My first post, so point me in the right direction if needed. Adding island 6" hood vent thru the outside wall. Have a dropped ceiling with a floor above. Want to make sure prior to cutting thru a load bearing sill plate or header joist...there is also a previous 4" hole for the dryer vent. Is anything in the end of this bay loadbearing? Please see pic and let me know how screwed up I am...thanks in advance!
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