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ST□ R 1.-tf•) Stork Twin City Testing Corporation Materials Technology Proposed New Residence at 1635 Sohns Point Road Orono, Minnesota Stork Twin City Testing Corporation Project #TCT006405P 4.0 ENGINEERING REVIEW Page 5 of 11 Based on the information obtained from our geotechnical work and our understanding or assumptions of the project data, we made our engineering review and recommendations which are presented in the following sections. If any of our understanding or assumptions are not correct, or if conditions observed during construction are significantly different than those encountered in our geotechnical work, we should be contacted immediately so we may review our recommendations .. 4.1 Proiect Data We understand that the proposed construction will consist of demolishing the existing house and building a new luxury home with garage on the same property. The luxury home will not include a basement, and may have a slightly larger footprint than the existing home. We were informed that the design team may raise site grades approximately 2 feet. It is our understanding that the new luxury home construction will have a poured concrete foundation supporting a wood framed structure with portions of the structure being comprised of stone and brick. Pre-cast concrete may also be used for portions of the structure. The existing home has cracks in the masonry foundation walls that are visible on the outside of the structure. These types of cracks often indicate differential settlement of the structure. In our opinion, this is due to the underlying cohesive soils coupled with the high water table. During periods of freezing and thawing, cohesive soils have the tendency to heave, thus causing distress to the overlying structure. 4.2 Discussion The soil boring encountered cohesive soils to a depth of 18½'. In our opinion, the soil as depicted by the boring, combined with the high water table, is not suitable to support standard shallow frost depth foundations for the proposed construction. Therefore, it is lnfonnatlon and slatements in this report &re derived from material, Information am:1/orspecificafians furnished by lhe client and exclude <my expressM or imp!Ied warranties as lo Lhe fitness or lhe material tested or analyzed for any particuh:tr ptirpose or use. This certificate or repor1 TS the confidential property of our client and may not be used for advertising purposes. This certirfcate or report shall not be reproduced excepl in run, without written approval or this laboratory and shaU be signed or otherwise apptoved by authorized staff members only. The recording of !alse, nclilious or fraudulent slatements or entries on this document may be punished as a felony under Federal Statues including Federal Law Tille 18, Chapter 47. Thls document contains technical data whose export and re•export/re•transfer is stJbject to control by the U.S. Department cl Commerce Ulldet lhe Export Administralion Act and th!!-Export Admlnislralion Regulations. The department of Commerce's prior wrtl1en approval is required for the export or re-export/re-- transfer of such technical infoITT1alion to any foreign peraon, foreign entity or foreign organlzatton whether In the Unlled States or abroad. EAR•CONTROLLEO OATA.