Word Choice

The sentence is clear.

...and this has been confirmed with the tenant.

OR

Installation of the door is scheduled for Thursday and the tenant has confirmed the plan.

It's clear.

"The door is scheduled to be installed this coming Thursday, 9th August, 2018 at 2pm. We have notified the tenant and have confirmed that the tenant will provide access at this time. "

As a Property Manager myself, I tend to ensure the date and time is included so there is no misunderstanding as well as if the tenant will be present, or merely advised and I will attend, so again there is a clear record of what occured, or is occurring.

It's clear.

"The door is scheduled to be installed this coming Thursday, 9th August, 2018 at 2pm. We have notified the tenant and have confirmed that the tenant will provide access at this time. "

As a Property Manager myself, I tend to ensure the date and time is included so there is no misunderstanding as well as if the tenant will be present, or merely advised and I will attend, so again there is a clear record of what occured, or is occurring.