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Date: January 22,2018 <br /> Katie Stana Tower Engineering Professionals <br /> Crown Castle 326 Tryon Road <br /> 2055 S. Stearman Drive Raleigh, NC 27603 <br /> Chandler,AZ 85286 (919)661-6351 <br /> (602) 845-1747 crownatepgroup.net <br /> Subject: Structural Analysis Report <br /> Carrier Designation: AT&T Mobility Co-Locate <br /> Carrier Site Number: SN89 <br /> Carrier Site Name: Mukilteo Heights <br /> Crown Castle Designation: Crown Castle BU Number: 826263 <br /> Crown Castle Site Name: Norpro <br /> Crown Castle JDE Job Number: 478732 <br /> Crown Castle Work Order Number: 1513057 <br /> Crown Castle Application Number: 421512 Rev. 0 <br /> Engineering Firm Designation: TEP Project Number: 46302.154364 <br /> Site Data: 2215 Merrill Creek Pky., Everett,Snohomish County,WA 98203 <br /> Latitude 47°56'32.81", Longitude -122°15'42.95" <br /> 150 Foot-Monopole Tower <br /> Dear Katie Stana, <br /> Tower Engineering Professionals is pleased to submit this "Structural Analysis Report" to determine the <br /> structural integrity of the above mentioned tower.This analysis has been performed in accordance with the Crown <br /> Castle Structural 'Statement of Work' and the terms of Crown Castle Purchase Order Number 1129942, in <br /> accordance with application 421512, revision 0. <br /> The purpose of the analysis is to determine acceptability of the tower stress level. Based on our analysis we have <br /> determined the tower stress level for the structure and foundation, under the following load case,to be: <br /> LC7: Existing+ Reserved + Proposed Equipment Sufficient Capacity <br /> Note:See Table I and Table II for the proposed and existing/reserved loading,respectively. <br /> The analysis has been performed in accordance with the 2016 Washington Building Code, WAC Chapter 51-50 <br /> (2015 International Building Code) based upon an ultimate 3-second gust wind speed of 110 mph converted to a <br /> nominal 3-second gust wind speed of 85 mph per Section 1609.3.1 as required for use in the TIA-222-G Standard <br /> per Exception#5 of Section 1609.1.1. Exposure Category C and Risk Category ll were used in this analysis. The <br /> Seismic Design Category is D and the Site Class is C, as determined in "Appendix C—Additional Calculations"of <br /> this report. <br /> All modifications and equipment proposed in this report shall be installed in accordance with the appurtenances <br /> listed in Tables 1 and 2 and the attached drawing for the determined available structural capacity to be effective. <br /> We at Tower Engineering Professionals appreciate the opportunity of providing our continuing professional <br /> services to you and Crown Castle. If you have any questions or need further a • s ,nce on or any other <br /> projects please give us a call. <br /> / <br /> Structural analysis prepared by: Connor J. Klein/TSA ti9aF asy p <br /> L. <br /> Respectfully submitted by: Q Z 70 <br /> O c' <br /> Ronald E. Glover, P.E., S.E. . \52921 <br /> RAL ANG <br /> QNAL <br /> Exp 12/26/2019 ��� 01/22/2018 <br />