14 Hot Work Permit Guidelines H. Are there hot work requirements for contractors? Outside contractors working on the Iowa State University campus are required to have hot work safety procedures as a part of their project safety programs. Contractors working on capital projects at Iowa State University are required to follow the hot work guidelines outlined in project specifications. Do you have hot work related questions? If you have any questions regarding hot work or would like more information, call Environmental Health and Safety at (515) 294-5359.