Coldhearted Building

by Robert Kulash, P.E., (M.ASCE), Lead Struct. Engr.; Black and Veatch, Kansas City, MO,
Steven Mitts, Proj. Mgr.; Black and Veatch, Kansas City, MO,
Mark Shifter, Proj. Arch.; Black and Veatch, Kansas City, MO,

Serial Information: Civil Engineering—ASCE, 1998, Vol. 68, Issue 9, Pg. 62-64

Document Type: Feature article


A 20,000-ton district cooling plant owned by the Public Service Company of Colorado was recently built to sell chilled water to customers in downtown Denver who will use it to air-condition their buildings. The plant, built on a fast-track, 11-month schedule, is housed in a building designed to fit in with the architecture of surrounding downtown buildings, which will include pedestrian shops at street level. The lower portion of the building was designed in concrete to minimize corrosion. The second and third floors were designed in steel to carry live loads up to 250 pounds per square foot, minimize construction time and allow the flexibility to add future framing for such things as pipe hangers. The plant incorporates centrifugal chillers, screw compressors, 75,000 ton-hours of ice-on-coil thermal storage and evaporative condensers in an R-22 refrigeration system.

Subject Headings: Building design | Steel pipes | Steel construction | HVAC | Business districts | Thermal effects | Streets

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