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5 <br /> structural <br /> M i i PR <br /> ENGINEERINGiiiivi <br /> April 19, 2018 <br /> Slichter I Ugrin Architecture <br /> ATTN: John Day <br /> 415 S 13th Street <br /> Boise, ID 83702 <br /> RE: JIB Everett Remodel <br /> Everett, WA <br /> International Existing Building Code <br /> John, <br /> The following sections of the International Existing Building Code are used for the roof framing repairs <br /> and their respective effect on the existing lateral load resisting system. <br /> 606.2.3 Substantial structural damage to gravity load-carrying components. <br /> • Existing roof framing members are not damaged but have serviceability issues, excessive <br /> deflection due to snow loads. Damage has not been caused by wind or seismic effects. <br /> • Existing roof framing members have been analyzed for International Building Code loads and <br /> new roof framing members have been added or existing roof framing members have been <br /> retrofit to comply. <br /> 702.6 Materials and methods. <br /> • New work complies with the materials and methods requirements in the International Building <br /> Code. <br /> The new parapet system increases wind loads by greater than 10% (1103.3.1) and therefore require <br /> lateral system evaluation; seismic loads increase by less than 0.5%. The existing lateral load resisting <br /> system consists of"Intermediate Reinforced Masonry Shearwalls" as determined by reinforcing detailing <br /> indicated in the as-built drawings. A comparison of seismic and wind loads, as determined by the <br /> International Building Code, indicated that seismic loads govern by approximately 70% and that new wind <br /> loads do not exceed existing seismic loads. Therefore, the existing lateral force resisting system is <br /> adequate for the increased wind loads due to the new parapet system. Please find attached structural <br /> calculations for referenced evaluation. <br /> If you have any questions, please don't hesitate to contact our office. <br /> Sincerely, <br /> Jeremy D. Parrish, P.E. <br /> pV1D•(,". <br /> ,;v s*.vAs <br /> ie <br /> A.7* ...,,e: ,,,ict., o y,-, <br /> ,A .,,- <br /> , + 46097 vs) ,ei <br /> `PSzoNAL - <br /> 04/19/2018 <br /> 6r <br /> 683 N. Five Mile Rd. Boise, ID 83713 I o: 208.795.5105 I www.structuraledge.com �1 <br />