Many services of our Quality Assurance department are billed based on the number of man-days. A man day includes approximately 5 hours of productive work on site, but also accounts for transportation, lunch break, and the time to study the files before and to complete the draft report afterwards.
Learn more about what a man day is in this blog post
Extra expenses will only be incurred if, for instance, a lot of travelling is required - in these cases we are up front with you about these beforehand. We usually invoice only 50% of the man-day cost for a day spent travelling.