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1 of 1 <br />JOHN A. MARTIN and ASSOCIATES, INC. □ STRUCTURAL ENGINEERS <br />Client: Sheet <br />Project: Job No 16041 <br />Date 6/12/2020 <br />Engineer KK/MF <br />Light pole analysis <br />Square pole <br />d = 5 in <br />bf = 5 in <br />t = 0.18 in <br />Fy = 46 ksi <br />d1 = d - 2t = 4.64 in <br />b1 = b - 2t = 4.64 in <br />Zx = bd2/4 - (b-2t)(d-2t)2/4 = 6.28 in3 <br />Round Pole <br />d = 5 in <br />t = 0.18 in <br />Fy = 46 ksi <br />d1 = d - 2t = 4.64 in <br />Zx = d3/6-d1 <br />3/6 = 4.18 in3 <br />Light Pole Bending Capacity <br />Zx,min = 4.18 in3 <br />Fy = 46 ksi <br />φMn = 0.9FyZx = 14434 lb-ft > Mu = 6822 ok <br />DCR = 0.47 <br />Rogers Electric <br />CBC 2019 <br />CA6-204 <br />SANTA ANA, CALIFORNIA <br /> 950 SOUTH GRAND AVENUE, 4TH FLOOR LOS ANGELES, CA 90015 213.483.6490 <br />G:\Job16000\J16041 Light Pole Foundation\Engineering\Calcs\Santa Ana - CA6-204\1 cover page.xlsm <br />p-1 <br />2020-161485 <br />12/15/20