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NTF <br />NOaTHERN <br />TECHNOLOGIES, LLC <br />September 12, 2019 <br />City of Arden Hills <br />Attention: Mr. Todd Blomstrom <br />1245 West Highway 96 <br />Arden Hills, Minnesota 55112 <br />6160 Carmen Avenue East <br />Inver Grove Heights, MN 55076 <br />P:651.389.4191 F:651.369.4190 <br />www.NTigeo.com <br />c/o Short Elliott Hendrickson Inc. <br />Attention: Mr. Hector Flores <br />3535 Vadnais Center Drive <br />St. Paul, Minnesota 55110 <br />RE: Proposal for Geotechnical Services <br />Old Snelling Avenue Roadway Improvements <br />Arden Hills, Minnesota <br />NTI Proposal P9722 <br />Attachment A <br />Unearthing confidence - <br />We are pleased to submit our revised proposal to perform Geotechnical Services for the above referenced <br />project. The purpose of this study is to collect representative soil samples, analyze the subsurface soil and <br />groundwater conditions and to furnish a geotechnical data report. <br />The proposed project consists of improvements to the existing Old Snelling Avenue between County Road E <br />and Snelling Avenue North in Arden Hills, Minnesota. <br />SCOPE OF WORK <br />The following is our proposed work scope based on the request for proposal provided by Short Elliott <br />Hendrickson Inc. (SEH). <br />NTI understands that the City's Representative (SEH, Inc.) will mark the boring locations prior to the start of <br />field work. NTI will contact the Minnesota "One -Call" system for clearance of public utilities within the area of <br />the soil borings. <br />NTI will then mobilize a truck mounted drill rig to the site to drill seventeen (17) standard penetration test (SPT) <br />soil borings. The borings will be performed at the client -designated locations and to depths of approximately <br />14.5 feet below existing grade. The total lineal feet of drilling proposed is 246.5 feet. <br />The borings may be terminated early if soil/bedrock conditions resulting in practical auger refusal are <br />encountered prior to the proposed termination depths. If fill, organic soils, or soft/loose soils are encountered <br />near the termination of the borings, we will contact the City's Representative (SEH, Inc.) before proceeding. A <br />boring will not be terminated if there is no recovery in the final sample, unless practical auger refusal is <br />encountered or an N -value of 50 or greater is encountered. <br />Precision Expertise • Geotechnical - Materials <br />FARGO BISMARCK GRAND FORKS INVER GROVE HEIGHTS RAMSEY RAPID CITY <br />