No, in fact a separate SEO layer, often set to wire-frame is typical. You need to keep the operator in the file and not moved if the operator is not part of the visible model e.g a roof (operator) trimming walls(target).
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
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AC5-18
Onuma System
"Implementing Successful Building Information Modeling"