- Replace all plastic seating within the outdoor theater with new weather resistant seating. - Provide additional ADA seating within the outdoor theater. The consultant also needs to improve the accessibility route between the parking lot and the outdoor theater to comply with the 2018 Illinois Accessibility Code. - Replace all wooden elements within the theater which are damaged or severely deteriorated. This includes the stage, stairways, projection booth, stage backdrops, and storage buildings. - Clean, stain and weather-proof all wooden members within the theater which are salvageable. - All new and refurbished wooden surfaces and materials shall be properly treated to minimize radiant and moisture damage. - Replace all low-level bollard lighting along the walkways with new bollard lighting. - Replace all performance lighting and audio systems for the outdoor theater. This includes wireless sound and lighting systems which are designed for outdoor uses. This also includes new live performance audio system and new instrument control panels for lighting and audio technicians. - Replace the existing railroad tie retaining wall behind the stage with a new concrete block retaining wall to hold back the sloped hillside behind the stage and prevent erosion and sediment problems under the stage.