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ENJ STRUCTURAL <br /> ENGINEERS <br /> Engineers Northwest Inc.,P.S. <br /> December 6, 2018 <br /> City of Everett, WA <br /> Public Works Department <br /> 3200 Cedar Street Everett,WA 98201 <br /> ATT: Drew Martin <br /> RE: <br /> Seaway Center Mechanical Platform Everett,WA <br /> Plan Check Number: B1810-016,First Review <br /> City Comment& Response <br /> Architectural <br /> 1. The architectural drawings do not include plan views of the platform levels clarifying the required <br /> construction. As an example, the stairway runs and intermediate platforms are not clear. Other <br /> information may be required to clarify the proposed work. Plans should be provided clarifying the <br /> work to be performed. See IBC Section 107.2.1. <br /> Response: Please see structural drawing set showing the 3D model on general note <br /> sheet as well as plans and elevations showing the location of the stairs. <br /> 2. Continuing with the previous comment, Plan 2/S1.1 shows a limited extent of floor grating and <br /> references the mechanical drawings for additional information. The architectural drawings shall <br /> show the extend of the intended walking surface, including the stairways and grating panels <br /> intended to be temporarily removable. Where panels are intended to be removable, guards shall <br /> be provided. Details for the connection of the grating to the structural framing shall be provided. <br /> See IBC Section 107.2.1. <br /> Response: Please see structural plan sheet S1.1 for grating information. The grating <br /> covers the whole area of the platform and will be coordinated by the mechanical <br /> contractor. The grading panels are not intended to be removed as far as we know. The <br /> connection of the grating is per manufacturer's recommendation. <br /> 3. The drawings do not include the stairways and intermediate platforms. Elevations, sections, and <br /> details should be provided as needed to clarify the required construction. See IBC Sections 107.2.1 <br /> and 1011. <br /> Response: Please see revised structural plans and elevations for these details. <br /> 4. The structure, including the stairways and intermediate platforms, shall be provided with guards <br /> along all walking surfaces. Details for the design of the guards shall be provided in the <br /> construction drawings. See IBC Sections 505.3.3 and 1015.2. <br /> Response: Please see revised structural plans, elevations, and 3D model for location of <br /> the guards and connection details. <br /> 9725 Third Avenue NE•Seattle,WA 98115 <br /> 206.525.7560.fax 206.522.6698 <br /> w -ngineersnw.com <br />