They're refurbishing the Yacht Club guest rooms, and construction noise could be an issue (saws, hammering and such). It's not nearly as extensive as what's going on at WL. Common areas at YC will not be affected (meaning you likely won't even see construction equipment or vehicles or workers).
I stayed at Beach Club last year while it was undergoing its own refurb and the construction noise was not intrusive; we heard some banging overhead for a little while one day and that was it. They had whole floors/wings blocked off at a time to minimize impact on guests.
Whether you hear anything at all will depend on how much you're in your room during the day, and how close you are to the block of rooms they're working on during your visit. YC is BIG, so you might simply request "room far from construction area" and never notice a thing.
I personally wouldn't hesitate to stay at YC in the middle of a refurb like this. However, I'm not coming for 2 weeks from overseas. If it sounds at all concerning, call your TA or whoever you booked with and request a switch to BC or Boardwalk.