(MT. VERNON, IL) — The Mt. Vernon Township High School Building Committee met Monday evening.  Discussion began regarding a proposal to demolish the A through F Buildings and Changnon Gym.  Superintendent Michael Smith had indicated that a discussion would be held with community members prior to making a final decision to include Changnon.  Several board members want a firm plan in place before any project is to begin.  Costs of the demolition were not discussed, but Terry Glynn of Glynn Demolition did address the committee and indicated that the price of asbestos removal will be double in the coming months.  MVTHS officials say the project would be put out to bid. In other business, a discussion of the bid specifications for the new proposed greenhouse and a discussion of the need for an athletic storage building and a new maintenance building were conducted.