CSiPlant offers a unique and powerful design request (DR) feature which can consider multiple different design parameters all in one run for side-by-side evaluation. Users could, for example, evaluate different tee/branch connection types for each different DR in the same run. To do this, users would first define 2 or more DRs (Design menu>Define Design requests), then select Tee/branch objects and Design menu>Assign Design properties>Tee object type to override tee type for that user specified DR. Each DR can have different design parameters, including different tee/branch typesand design parameters extend to friction factor scale multipliers, flange loading check, and spring hanger sizing options.
Options to define 1 DR using Appendix D SIFs and flexibility factors, with another DR using B31J SIFs and flexibility factors for comparison. DRs enable design parameters to be applied to selected areas of the model using groups. For example, users could design part of their piping system to B31.1, another part of the piping network designed to B31.3, and another part designed to B31.8 with options in each DR to apply elbow pressure stiffening to selected areas of the model.
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