From what I interpreted, there's no where in the code that makes a distinction of vibrating of cast-in-place concrete slab vs concrete on metal deck. I'm aware that you need to vibrate cast-in-place, but for conc. on metal decks, is the use of a vibrating screed sufficient or would you require them to have a vibrator head inserted into the concrete itself? I've been in situations where contractors would and wouldn't vibrate the concrete and I'm not sure entirely if it's required...
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