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• <br /> NWTE NorthWest Tower Engineering <br /> 76th Street, Everett, WA Report No. 210622.08 February 1, 2021 <br /> Introduction <br /> NorthWest Tower Engineering (NWTE) has completed a structural analysis of a 180-foot self <br /> support tower in South Everett, Washington. The analysis was performed at the request of <br /> Snohomish County 911 (Sno911) to determine the ability of the tower to support proposed <br /> equipment. <br /> Tower Information <br /> NWTE visited the site most recently on October 15, 2019 to gather information on the existing <br /> appurtenances. The tower is a Valmont Microflect model 72-S920-180 manufactured in 2002 <br /> (Order No. 1367901). Valmont Microflect installation drawings were provided. No foundation <br /> drawings or soils report were provided. If further information useful to the analysis is presented, <br /> then a revised report may be issued. <br /> Assessed Condition <br /> This analysis was performed to determine the ability of the tower to support the following load <br /> conditions (continued the next page): <br /> Existing Appurtenances <br /> F ..:t ,. v..x.,:..: s..r.:.;x. -... :-.., - -.; a-•,vrnw;a+zT;^mzr ianvr: r.+: ,.�-c_. ..-...- ,w._ ..,.�,:.q <br /> Elevation Location Appurtenance Tx Line Tx Line <br /> No. <br /> 27' 4 Leg A Standoff 1.5"0 x 2'-6" Omni Antenna 1/2" Coax #15 <br /> 63' 4 Leg C Standoff <br /> SRL-210-C2, 10' Dipole 7/8" Coax #13 <br /> 87' Each Leg (3) Obstruction Lights 1" OD Conduit #19 <br /> 4' Standoff Yagi Antenna 30" x10" 1/2" Coax #14 <br /> 97 Leg A Camera (95') 1/8" Coax #20 <br /> 1/4" Twin Coax #21 <br /> 117' 4 Leg A Standoff <br /> SRL-210-C2, 10' Dipole 7/8" Coax #12 <br /> 123' 4' Standoff C ff SRL-210-C2, 10' Dipole 7/8" Coax #11 <br /> Leg 150' 4' Standoff 4ft mast 7/8" Coax #10 <br /> Leg C Small Panel Antenna (PD) '/4" Twin Coax #22 <br /> 151' Leg B 6' HP MW Dish (Clearview) EW90 #16 <br /> Sector Mount (3) Celwave 881205, (3) 7/8" Coax #6,8,9 <br /> 154' 2"0 x 8' Omni Antennas <br /> Leg A (2) Small Panel Antennas (PD) (2) '/4" Twin Coax #23,24 <br /> 158' Leg B 4' HP MW Dish (Snopac) EW90 #17 <br /> 4' Standoff SRL-210-C2, 10' Dipole (dn) VHF 7/8" Coax #7 <br /> 178 Leg A TX/RX 101-90-08, 1/4" Coax #1 <br /> 3"0 x 10' Omni Antenna (up) &TMA 7/8" Coax #5 <br /> NorthWest Tower Engineering 1 www.nwtower.net <br /> 3426 Broadway,Suite 302,Everett,WA 98201 Tel 425-258-4248 Fax 425-258-4289 <br />