 Some major points of contention between the union and negotiators from the board are whether or not wage raises and hazard protections are sufficient. Union leaders also take issue with parts of the contract they say could increase bias against workers. And the board's move to bar striking workers from returning until an agreement is ratified. Menz says the session will not include time for the union to speak, but will give the board the chance to provide guidance to the negotiating staff and parks superintendent.