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5 EC LI PS E <br /> ENGINEERING <br /> Project: Applied Mat-CMS5398 <br /> Stair Guardrail Analysis Project#: 22-12-166 <br /> Date: 3/2012023 <br /> Engineer: CCL <br /> Page: 1 of 1 <br /> Guardrail Information <br /> Pw= 42 in The guardrail shall be analyzed for the worst case load scenario of either a <br /> h= 36 in 200#concentrated load,or a 50 plf distributed load. <br /> P= 200 Ibs <br /> W= 50 lb/ft <br /> Post Rail <br /> P <br /> Pipe 1-1/4 Std. Pipe 1-1/4 Std. <br /> Fy= 35 ksi 35 ksi <br /> 3 r. <br /> = 0.184 in4 0.184 in4 <br /> Z= 0.305 in3 0.305 in3 I� <br /> SZb= 1.67 1.67 <br /> Pw <br /> Mn= 10.68 k*in 10.68 k*in POST I <br /> Mn = 6.4 k*in 6.4 k*in <br /> Post Analysis <br /> Distributed Load(50 lb/ft) Point Load(200 Ibs) <br /> Intermediate MR = 4.1 k*in. 1 4.7 k*In. <br /> Post MR/M c 0.64 <1 Bending OK 0.73 <1 Bending OK <br /> MR = 2.7 kin. 2 6.1 k*in. •2 <br /> End Post <br /> MR/M c 0.42 <1 Bending OK 0.96 <1 Bending OK <br /> Rail Analysis <br /> Distributed Load(50 lb/ft) Point Load(200 lbs) <br /> M R = 0.9 kin. 2.1 kin. <br /> MR/M c 0.14 <1 Bending OK 0.33 <1 Bending OK <br /> Mn <br /> Mn = FyS Mc _ <br /> b <br /> .1Assumed Intermediate post of minimum 2 spans:65%of load per pipe railing systems manual(ANSI/NAAMM AMP 521-01) <br /> *2 Assumed End post of minimum 2 spans:85%of load per pipe railing systems manual(ANSI/NAAMM AMP 521-01) <br /> 79/81 <br />