Laserfiche WebLink
BUILDING DESIGN PROPERTIES SYMBOL VALUE UNIT <br /> BASIC WIND SPEED UK <br /> mph Figure 26.5-1C,page 249a <br /> ROOF PITCH degrees <br /> MEAN ROOF HEIGHT ft <br /> ROOF SETBACK ftADJUSTMENT FACTOR FOR BUILDING Figure 30.5-1,pg 347 <br /> HEIGHTAND EXPOSURE <br /> TOPIGRAPHICAL FACTOR Figure 26.8-1,pg 252 <br /> EXPOSURE EFFECTIVE WIND AREA sf <br /> ZONE ZONE ZONE3 <br /> -E UNIT REFERENCE:ASCE 7-10 <br /> VARIABLE DESCRIPTION SYMBOL VALUE VALUE VALUE <br /> NET DESIGN WIND PRESSURE(UPLIFT) P_ 32.3 56.2 -83.1 psf Figure 30.5-1,pg 346 <br /> NET DESIGN WIND PRESSURE(DOWN) P„.: 20.3 20.3 20.3 psf Figure 30.5-1,pg 346 <br /> NET DESIGN WIND PRESSURE(UP) P„Er„i, -32.30 -56.20 -83.10 psf Calculation:P,, ,=A x Kz,x P°r,3o <br /> NET DESIGN WIND PRESSURE(DOWN) P°.r d°w° 01 20.301 20.30 psf Calculation:P-d°,„,=Xx Kztx P°e3u <br /> DESCRIPTION SYMBOL VALUE VALUE VALUE UNIT <br /> DEAD LOAD D P3230 <br /> 3 3 psf <br /> SNOW LOAD S 0 0 psf <br /> DESIGN WIND LOAD W -56.20 -83.10 psf <br /> ASO DESIGN LOAD(UPLIFT) P,,, -22.70 -41.21 -62.05 psf Calculation:Pd�jv=D+SQRT(0.6)W(asd) <br /> ,i DOWNFORCE CASE 1 Pdr'° 3 3 3 psf Calculation:Pde 1p=S.OD+I.OS <br /> DOWNFORCE CASE 2 Peraen 23.30 23.30 23.30 n:psf Calculatio Pd.o=1,0D+1.0W <br /> DOWNFORCE CASE 3 Pdesrsn 18.23 18.23 18.23 psf Calculation:Pdesja°=1.OD+0.75S+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 5A2 ft <br /> MODULEWIDTH 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 -168.14pif Calculation:w=T/B'2"`�:umezzraitcve<r°- <br /> DISTRIBUTED LOAD(DOWNFORCE) w 38.83 38.83 38.83pif Calculation:w=PB/2 <br /> RAIL SPAN BETWEEN ANCHORS POINTS L 4 4 4 ft <br /> POINT LOAD(UPUFr) R -2,46.02 -446.70 -672.57lbs calculation:R=PLB/2"'v90"1Sz"�hveftlW <br /> POINT LOAD(DOWNFORCE) R 155.33 155.33 155.33 Ibs Calculation:R=PLB/2"'�:°me:zrain cerrow <br /> L-FOOT CONNECTED BY LAG SCREW TO <br /> ROOF TRUSS)RAFTER <br /> Specific Gravity,Rafter Gr0,3125 <br /> 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 In /l ' <br /> Pullout Value of W 306.87 306.87 Ibs/in W=1800 G D#of Lag screws 1 1 <br /> Thread Length Td 2.8 2.8 In Table L2,NDS 2005 <br /> Design Pullout Value per Mount WL 859.235 859.235 Wr=W'#of Lags'Td <br /> SAFTEY FACTOR SF 3.49 1.92 1.28 Calculation:SF=WvR(Uplift) <br /> aep a:nela<mlerllmJyavrr•nrl<uedl ' <br /> u,i°:�fw.xsnW.lL.rJ...acr<maaa nc�.not:n:.. <br /> innlw.a onw.iinroa_ Hnrpp°,i+t'+,h{.a<n°cmaWpc. <br /> u.,em4 lcl+airn rulrnw lar D^'gv<m I.le<•rM.71oe <br /> 1.s,nr]wa.rtin]M!Y]4rf 2 <br /> Itrue'2}•,r1eW Mdhir•]a wagdrocf! . <br /> F W Roof Nip RoO(7'<I s 27•) <br /> 100 , <br /> Gate Rear l05,7•�" Gable Reel <br /> C. <br /> �! a. 136 <br /> .. 7 <br /> Intnn Zonet Ld,Z- C-7-, i7hh0 . <br /> u�h.7tw! ZA <br /> i�ra<nSQSn7Cf.M•Me+>r{aMMh•lro NR4+bov.O.ca•A p.l. M�� , J� I ��. <br />