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AA/EOE <br />Braun Intertec Corporationp <br />11001 Hampshire Avenue S <br />Minneapolis, MN 55438 <br />Phone: 952.995.2000 <br />Fax: 952.995.2020 <br />Web: braunintertec.com <br />April 20, 2023 Project B2204011.00 <br />Brad Fisher, PE <br />Bolton & Menk, Inc. <br />12224 Nicollet Avenue <br />Burnsville, MN 55337 <br />Re: Addendum 1 to Geotechnical Evaluation <br />Additional Geotechnical Services – Arden Hills 2024 PMP <br />James Avenue <br />Arden Hills, Minnesota <br />Dear Mr. Fisher: <br />This letter serves as Addendum 1 to our Geotechnical Evaluation Report for this project under Project <br />Number B2204011, dated June 23, 2022. This Addendum addresses the results of the most recent <br />borings requested for James Avenue and provides recommendations for utility installation. <br />Background <br />Our Geotechnical Evaluation Report for the project provided both full-depth reclamation (FDR) and mill- <br />and-overlay recommendations for the project. For the original project, James Avenue was limited to one <br />pavement core for evaluation. Based on the core thickness and condition, the mill-and-overlay approach <br />was recommended for James Avenue. <br />New Information <br />We understand the proposed rehabilitation method on James Avenue in the project area was changed <br />from a mill-and-overlay approach to a full reconstruction due to the City’s need to replace the <br />watermain. Two soil borings, denoted as ST-8 and ST-9, were requested to provide additional <br />geotechnical information along James Avenue. <br />Boring Results <br />Table 1 provides a summary of the soil boring results; in the general order we encountered the strata. <br />Please refer to the attached Log of Boring sheets for additional details. The attached Descriptive <br />Terminology sheet includes definitions of abbreviations used in Table 1.