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19-21890
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19-21890
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Last modified
2/18/2021 10:49:06 AM
Creation date
2/17/2021 9:36:49 AM
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Building Department
Company Name
CROWN CASTLE GT COMPANY LLC
Building Department - Doc Type
Permit
Permit #
19-21890
Building Department - Name
CROWN CASTLE GT COMPANY LLC
Address
38522 A AVE
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February 08, 2019 , <br /> 287.667 Ft Self Support Tower Structural Analysis CC/BU No 816298 . <br /> Project Number 9800.816298,Phase 3,Application 477164, Revision 0 Page 13 <br /> Tower Input Data. . <br /> The main tower is a 4x free standing tower with an overall height of 287.67 ft above the ground line. <br /> The base of the tower is set at an elevation of 0.00 ft above the ground line. <br /> The face width of the tower is 10.00 ft at the top and 45.54 ft at the base. <br /> This tower is designed using the TIA-222-H standard. <br /> The following design criteria apply: <br /> 1) Tower is located in Pasco County, Florida. <br /> 2) Tower base elevation above sea level: 82.00 ft. <br /> 3) Basic wind speed of 138 mph. <br /> 4) Risk Category II. <br /> 5) Exposure Category C. <br /> 6) Simplified Topographic Factor Procedure for wind speed-up calculations is used. <br /> 7) Topographic Category: 1. <br /> 8) Crest Height 0.00 ft. <br /> 9) Deflections calculated using a wind speed of 60 mph. <br /> 10) TIA-222-H Annex S. <br /> 11) Pressures are calculated at each section. <br /> 12) Stress ratio used in tower member design is 1.05. <br /> 13) Local bending stresses due to climbing loads,feed line supports, and appurtenance mounts are <br /> not considered. <br /> Options <br /> Consider Moments-Legs Distribute Leg Loads As Uniform Use ASCE 10 X-Brace Ly Rules <br /> Consider Moments-Horizontals Assume Legs Pinned 4 Calculate Redundant Bracing Forces <br /> Consider Moments-Diagonals 4 Assume Rigid Index Plate Ignore Redundant Members in FEA <br /> Use Moment Magnification 4 Use Clear Spans For Wind Area SR Leg Bolts Resist Compression <br /> Use Code Stress Ratios 4 Use Clear Spans For KUr All Leg Panels Have Same Allowable <br /> Use Code Safety Factors-Guys Retension Guys To Initial Tension Offset Girt At Foundation <br /> Escalate Ice 4 Bypass Mast Stability Checks Consider Feed Line Torque <br /> Always Use Max Kz 4 Use Azimuth Dish Coefficients 4 Include Angle Block Shear Check <br /> Use Special Wind Profile 4 Project Wind Area of Appurt. Use TIA-222-H Bracing Resist. <br /> Exemption <br /> 4 Include Bolts In Member Capacity Autocalc Torque Arm Areas Use TIA-222-H Tension Splice <br /> Exemption _ <br /> Leg Bolts Are At Top Of Section Add IBC.6D+W Combination _ _ Poles j <br /> 4 Secondary Horizontal Braces Leg Sort Capacity Reports By Component Include Shear-Torsion Interaction <br /> 4 Use Diamond Inner Bracing(4 Sided) Triangulate Diamond Inner Bracing Always Use Sub-Critical Flow <br /> SR Members Have Cut Ends Treat Feed Line Bundles As Cylinder Use Top Mounted Sockets <br /> SR Members Are Concentric Ignore KL/ry For 60 Deg.Angle Legs Pole Without Linear Attachments <br /> Pole With Shroud Or No <br /> Appurtenances <br /> Outside and Inside Corner Radii Are <br /> Known <br /> tnxTower Report-version 8.0.4.0 <br />
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