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EVENED <br /> Cm civil&structural MAY 0 4 2023 <br /> ENGINEERING engineering&planning CITY OF EVERETT <br /> Permit Services <br /> MEMORANDUM <br /> To: Ryka Consulting <br /> From: Mike Maechler,PE,SE <br /> Date: February 7th,2023 <br /> Re: AT&T Site: WA6299 Port Gardner—Mount Analysis(CG Project No.23007.126) <br /> CG Engineering was retained by Ryka Consulting to provide structural analysis of the antenna anchorage for the site <br /> modifications proposed by AT&T per the agreed upon Scope of Work and in accordance with the 2018 International Building <br /> Code as amended by the local jurisdiction. The site is located at 1321 Colby Avenue,Everett WA. <br /> The structural mount analysis completed by CG Engineering was inclusive of the structural elements that were affected by the <br /> addition of antennas&RRU's associated with the proposed AT&T equipment deployment.Where applicable,this includes <br /> the antenna support structure,mounts,connections,appurtenances,and attachments to the main structure. <br /> Proposed Modifications: <br /> • Add(3)new Nokia AEQK,(1)per sector <br /> • Add(3)new CommScope NNH4-65C-R6-HG,(1)per sector <br /> • Add(3)new RRH 4T4R B12/14/29,(1)per sector <br /> • Add(3)new DC6-48-60-18,(1)per sector <br /> • Replace(3)exist 24"dia FRP shrouds with(3)42"dia FRP shrouds,(1)per sector <br /> • Relocate(3)existing shrouds,(2)at Gamma sector and(1)at Beta sector <br /> • Relocate(3)existing RRH AHCA units from the equipment room to the rooftop frames,(1)per sector <br /> • Remove(3)KMW EPBQ 654L8H8,(1)per sector• Remove(3)Kathrein 742-265,(1)per sector \-\ 00zEo <br /> • Remove(6)LGP214010 TMAs,(2)per sector <br /> • Remove(3)RRH 4T4R B14 160 FRBI,(1)per sector 2023 <br /> • Remove(3)RRH2x40W_7L,(1)per sector JUN 0 2 <br /> Antenna/Radio Unit Anchorage: CITY ®� ��ER 'I'T <br /> We have determined that the antenna&radio unit mounts and their attachmen s to @ rVe4101 6f$tructure are <br /> adequate.No upgrades are required. The new appurtenances shall be mounted to the existing 3"standard pipe mounts(3 <br /> 1/2"O.D.)with the hardware recommended by their respective manufacturer.Anchor the(3)relocated shrouds to the <br /> existing roof slab per the original installation details(attached for reference).The(3)new FRP shrouds and their attachments <br /> to the existing pipe masts will be designed by the FRP manufacturer.The contractor shall field verify that all(9)existing pipe <br /> masts are 3"standard pipe minimum(3 1/2"OD x 0.216"thick). <br /> Rom' <br /> 49 wAs.b. <br /> A• <br /> m. <br /> 250 4th Avenue South,Suite 200 <br /> S,r I ft 02/07/23 Edmonds,WA 98020 <br /> pj, ph.425.778.8500 I f.425.778.5536 <br /> www.cgengineering.com <br />