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� <br /> � <br /> � � <br /> , Batter � <br /> �� <br /> � <br /> � , <br /> � , <br /> � , <br /> Off Set � % <br /> � �, <br /> � ', <br /> Granular Backfil Zone <br /> � C(i W(i .�:`•:`�:`�:� <br /> � � A (calc) - Note 5 <br /> H Hdes - C1 � � <br /> des H C2 WZ <br /> �,� Drain tile sloped to daylight <br /> C1 I= <br /> W1 =I�I�I <br /> D = = _ <br /> Assumed Poi Itlll = III=— IIIII <br /> Of Rotation =I I I(I=I I I I I Base <br /> Notes: <br /> 1 ) Batter angle is "Theta" <br /> 2) Courses are assumed to have the equivalent weight of a cube as shown. <br /> 3) Moment Arm for Course(i) above the base course = [C2+C3+...C(i) x tan(theta)) + <br /> 1/2 C(i)] <br /> 4) Offset = (Hdes - C1) x Tan(theta) <br /> 5) Size depends on orientaion of upper stones. Compare area from X-section to <br /> calculated value. <br /> Client: Boulder Images <br /> Project/#: 1225 Dickenson St/160902 �•2 3 (C) Wall <br /> By: MJP Date: 09/21/16 SCALE: 3/16" = 1'-0" <br /> MJP Associates, Itd. - 651-426-7037 <br />