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Page | 4 <br />3.1) Analysis Method <br />RISA-3D (Version 17.0.4), a commercially available analysis software package, was used to create a three-dimensional model of the <br />antenna mounting system and calculate member stresses for various loading cases. <br />Load Calculator v1.2, a tool internally developed by Ladera Engineering Group, was used to calculate wind and seismic loading on all <br />appurtenances, dishes and mount members for various loading cases. Selected output from the analysis is included in Appendix B <br />“Software Input Calculations”. <br />3.2) Assumptions <br />1) The antenna mounting and the supporting structural system were properly fabricated, installed and maintained in good <br />condition in accordance with its original design and manufacturer's specifications. <br />2) The configuration of antennas, mounts, and other appurtenances are as specified in Table 1 and the referenced <br />drawings. <br />3) All member connections are assumed to have been designed to meet or exceed the load carrying capacity of the <br />connected member unless otherwise specified in this report. <br />4) The analysis will be required to be revised if the existing conditions in the field differ from those shown in the above- <br />referenced documents or assumed in this analysis. No allowance was made for any damaged, missing, or rusted <br />members. <br />5) All bolted connections are pretensioned in accordance with Table 8.2 of the RCSC, 2014 Standard. <br />6) Steel grades have been assumed as follows, unless noted otherwise: <br /> Channel, Solid Round, Angle, Plate ASTM A36 (GR 36) <br /> HSS (Rectangular) ASTM A500 (GR B-46) <br /> HSS (Circular) ASTM A500 (GR B-42) <br /> Pipe ASTM A53 (GR 35) <br /> Connection Bolts ASTM A325 <br /> U-Bolts ASTM A307 <br />This analysis may be affected if any assumptions are not valid or have been made in error. Ladera Engineering Group should <br />be notified to determine the effect on the structural integrity of the antenna mounting system. <br />3.3) Liability Waiver and Limitations <br />Our structural calculations are completed assuming all information provided to Ladera Engineering Group is accurate and applicable <br />to this site. For the purposes of calculations, we assume an overall structure condition as erected and all members and connections <br />to be free of corrosion and/or structural defects. The structure owner and/or contractor shall verify the structure’s condition prior to <br />installation of any proposed equipment. If actual conditions differ from those described in this report, Ladera Engineering Group <br />should be notified immediately to assess the impact on the results of this report. <br />Our evaluation is completed using industry standard methods and procedures. The structural results, conclusions and <br />recommendations contained in this report are proprietary and should not be used by others as their own. Ladera Engineering Group <br />is not responsible for decisions made by others that are or are not based on the stated assumptions and conclusions in this report. <br />This report is an evaluation of the specified carrier’s mount structure and corresponding supporting structure only and does not <br />determine the adequacy of other carrier mounts or cable mounting attachments. The analysis of these elements is outside the <br />scope of this analysis, are assumed to be adequate for the purpose of this report and to have been installed per their manufacturer <br />requirements. This document is not for construction purposes. <br />1344 3%4 S Main <br />St WCC01 - <br />10111364403/23/23