In tackling a nearly $9 million conversion of offices to apartments above the Society Room in downtown Hartford, one of the first priorities for the developers was to check out the upper floors when there was a wedding. “We actually didn’t have to soundproof,” Greg Konover, president of the Simon Konover Co., said. “These old buildings are built pretty well in terms of their floors and their walls.” The Society Apartments on Pratt Street were cleared by the city for occupancy just a week ago and a preleasing push has drawn nine applications — all now approved — with one...