Complex sentence: An Executive Director oversees the daily administration of the CAC; improvements to the heating, plumbing, mechanical infrastructure, and parking lot have been done: and the 600-seat theatre has seen extensive restoration to improve the quality of the theatre experience.
Split into simpler sentences: An Executive Director oversees the daily administration of the CAC; improvements to the heating, plumbing, mechanical infrastructure, and parking lot are complete. The 600-seat theatre has seen extensive restoration to improve the quality of the theatre experience.