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_ � .. t"e,1Y`�i� <br /> y4. .. .'`•�r't ? 'i <br /> �K��� <br /> Mattson Basset Creek Business Center <br /> Macdanald 901 North 3rd Street, #100 <br /> Y�UnC� Minneapolis, MN 55401 <br /> structural 612-827-7825 voice <br /> engineers 612-827-0805 fax <br /> Date: October 13, 2005 <br /> To: Zagaria Meyer Architects <br /> 1798 Pinehurst Ave. <br /> St. Paul, MN 55116 <br /> Attn: Chris Zagaria <br /> From: Eric Bunkers <br /> Project: MAB Home, Inc. <br /> 3619 North Shore Dr. <br /> Orono, MN <br /> Proj No: 05576 <br /> Subject: New residence <br /> Dear Chris: <br /> As requested, I designed new structural members and foundations for the above referenced project. I have <br /> designed the new members using a roof and floor dead load of 15 psf, a snow load of 35 psf, a floor live load <br /> of 40 psf, and a 90 mph wind load in accordance with the Minnesota State Building Code. My work only <br /> inciudes designing the new members as shown at the above reference project and is based on drawings <br /> provided by you dated September 30, 2005 and from our conversations. <br /> Attached are three plan views, a building section and four elevations with "redlined"framing notes and five <br /> details showing the new members and connections. New framing shall be shored and temporarily braced as <br /> required by the contractor and all minimum nailing shall be in accordance with IBC Table 2304.9.1. Lumber <br /> shall be #2 SPF and treated lumber shall be #2 S. Pine when in direct contact with concrete. My calculations <br /> assume all lumber is of good quality and does not have large splits and checks and shall be visually <br /> inspected by the contractor at the time of construction. All fasteners, including nails in contact with treated <br /> lumber shall be G185 hot dipped galvanized or a barrier shall exist between metals and treated material. <br /> Engineered LVL material shall have Fb =2950 psi with E =2.0 with the sizes shown on the plans. Concrete <br /> shall have a 28 day strength of 3500 psi while using grade 60 rebar. The footings have been designed <br /> based on an assumed allowable soil bearing pressure of 2000 psf. The soils beneath the footings are <br /> assumed to be granular in nature and shall not contain any organics, roots, or top soil and shall be verified <br /> during excavation. <br /> When installed as indicated above, the framing members and foundation shown on the attached sheets shall <br /> support the loads as required in accordance with the Minnesota State Building Code. If you have any <br /> questions or concerns, please feel free to contact me. <br /> Sincerely, <br /> Mattson Macdonald Young, Inc. <br /> �' � <br /> � � <br /> � <br /> Eric M. Bunkers, P.E. <br /> MN Reg. Num.26490 <br />