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Structural Works, PLLC <br /> 1412 Beach Dr NE <br /> Tacoma, WA 98424 <br /> 253-533-)333 <br /> June 29, 2023 <br /> Drew Martin, Permit Services City of Everett <br /> 3200 Cedar St 2nd Floor Everett, WA 98201 <br /> RE: Building Permit Application#B2204-003—Fabella Residence <br /> To whom it may concern: <br /> 3. The structural design appears to be engineered per IRC Section R401.1.3. Structural calculations should be <br /> submitted substantiating the design. The calculations should include all parts of the structure,including but not <br /> limited to the foundations,shear walls and holdowns and gravity framing. See IBC Sections 1604.1 and <br /> 1604.4,and additional comments below. <br /> Response: Building has been engineered per IBC, not IRC. IRC Reference(s)has been <br /> removed from the calculations <br /> 4. The continuous foundations appear to have reduced in size versus the original design. The foundation design <br /> should verify the bearing pressures,including combinations with seismic loading. In addition,the foundation <br /> design should specify the minimum required embedment depth,which should not be less than the greater of <br /> that required by the geotechnical report for the site conditions or the 18 inch frost depth. <br /> Response: Frost depth has been revised. Foundation is engineered to carry both the vertical <br /> and horizontal loads. <br /> 5. The Main Floor beam on the west side supports a discontinuous shear wall. The beam is required to be design <br /> for load combinations with seismic forces increased by overstrength See IBC Section 1613.1 and ASCE 7-16 <br /> Section 12.3.3.3. <br /> Response: Calculations have been revised w/overstrength factor. See revised submittals. <br /> Regards, <br /> Ercin Sahin, PE <br /> Structural Works PLLC <br />