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amber sanpedro on 19 Jan 12Hospital Corporation of America Chillers, Pumps, and Boiler Replacement Project Wednesday, January 18 · Edit "http://ambersanpedro.livejournal.com/1011.html This project consisted of removing and replacing (2) existing 1100 ton chillers, removing (4) existing tower water pumps which were replaced with (2), and removing (3) existing chilled water pumps which were replaced with (2). A single new 400HP boiler was installed where one of the existing original boiler's was demolished by an owner paid subcontractor separate from this contract. There was also a generator that was removed in order to make room in the chiller room for the new equipment and piping. A large condensing unit servicing some operating rooms had to be relocated in order to allow access to the mechanical room for demolition and delivery of the new equipment and piping. Much of the existing chilled water and tower water piping was removed and replaced with throughout the chiller room and on the mezzanine above the chiller room. Steam, condensate and fuel oil piping servicing the old boiler was removed and re-configured to meet the needs of the new boiler. Access to the south mechanical room was very limited. All of the equipment and piping had to be hoisted into and out of an access shaft just large enough for the new equipment. Besides the limited space, the set-up area for the hoisting rig was right next to the Emergency Room/Helepad entrance. The coordination with our hoisting and rigging subcontractor, the hospital personnel and Stanger Industries years of experience with similar projects proved invaluable on this challenging aspect of the project. One of the stipulations of this project was to insure that all systems would remain on line during the installation of all of the new equipment. In order to accomplish this task, isolation valves were installed in key locations to allow us to isolate this south mechanical room from the rest of the system and utilize the north mechanical room's
