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Dish Wireless SESEA00377C Everett City Hall — 21015.312 <br />Structural Analysis Report <br />ANALYSIS CRITERIA <br />September 27, 2023 <br />Page 3 <br />The parameters in the following table were used in our analysis of the structure based on its location. <br />City of Everett, WA <br />Wind Criteria <br />Seismic Criteria <br />Basic Wind Speed w/o Ice (3-s Gust): 100 mph <br />Risk Category: II <br />Sds: 0.832 <br />Exposure: B <br />Kzt (ASCE 7-16): 1.0 <br />Sd1: 0.547 <br />Notes: 1. Refer to the attached topographic maps used to determine the topographic factor. <br />2. Parameters based on the 2018 International Building Code (IBC) and referenced standards. <br />CONCLUSIONS/RECOMMENDATIONS <br />We have determined the existing building structure to be sufficient to support the proposed <br />appurtenance configuration. Antennas shall be mounted to 3" STD pipe mounts (3 Y2" O.D.) and <br />appurtenances shall be mounted to 2" STD pipe mounts (2 3/8" O.D.) with hardware recommended by <br />their respective manufacturers. Equipment at the new H-frame and equipment platform shall be <br />mounted with hardware recommended by their respective manufacturer. Refer to structural drawings <br />by CG Engineering for information on new FRP shrouds and anchorage to the existing building. <br />CONDITIONS OF ANALYSIS <br />This structural analysis is based on the documentation that was available to us. CG Engineering did not <br />perform an observation of this site to verify the accuracy of the provided structure and appurtenance <br />data, and we should be contacted immediately if there are any discrepancies with the information <br />stated within this report. <br />Our analysis is based on the assumption that the original structural design and all subsequent structural <br />analyses were properly designed and permitted per the applicable building codes, and that the structure <br />has been properly installed and is maintained to the minimum standards required by code. We assume <br />the structure has no known deterioration or damage that would adversely affect its capacity. <br />250 4th Avenue South, Suite 200 <br />Edmonds, WA 98020 <br />ENGINEERING ph.425.778.8500 1 f.425.778.5536 <br />www.cgengineering.com <br />