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Customer S&H Systems <br />Project Collectors.com <br />Job Number 10010 <br />5 SIDE MNT. GUARD RAIL Page 11.5 <br />Top of post Deflection includng Support beam Rotation <br />Ref ASTM E 985 8C12 ho = 8.0 Iy / 2 1.84 Syf = 0.36 <br />Load at STD rail hieght 200.0 Lbs <br />STD rail Ht from 1st bolt, H1 47.50 <br />Bottom Flange spacing of Lateral bracing 4.0 ft <br />M = 200*47.5 = 9.50 K-in <br /> Beam Rotation Φ = 0.015*[( M / ho)*( Lb3 / (E*Iy/2))]/ho =0.00455 rad 0 rad if brace is at the upright <br />Deflection at STD rail hieght=Φ*H1 + P*H13 / ( 3*E*I )0.67 in <br />Allowable Deflection = H /12 3.96 OK <br />Post + Rail Deflection <br />Point Load at rail mid span 200 <br />Rail deflection due to point load 0.66 <br />Deflection at top of post due to point load / 2 0.34 <br />Total Deflection 1.00 <br />Allowable deflection = H/24 + S/96 2.95 OK <br />Program Rev 20250219R1 <br />Steele <br />Solutions Inc. <br />Assumes only the bottom flange laterally <br />defects and no resistance is provided by <br />the deck or guard rail <br />6737 W. Washington St. West Allis, WI 53214