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LI & LI ENGINEERING SERVICES P <br />REGISTERED CIVIL ENGINEERS E <br />OWNER: J <br />PROJECT: <br />RIDGE BM 1 @ Living Room: <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />Greed <br />AA� 1-T-1S-S-tJANCE <br />BNO: <br />Master ID: <br />Date: <br />MAX SPAN L = <br />16 FT <br />D.F. #1 <br />Size F <br />Fb <br />d <br />A <br />S <br />I <br />LL = <br />20 psf <br />6X6 <br />1 <br />1350 <br />5.5 <br />30.25 <br />27.73 <br />76.26 <br />DL = <br />12 psf <br />6X8 <br />1 <br />1350 <br />7.25 <br />41.25 <br />51.56 <br />193.36 <br />Roof Tributary = <br />8.00 ft <br />6X10 <br />1 <br />1350 <br />9.25 <br />52.25 <br />82.73 <br />392.96 <br />Wall DL= <br />15 Ibs <br />6X12 <br />1 <br />1350 <br />11.25 <br />1 63.25 <br />121.23 <br />1 697.07 <br />Wall Height= <br />0 ft <br />6X16 <br />1 <br />1350 <br />1 15.25 <br />85.25 <br />220.23 <br />1 1706.78 <br />Fb = <br />1350 <br />PSI <br />Fv = <br />170 <br />PSI <br />E = <br />1.6E+06 <br />PSI <br />CD = Duration Factor = <br />1.25 <br />CF = Size Factor = <br />1 <br />Uniform Load W= <br />256 PLF <br />Reaction R= <br />2048 LBS <br />V = W * L /2 = <br />2048 LB <br />M = W*LA2/8 = <br />8192 LB -FT <br />Inertia Selected = <br />392.96 INA4 <br />A = 1.5*V/(Fv * CD.) = <br />14.5 INA2 <br />< <br />52.25 <br />INA2 <br />OK <br />S = M *12 / (Fb*CD*CF) = <br />58.25 INA3 <br />< <br />82.73 <br />INA3 <br />OK <br />D=(5/384)*(W*LA4)*1728/(E*I)= <br />0.600IN <br />< <br />L*12/18(= <br />1.07 <br />IN <br />OK <br />USE 6X10D.F.#1 <br />RIDGE BM 2 @ Bedroom: <br />MAX SPAN L = <br />11 FT <br />LL = <br />20 psf <br />DL = <br />12 psf <br />Roof Tributary = <br />8.00 ft <br />Wall DL= <br />15 Ibs <br />Wall Height = <br />0 ft <br />Fb = <br />1350 <br />PSI <br />Fv = <br />170 <br />PSI <br />E = <br />1.7E+06 <br />PSI <br />CD = Duration Factor = <br />1.25 <br />CF = Size Factor = <br />1 <br />Uniform Load W= <br />256 PLF <br />Reaction R= <br />1408 LBS <br />V=W*L/2 = <br />1408 LB <br />M = W*LA2/8 = <br />3872 LB -FT <br />Inertia Selected = <br />392.96 INA4 <br />A = 1.5*V/(Fv * CD.) = <br />9.9 INA2 < <br />52.25 <br />INA2 OK <br />S = M *12 / (Fb*CD*CF) = <br />27.53 INA3 < <br />82.73 <br />INA3 OK <br />D = (5/384)*(W*LA4)*1728/(E*I) = <br />0.126 IN < <br />L*12/18(= 0.73 IN OK <br />USE 6X10D.F.#1 <br />