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vickery �n�ineerin�£� Consu�tin.��,LLC <br /> I�144 I �i��crn�c���ooc�s�rivc,�c�cn�rainc,M�� 55 i9 j'I 50,9 <br /> �hone: 7tiL-4o5-8Z7? f-`nx: )52-42r-1971 <br /> rvickcrc�E�vic�cen�en�.com <br /> Boulder Wall Calculations - 5-foot Total Wall Height <br /> Project VEC 13-037 - March 20, 2014 <br /> 3625 Eileen Street, Maple Plain, MN - Driveway Wall <br /> Page 2 of 2 <br /> Calculate Overturninq Moment: <br /> Driving Moment, Mo:= L0.5•Ka•^ys•Hr•Hr�cos(S1 — �)�I HrJJ +Lqs Ka•H I HJJ Mo= 699.21bf <br /> ` 3 `2 <br /> Calculate Resistinq Moment: <br /> Resisting Moment is calculated by taking the sum of the weights times the moment arms for each section of wall above <br /> W]�(Wba— Wt)•��� <br /> M1 := 3 M1 = 56.251bf <br /> lft <br /> W2•L(Wba— Wt) + Wt� <br /> ? <br /> M2:= M2= 1265.61bf <br /> (lft) <br /> W2 �Wbal <br /> I <br /> M3 :_ � � M3 = 1012.5 lbf <br /> lft <br /> Resisting Moment, Mr:= M1 + M2+ M3 Mr= 2334.41bf <br /> Factor of Safetv, Overturninq: <br /> FOS Overturning, FOSoc:= Mr FOSor= 3.338 <br /> Mo <br /> I hereby certify that this plan, specification, or <br /> report was prepared under my direct supervision <br /> and that I am a duly�icensed Professional <br /> FnninPPr iinciPr thP laws nf ihP StatP nf Minnasnta_ <br /> Ronald . ickery, PE <br /> Registration Number: 24065 <br /> March 20, 2014 <br /> -��ngineering�jo/utions�o�an unsta6/e wor�d <br />