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Larson Engineering,Inc. SURJECT: U.S. CUS�OfT15 8� SHEET NO. C-70 <br /> 5757 Phantom Drive,Swte 2o0 Border Protection PROJECT NO. 51090137.000 <br /> � � Sl.LouiS,MO 67042-2455 Port Anqeies WA sv RV on7E 4121/2009 <br /> ]74.7J1.4710 Fax: 3747314712 <br /> xwx.laRonengccom <br /> � Larson <br /> Required Holddown Loads <br /> M�� '– Mo�– 0.6Mres h1�,q=20.6•k�p•ft <br /> q•– <br /> M�°9 T –2569.7•Ibf <br /> Tmav�— W maz— <br /> V •– WL•L•(H) +WL•LayH� Vm,,,=32b1.5•Ibf <br /> max — <br /> 3"x 3"x 1/4"x 4" LONG STEEL HOLD DOWN BRACKET <br /> Loadinq at Each 6racket <br /> Tm� <br /> Ty��;= 3 Ty��t=856.58�Ibf <br /> Vmax <br /> �yr��= 6 Vwkc=546.92•Ibf <br /> orn � <br /> Hold Down Analc Sectlon Proper[les <br /> 3" r <br /> z <br /> Tu�ut 1!4" arm:= 1.5in z,:= L(Mn).(0.4n) Z,= 0.25•in3 <br /> � ec qle Used For Bracket <br /> VbfM�� �� Fy:= 36ks1 <br /> N <br /> h�brkt•— Tbrk['d� �'�.4kt—�ZEYI�.87•IbQ'I❑ <br /> Fy Z„ <br /> Ma��o�:= — Mapa,•=538922•16f•In <br /> HotA Down Angle �'67 <br /> Ma�bw> Mcrkt UK <br /> Uso 3'k3'kt/ ' .36 Steal Anale 4'Lona <br />