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l<Prff 737 North Line -40-55 and Rail Yard <br /> KPFF Proj. No. 23000208 <br /> Permit Submittal <br /> 1601 5th Avenue,Suite 1600 Structural Calculations <br /> Seattle,WA 98101 206 622-5822 <br /> DESIGN SUMMARY <br /> Date: 7/20/2023 <br /> By: MGK <br /> Design: Existing Column Design <br /> The existing structure is comprised of steel concentrically braced frames. <br /> At grid intersection F/14, it was assumed the braced frame column was braced by the existing girt <br /> at the top of the existing door. Increasing the height of the door increased the braced length of the <br /> existing column. The following calculations cover the strengthening of the column to provide a <br /> capacity that is greater than the existing condition. <br /> C013 <br />