Job Description. Job Description. Job Site Location - Coralville, IA - Per Diem Pay & Sign On Bonus Offered. This job is in a mid to large commercial / new construction project. It is "clean work", engineered and designed per plans and specs. A standard new construction atmosphere with a job-site superintendent and our own project management team. A GREAT OPPORTUNITY TO ENJOY NEW HVAC CONSTRUCTION ACTIVITY. Physical Skills Required. Sheet metal d...