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Retaining Wall Installation Final Letter NGA File No.8710B 13 <br /> Packer Retaining Wall February 17,2015 <br /> Everett,Washington Page 4 <br /> conditions during the winter months. Such events, if they do occur, should not immediately impact the <br /> stability of the wall system. However, erosion and sloughing events on the slope below the wall, if not <br /> addressed,can ultimately impact the wall if they lead to pin pile exposure. <br /> o-O-o <br /> NELSON GEOTECHNICAL ASSOCIATES, INC. <br />