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District Energy System

Music City Convention Center Service Lines Installed

4/30/2011

Open Trench Facing SouthThe Metro Nashville District Energy System (DES) will provide the heating and cooling for the new Music City Convention Center (MCCC). Steam and chilled water will be supplied to the DES mechanical room in the MCCC via a new pipeline extension that is currently under construction. The new service pipelines from the existing DES distribution system to the MCCC are nearing completion. The new pipelines extend from the intersection of Molloy and Almond Streets and consist of: a steam supply and condensate return for heating, and a chilled water supply and return for cooling. Thermal Engineering Group, Inc. (TEG), Metro’s consultant for engineering related to DES, is  providing design and technical oversight of this service installation. The Construction Management for the installation of the distribution system is being provided by Bell/Clark (BC), Construction Managers for the MCCC. The service pipeline installation project is being completed in two parts. The majority of the work is related to the pipeline extension which is now 95% complete. This work consists of the installation of the distribution system pipelines along Molloy St. to 4th Avenue, north along 4th Avenue to Demonbreun St., then west to the middle of the block between 5th and 6th Streets on Demonbreun where the new service enters the MCCC property and penetrates the building’s outer perimeter. This portion of the project was competitively bid and awarded to two contractors: Mountain States as the civil contractor responsible for opening the trench, furnishing and installing the chilled water lines, installing of all related concrete structures and providing site restoration; and John E. Green as the mechanical contractor responsible for furnishing and installing the welded steam and condensate piping systems. The remaining part of the service consists of the installation of the four pipes from the building’s outer perimeter into the MCCC mechanical room that has been designed to receive the new services. The in-building work is being performed by the contractors for the MCCC and is projected to be completed by the fall of 2011.