I was on orientation for 6 weeks. I felt comfortable going by myself, and my manager even asked if I was ready. My coworkers would still be there and it's not like I wouldn't be allowed to ask questions because I was off orientation. That was how I was saw it. Thankfully my coworkers have been very supportive.
To be cross-trained for ICU, however, it was only *3 days.*
That was what our old director thought it should be (she is no longer there). Now that they are under new management, they extended that period. I have been to ICU several times so I am more comfortable being there than some of my other coworkers (some have never been up there or were never "cross trained"), but they also give us the easier patients or patients that don't really have many drips because they realize we don't work with them that much (things like neo, nipride, primacor, levophed, epi, etc).