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GROUNDWATER ISSUES <br />Andrie Street Improvements <br />Ramsey, Minnesota <br />NTI Project No. 15.61197.100 <br />The following presents additional comment and soil specific issues related to measurement of ground <br />water conditions at your project site. <br />Note that our ground water measurements, or lack thereof, will vary depending on the time allowed for <br />equilibrium to occur in the borings. Extended observation time was not available during the scope of <br />the field exploration program and, therefore, ground water measurements as noted on the borings logs <br />may or may not accurately reflect actual conditions at your site. <br />Seasonal and yearly fluctuations of the ground water level, if any, occur. Perched ground water may be <br />present within sand and silt lenses bedded within cohesive soil formations. <br />If minor seepage into project excavations occurs, dewatering with sumps and pumps within excavations <br />will be adequate within fine grained clay or silt based soils. Within the clean sand soils dewatering can <br />likely be accomplished with the use of a well point system. <br />Page 13 of 15 <br />