Dear Khun Phimphorn,
According to get inform from your about yearly clearing and maintenance air condition.
Administrator Department need to operate on Saturday. Purpose to avoid affect employee operation.
Therefore, We have not reason to object this matter.
We allow you to access in our sever room as your request. Please carefully and assign staff to check sub contractor during operate same as the other branch,
Incase you need any support or need IT to standby, please allow me know again.
I will inform my boss for getting approval to work on Saturday or Sunday.
Please accept my apologize that I reply you only e-mail although our seat is very nearly because Today I am working at Amata Branch.
You can see me on tomorrow Krub P'Bee.