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CC - Engineer Statement i B & A Engineers , Inc. Consulting Engineers & Land Surveyors 5505 West Franklin Rd. Boise, ID 83705 Telephone 208.343.3381 Facsimile 208.342.5792 Allmon Subdivision Street Centerline Elevation Engineer's Statement Date: 13 May 2020 Prepared By: J. D. Canning, PE/PLS Materials Testing and Inspection, Inc. completed a site geotechnical report for the subject development on 18 November 2019. Based upon the elevation of expected seasonal high groundwater contained within said report, 1 certify that the elevation of the street centerlines portrayed on our project construction plans are a minimum of three feet above said elevation. To confirm this statement, we have used the following data: • Groundwater Depth Noted in the Report: 20 Feet Below Ground Surface • Ground Elevation at Observation Point: 2600 Feet • Groundwater Elevation: 2580 Feet • Elevation of Lowest Street Centerline: 2597.49 Feet • Difference in Elevation: *17 Feet RQFE� 6l rE o lowt a4 a Eta, WW � D �'�3