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• Evaluate the compaction of the building subgrade by conducting in situ density and moisture <br /> content measurements and 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 /> V. 4tI <br /> GeoDesign, Inc. c„ lit t� <br /> OP <br /> Rya 1 . Lawrence, P.E. (Oregon) „. <br /> 26403 <br /> Senior Project Engineer 4P4t%rsr:.° <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 /> RTL:SVM:sn <br /> One copy submitted(via email only) <br /> Document ID: Polygon-128-03-073018-geol-compliance-Bldg_12.docx <br /> ©2018 GeoDesign,Inc. All rights reserved. <br /> C DESIGN= Polygon-128-03:073018 <br />