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SAFE HAVEN SE <br /> 4852 38TH AVENUE SOUTH <br /> STRUCTURAL ENGINEERING MINNEAPOLIS, MN 5541 7 <br /> 61 Z-284-7033 <br /> February 10, 2018 <br /> Littfin Design <br /> Mitch Littfin <br /> Project (SH#18027): Point Load on Foundation Wall <br /> 4751 Tonkaview Ct <br /> Orona, MN <br /> Dear Mitch: <br /> As you requested, I have reviewed the point loads from the LVL beam over the existing <br /> door opening in the basement of the residence located 4751 Tonkaview Court in Orono, <br /> Minnesota. A new (4) 1 3/4" x 9 1/4" LVL beam shall span 6'-0" over the existing 2'-8" <br /> concrete door(reference 2/A1). This will help spread out the point load from the 5 1/4" x <br /> 5 1/4" PSL post above (reference 2/A2). On the south side, V-0" from the edge of the <br /> opening, the point load is 7,891 pounds, while on the north side, 2'-4"from the edge of <br /> the opening, the point load is 9,741 pounds. These loads land on an existing 8" <br /> concrete wall that is approximately 7'-6"tall. Underneath the slab, the foundation wall <br /> continues down another 3'-0" bearing on the existing 20"wide by 8"thick concrete strip <br /> footing. The Safe Bearing Pressure for the soil is assumed to be 2,000 PSF and the <br /> point loads are assumed to spread out over 6'-0" along the length of the foundation wall, <br /> minimum. The existing foundation wall shall be sufficient to bear these new point loads. <br /> No additional reinforcement of the foundation wall or footing shall be required. <br /> The 2015 Minnesota Building Code and the 2012 International Residential Code are <br /> applicable. Please call me if you have any questions concerning this project. <br /> Sincerely, <br /> Safe Haven Structural Engineering LLCLX <br /> ,\111111,, <br /> .p <br /> 4 • <br /> • 11 • <br /> 47507 <br /> Derek O Phillips, P.E. ��,, �, <br /> , <br /> MN Reg. No. 47507 �'.,"FQ M1 <br /> ,,sellsl\ <br /> DISCLAIMER <br /> The structural evaluation was limited to structural elements judged to represent typical framing element <br /> conditions and capacities. The opinions stated in this letter are based on Safe Haven SE's reasonable <br /> professional judgment and experience. This letter does not address any other portion of the structure other <br /> than those mentioned, nor does it provide any warranty, either expressed or implied, for any portion of the <br /> existing structure. Consult a geotechnical engineer with any concerns regarding soil capacities. <br />