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North Oaks Company LLC <br />Project B2402335 <br />August 22, 2024 <br />Page 23 <br />C.10. Additional Considerations <br />C.10.a. Below Grade Pool <br />Because of the potential for higher perched groundwater on this site, it may be necessary to design the <br />below grade pool to resist buoyancy that could be caused by groundwater, especially if the bottom of the <br />pool is less than 3 feet from groundwater. <br />C.10.b. Equipment Support <br />The recommendations included in the report may not be applicable to equipment used for the <br />construction and maintenance of this project. We recommend evaluating subgrade conditions in areas of <br />shoring, scaffolding, cranes, pumps, lifts and other construction equipment prior to mobilization to <br />determine if the exposed materials are suitable for equipment support or require some form of subgrade <br />improvement. We also recommend project planning consider the effect that loads applied by such <br />equipment may have on structures they bear on or surcharge — including pavements, buried utilities, <br />below -grade walls, etc. We can assist you in this evaluation. <br />C.10.c. Additional Soil Borings and Piezometers <br />When the final site concept plan has been established, we recommend additional soil borings to further <br />define the site soil conditions. Piezometers could then be installed in several of the additional soil borings <br />to further define the site groundwater conditions. <br />D. Procedures <br />D.1. Penetration Test Borings <br />We drilled the penetration test borings between March 25 and April 15, 2024, with an all -terrain - <br />mounted core and auger drill equipped with hollow -stem auger. We performed the borings in general <br />accordance with ASTM D6151, taking penetration test samples at 2 1/2- or 5-foot intervals. The boring <br />logs show the actual sample intervals and corresponding depths. <br />We sealed penetration test boreholes meeting the Minnesota Department of Health (MDH) <br />Environmental Borehole criteria in general accordance with MDH procedures. <br />BRAUN <br />INTERTEC <br />