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<br />.," ~ <br />,'" ~ <br />., ........... <br />. ' 'II- ~ <br />....,.. . "."'/. _ . ....~.,~~~~e';;.... <br />, Ii' EI EHRESMAJVN ENGINEERING,. INC ".,,__ (~~~Y) <br />......,. RR5 Box 38OB. yankton, South Dakota 57078 ....\~;o 1..$/ <br />Phone: (60S) 665-7532 . FAX: (605) 665-9780 ....::4"E/igin..i'..>.. <br />.............. <br /> <br />Nov~ber 05, 1998 <br /> <br />Mr. Dan Vaughan <br />Arden Towers, 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, MN <br />EEl JO: 2736 (Revision 6) <br /> <br />Dear Mr. Vaughan, <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 />. <br /> <br />Antenna loading was included per faxes from your office <br />dated 09/21/98 and 10/27/98. <br /> <br />Per fax from your office dated 10/12/98, we considered all <br />feedlines to be bundled and evenly distributed on each of <br />the (3) tower faces when completing our analysis. <br /> <br />Please note, the feedline for the proposed antenna is to be <br />bundled to existing feedline bundle as shown on attached <br />feedline drawing 27365A1. <br /> <br />Our analysis was completed per TIA/EIA-222-F, 80 mph wind <br />velocity and no ice per your instructions as outlined in fax <br />from your office dated 10/28/98 while supporting existing <br />and proposed loading as follows: <br /> <br />Existinq and Proposed Loadinq <br /> <br />ITEM <br /> <br />ELEVATION <br /> <br />REMARK <br /> <br />--------------------~--------------------------------------- <br /> <br />. <br /> <br />Beacon & Strobe <br />PD458 on 6' SA <br />PD1110 on 6' SA <br />Preamp <br />7' Stabilizer <br />PD1132 on 6' SA <br />PDll10 on 6' SA <br />7' Stabilizer <br />PD458 on 6' SA <br /> <br />700' <br />700' <br />700' <br />698' <br />680' <br />660' <br />655' <br />600' <br />570' <br /> <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br />Existing <br /> <br />TOWER DESIGN . FOUND~TION DESlGtv . STRUCTURAL ANALYSIS. INSPECTION <br />PR(lJECT JfANAGEMENT. SPECIFICATIONS. DETAIliNG. RE. CERTIFICATION <br />