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| Central Cooling Plant Replacement Clayton, Missouri |
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 The St. Louis County Government Center consists of a ten story Administration Building, six story Court House and other ancillary areas, for a total floor area of 550,000 s.f.
The Government Center was serviced by a central chilled water plant, consisting of two 740 ton centrifugal chillers and a 140 ton winter chiller. Since the chillers were 30 years old and utilized an ozone depleting type of refrigerant, it was decided to replace the large chillers with high efficiency machines utilizing a new refrigerant with low ozone depletion potential.
The new units have been upsized to 940 tons for future capacity. The 140 ton chiller was replaced with a plate and frame heat exchanger served by its own cooling tower, for winter free cooling.
Other system enhancements include the addition of a primary secondary pumping system and automatic control valves for the fourteen air handling units. |
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