Alternate SUS/OCC - CAESAR II - Help

CAESAR II Users Guide

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CAESAR II
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CAESAR II Version
12

Indicates that the load case is an alternate sustained (SUS) or alternate occasional (OCC) load case. An alternate SUS/OCC load case is associated with the preceding operating (OPE) load case.

Due to changes in the B31.3 code for the 2014 edition, the primary stress in each position of the piping system must be evaluated. An alternate SUS/OCC load case uses the restraint status from the previous OPE load case to evaluate the stresses induced by primary loads.

When you create a load case that follows an OPE load case and select a Stress Type of SUS or OCC, the software displays the Alternate SUS/OCC check box, which you can select to indicate that the case is an alternate SUS or alternate OCC load case.

CAESAR II displays the number of the related OPE load case when you select Alternate SUS/OCC.

For more information, see Understanding Alternate Sustained (SUS) and Occasional (OCC) Load Cases.