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500 Willow Drive South, Orono, Minnesota <br /> October 18, 2017 <br /> Page 2 of 4 <br /> These walls have not been designed for ground water surcharge loads. Direct all surface drainage away <br /> from the walls. Methods to do so include but are not limited to the following: drainage swale, site grading, <br /> retention ponds, etc. Details of water control are left to the wall contractor. Please contact Criterium- <br /> Schimnowski to provide additional site assessment services if desired. <br /> The wall design was performed using the design guidelines presented in the third edition of the "Design <br /> Manual for Segmental Retaining Walls" (DMSRW) published by NCMA in 2009. Additional information <br /> requested by Criterium-Schimnowski Engineers but not available includes: geotechnical site survey and <br /> soil data. If soil conditions, proposed wall layouts, or any other design parameters vary from those stated <br /> above, contact me for a revised design. Please call me if you have any questions or need more <br /> information. Thank you. <br /> Sincerely, <br /> Paul Schimnowski, PE <br /> MN#40126 <br /> CRITERIUM-SCHIMNOWSKI ENGINEERS <br /> TEL 651 779-7700 <br />