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Rooftop Structural Design Report February 17, 2023 <br /> Project Number:DSH-062R1/2204047 Page 2 <br /> 1.0 INTRODUCTION <br /> This is a 66.75 ft building w/ penthouse constructed of wooden joists. Proposed antennas and equipment are to <br /> be installed at a mount elevation of 63.5 ft on the proposed FRP Enclosed antenna mounts that are attached to <br /> building roof in sectors A & C and on the proposed FRP Box Enclosed antenna pipe mounts mounted to the <br /> building penthouse walls in sector B. The cabinet loading is also placed on the proposed base frame which is <br /> connected to the roof. <br /> 2.0 ANALYSIS CRITERIA <br /> The following design parameters have been used in our analysis: <br /> Design Standard: 2018 International Building Code <br /> ASCE 7-16, Minimum Design Loads and Associated Criteria for <br /> Building and Other Structures <br /> ACI 318-19, Building Code Requirements for Structural Concrete <br /> AISC 325-17, Manual of Steel Construction <br /> Design Wind Speed: 110 mph (Ultimate 3-sec gust)with no radial ice <br /> Risk Category: II <br /> Exposure Category: C <br /> Topographic Factor, K2t: 1.0 <br /> Seismic Ss: 1.198 <br /> Seismic Si: 0.426 <br /> The structural analysis was based on the following documentation: <br /> Table 1 —Documentation <br /> Document Description Source <br /> Building Drawings Fossatti Pawlak, Client <br /> Job No. 19-042, dated 05/28/2019 <br /> Preliminary Construction Drawings Morrison Hershfield, MH <br /> Site ID: SESEA00380C, dated 01/11/2023 <br /> RF Data Sheet Dish Wireless, LLC, Client <br /> Site ID: SESEA00380C, dated 09/13/2022 <br /> Structural Design Drawings Morrison Hershfield, ON FILE <br /> Site ID: SESEA00380C, dated 02/17/2023 <br />