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NAEIH YOUSSEF <br />ASSOC IATES <br />;jjj 5TRUCTURAL. ENCINEaR <br />May 27, 2016 REV1 <br />Gerald Caralg, PE, CBO, CASp <br />Building Safety Manager / Building Official <br />City of Santa Ana <br />Planning and Building Agency <br />20 Civic Center Drive, M -19 <br />Santa Ana, CA 92702 <br />EXHIBIT A <br />RE: One Broadway Plaza — City of Santa Ana Plan Check (NYA # 07332.03) <br />Structural Engineering Consulting Services <br />Dear Mr. Caralg, <br />NYA Is pleased to provide this proposal to assist the City of Santa Ana Building and Safety Division with a <br />structural plan check of the proposed project at 1001 -1005 North Broadway street at "One Broadway <br />Plaza <br />The proposed project consists of: <br />One 37 story Office Tower with basement level — approx 692,150 sr. <br />In the absence of additional Information, our proposal is based on the following assumptions; <br />1. A complete 100% Construction Document package (not phased permitting) will be presented for <br />our review of the Superstructure, We are assuming that cladding, equipment anchorage, stairs, <br />elevators, etc. will be deferred approval items not part of this review. <br />2. A complete 100% Construction Document package (not phased permitting) will be presented for <br />our review of revisions to the April 2012 Foundations perrnit including the following information: <br />a. Justifying the adequacy of the foundations already permltted under CBC 2007 & CBC 2010 <br />for updated demands from the Superstructure redesigned to CBC 2013; <br />In. Any updated/ revised foundation elements, All new/ revised foundation elements will need <br />to satisfy CBC 2013 <br />3. The building configurations, structural systems & framing for the subject building will be Identical to <br />the December 2011 & April 2012 drawings that NYA reviewed & approved previously, except for <br />changes to the floor diaphragms due to the addition of a new egress stair through the height of the <br />tower. At this point, it is our understanding that some changes to the shear walls are anticipated <br />due to the addition of the new stair, <br />4. All building superstructure elements shall be redesigned as required to meet the CBC 2013 code <br />requirements. Among others, we list below a few of the Important code changes that may impact <br />the subject building redesign, <br />a, Building design & analysis needs to be updated to meet ASCE 7 -10 & CBC 2013 <br />requirements <br />b. All concrete elements need to be redesigned to satisfy ACI 318.11, <br />c. All concrete anchorage related items need to satisfy ACI 31 B -11 Appendix D requirements, <br />Anchor reinforcements where used to contain & prevent concrete breakout (allures need to <br />satisfy ACI 316 -11 Appendix D requirements. <br />d. Foundations need to be redesigned corresponding to new code forces & requirements. <br />) S....th Fmpe tine W, 5u111, 1760. Ur A,ggv,es, 0143m„ )0071 � r6L 271 - 3620'707 IA$ 113- fi8B -369rt - www.tliYA:SE COCA <br />LOS ANGELES IRVINE SAN FRANCISCO <br />