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4731 North Shore Drive,Orono,Minnesota <br /> June 10,2013 <br /> Page 2 of 3 <br /> - Allowable soil bearing capacity=2,000 psf <br /> - No surcharge loading behind walls <br /> - Slope at bottom of wall= 10:1; Slope at top= 3:1 <br /> - Minimum embedment depth=6" <br /> - Boulder Type: 12"-42" <br /> Direct surface drainage away from the walls. The wall design was performed using the design guidelines <br /> presented in the third edition of the"Design Manual for Segmental Retaining Walls"(DMSRW) <br /> published by NCMA in 2009. If soil conditions,proposed wall layouts,or other design parameters vary <br /> from that assumed, a revised analysis may be needed. Please call me if you have any questions or need <br /> more information. Thank you. <br /> Sincerely, <br /> Paul Schimnowski,PE <br /> CRITERIUM-SCHIMNOWSKI ENGINEERS <br /> TEL 651 779-7700 <br />