HVAC renovations and modifications to Collins Hill High School, Walnut Grove Elementary School, Taylor Elementary School and Jackson Elementary School located in Gwinnett County, Georgia was completed at approximately $1,200,000. Waters Mechanical, Inc. was the General Contractor for HVAC modifications and renovations for five Gymnasiums. The scope of work was the removal of existing heat & ventilation units, exhaust fans, supply fans, associated duct work, controls, light fixtures, and partial electrical service in the Gymnasiums. New work also included the installation of roof mounted, gas fired, air conditioning units in the Gymnasiums with all associated electrical, control, roofing, piping, and general construction work.