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<br /> <br />December 18, 2024 <br /> <br />Eddie Gonzalez <br />Derra Design, Inc. | Job Captain <br />Office: (951) 268-1650 <br />Mobile (714) 724-1123 <br />eddie.gonzales@derradesign.com <br /> <br />RE: Structural Verification Letter <br /> <br />Carrier: Verizon <br />Site Name: Plaza Drive <br />Fuze ID: 17356223 <br />Project: Equipment Change-Out <br />Site Address: 3420 S Bristol St. <br />Santa Ana, CA 92704 <br />Building Code: 2022 CBC <br />Design Standards: ASCE 7-16 & ANSI/TIA-222-H <br /> <br />Dear Mr. Gonzalez, <br /> <br />At your request, Ladera Engineering Group has reviewed the referenced documentation to determine the structural integrity of the <br />existing monopole due to the carrier’s proposed equipment configuration mounted on the tower. The following information was <br />provided as documentation to assist Ladera Engineering Group with the structural verification: <br /> <br />Document Type Company/Firm Project Identifier & Date <br />Construction Drawings Derra Design, Inc. Job No. 2407B, dated December 5, 2024 <br />Tower Manufacturer Drawings Vector Engineers Job No. U1212-418-151, dated September 18, 2015 <br />Mount Analysis Colliers Engineering & Design Project No. 24925169, dated September 18, 2024 <br />Structural Analysis Infinigy Job No. 5106-D0001-B, dated July 8, 2021 <br /> <br />The proposed scope of work includes adding (4) CBNG antennas and (1) Raycap 3315 to the carrier’s existing antenna mounts <br />at 39.0 ft above ground level. <br /> <br />In reviewing the original tower design loading by Vector Engineers dated September 18, 2015, Verizon’s final loading configuration <br />on this project has less wind EPA and less total weight then original loading used for the tower design. As such, Ladera <br />Engineering Group considers the existing monopole tower and its components to have enough capacity to adequately <br />carry the carrier’s final loading configuration . The assessment of the carrier’s structural mount is not included in the scope of <br />this project and is to be certified by others. <br /> <br />All referenced supporting documents have been obtained from the client and are assumed to be accurate and applicable to the <br />subject site. For the purposes of this assessment, it is assumed that an overall structure condition as erected and all members and <br />connections to be free of corrosion and or structural defects. The contractor is responsible for means and methods of construction <br />and shall notify Ladera Engineering Group immediately if any condition differs from what is listed above. <br /> <br />Should there be any questions, please do not hesitate to contact us (858) 386-8686. <br /> <br />Respectfully submitted by, <br /> <br />Kevin Diaz, P.E. <br />kdiaz@laderaeg.com <br />12/18/2024 <br />Exp: 09/30/2025