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Site ID & FA Code: SICA001904 & 10087182 Page: 1 <br /> PTN: 3551A1F84J Date: May 14, 2025 <br /> Address: 2731 North Grand Designed By: V.A. <br /> Santa Ana, CA 92705 Checked By: R.K <br /> <br />BC Architects Engineers, PLC 5661 Columbia Pike, Suite 200, Falls Church, VA 22041-2868 Tel (703) 671-6000 Fax (703) 671-6300 <br />The purpose of this calculation package is to examine the adequacy of the existing antenna T- <br />arm mounts & attachments for support of new appurtenances. <br />The existing antenna T-arm mounts were analyzed using a 3D model in RISA 3D. It is assumed that <br />the mount connection elements are capable of resisting the loading associated with the full member <br />strength of the antenna mount’s structural members. <br /> <br />Proposed Final Appurtenances: <br />Se <br />c <br />t <br />o <br />r <br /> <br />ntennas <br />Filters RRUs <br />Ra <br />y <br />c <br />a <br />p <br /> <br />Po <br />s <br />i <br />t <br />i <br />o <br />n <br /> <br />Make Model <br />RA <br />D <br /> <br />( <br />f <br />t <br />) <br /> <br />Az <br />i <br />m <br />u <br />t <br />h <br /> <br />(d <br />e <br />g <br />) <br /> <br />Al <br />p <br />h <br />a <br /> <br />1 CommScope NNH4-65C-R6-V3 56 <br />100 <br />- <br />8843 B2/B66A <br />4449 B5/B12 <br />RRUS 32 B30 <br />DC6 <br />DC9 <br />2 Quintel QS8658-3 56 - - <br />3 Ericsson AIR6419 B77G <br />AIR6449 B77D <br />58.83 <br />55.5 - - <br />4 Quintel QD8612-7 56 - 4478 B14 <br />RRUS-E2 B29 (Ground) <br />Be <br />t <br />a <br /> <br />1 CommScope NNH4-65C-R6-V3 56 <br />220 <br />- <br />8843 B2/B66A <br />4449 B5/B12 <br />RRUS 32 B30 <br />DC6 2 Quintel QS8658-3 56 - - <br />3 Ericsson AIR6419 B77G <br />AIR6449 B77D <br />58.83 <br />55.5 - - <br />4 Quintel QD8612-7 56 - 4478 B14 <br />RRUS-E2 B29 (Ground) <br />Ga <br />m <br />m <br />a <br /> <br />1 Quintel QD8612-7 56 <br />350 <br />- 4478 B14 <br />RRUS-E2 B29 (Ground) <br />DC6 <br />2 Ericsson AIR6419 B77G <br />AIR6449 B77D <br />58.83 <br />55.5 - - <br />3 Quintel QS8658-3 56 - - <br />4 CommScope NNH4-65C-R6-V3 56 - <br />8843 B2/B66A <br />4449 B5/B12 <br />RRUS 32 B30 <br />Note: This table includes tower-mounted equipment only. <br /> Bold letters indicate proposed equipment. <br /> <br />Structural Documentation Provided: <br />Previous Mount Analysis Kimley-Horn and Associates, Inc., dated July 20, 2021 <br />It is assumed that all information provided to BC for this analysis is accurate and, unless otherwise <br />noted, the structure has been maintained in accordance with code standards and is in good condition. <br /> <br />