Laserfiche WebLink
` ,PITZER- & ASSOCIATES, PLLC 4/6/2023 <br /> i_____ 41, STRUCTURAL ENGINEERS 7317 35th Street NE Client: Pelletier+Schaar <br /> Marysville, WA 98270 Project: Eco Residence <br /> Office: (425)308-8070 P$,A#: 23-109 <br /> email: tommyt42k@hotmail.com Calculated By: Tom Pitzer, PE <br /> Design Criteria Collar 2 <br /> Roof: RL:=25•psf. RD:= 15•psf. <br /> Rafter Analysis <br /> Y1 :=2•ft. M1:=4-ft. <br /> Spacing:=24•in. w=(RL+RD)-Spacing. w= 80•plf Y2 2.25 ft. M3:=4-ft. <br /> Y3:=0-ft . X1 :=0-ft . X3:=25.5.ft. <br /> 12 12 <br /> M i 1 —1M 3 <br /> V W 3 <br /> Y i Y 2 Y 3 <br /> X 3 <br /> 11 <br /> YL:=IM1 (-X1 +Y1 . YR.—(12•ft)x3+�(M2•ft)+Y3J , <br /> 12-ft <br /> 12•ft 12-ft (M3.X3 —12•ft M3•x3 <br /> 11 M1 •�Y2-Yi) . X2•- M1 +M3•1M3•x-3) <br /> 12 ft +Y3 —Y1 . '4)3:= M3 Y2— ( 12 ft)+Y3I[} <br /> . <br /> Y2=2.3ft <br /> YL=2-ft YR=0-ft <br /> 111 =0.75-ft x2=9.75ft *3= 18.75-ft <br /> Material Properties of Rafters <br /> C <br /> ("#" "Species" "Grade" "Bending" "Tension" "Shear" "Comp Perp" "Comp Par" "Modulus" <br /> 1 "Doug Fir" "#1 &Btr" 1200 800 95 625 1550 1800000 <br /> 2 "Doug Fir" "#2" 900 575 95 625 1350 1600000 <br /> Z= <br /> 3 "Hem Fir" "#1 &Btr" 1100 725 75 405 1350 1500000 <br /> 4 "Hem Fir" "#2" 850 525 75 405 1300 1300000 <br /> 5 "Glulam"" "24F-V4"" 2400 1100 240 650 1650 1800000 j <br /> Define the Material Properties by inserting the Species and Grade Number: a:=4. <br /> Fb:=Za 3•psi Ft (Za 4 psi\ Fv:=Za,5-psi <br /> Fcp:=Za 6 psi Fb:=Za 7 psi E=Za 8 psi <br /> Fb=850-psi Ft=525-psi ) Fv=75-psi Fcp=405-psi Fb= 1300-psi E= 1300000-psi <br /> Version 22.3 <br />