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C1(1C NORT/14.e <br /> fir cOiesatNit• PACIFIC NORTHWEST ENGINEERING, INC. <br /> foundations. Our mission is to provide the best foundation possible with the most valuable features at an <br /> affordable price. <br /> ENGINEERING DESCRIPTION <br /> At the request of Cornerstone Foundation System Pacific Northwest Engineering has studied the empirical <br /> testing performed by Umpqua Testing Company. It is my professional opinion that all tests were conducted <br /> in the realm of nationally recognized and accepted testing methods. The test loads have been compared to <br /> the anticipated load for proof of performance. The anticipated loads are found in the National Model <br /> Manufactured Installation Standards contained in 24 CFR 3235.303. <br /> CORNERSTONE FOUNDATION SYSTEM "SMART FOUNDATION"WALL PANEL <br /> Dimensions for each of Cornerstone Foundation Systems' precast concrete wall panels: <br /> Running Bond 54 (SFRB-54)- 32"high, 54"long and 2" thick. <br /> Ledge Stone 60 (SFLS-60) - 32"high, 60" long and 2"thick. <br /> Smooth 60(SFS-60) - 32"high, 60"long and I 1/2"thick. <br /> Cornerstone Foundation Systems' precast concrete foundation wall panels are manufactured using high <br /> strength lightweight concrete with structural fiber at an average strength of 3200 PSI. Precast concrete <br /> ----- foundation-wall-panels are-eut-onsite precisely-to-fit.-Each-precast-concrete foundation-wall panel-is-securely ------ <br /> fastened to the rim-joist and footing; providing a continuous permanent structural perimeter support which <br /> eliminates any unsecured gap at the top and bottom of the homes perimeter. Precast concrete foundation <br /> wall panel installation includes within its design perimeter pier and wind-anchoring tie down. *See Poured <br /> in Place Footing Installation Instructions & Smart Foundation RB-54. 8-60 and LS-60 Installation <br /> Instructions. <br /> CONNECTOR PLATE <br /> Cornerstone Foundation Systems' top and bottom connectors are manufactured from high tensile banding <br /> material, 14" wide, .031 thick at 5000 lbs. tensile strength. Connector plates are two holes punched, cut to <br /> size 17/3" and zinc plated. Connector plates provide top and bottom connection of the precast concrete <br /> foundation wall panel to the rim joist and footing. Concrete screws are the fasteners used to secure the <br /> connector plates to the precast concrete foundation wall panel to the rim joist and footing. *See Connectors <br /> Inside & Outside Wall. <br /> WEDGES • <br /> Cornerstone Foundation Systems' wedges are cast I I of high-density strength concrete with mmrofiber. <br /> Dimension of each wedge is 3" x 3" by 'A" thick. � <br /> Wedges arc used to lift precast concrete foundation - <br /> • <br /> p; • I <br /> 4242 Silver Falls Dr. N.,Silverton, OR.97381 <br /> ph #(503) 873-3184 fax # (503) 873-3907 <br /> P.E. # 13,676 <br /> Page 13 of 13 <br />