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January 31, 2024 <br />1.0 ft T-Arms Mount Analysis CCI BU No 825183 <br />Order 663380, Revision 1 Page 3 <br /> <br />ENG-FRM-10208, Rev. E <br />1) INTRODUCTION <br />This is an existing three sector 1.0 ft T-Arms, designed by DaVinci Engineering. <br /> <br />2) ANALYSIS CRITERIA <br /> Building Code: 2021 IBC / 2022 California Building Code <br /> TIA-222 Revision: TIA-222-H <br /> Risk Category: II <br /> Ultimate Wind Speed: 95 mph <br /> Exposure Category: C <br /> Topographic Factor at Base: 1.0 <br /> Topographic Factor at Mount: 1.0 <br /> Ice Thickness: 0 in <br /> Wind Speed with Ice: 30 mph <br /> Seismic Ss: 1.318 <br /> Seismic S1: 0.470 <br /> Live Loading Wind Speed: 30 mph <br /> Man Live Load at Mid/End-Points: 250 lb <br /> Man Live Load at Mount Pipes: 250 lb <br /> <br />Table 1 - Proposed Equipment Configuration <br />Mount <br />Centerline <br />(ft) <br />Antenna <br />Centerline <br />(ft) <br />Number <br />of <br />Antennas <br />Antenna <br />Manufacturer Antenna Model Mount / Modification <br />Details <br />56.0 56.0 <br />3 ERICSSON AIR 6419 <br />B41_TMO_CCIV2 <br />1.0 ft T-Arms <br />3 RFS/CELWAVE APXVAALL24_43-U- <br />NA20_TMO <br />3 ERICSSON RADIO 4449 B71 <br />B85A_T-MOBILE <br />3 ERICSSON RADIO 4460 B2/B25 <br />B66_TMO <br /> <br />3) ANALYSIS PROCEDURE <br /> <br />Table 2 - Documents Provided <br />Document Remarks Reference Source <br />Crown Application T-Mobile Application 663380 Rev. 1 CCI Sites <br />Mount Manufacturer Drawings DaVinci Engineering 3549463 CCI Sites <br /> <br /> 3.1) Analysis Method <br /> <br />RISA-3D (Version 17.0.4), a commercially available analysis software package, was used to create a three - <br />dimensional model of the antenna mounting system and calculate member stresses for various loading cases. <br /> <br />A tool internally developed, using Microsoft Excel, by Trylon was used to calculate wind loading on all <br />appurtenances, dishes, and mount members for various load cases. Selected output from the analysis is <br />included in Appendix B. <br /> <br />This analysis was performed in accordance with Crown Castle’s ENG-SOW-10208 Tower Mount Analysis <br />(Revision E). <br />2210 3%4 N Grand Ave Unit# <br />WCC01 - 1011184045/30/2024