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BUILDING DESIGN PROPERTIES SYMBOL VALUE UNIT <br /> BASIC WIND SPEED V 140 mph Figure 26.5-1C,page 249a <br /> ROOF PITCH 9 7 to 27 degrees <br /> MEAN ROOF HEIGHT h 15_ it <br /> ROOF SETBACK a 4 ft <br /> ADJUSTMENT FACTOR FOR BUILDING <br /> HEIGHT AND EXPOSURE 1 1.00 Figure 30.5-1,pg 347 <br /> TOPIGRAPHICALFACiOR r1 Figure 26.8-1,pg 252 <br /> EXPOSURE g <br /> EFFECTIVE WIND AREA 10 sf <br /> ZONE1 ZONE2 ZONE3 <br /> VARIABLE DESCRIPTION SYMBOL VALUE VALUE VALUE UNIT REFERENCE:ASCE 7-10 <br /> NET DESIGN WIND PRESSURE(UPLIFT) Pn•t30g20.03 <br /> -56.2 -83.1 psf Figure 30.5-1,pg 346 <br /> NET DESIGN WIND PRESSURE(DOWN) P-M 20.3 20.3 PSI Figure 30.5-1,pg 346 <br /> NET DESIGN WIND PRESSURE(UP) PRet"P -56.20 -83.10 psf Calculation:P„et"P=T x Kux Pnec3O <br /> NET DESIGN WIND PRESSURE(DOWN) Pnet do 20.30 20.30 psf Calculation:P etd.,,=J1x Kux P"et3D <br /> DESCRIPTION SYMBOL VALUE VALUE VALUE UNIT <br /> DEAD LOAD D 3 3 3 psf <br /> SNOW LOAD S 0 0 0 psf <br /> DESIGN WIND LOAD W -32.30 -56.20 -83.10 psf <br /> ASD DESIGN LOAD(UPLIFT) Pded,r, -22.70 -41.21 -62.05 psf Calculation:Pd®en=D+SQRT(0.6)W(asd) <br /> DOWNFORCE CASE 1 Pdedp 3 3 3 psf Calculation:Pdedan=l.OD+1.OS <br /> DOWNFORCE CASE 2 Pd,, 23.30 23.30 23.30 psf Calculation:Pdeve"=1.OD+1.OW <br /> DOWNFORCE CASE Pdey®, 1 18.23 18.23 18.23 psf Calculation:Pded2D=1.OD+0.755+0,75W <br /> DESIGN FACTORS&CALCULATIONS FOR THE USE OF L-FOOT TO ROOF TRUSS <br /> DESCRIPTION SYMBOL VALUE VALUE VALUE UNIT <br /> MODULE LENGTH C 5.42 ft <br /> MODULE WIDTH B 3.33 ft <br /> DESIGN LOAD PER MODULE T -410.04 -744.5 -1120.95 Ibs Calculation:T=Area"W <br /> DISTRIBUTED LOAD(UPLIFT) w -61.51 -111.68 -168.14p1f Calculation:w=T/B'2•"u"'"e3Z"'s°Gf1OY' <br /> DISTRIBUTED LOAD(DOWNFORCE) w 38.83 38.83 38,83 pif Calculation:W=PB/2'ns 1-20111M-I <br /> RAIL SPAN BETWEEN ANCHORS POINTS L 1 6 4 2 ft <br /> POINT LOAD(UPLIFT) R -369.03 -446.70 -336.28lbs Calculation•R=PLB/2•Am"'2reusrrerrw. <br /> POINT LOAD(DOWNFORCE) R 233.00 155.33 77.67 Ibs Calculation:R=PLB/2 aA,...2 r k P-- <br /> L-FOOT CONNECTED BY LAG SCREW TO <br /> ROOF TRUSS/RAFTER <br /> Specific Gravity,Rafter G 0.55 0.55 0.55 Table 11.2A,NDS 2005,page 68(Southern Pine) <br /> Min,Dia.of Lag Screw,5/16 D 0.3125 0.3125 0.3125 In <br /> Pullout Value of W 306.87 306.87 306.87 Ibs/in W=1800 G3a D"' <br /> #of Lag screws 1 1 1 <br /> Thread Length Td 2.8 2.8 2.8 In Table L2,NOS 2005 <br /> Design Pullout Value per Mount Wt 859.24 859.235 859.2.35 Wt=W•It of tags•Td <br /> SAFTEY FACTOR SF 1.33 :1.92 -2.56 Calculation:SF=W,/R(Uplift) <br /> xreP a.D.1-1•eR JYmr(mntlww,f) , <br /> Ddn1t!<+Tllars-1.b-1 b:arfL r.Mcra"rx rh•roof umr <br /> k..ntxu.m:d}na In 7wr nd.Tj...t.b:r.6;,r�no,wd.ge. <br /> Dmrnbt I"srlwA raolraee teavF a�tn u tatetd,!mr <br /> 1,2,or f emvvna wt5ryr 2 <br /> F1ac R-r mvdtndatusa.•ao•a rwwr Hip Reor(7•<0!;27.) <br /> C Donnie ;11GENj;,-- <br /> . Godwin No 81360 <br /> r - ^. tts •, 2020•11 .1 V 13 STATE OF :AIL: <br /> OT'•.�� <br /> . OiCC Op IV'.GN*` <br /> S <br /> THIS DEM HAS SEEN ELECTRON y <br /> sDWTN nrCsEIOW&DONNIEt]VD <br /> G•bre Roo((0 s r) Gable Rtwf(7'<0 S e1') 1 1 G�) AM PFXMO COPSES O mGs DOCIAIIE <br /> op 00 oV MDTIESIGNATMIZ NUSDTOEVERIFIEDON <br /> ANYEl MONI-FIES <br /> 000*1 <br /> Qlnte Zonet rid Saner '■ Corner Zones <br /> R-k.7r+s llYla'S R.A-Zm•2 <br /> iwrv:R:Q'f0 701,ll.,�,.Dar t••a N dtYa+N Oh.tva,r.f?4✓e 4 V�r. <br /> ' a I <br />