Laserfiche WebLink
�� <br /> tnxTower° 60-ft Monopole - MFP#23514-E Page1 of 4 <br /> Michael F. Plahovinsak,P.E. Project Date <br /> 18301 State Route 161 W 281877, Silver Lake North 20:41:35 07/02/14 <br /> Plain City,OH43064 Client Designed by <br /> Phone:614-398-6250 TAPP (TP-12705) Mike <br /> FAX:mike@mfpeng.com <br /> Tower Input Data <br /> This tower is designed using the TIA-222-G standard. <br /> The following design criteria apply: <br /> Tower is located in Snohomish County,Washington. <br /> Basic wind speed of 85 mph. <br /> Structure Class II. <br /> Exposure Category B. <br /> Topographic Category 1. <br /> Crest Height 0.00 ft. <br /> Nominal ice thickness of 0.2500 in. <br /> Ice thickness is considered to increase with height. <br /> Ice density of 56 pc£ <br /> A wind speed of 30 mph is used in combination with ice. <br /> Temperature drop of 50°F. <br /> Deflections calculated using a wind speed of 60 mph. <br /> A non-linear(P-delta)analysis was used. <br /> Pressures are calculated at each section. <br /> Stress ratio used in pole design is 1. <br /> Local bending stresses due to climbing loads,feedline supports,and appurtenance mounts are not considered. <br /> Tapered Pole Section Geometry <br /> Section Elevation Section Splice Number Top Bolrum Wall Bend Pole Grade <br /> Length Length of Diameter Diameter Thickness Radius <br /> ft ft ft Sides in in in in <br /> LI 60.00-16.25 43.75 3.75 18 20.0000 27.2000 0.1875 0.7500 A572-65 <br /> (65 ksi) <br /> L2 16.25-0.00 20.00 18 26.2079 29.5000 0.2188 0.8750 A572-65 <br /> (65 ksi) <br /> Tapered Pole Properties <br /> Section Tip Dia. Area I r C I/C .1 111Q <br /> in int in° n in in' in° in' in <br /> Ll 20.3085 11.7909 584.7409 7.0334 10.1600 57.5532 1170.2512 5.8966 3.1900 17.013 <br /> 27.6196 16.0758 1481.9720 9.5894 13.8176 107.2525 2965.8939 8.0394 4.4572 23.772 <br /> L2 27.2390 18.0446 1539.8078 9.2261 13.3136 115.6568 3081.6417 9.0240 4.2276 19.326 <br /> 29.9551 20.3303 2202.2229 10.3948 14.9860 146.9520 4407.3435 10.1671 4.8070 21.975 <br /> Feed Line/Linear Appurtenances - Entered As Area <br /> Description Face Allow Component Placement Total C4A.4 Weight <br /> or Shield Type Number <br /> Leg ft Aft plf <br /> 15/8" C No Inside Pole 60.00-0.00 18 No Ice 0.00 0.92 <br /> 1/2"Ice 0.00 0.92 <br /> 15/8" C No Inside Pole 50.00-0.00 18 No Ice 0.00 0.92 <br /> 1/2"Ice 0.00 0.92 <br /> 1 5/8" C No Inside Pole 40.00-0.00 18 No Ice 0.00 0.92 <br /> 1/2"Ice 0.00 0.92 <br /> 1 5/8" C No Inside Pole 30.00-0.00 18 No Ice 0.00 0.92 <br /> 1/2"Ice 0.00 0.92 <br />