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<br /> · '.. <br /> " <br />IV. CALCULATIONS TO CHECK EXISTING CONSTRUCTION <br /> Structural calculations shall include the following: <br /> A. Derivation of earthquake demand (seismic design) forces <br />and their distribution to resisting elements and connections. <br /> B. Capacities of existing resisting elements and <br />connections. Include materials testing results. <br /> C. Capacity/demand ratios (factors of safety) for existing <br />ele:nents and connections. <br />v. CONCLUSIONS AND RECOMMENDATIONS <br /> Describe areas found by analysis to be deficient in their <br />ability to withstand prescribed seismic forces. Discuss in general <br />terms the alternatives available for mitigation of these <br />inadequacies¡ and the engineer's recommendations for most suitable <br />solutions. <br />NOTE: Each engineering report shall bear the signature and <br />professional registrat:.ion number, including its expiration date, <br />of the responsible civil or structural engineer. " <br /> 22 <br /> 2004 <br />- .' - ..--..,',- <br />