11/16/2015 BASIS FOR DESIGN CODE: 2013 California Building Code ASCE 7-10 LIVE LOADS ROOF LATERAL Seismic Design Category: Seismic Use Group SS S1 WIND Exposure V3s IW KZt a Pnet = % x 20.0 psf D 1 150% 60% C 123 mph 1 1 aft KZt x CITY OF LA QUANTA BUILDING & SAFETY DEPT. APPROVED FOR CONSTRUCTION DATE BY C 69163 EXP: 06-30-16 R 6.5 SDS 1 SD1 0.6 1 1 Figure 30.5-1 - Components and Cladding Table values are multiplied by X X = 1.21 Exposure C I X Pnet30 1 1 1 roof slope 7-27 degrees Atr;b = 20 sf Zoned Pnet30 = "-27.8 psf; (interior zones)_ All panels within Zone 1 &2 Zone 2 Pnet30 =-46.0 psf,(end zones)'" r Use Zone 2 Value Zone 3 Pnet30 = -62.7 psf (Corner Zones within a) Downward for all zones 16.5�psf PROJECT: Therese Solar Panels Doug Engineering CLIENT: SES Civil Engineering BY: DM DESIGN LOADS 2.00 ft Dead Loads E Roof 1500000 psi , Conc Tile 9.0 psf 5/8" Ply shtg 1.9 5 in^4 Rf Frm'g 2.8 Misc. 1.5 7.83 ft (N) PV System 3.0 = 867 ft -Ib Total DL 18.2 psf LL 20 psf Uplift Check 2x4 rafters @ 24" o.c. SHT. 1 OF DATE DE JOB NO. SES -1654 pupfiftzt = hupliftz2 = pWLdown = Uplift 0.6DL+0.6WL Zone 1 0.6'3.0-0.6'27.8 Zone 2 0.6'3.0-0.6'46.0 Downward DL+0.6WL PDL+WL = 27.8 psf 46.0 psf 16.5 psf 2 11/16/2015 -14.88 psf -25.8 psf 12.9 psf Spacing 2.00 ft Trib panel width = 4 ft E 1500000 psi , Fb = 900'1.5'1.15 1553 psi I 5 in^4 Maiiow&4Wind = 1109 ft -Ib Spans 7.83 ft Maiiow2x4LL = 867 ft -Ib Span2 7.58 ft See below for Wind Uplift loads Span3 0.00 ft due to concentated loads at attachments (Distance Wind Mmax P = Mmax to Att. Load Trib Load wind(ft• PVDL live(ft- Pts) a b R1 (lb) R2 (lb (psf) W (ft) (lb) Ib) (lb) Ib) Panel Edge -1.50 1 -0.50 -0.50 8.33 -279.0 16.7 -25.8 4.0 -262.3 131.2 30.5 -14.1 2 2.58 2.58 5.25 -101.4 -49.9 -14.9 4.0 -151.3 -261.9 30.5 45.93 Panel Edge 3.58 Panel Edge 8.67 3 9.67 1.84 5.74 -111.0 -35.5 -14.9 4.0 -151.3 -203.8 30.5 41.09 4 12.75 4.92 2.66 -51.4 -95.1 -14.9 4.0 -151.3 -252.9 30.5 50.98 Panel Edge 13.75 Panel Edge 13.75 5 14.75 6.92 0.66 -12.8 -133.7 -14.9 4.0 -151.3 -88.2 30.5 17.79 6 17.83 2.42 -2.42 46.8 -46.8 -14.9 4.0 -151.3 113.5 30.5 -22.9 Panel Edge 18.83 1 Span 1 Uniform DL 7.83 71.4 71.4 9.1 psf 2.0 18.2 plf 139.8 Span 2 Uniform DL 7.58 69.1 69.1 .9.1 psf _2.0 18.2 131.0 Reactions at Span1 -309.0 38.2 Negative values are uplift reactions Reactions at Span2 17.7 -25.9 Mmaxwindupiift = 131 ft -Ib < 1109 ft -Ib OK For DL+LL including the PV system weight point loads w = 70.4 plf P = 30.5 Ib Mmax = 572 ft -Ib < 867 ft -Ib OK PROJECT: Therese Solar Panels CLIENT: SES BY: DM Doug Engineering SHT. 2 OF 2 Civil Engineering DATE 11/16/2015 DE JOB NO. SES -1654 CHECK SCREW ATTACHMENTS FOR WIND UPLIFT Pwuplift = 262.3 Ib 5/16" Lag with min 2.5" penetration for each attachment Table 11.2A - NDS - Lag Screw Withdrawal Values For 5/16" Lag into .5G wood 266 Ib Allowable wind load = 1.6'2.5'266 1064 Ib > 262 Ib OK Unirac Selection Load for half a panel = 2.7' wUNIRAC = 57.78 plf Per the Unirac Manual for 60 plf, the max span for Solar Mount Unirac Rails is 6.5' Use L -Foot SolarMount Rails with a spacing of 48" o.c. max for attachment points, typ. Table 8. L -Foot SolarMount Series Rail Span SM - SolarMount HD - SolarMount Heavy Duty LATERAL ANALYSIS DETERMINE ADDITIONAL LOAD COMPARED TO EXISTING FOR LATERAL LOADING Aroofexisting= = 3000 sf Wpanel = 41 Ib Wroofexisting = 15.2*3000 = 45600 Ib 68 *Wpanel = w = DrsWuted Lead Wwallexisting = 15*80*4 = 4800 Ib Wrestofarray = (A) 20 25 30 40 50 60 I ' 8D 100 120 140 160 19 . 20D. 220 240 260 280 300 2 SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM 25 SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM 3 SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM SM�Y—+ SM SM SM SM SM SM SM SM SM SM SM SM _ S SM_-„��--� 4 SM SM SM SM SM SM SM SM SM SM HD 147, SM SM SM SM SM SM 5M SM SM _SM HD 5 SM SM SM SM SM SM SM SM _' HD HD 55 SM SM SM SM SM SM SM HD HD HD 6 SM SM SM SM 5M SM _ HD HD HD 65 SM SM SM SM SM SM HD HD HD 7 SM SM SM SM SM - HD HD HD 75 SM SM SM SM SM HD HD HD B SM SM SM SM HD HD HD M SM SM SM HD HD HD HD 9 SM SM SM HD HD HD HD 95 SM SM SM HD HD HD 10 SM SM 1 HD HD HD HD 10.5 SM SM HD HD HD HD II SM HD HD HD HD 11.5 SM HD HD HD HD 12 HD HD HD HD 12.5 HD HD HD HD LATERAL ANALYSIS DETERMINE ADDITIONAL LOAD COMPARED TO EXISTING FOR LATERAL LOADING Aroofexisting= = 3000 sf Wpanel = 41 Ib Wroofexisting = 15.2*3000 = 45600 Ib 68 *Wpanel = 2788 Ib Wwallexisting = 15*80*4 = 4800 Ib Wrestofarray = 798.32 Ib Wexisting = 50400 Ib Warray = 3586.3 Ib V = 0.182W Vroofexisting = 9173 Ib Existing Total Lateral Force Vroofwpanets = 9826 Ib New Total Later Force % increase = 9826 *100%-100%= 7.1% 9173 increase which results in less than a 10% increase in the stress of existing lateral resisting elements OK CERTIFICATE OF COMPLIANCE Certificate Number 20150223-E246423 Report Reference E246423-20040917 Issue Date 2015 -FEBRUARY -23 Issued to: SUNPOWER CORP 77 RIO ROBLES SAN JOSE CA 95134 This is to certify that PHOTOVOLTAIC MODULES AND PANELS representative samples of (See addendum for additional information.) Have been investigated by UL in accordance with the Standard(s) indicated on this Certificate. Standard(s) for Safety: UL 1703, 3rd Edition, revised May 20, 2014, "Standard for Safety for Flat -Plate Photovoltaic Modules and Panels." Additional Information: See the UL Online Certifications Directory at www.ul.com/database for additional information Only those products bearing the UL Listing Mark for the US and Canada should be considered as being covered by UL's Listing and Follow -Up Service meeting the appropriate requirements for US and Canada. The UL Listing Mark for the US and Canada generally includes: the UL in a circle symbol with "C" and "US" identifiers: D&s the word "LISTED"; a control number (may be alphanumeric) assigned by UL; and the product category name (product identifier) as indicated in the appropriate UL Directory. Look for the UL Listing Mark on the product. William R. Camey, Director, North American Certification Programs UL LLC Any information and documentation involving UL Mark services aro provided on behalf of UL LLC (UL) or any authorized licensee of UL. For questions, please contact a local UL Customer Service Representative at-ul.comlcontactus Page 1 of 2 CERTIFICATE OF COMPLIANCE Certificate Number 20150223-E246423 Report Reference E246423-20040917 Issue Date 2015 -FEBRUARY -23 This is to certify that representative samples of the product as specified on this certificate were tested according to the current UL requirements. Photovoltaic Modules: Models XXX -440 to -410, -408, -405, -402, -400, -398, -395, -392, -390, -388 —385, -382, -380, -375, - 345 to -293, -290, -285, -280, -250 to -225, followed by E or NE, may be followed by -BLK or —WHT, followed by -D, -I, or—U, where XXX represents SPR or SPV. Models XXX-EYY-### where XXX represents SPR or SPV, YY represents 18, 19, 20 or 21 and ### is any number from 440 to 375 or 345 to 285 or 250 to 225 and may be followed by —COM and/or -BLK Models XXX -450 to -435, XXX -345 to -311, XXX -262 to -233 followed by J, NJ, NX or X, may be followed by -BLK or -WHT, followed by -D, -I, -or -U, where XXX represents SPR or SPV. Models XXX-XYY-### where XXX represents SPR or SPV, YY represents 18, 19, 20 or 21 and ### is any number from 486 to 435 or 365 to 310 or 274 to 233 and may be followed by —COM and/or —BLK Flat -Plate Photovoltaic Modules with construction compliant to Module Fire Performance Type 2. William R. Camey, Director, North American Certification Programs UL LLC Any information and documentation Involving UL Mark services are provided on behalf of UL LLC (UL) or any authorized licensee of UL. For questions, please contact a local UL Customer Service Representative at wvnv.ul.comlcontactus Page 2 of 2