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c. The beams should be evaluated for unsupported lengthse u pp q no the clear spans. Lateral <br /> support by the existing structure is not permitted unless it is provided in such a way to <br /> prevent the transfer of vertical loads per the previous comment. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> d. The support walls and bracing should be provided in both orthogonal directions. Wall appear <br /> to be provided in only one direction per Detail A/S2. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> e. Continuing with the previous comment, the beams should be designed for lateral and vertical <br /> seismic loads concurrently with the gravity loads. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> f. The structural drawings do not appear to include connections details to the existing walls. <br /> Details should be included in the drawings. Calculations substantiating the connection design <br /> should be submitted for review. The connection design should consider concurrent vertical <br /> and lateral seismic loads with the gravity loads. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> g. The vertical framing supporting each ends of the beams should be clearly defined in the <br /> structural drawings. Calculations substantiating the capacity of the supports, including <br /> existing loads where existing framing is utilized, should be submitted for review. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> h. Supplemental framing to support the existing roof sheathing at the duct penetrations should <br /> be provided. The supplemental framing should allow independent vertical movement. <br /> All architectural/structural items to be addressed in submittal documents in building permit <br /> application B2103-046. <br /> 7. Mechanical units are located on sloped roofs and may require access platforms and guards for <br /> maintenance per IMC Section 306.5.1. The slope of the roof should be specified. If a platform is <br /> required, this work should be included as part of the building permit unless it is integral constructed <br /> as part of the mechanical equipment. <br /> All architectural/structural items to be addressed in submittal documents in building permit application <br /> B2103-046. <br /> Sincerely, <br /> Austin Rapp, B.S. M.E David Bradley,P.E. <br /> Ph. (360) 325-2515 Ph. (360) 752-5795 <br />