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C C <br />ENGINEERING <br />March 23, 2021 <br />Drew Martin <br />City of Everett <br />3200 Cedar Street <br />Everett, WA 98201 <br />civil & s ructural <br />engineering & planning <br />RE: Response to Review Comments - Structural <br />Permit Number: <br />Project Name: <br />Project Address: <br />Dear Mr. Martin, <br />B2101-041 <br />Atal-Barrio Residence <br />2610 Hillside Lane <br />Itemized below is our response to the review comments dated March 17th, 2021 for the above referenced <br />project. Our response appears in bold. <br />1. The Main Floor framing around the stairway may require modification to address Architectural <br />Comment 1. Modifications of the vertical framing above and below, including the foundations, <br />may also be required. See IRC Section R301.1.3, and IBC Sections 1604.1 and 1604.4. <br />The structural drawings have been revised to accommodate the changes to the stair opening. <br />2. Details for the construction of the stair stringers should be provided. Due to the spans, the <br />stringers may require strengthening to support the applied loads. The stringers will be <br />supported by the slab -on -grade and should comply with IRC Section R317.1(3). See IRC Section <br />R301.1.3, and IBC Sections 1604.1 and 1604.4. <br />Details for the stair stringers have been added to the structural drawings. Please refer also to <br />the attached calculations. <br />3. The Second Floor Framing Plan on Sheet S2.2 appears to include new shear walls that are not <br />identified. The plans should be clarified as needed. See Section 106.1.1. <br />The structural drawing Sheet S2.2 has been updated with the shear wall call outs. <br />250 4th Avenue South, Suite 200 <br />Edmonds, WA 98020 <br />ph.425.778.8500 1 f.425.778.5536 <br />www.cgengineering.com <br />