 The elevator provides access to the basement levels for transportation of equipment into the orchestra pit area and the choir dressing rooms.The proscenium has a maximum opening of 81 by 40 feet (25 m × 12 m), but can be reduced to 34 by 16 feet (10 m × 5 m) with black velour masking.There is a 6-foot-deep (1.8 m) apron.