- Demolition of Boiler and Piping - Demolition of All Existing AHUs in Mechanical Rooms - Installation of New AHUs and RTUs on Roof - Duct work Modifications as Required - Electrical Modifications as Required - Fire Alarm Modifications - New Egress Lighting - Roofing - Gas Piping - Ceiling Work - Chilled Water Pumps - Chilled Water Piping Revisions and Insulation - Sprinkler System and Site Utility Work - Complete New Tridium Control System for Main Building - Structural Work for New AHUs - VFDs