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<br />" . <br />. <br /> <br />.1.... <br /> <br />.e)(~. 5. <br /> <br />~ : <br /> <br />. . 1~t <br />aJ::'lv Ehresmann <br />....It Englnee~ing Ine. <br />ancI ,Assoaat:es <br /> <br />....-...... <br />....~~..... <br />'~i1iJl>.....:, <br />4400 West 31st Street - Yankton, SD 57078 f ..~ If' \ <br /> <br />Phone: (605) 665-7532 Fax: (605) 665-9780 \..~\~~ lj j <br />.... .....'l.?.... <br />E-Mail: eet@byelecmc.com ......:::..... <br />Web Address: http://sidibLnorthem.edulehresmannlee_home.htm <br /> <br />November 15, 1999 <br /> <br />Mr. Dan Vaughan <br />Arden T~wers, Inc. <br />3440 Bayside Road <br />Orono, MN 55356 <br />Ph: 612-473-3660 <br />Fax: .612-473-3880 <br /> <br />Subject: 700' Rohn 80 Guyed Tower <br />Site: Arden Hills, MN <br />EEl JO: 27366-99 (Revision 7) <br /> <br />Dear Mr. Vaughan, <br /> <br />. <br /> <br />We have completed our revised structural stress analysis of <br />the above described tower per your request. All information <br />required to complete our structural analysis was furnished <br />to EEl by your office. <br /> <br />Antenna and feedline loading were included per meeting with <br />you at our office dated 10/12/99. <br /> <br />Our revised analysis was completed per TIA/EIA-222-F, 80 mph <br />wind velocity and 1/2" ice with reduction allowed per your <br />instructions. Our analysis included the following loading: <br />"\oIJ..t- ru't!,f,.1I 7 <br />Existinq Loading . <br /> <br />, ITEM <br /> <br />ELEVATION <br /> <br />REMARK <br /> <br />------------------------------------------------------------ <br /> <br />. <br /> <br />Beacon & Strobe <br />PD458' on 6' SA <br />PDll10 on 6' SA <br />Preamp <br />7' Stabilizer <br />PD1l32 on 6' SA <br />PDlll0 on 6' SA <br />7' Stabilizer <br />PD458 on 6' SA <br />PDlll0 on 6 I SA <br />PD458 on 6' SA <br /> <br />~~6~1.;~ <br /> <br />TD60740n.6' SA <br />Side Lights <br />TDE6073 on 6' SA <br /> <br />700' <br />700' <br />700' <br />698' <br />680' <br />660' <br />655' <br />600' <br />570' <br />570' <br />555' <br />55'S' <br />540' <br />540' <br />535' <br />520' <br /> <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />f::X; !~t;.j,..llg , <br />,~~J.t~;'f~"~'''' <br />Existing <br />Existing <br />Existing <br />Existing <br /> <br />, Ll.rl'....,"';;~. <br />,-~<.~;-._.. <br />. '," ." ~ <br />:.'-J\:. <br /> <br />Antenna Support Structures. Guyed and Self-Supporting Towers and Monopoles. Steel Fabrication <br />Structural AnalysiS. Inspection. Specijicationi1- Project Managment . Detailing. P.E. Certijication <br />