Can a employer make a unilateral change in the policy even though a CBA hasn't been established?

As a general rule (i.e. this was not an emergency), no. Consider speaking with the NLRB.

Can an employer be possible liable for constructive discharge tactics for having a worker do a duty they're required to do?

Possible. Not possible to give a good answer with much more info. Please consult an employment lawyer in your area to discuss your options. Good...

Do I need a lawyer if i was fired?

Based on what you said, it is difficult to know if you have a serious claim. You might have a gender discrimination claim...or not. Please...

Is it worth contacting an employment attorney?

I would suggest a consultation to review your agreement and to assess your options. Please call an employment lawyer in your area.

Employee relations Assistant Director told me he will disapprove any request I put in for a schedule change, what do I do?

Go above his head. Or file an internal grievance if there is such a process. I assume you have no union. If you have EAP speak with them for ideas....

Is submitting a letter of resignation equal to voluntary termination of employment?

Just be careful in your wording. Maybe just remind them your assignment ends Oct 30 and that the relationship will not continue after then. Why...

Refusal to accept punishment at work for an act not committed by me, and my immediate termination because of it.

Yes you can unless you have a union contract or individual contract unless there was discrimination such as maybe only black employees had to clean...

Can I sue my employer for not providing the required breaks the state law enforces after working 6 hours or 10 hours?

To answer your precise question: yes...but you will need to pay a large legal fee up front because no lawyer will take this on contingency or the...

Is a salaried employee eligible for time and a half when they work over 40 hours in a work week in NYC?

key is not salary vs hourly but "exempt" vs "non-exempt" if nonexempt, then 1.5 per hour OT is to be paid on your average hourly rate Look at the...

No. Section 501(c)(3) of the Internal Revenue Code provides for the recognition of tax exempt organizations (to whom contributions by donors are...