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J • <br /> III <br /> QUANTUM I CONSULTING ENGINEERS <br /> August 27,2019 <br /> James Bronder <br /> City of Everett <br /> Department of Planning&Public Works <br /> 3200 Cedar St.,2nd floor <br /> Everett,WA <br /> Subject: Building Permit Application#B1906-039—3302 McDougall Ave,Everett,WA <br /> Quantum Project#19231.02 <br /> Dear James: <br /> We have received the correction notice on the above-referenced project dated August 19, 2019.Below are <br /> our responses to the structural comments. All changes to the drawings due to a plan check comment have <br /> been clouded on the drawings. <br /> * * * * * <br /> STRUCTURAL CORRECTIONS <br /> 1. From the Architectural sheet A2.1,the mezzanine level is indicated as a storage use. Pers ASCE <br /> 7-10 Sec. 12.7.2,a minimum of 25%of the floor live load is to be included in the effective <br /> seismic weight take off for the structure. Please revise seismic base shear numbers as required. <br /> See Revl Supplemental structural talcs for lateral design revision with updated 25%live load <br /> included in the seismic weight for the mezzanine. There were no changes to the lateral design, <br /> it was adequate enough to resist the small increase in seismic base shear. <br /> 2. The proposed concrete retaining wall is indicated to be approximately 9'-0"in retained soil <br /> height.Per Architectural sheet A 1.1,the area at the top of the retaining wall is designated as a <br /> loading area, but according to detail 4/s3.1, it appears that no traffic surcharge,or other such <br /> loading for a permanent retaining wall appear to be included in its design.Please revise design <br /> as required.IBC 1604.1, 1604.2. <br /> See Revl supplemental talcs for retain wall design with traffic surcharge and revl structural <br /> drawings sheet S3.1 for retain wall detail on 4/s3.1. <br /> 1511 THIRD AVENUE <br /> SUITE 323 <br /> SEATTLE,WA 98101 \ <br /> TEL 206.957.3900 k <br /> FAX 206.957.3901 <br /> www.quantumce.co <br />