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■ <br /> MORRISON HERSHFIELD <br /> Project#: 7170339 Date: 10/09/2017 <br /> Site: SEA Casino Road By: YW <br /> Consider thread penetration = 2-19/32" <br /> Allowable withdrawal = 571*2.59375= 1481 lbs <br /> Total allowable withdraw) =4x1481 = 5924 lbs <br /> From STAAD analysis, <br /> Max uplifting load = 1100 lbs< 5924 lbs OK <br /> Conclusion: <br /> The modified antenna supporting frames will be adequate to support the proposed antenna <br /> upgrade. <br /> 6 <br />