GSA National Nuclear Security Administration

Kansas City, MO


National Security Administration


JE Dunn Construction

Square Feet

1.2 million sf of manufacturing space | 400,000 sf of office space

This project was sanctioned for a new plant for the National Nuclear Security Administration, which produces the nonnuclear components of nuclear weapons. Included in the project scope was a renovation of the existed nuclear arsenal. The goal of the construction was to reduce the energy costs for the federal government. Overall, the building reached a LEED Gold certification and will ultimately save the government about $100 million per year in operational costs.


  • 9,000-ton central chilled water plant
  • 130 million Btu/h heating water plant
  • central air compressors with distribution piping
  • (200) air handling units
  • clean steam humidification systems
  • process water and industrial waste distribution
  • industrial waste treatment
  • process gas distribution including argon, helium, gaseous and liquid nitrogen, carbon dioxide, natural gas, reverse osmosis and deionized water systems
  • high purity gas filters and distribution piping
  • variable air supply and exhaust systems throughout including laboratories
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