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LI & LI ENGINEERING SERVICES <br />REGISTERED CIVIL ENGINEERS <br />OWNER: <br />PROJECT: <br />HDRS : (4 ' & less) <br />MAX SPAN L = <br />4 FT <br />Roof LL = <br />20 psf <br />LL = <br />40 psf <br />Roof DL = <br />12 psf <br />DL = <br />10 psf <br />Roof Tributary = <br />4 ft <br />FLOOR TRIBUTARY SPAN = <br />0.00 FT <br />Wall DL= <br />15lbs <br />Wall Height = <br />2 ft <br />Fb = <br />900 <br />PSI <br />Fv = <br />180 <br />PSI <br />E = <br />1.6E+06 <br />PSI <br />CD = Duration Factor = <br />1.25 <br />CF = Size Factor = <br />1.5 <br />Uniform Load W= <br />158 PLF <br />Reaction R= <br />316 LBS <br />V=W*L/2 = <br />316 LB <br />M = W*LA2/8 = <br />316 LB -FT <br />Inertia Selected = <br />12.51 INA4 <br />A = 1.5*V/(Fv * CD.) = <br />2.1 INA2 <br />< <br />12.25 <br />INA2 <br />S = M *12 / (Fb*CD*CF) = <br />2.25 INA3 <br />< <br />7.15 <br />INA3 <br />D = (5/384)*(W*LA4)*1728/(E*I) = <br />0.045 IN <br />< L*12/180 = <br />0.27 <br />IN <br />USE 4 X 4 D.F.# 2 <br />HDR - Support BM 1 <br />MAX SPAN, L = <br />5 ft <br />Roof LL = <br />19 psf <br />LL = <br />40 psf <br />Roof DL = <br />12 psf <br />DL = <br />10 psf <br />Roof Trib = <br />0.00 ft <br />FLOOR TRIBUTARY SPAN = <br />0.00 ft <br />Ceiling DL = <br />0 psf <br />Ceiling Tributary = <br />0 ft <br />P = <br />2048 Ibs <br />Wall DL = <br />15 psf <br />Located (from Rl) = <br />1.5 ft <br />Wall Height = <br />4.00 ft <br />a = <br />1.5 ft <br />b = <br />3.5 ft <br />Fb = <br />900 psi <br />Fv = <br />180 psi <br />E = <br />1.6E+06 psi <br />CD = Duration Factor = <br />1.25 <br />CF = Size Factor = <br />1.3 <br />Uniform Load W = <br />60 plf <br />R1 = W*L /2+P*b/L = <br />1584lbs <br />R2 =W*L /2+P*a/L = <br />764lbs <br />V = <br />1584 Ibs <br />Mmax = W*LA2/8+(P*a*b)/L = <br />2338lbs-ft <br />Inertia Selected = <br />111.1 inA4 <br />A=1.5*V/(Fv * CD.) = <br />10.56 inA2 <br />S = M *12 / (Fb*CD*CF) = <br />19.18 inA3 <br />D = (5/384)*(W*LA4)*1728/(E*I) + <br />(P*aA2*bA2)/(3*E*I*L) = <br />0.04 in <br />USE 4X8D.F.#2 <br />10 <br />< 25.38 inA2 <br />< 30.66 inA3 <br />< L*12/180 = <br />L <br />CITY OF SANTA ANA <br />Planning and Building Agency <br />PAGE <br />p 'WR PERMIT ISSUANCE <br />JOB NO: -2, - I a3 Z <br />Master ID: <br />Date: <br />OK <br />OK <br />OK <br />32 <br />OK <br />OK <br />0.33 in OK <br />