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Home My WebLink AboutPV2022-090 - Calcsp,4mq-01-0 (�i�-lav ?"IN I?Mgcts-t- SUNPOWER TM 3/31/2022 Attn.: To Whom It May Concern by BUILDING DIVISION Apr 05 2022 BY: D.E.A. re: Job RICHARD BROWN: 259 PROSPECT ST, NEWPORT BEACH, CALIFORNIA 92663 The following calculations are panels. ro All PV mounting installation spec If you have any qqes ti( j'K.- I engineering design of the photovoltaic rrvdljnstaljed per manufacturer's approved I Design Criteria: Code: 2019 California Building Code ASCE 7-16 Live Load: 20 psf Ult Wind Speed: 95 mph Exposure Cat: C Ground Snow: 10 psf 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 S U M P fir+' T 'r E RTM Structrure Geometry Date :3/31/2022 Job Code: RICHARD BROWN 2of7 Mean Roof Height, hn = 13 ft Eave Height, he = 8 ft Buiding Length, L = 73 ft Building Width, B = 27 ft Module Area = 20.8 ftz Roof Properties: Roof 1 Roof Pitch (deg) = 18 Roofing Type = Camp Shingle Sheathing Type = 5/8 OSB Sheathing Wood Species = Doug Fir -Larch #2 Wood Fb (psf) = 129600 Wood Fv (psf) = 25920 Wood E (psf) = 230400000 — Wood Lag Withdrawal (Ib/in) = 266 Framing Type= 2x6 Rafter Framing OC Spacing (in.) = 16 Section Thickness, b (in.) = 1.50 Section Depth, d (in.) = 5.50 Section Modulus, Sx (in .A3) = 7.56 Beam Span (ft) = 10.58 Pen Trib Width (ft) = 3.07 Rail Span (ft) = 6.67 CD (Wind) = 1.6 CD (Snow) = 1.15 CLS = 1.00 CM = 1.0 Ct = 1.0 CL = 1.0 CF = 1.3 Cfu = 1.0 Ci = 1.0 C, = 1.15 Mallowable_Wind (Ib -ft) = 1357 Mallowable snow (Ib -ft) = 975 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 S U N T W E I TM hpnd Load: Comp Shingle 3.0 5/8 OSB Sheathing 2.0 2x6 Rafter @ 16" OC 1.4 Misc (Insulation etc) 1.0 Total Roof 1 DL 7.4 psf PV DL 2.4 psf Cnnw I nad, Roof 1 Roof_Dist_DL= 9 M Roof Dist_DL = 132 Def—Roof—Dist—DL = 0.0066 PV_uni_Dist_DL= 10 psf 7 3 M_PV_uni_Dist_DL= 22 Pens_Down_DL= 43 Def_PV_uni_Dist_DL= Pens—Side—DL = 0.0022 Total_uni DL= 12 M_Total_uni DL= 174 Def Total uni DL= 0.0088 Rail_Down_DL= 10 psf 7 Rail _M_DL= Thermal Factor, Ct = 22 Pens_Down_DL= 0.9 47 Pens—Side—DL = 15 Ground Snow Load, pg = 10 psf Snow Importance Factor, Ic = 1 Thermal Factor, Ct = 1.2 Exposure Factor, Ce = 0.9 Flat Roof Snow, pf = 8 Roof 1 Slope Factore, Cs = 0.95 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 Date :3/31/2022 Job Code: RICHARD BROWN 3 of 7 Date:3/31/2022 Job Code: RICHARD BROWN p U N P OW E ^TM 4of7 Sloped Roof Snow, ps = 7 uni Dist_S= Directionality Factor, kd = 9 Muni Dist_S= Velocity Pressure Exposure Factor, kz = 127 Def uni Dist S= 0.0064 Rail _Down _S = 21 Module—Down—S= 7 Rail _M_S= 64 Pens_Down_S = 139 Pens Side 5 = 45 Wind Load: Ultimate Wind Speed = 95 mph Directionality Factor, kd = 0.85 Topographic Factor, kzt = 1 Velocity Pressure Exposure Factor, kz = 0.85 Ground Elevation Factor, ke = 1.00 Velocity Pressure, qz = 16.67 Array Edge Factor, VE = 1.5 Solar Equalization Factor, ya = 0.60 Roof 1 External Pressure Up, GCp_1= -2.00 External Pressure Up, GCp_2 = -2.60 External Pressure Up, GCp_3 = -3.10 External Pressure Down, GCp = 0.60 Design Pressure Up, p_1 = -30.01 Design Pressure Up, p_2 = -39.01 Design Pressure Up, p_3 = -46.51 Design Pressure Down, p = 16.00 uni_Dist_W_up = -40 M_uni_Dist_W_up = -560 Def_uni_Dist_W_up = -0.0282 uni_Dist_W_down = 21 M uni Dist W down = 298 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 S U N P WE RTM Def uni Dist W down = 0.0151 Module_Up_W1= -30 Module_Up_W2 = -39 Module Down W = 16 Rail_Up_W1= 1.4D : -92 Rail_Up_W2 = -120 Rail_Down_W = 49 Rail_M_Up_W1= 548 Ib -ft -284 Rail_M_Up_W2 = -370, Rail M Down W = 152 Pens_Up_W1= -614 Pens _Up_W2 = -799 Pens Down W = 328 Date:3/31/2022 Job Code: RICHARD BROWN 5of7 Module Check: Roof 1 Down = 16 psf < 125 psf OK Roof 1 Up z1 = 18 psf < 75 psf OK Roof 1 Up z2 = 23 psf < 75 psf OK Rail Check (LRFD): Roof 1 1.4D : 30 Ib -ft < 548 Ib -ft OK Roof 1 1.21)+1.65+0.5W : 205 Ib -ft < 548 Ib -ft OK Roof 1 1.21)+0.55+LOW : 216 Ib -ft < 548 Ib -ft OK Roof 1 0.91)+ LOW (Up z1) : 265 Ib -ft < 548 Ib -ft OK Roof 1 0.91)+ LOW (Up z2) : 350 Ib -ft < 548 Ib -ft OK Attachment Check Roof 1 LOD+0.6W : 243 lbs < 803 lbs OK Roof 1.01)+0,75*[1.05+0.6W]: 299 lbs < 803 lbs OK Roof 1 LOD+LOS: 186 lbs < 803 lbs OK Roof 0.61) + 0.6W (Up z1): 340 lbs < 803 lbs OK Roof 0.61) + 0.6W (Up z2): 451 lbs < 803 lbs OK 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 V u N P O T \ fay. RTM Lag Screw Uplift Check (ASD): Date:3/31/2022 Job Code: RICHARD BROWN 6of7 Roof 1 Lag Screw Withdraw] Value = 266 lbs 5/16 Dia. Roof 1 Lag Screw Penetration = 2.5 Roof 1 0.6D + 0.6W (Up z1) : 340 lbs < 665 lbs OK Roof 1 0.6D + 0.6W (Up z2) : 451 lbs < 665 lbs OK Framing Check (ASD): Roof 1 uni 1.OD+0.6W : 353 Ib -ft < 1357 Ib -ft OK Roof 1 uni 1.0D + 0.75*[1.05 + 0.6W] : 404 Ib -ft < 1357 Ib -ft OK Roof 1 uni 1.01)+ 1.OS : 301 Ib -ft < 1357 Ib -ft OK Roof 1 uni 0.61)+0.6W (Up z1) : 231 Ib -ft < 1357 Ib -ft OK Seismic Check: Stucco 10.0 psf 2x4 Studs @ 16" 2.0 psf Gypsum 3.0 psf Misc. (Insulation, etc.) 2.0 psf Total Wall DL= 17 psf Total Wall Area = 1600 ftA2 Total Wall W = 27200 lbs Existing Weight %increase = (Wexisting+ Wadditional) / Wexisting = 0.76% The increase in weight as a result of the solar system is less than 10% of the existing structure and therefore no further seismic analysis is required. 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 OK Total Roof DL = 7 psf Total Roof Area = 1971 ftA2 Total Roof W = 14621 lbs Existing Weight PV Panel W = 46 lbs Number of Panels= 7 Total PV W = 319 lbs Additional Weight %increase = (Wexisting+ Wadditional) / Wexisting = 0.76% The increase in weight as a result of the solar system is less than 10% of the existing structure and therefore no further seismic analysis is required. 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850 OK Y U N tea.►' T \ E RTM Limits of Scope of Work and Liability Date:3/31/2022 Job Code: RICHARD BROWN 7of7 The calculations produced for this dwelling's assessment are only for the proposed solar panel installation referenced in the stamped plan set and were made according to generally recognized structural anlaysis standards and procedures. 2125 E Katella Ave #220, Anaheim, CA 92806 1714.787.3850