To dream construction crew at work - meaning that you will soon build a house.
To dream that you are part of a team, indicates the importance of working together. The dream may be a metaphor that you have your life together. If you are unhappy in the team, then it suggests that you are having issues in some area of your waking relationship. You may not be getting along with some work colleague or family member.
A positive dream that features a team is generally a lucky one. Any display of sportsmanship in a dream is a favorable omen and indicates advancement in your chosen endeavor through the help of influential friends. It is especially lucky to dream of being on a winning team.