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Many of the buildings on Fort Myer, VA are over 50 years old and are serviced by systems and utilities that have been modified and upgraded over the years. The system distribution and central steam heating system is one such system that is now nearing the end its useful life. This study was undertaken to identify the most cost effective solution to provide heat to the Fort Myer's buildings in the future years, whether to: (1) maintain the existing system, (2) convert to a centralized system using hot water, or (3) convert to a decentralized system. An evaluation of the three alternatives showed that a hot water heating conversion will provide the lowest life cycle cost and allow the most fuel flexibility. Fort Myer also manages installation support for Henderson Hall, an adjacent Marine base. This study analyzed two heating options for Henderson Hall: (1) Connecting Henderson Hall buildings to the new hot water distribution system proposed to serve Fort Myer, or (2) using the existing steam heating plant in Building 28 to heat the five Henderson Hall buildings. A life cycle cost analysis shows that the expansion of the hot water system is the most cost effective choice. |
