My previous comment was to check with all your admin on yards to find out the Project that they are involve in.
To do that it is not as simple as changing everyone in Yard 6 to J620. Initially Yard 2 was also changed to J620, and when I commented Yard 2 have not started for J620, the heading suddenly changed.
Please find attached report from Yard 6 which reports a total of 40 Manhours used for J620 on 16th April. And report provided by HR is 819 Manhours, 20 times more.
This report is misleading and if someone to use the report provided, Yard 6 will already use up all the manhours to finish this project by now.