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T, <br />Independent Testing Technologies, Inc. <br />March 2, 2020 <br />Mr. Pat Briggs <br />Briggs Companies, Inc. <br />PO Box 719 <br />Big Lake, MN 55309 <br />RE: 19-406 Report of Geotechnical Exploration <br />Jackson Hills Residential Suites, Phases 11- IV <br />Elk River, Minnesota <br />Dear Mr. Briggs: <br />Independent Testing Technologies, Inc. is pleased to submit the results of our subsurface <br />investigation program for the proposed apartment building project in Elk River, Minnesota. This <br />report represents our work for this project as authorized by you. An electronic copy is submitted. <br />The soils encountered consisted of highly organic peat (PT) and organic silt (OL) soils over <br />native, water bearing sands (SP, SP-SM). Organic silts (OL) and peat (PT) was encountered to <br />depths of 2.0 to 14.0 feet over the entire site. This will require complete removal and <br />replacement with granular material. Groundwater was observed in all of the borings at depths of <br />2' 6" to 9' 0" at the time of drilling. We recommend full time observation of the excavation and <br />removal of the organic soils. Soil samples obtained during our investigation will be stored at our <br />office for thirty days after the date of this report. After that time, they will be disposed of unless <br />you advise otherwise. <br />Mr. Briggs, it has been our pleasure to work with you on this project. Please contact Patrick <br />Johnson if you have any questions regarding this report. Please contact Tyler Burkes if you <br />would like a proposal for the materials testing services that may be needed. Independent Testing <br />appreciated the opportunity to perform this geotechnical evaluation and look forward to <br />continuing our participation during the construction phase of this project. <br />Sincerely, <br />&4 #Lw- <br />Patrick A. Johnson, P.E. <br />MN License 922037 <br />Kevin T. Reller <br />President <br />337 31st Avenue South. Waite Park, MN 56387 <br />Phone: 320-253-4338 — FAX 320-253-4547 — E-mail: info@independenttestingtech.com — www.independenttestingtech.com <br />