| Energy Plant Expansion Johns Hopkins Hospital - Baltimore, MD This project consisted of planning and construction of a new 51,800 GSF Energy Plant contained within a new parking structure located on the southern portion of the hospital campus. The energy plant was designed for a final build-out of 21,000 tons of chilled water generation, 40 MVA of electric distribution, and 9.0 MW of electric on-site generation. The ultimate chilled water capacity of the plant is 21,000 tons (6 chillers @ 3,500 tons each). Working in conjunction with the existing central plant, this expansion increases total campus generating capacity to 56,000 tons of refrigeration. The south energy plant utilizes variable primary flow. The project included the redistribution of entire campus 15kV (100 MVA) service through the existing Baltimore City streets and passageways. The project also included a replacement of the existing hospital's 3.6MW, 480/277 volt emergency distribution substation with central emergency power. All back-feeding and service replacements were performed while maintaining building occupancy with minimal disturbance to hospital operations. The project also included a new addressable fire alarm system that connects to the existing central campus network. This system is capable of transmitting all trouble and alarm signals back to the existing central campus monitoring station.
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