Structures, Inc. was asked to provide detailed structural inspections and recommendations for repair of two existing cooling towers on the roof of the Administration Building of St. Louis County. Inspections included interiors of the towers, attachment of access ladders and siding, and conditions of supporting structure. Recommendations for the replacement of the existing units included seismic and vibration mitigation measures, including vibration damping isolators. Drawings and specifications were then prepared for bidding and construction purposes.