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City of Arden Hills <br />Project B2204011 <br />June 23, 2022 <br />Page 2 <br /> <br /> <br /> <br />A.3. Purpose <br /> <br />The purpose of our pavement evaluation was to assess the condition and thickness of the in-place <br />bituminous pavements and provide rehabilitation recommendations. <br /> <br />A.4. Background Information and Reference Documents <br /> <br />We reviewed the following information: <br /> <br />ƒ Request for Proposals prepared by HR Green, Inc., dated January 16, 2022. <br /> <br />ƒ Miscellaneous Map Series, Map M-178, Surficial Geology, Metropolitan Area, prepared by <br />the Minnesota Geological Survey, dated 2007. <br /> <br />ƒ Traffic data available via the Minnesota Department of Transportation (MnDOT) Traffic <br />Mapping Application, http://www.dot.state.mn.us/traffic/data/tma.html. <br /> <br />ƒ Communications with John Morast at HR Green, Inc. regarding the project rehabilitation <br />methods. <br /> <br />A.5. Scope of Services <br /> <br />We performed our scope of services for the project in accordance with our Revised Proposal QTB152078 <br />to John Morast, PE, with HR Green, Inc., dated February 16, 2022, and authorized on February 24, 2022 <br />by the City of Arden Hills. The following list describes the geotechnical tasks completed in accordance <br />with our authorized scope of services. <br /> <br />ƒ Reviewing the background information and reference documents previously cited. <br /> <br />ƒ Staking and clearing the exploration location of underground utilities. We selected and <br />staked the exploration locations. We acquired the surface elevations and locations with GPS <br />technology using the State of Minnesota’s permanent GPS base station network. The Soil <br />Boring Location Sketch included in the Appendix shows the approximate locations of the <br />borings and bituminous cores.