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W y s s l i n g C o n s u l t i n g 76 N. Meadowbrook Drive (201) 874-3483 Alpine, UT 84004 W i n dU p l if t swyssling@wysslingconsuiting.com R o o f t o p S o l a r P a n e l s P a r a l l e l t o R o o f S u r f a c e ASCE 7-16, Section 29.4.4 V=98 ~?_?_Basic Wind Speed Hernandez Residence Exposure C ASCE 7-16, Section 26.7 1402 Alona Street K,=0.85 Velocity Pressure Coefficient, ASCE 7-16, Figure 26.10-1 Santa Ana, CA Ka=1 Topographic Factor, ASCE 7-16, Section 26.8.2 Ky=0.85 _Directionality Factor, ASCE 7-16, Section 26.6 K,=1.000 ? Ground Elevation Factor, ASCE 7-16, Section 26.9 qu=16.7 psf qy = 0.00256K,K,,KyK,V? (ASCE 7-16 Eq. 26.10-1) RoofAngle= 21 deg Roof Type Gable Smnchor= 72in Horizontal spacingof roof anchors A c = 10.22 sf Panel Area tributary to each roof anchor Gc,External Pressure Coefficient, ASCE 7-16, Figure 30.3-2 RoofZone Zone1 2e 2n 2r 3e 3r +150 +1.50 2.50 +2.50 -2.50 3.36 g.= 0 ,8 0 Pressure Equalization Factor, ASCE 7-16 Figure 29.4.-8 Ge= 1.00 ?_ Edge Array Factor, ASCE 29.4.4 edges < 0.5*building height, and pane! spacing < 4ft. Poe = GxGCy@eQ,= Design Wind Pressure,ASCE 7-16, Equation 29.4-7 Roof Zone 1 2e 2n 2r 3e 3r -20 psf -20 psf -33 psf ?33 psf -33 psf ?«--45 psf Min Pressure = -16 psf Use 20 psf Use 20 psf Use33 psf Use 33 psf Use 33 psf Use 45 psf ULTIMATE x0.6= 16 psf 16 psf 20 psf 20 psf 20 psf 27 psf ALLOWABLE Connection to Existing Roof Framing F.S.= 1 Additional Factor of Safety applied to withdrawl force, i f desired A w = 102 f DLyent= 3 psf Roof Zone 1 2e an 2r 3e 3r Wioin= 20 psf 20 psf 33 psf 33 psf 33 psf 45 psf Roof Zone 1 2e 2n 2r 3e -107.3 Ibs -107.3 b s -188.9 Ibs -188.9 lbs -188.9 Ibs Connection Capacity d,=5/16 in Lag Screw diameter Dpen=2 1/2 in Lag Screw penetration into existing framing member No.of Screws 1 Screws per Connection Spruce-Pine-Fir Species of wood framing C o =1.6 L oad D ur ati on F actor f o r W i n d L oadi n g , N D S T abl e 2.3.2 S i gned 4 /26 /20 23 C =0.7 T em p erature Factor, N D S T abl e 10.3.4 We= 20 5 I b/in W i t h d r a w l Capacity, N D S E q uation 11.2-1 W = C y x C , x W = 229 Ib/in Adjusted withdrawl value Patow =Dpea X W ' = 573 Ibs h i s analysis calculates the capacity oft h e lag screws Roof Zone 1 2e 2n 2r 3e 3r only. For capacityof t h e D E M A N D = 1 0 7 l b s 1 0 7 I b s 1 8 9 lbs) = 1 8 9 I b s = 18 9 Ibs) 2 5 9 I bs complete mounting system, C A P A C I T Y = 5 7 3 ] b s 5 7 3 l b s 5 7 3 l b s 5 7 3 I bs 9573 1bs 5 7 3 I bs __ please see manufacturer's up to72in ok up to72in ok up to72in ok up to72in ok up to72in ok up to72in ok recommendations. 2402 N Alona St 06/06/23