sentence1: On April 11 , Mayor Bart Peterson said it was " inconceivable " that the airline would resume operations at the base that had employed 1,500 workers , including 1,100 mechanics .
sentence2: On April 11 , Mayor Bart Peterson conceded that the facility 's fate was inevitable , quashing the hopes of the airline 's 1,500 local workers , including 1,100 mechanics .