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STRUCTURAL DESIGN ASSOClAiES, INC. <br />, � -- —CONSULTING ENGINEERS <br />S,.' . 1p6TH ST. S.W. . P.O. BO% 5]66 <br />IYNNWppD. IYA 9B0]6 • PHONE: (?J6� 1]S]O� <br />January 18, 1984 <br />Mr. K,evin Dahl <br />P.O. Hu>: 2243 <br />Evrre'ct, WA 98203 <br />au6jecc: i;ouse at <br />Everett, Washington <br />To iJhnm This m�y concern: <br />The undersigned structural �ngineer, registered in the <br />State of Washington, hereby recommends that in order to <br />control the water flow from the hillside at the west, the <br />following steps be undertaken: <br />1. E>:cavate a 10-foot wide level strip along the rear wall <br />of the house. <br />�. Remove the high ridge presently er,isting at the foot of <br />the sloping backyard. <br />3. Spread the nutcoming soils uver the lower 50-feet of <br />the backyard to reduce the slope. <br />4. Install an approximately 4-foot high rocl:ery at the toe <br />of the slaping 5ackyard. <br />S. Install Tn 18" x 18" gravel filled trench with a 4-inch <br />d�a- �erforated ^ipe e+ '�he r�s r_f the ruckery te rP���P*.t <br />the water to the alley. <br />6. Install a 4-inch perforated drain in gravel envelope <br />along the west footing of the home. <br />Respiactfully sumbitted, <br />STRUCTURAL DE-S1GN ASSOCIATES, INC. <br />hy:,, r �i <br />�,��ti ��� �� <br />Kase Vanrlen Ende, P.E. <br />President <br />KVE/sea <br />-����,►�� <br />, , � : ;�t f � <br />;:"!!! i 9 iq,s3 <br />CIT'r OF ��/�"�TT <br />i11��7�CfIf�I1 C�,;'l. <br />57RUCTURAL I:NGINELI:ING DESIGIJ .11JD INVL�1IGAiICitJ <br />BUILDINGS • LOUNDnTIC1N5 � R[T/•iNIVf: \Vei 14 • ���mr.pc • v�rvc • n��vc . ., ��,rn�. . � •. �.. <br />u <br />