Applies to cleaners , time keepers and watch guards as long as the total payroll for these employees exceeds all other payroll of the insured subject to construction or erection classifications at the same job or location, including payroll of uninsured sub contractors. Includes the cleaning of railroad freight cars that are not of the tank car variety. Refer to code 9014 for cleaning service contractors who provide clean up crews to wash windows and sweep and mop floors to prepare a location for its intended use and 7720 for watch guards for abandoned buildings. Punch - list, punch - out or service representatives are assigned the appropriate construction codes.