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, <br /> L. `- <br /> • Monitor the surcharge settlement <br /> • Observe the installation of ground improvement trenches <br /> • Evaluate the compaction of the building subgrade byconducting in situ density and moisture <br /> content measurements and by hand probing <br /> • Evaluate the compaction of the base rock beneath the building <br /> • Verify that a vapor barrier was installed beneath the building <br /> Members of our geotechnical staff observed the geotechnical-related tasks identified above on an <br /> intermittent and on-call basis. Their observations are summarized in field reports,which were <br /> provided to the design and construction team members and are on file in our office. <br /> To the extent observed,the construction outlined above was conducted in general conformance <br /> with the intent of the project plans, specifications, and our geotechnical engineering <br /> recommendations. <br /> ♦ ♦ ♦ <br /> We appreciate the opportunity to work with you on this project. Please call if you have questions <br /> concerning the information provided. <br /> Sincerely, <br /> GeoDesign, Inc. <br /> - ,t fi V. <br /> °cyo*N Ask,�.C,. <br /> V <br /> II <br /> Rya Lawrence, P.E. (Oregon) . <br /> Senior Project Engineer ‘,26403„ <br /> C7ts-r .t*' <br /> `SxQNAL <br /> •-•,---•"'"'-'----.72"---*- . Vic- <br /> Signed 07/30/2018 <br /> Scott V. Mills, P.E <br /> Principal Engineer <br /> cc: Eddy Stevens, Polygon Northwest Company(via email only) <br /> Juan Espinoza, Polygon Northwest Company(via email only) <br /> intsvM:sn <br /> One copy submitted(via email only) <br /> Document ID: Polygon-128-03-073018-geol-compliance-Bldg=30.doa <br /> ©2018 GeoDesign,Inc. All rights reserved. <br /> GEODESIGN= 2 / 0 Polygon-128-03:073018 <br />