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North Oaks Company LLC <br />Project B2402335 <br />August 22, 2024 <br />Page 25 <br />DA Groundwater Measurements <br />The drillers checked for groundwater while advancing the penetration test borings, and again after auger <br />withdrawal. We then filled the boreholes, as noted on the boring logs. <br />E. Qualifications <br />E.1. Variations in Subsurface Conditions <br />E.1.a. Material Strata <br />We developed our preliminary evaluation, analyses, and recommendations from a limited amount of site <br />and subsurface information. It is not standard engineering practice to retrieve material samples from <br />exploration locations continuously with depth. Therefore, we must infer strata boundaries and <br />thicknesses to some extent. Strata boundaries may also be gradual transitions, and project planning <br />should expect the strata to vary in depth, elevation and thickness, away from the exploration locations. <br />Variations in subsurface conditions present between exploration locations may not be revealed until <br />performing additional exploration work or starting construction. If future activity for this project reveals <br />any such variations, you should notify us so that we may reevaluate our recommendations. Such <br />variations could increase construction costs, and we recommend including a contingency to <br />accommodate them. <br />E.1.b. Groundwater Levels <br />We made groundwater measurements under the conditions reported herein and shown on the <br />exploration logs and interpreted in the text of this report. Note that the observation periods were <br />relatively short, and project planning can expect groundwater levels to fluctuate in response to rainfall, <br />flooding, irrigation, seasonal freezing and thawing, surface drainage modifications and other seasonal <br />and annual factors. <br />E.2. Continuity of Professional Responsibility <br />E.2.a. Plan Review <br />We based this preliminary report on a limited amount of information, and we made several assumptions <br />to help us develop our preliminary recommendations. We should be retained to review the geotechnical <br />BRAUN <br />INTERTEC <br />