However, that's not usually how it goes. WEAC would file for the election by turning over the Interest Survey cards to show that there is a desire. They are never shown to the employer. The WERC would then schedule an election date. The election is by secret ballot.
All eligible employees can vote.
The ballots are counted on the day of the election. At that point, bargaining the first contract could begin. If there are disagreements, they would need to be resolved first. The WERC would hold hearings which could take two or three months. Wisconsin law guarantees public employees the right to form and to join a labor organization with no interference from your employer.