I would imagine that it has to do with which crews can be scheduled when. If the project foremen remain flexible as to which tasks get completed before/after others, the whole project can be completed sooner. If, however, the backhaul just wait until after the installation and the installers can't make it out yet, then the whole project waits. It seems to me that keeping it flexible keeps it moving. This is a big project with many people overseeing many pieces. To think that every piece would go like all others when every instance has its own challenges, is likely asking a bit much. I say that if the backhaul care is available, by all means use them while you can - next week when the rrus are up, they might not be available anymore!
Just my thoughts and ramblings. ..
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