ENR Art Dept Heavy equipment operators, welders, carpenters, pipefitters and reinforcing ironworkers will be hardest to find, says survey. Related Links: Link to FMI Skilled Labor Recruiting Study Craft labor gaps ahead will slow growth for about one-third of large contractors and cause 25% to pass up bids, even as 65% plan to self-perform more work, says a survey of firms' human resources execs by consultant FMIThe study projects a need for 8,500 additional craft workers by 2017, and sees field manager gaps as well.FMI training expert Ken Wilson says while 40% of respondents have executive succession plans, only 14%