Originally Posted by Check Essential

If this situation gets too extreme then we will have grounds for a grievance.
There's a long history of case law defining what counts as "hours at work".
When you arrive at the premises you are at work.

We need sign-in computers in the bus sheds.
And a 90 minute report time.

Dealing with required TSA procedures should unquestionably be included as part of our duty period.
If you look at the history of labor contracts and the definition of "working conditions" and "hours worked"; this is a textbook example of work related duties that should be on the company's time and not the employee's.