Please correct the following sentences

[JRD]

Please do not switch on the A/C unit in Meeting room in the Basement floor as its drainage has blocked.
We contacted the maintenance people, but they can come for repairing only on Saturday or Sunday. Also, they need 2 full working days were required for completion of this job. Therefore, please do not switch on the above mentioned A/C unit until Sunday.

[omara]

Please, do not switch on the AC unit in the meeting room on the basement floor as its drainage has been blocked. We conctacted the mentenance people, but they said that they can only come to do repairs only on Saturday and Sunday. Also, they need two working days, which were required for the completion of this job. Therefore, please do not switch on the above mentioned AC unit until sunday.

[David L.]

Please do not switch on the A/C unit in Meeting room in the Basement floor as its drainage has blocked.
We contacted the maintenance people, but they can come for repairing only on Saturday or Sunday. Also, they need 2 full working days were required for completion of this job. Therefore, please do not switch on the above mentioned A/C unit until Sunday.


Please do not switch on the AC unit in the meeting room on the basement floor, as its drainage is blocked.
The maintenance people cannot come until the weekend, and require two days to complete repairs. Therefore, please do not switch on the above mentioned AC unit until after Sunday.

Keep it short - no unnecessary details.

[omara]

Thank you for ur help.