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// CODE SNIPPET

4.3.2 Drift Check

California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 4 Procedures for Moment-Resisting Systems > 4.3 Concrete Moment Frames > 4.3.2 Drift Check
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The building satisfies the Quick Check of story drift.

For conforming buildings, the evaluator may consider this condition as mitigated, and no calculations are necessary. Check drift using the procedures in Section 2.4.7.1 against the prescribed limit. If the drift exceeds the limiting drift at any story level, the structure shall be evaluated with full-frame analysis using the anticipated distribution of lateral forces to the moment-resisting frames and including P-delta effects as found in Section 2.4.1. Check the other statements using the demand from this analysis.

Related Code Sections


4.2.1 Seismic Evaluation Procedures for Hospital Buildings, Drift Check
The building satisfies the Quick Check of the frame drift. For conforming buildings, the evaluator may consider this condition as mitigated ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 4 Procedures for Moment-Resisting Systems > 4.2 Steel Moment Frames > 4.2.1 Drift Check
4.2.1 Seismic Evaluation Procedures for Hospital Buildings, Drift Check
The building satisfies the Quick Check of the frame drift. For conforming buildings, the evaluator may consider this condition as mitigated ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 4 Procedures for Moment-Resisting Systems > 4.2 Steel Moment Frames > 4.2.1 Drift Check
2.4.3.11 Seismic Evaluation Procedures for Hospital Buildings, P -Delta Effects
frame stability. P -delta need not be considered if the drift satisfies the "Quick Check for Drift" given in Section 2.4.7 ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 2 Procedures for Structural Evaluation of Buildings > 2.4 Analysis of the Building > 2.4.3 Seismic Analysis of the Building > 2.4.3.11 P -Delta Effects
2.4.3.11 Seismic Evaluation Procedures for Hospital Buildings, P -Delta Effects
frame stability. P -delta need not be considered if the drift satisfies the "Quick Check for Drift" given in Section 2.4.7 ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 2 Procedures for Structural Evaluation of Buildings > 2.4 Analysis of the Building > 2.4.3 Seismic Analysis of the Building > 2.4.3.11 P -Delta Effects
3.3.6 Seismic Evaluation Procedures for Hospital Buildings, Torsion
maintain their load-carrying ability under the expected drifts. When checking columns, include P-delta effects and consider inelastic demand. Conforming ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 3 Procedures for Building Systems > 3.3 Configuration > 3.3.6 Torsion
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