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PITZER & ASSOCIATES, PLLC 4/6/2023 <br /> TR SUCURAStreetL. NN EGINEERS Client: Pelletier+Schaar <br /> 7317 35thTE <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 1 <br /> Roof: RL:= 25.psf, RD:= 15-psf. <br /> Rafter Analysis <br /> Yi :=0.ft . Mi :=4•ft. <br /> spacing:=24•in. w:=(RL+RD)-Spacing. w= 80.pif Y2:=2-ft. M3:=2.5 ft. <br /> Y3:=0-ft . X1 :=0.ft . X3:=25.5-ft. <br /> 1 2 1 2 <br /> M 1 I I 3 <br /> tV 1 3 <br /> Y 1 Y 2 Y 3 <br /> X 3 <br /> M11 (-M3 (M3.X3 <br /> YL:= — I•X1 +Y1 • YR:= X3+ +Y3 . <br /> ,12-ft) \12.ft) L 12.ft 1 <br /> 12 ft 12•ft ��M3 X3� 1 12 ft [(M3 X3' <br /> 1 M1 (Y2 Y1� • X2 M1 +M3 , 12-ft +Y3 -Y13 M3 Y2 -12 ft ) +Y3 • <br /> YL=O.ft Y2 2ft <br /> YR=0.ft <br /> 11 = 6.00.ft X2=9.81ft 11;3= I5.90-ft <br /> Material Properties of Rafters <br /> IE <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 , <br /> Define the Material Properties by inserting the Species and Grade Number: a:=4. <br /> Fb:=Za 3 psi Ft:=(Z ,4psi} Fv:=Za,5 psi Fcp:=Za 6.psi Fc:=Za 7 psi E:=Za 8-psi <br /> a / <br /> Fb=850-psi Ft=525-psi Fv=75-psi Fcp=405.psi Fc= 1300-psi E= 1300000-psi <br /> Version 22.3 <br />